annotate Modules/threadmodule.c @ 60171:1ff8dd67be82 legacy-trunk

#6647: document that catch_warnings is not thread-safe
author Andrew M. Kuchling <amk@amk.ca>
date Fri, 02 Apr 2010 17:48:23 +0000
parents 7f500641c06a
children fd25030223b0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
2 /* Thread module */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3 /* Interface to Sjoerd's portable C thread library */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
4
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
5 #include "Python.h"
55704
e21c4c527e66 Add weakref support to the thread.lock type.
Gregory P. Smith <greg@mad-scientist.com>
parents: 54321
diff changeset
6 #include "structmember.h" /* offsetof */
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
7
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
8 #ifndef WITH_THREAD
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
9 #error "Error! The rest of Python is not compiled with thread support."
25127
5165a0ee84c6 --with(out)-thread is deprecated according to configure --help
Neal Norwitz <nnorwitz@gmail.com>
parents: 24471
diff changeset
10 #error "Rerun configure, adding a --with-threads option."
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
11 #error "Then run `make clean' followed by `make'."
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
12 #endif
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
13
9203
07dae6fdae79 Renamed thread.h to pythread.h.
Guido van Rossum <guido@python.org>
parents: 8823
diff changeset
14 #include "pythread.h"
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
15
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
16 static PyObject *ThreadError;
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
17 static long nb_threads = 0;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
18
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
19 /* Lock objects */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
20
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
21 typedef struct {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
22 PyObject_HEAD
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
23 PyThread_type_lock lock_lock;
55704
e21c4c527e66 Add weakref support to the thread.lock type.
Gregory P. Smith <greg@mad-scientist.com>
parents: 54321
diff changeset
24 PyObject *in_weakreflist;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
25 } lockobject;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
26
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
27 static void
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
28 lock_dealloc(lockobject *self)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
29 {
55704
e21c4c527e66 Add weakref support to the thread.lock type.
Gregory P. Smith <greg@mad-scientist.com>
parents: 54321
diff changeset
30 if (self->in_weakreflist != NULL)
e21c4c527e66 Add weakref support to the thread.lock type.
Gregory P. Smith <greg@mad-scientist.com>
parents: 54321
diff changeset
31 PyObject_ClearWeakRefs((PyObject *) self);
59290
7eec6238e15a Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59086
diff changeset
32 if (self->lock_lock != NULL) {
7eec6238e15a Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59086
diff changeset
33 /* Unlock the lock so it's safe to free it */
7eec6238e15a Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59086
diff changeset
34 PyThread_acquire_lock(self->lock_lock, 0);
7eec6238e15a Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59086
diff changeset
35 PyThread_release_lock(self->lock_lock);
7eec6238e15a Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59086
diff changeset
36
7eec6238e15a Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59086
diff changeset
37 PyThread_free_lock(self->lock_lock);
7eec6238e15a Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59086
diff changeset
38 }
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 11882
diff changeset
39 PyObject_Del(self);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
40 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
41
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
42 static PyObject *
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
43 lock_PyThread_acquire_lock(lockobject *self, PyObject *args)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
44 {
22709
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
45 int i = 1;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
46
22709
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
47 if (!PyArg_ParseTuple(args, "|i:acquire", &i))
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
48 return NULL;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
49
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
50 Py_BEGIN_ALLOW_THREADS
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
51 i = PyThread_acquire_lock(self->lock_lock, i);
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
52 Py_END_ALLOW_THREADS
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
53
34998
25a0e1faa8a5 Delete some vestigial code; execution will never reach the 'if' statement if args is NULL
Andrew M. Kuchling <amk@amk.ca>
parents: 34619
diff changeset
54 return PyBool_FromLong((long)i);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
55 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
56
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
57 PyDoc_STRVAR(acquire_doc,
22865
7014921820a5 Lock methods acquire() and locked() now return bools.
Guido van Rossum <guido@python.org>
parents: 22709
diff changeset
58 "acquire([wait]) -> None or bool\n\
36926
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36895
diff changeset
59 (acquire_lock() is an obsolete synonym)\n\
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
60 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
61 Lock the lock. Without argument, this blocks if the lock is already\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
62 locked (even by the same thread), waiting for another thread to release\n\
22865
7014921820a5 Lock methods acquire() and locked() now return bools.
Guido van Rossum <guido@python.org>
parents: 22709
diff changeset
63 the lock, and return None once the lock is acquired.\n\
7014921820a5 Lock methods acquire() and locked() now return bools.
Guido van Rossum <guido@python.org>
parents: 22709
diff changeset
64 With an argument, this will only block if the argument is true,\n\
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
65 and the return value reflects whether the lock is acquired.\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
66 The blocking operation is not interruptible.");
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
67
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
68 static PyObject *
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
69 lock_PyThread_release_lock(lockobject *self)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
70 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
71 /* Sanity check: the lock must be locked */
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
72 if (PyThread_acquire_lock(self->lock_lock, 0)) {
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
73 PyThread_release_lock(self->lock_lock);
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
74 PyErr_SetString(ThreadError, "release unlocked lock");
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
75 return NULL;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
76 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
77
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
78 PyThread_release_lock(self->lock_lock);
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
79 Py_INCREF(Py_None);
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
80 return Py_None;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
81 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
82
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
83 PyDoc_STRVAR(release_doc,
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
84 "release()\n\
36926
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36895
diff changeset
85 (release_lock() is an obsolete synonym)\n\
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
86 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
87 Release the lock, allowing another thread that is blocked waiting for\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
88 the lock to acquire the lock. The lock must be in the locked state,\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
89 but it needn't be locked by the same thread that unlocks it.");
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
90
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
91 static PyObject *
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
92 lock_locked_lock(lockobject *self)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
93 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
94 if (PyThread_acquire_lock(self->lock_lock, 0)) {
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
95 PyThread_release_lock(self->lock_lock);
22865
7014921820a5 Lock methods acquire() and locked() now return bools.
Guido van Rossum <guido@python.org>
parents: 22709
diff changeset
96 return PyBool_FromLong(0L);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
97 }
22865
7014921820a5 Lock methods acquire() and locked() now return bools.
Guido van Rossum <guido@python.org>
parents: 22709
diff changeset
98 return PyBool_FromLong(1L);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
99 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
100
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
101 PyDoc_STRVAR(locked_doc,
22865
7014921820a5 Lock methods acquire() and locked() now return bools.
Guido van Rossum <guido@python.org>
parents: 22709
diff changeset
102 "locked() -> bool\n\
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
103 (locked_lock() is an obsolete synonym)\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
104 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
105 Return whether the lock is in the locked state.");
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
106
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
107 static PyMethodDef lock_methods[] = {
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
108 {"acquire_lock", (PyCFunction)lock_PyThread_acquire_lock,
22709
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
109 METH_VARARGS, acquire_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
110 {"acquire", (PyCFunction)lock_PyThread_acquire_lock,
22709
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
111 METH_VARARGS, acquire_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
112 {"release_lock", (PyCFunction)lock_PyThread_release_lock,
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
113 METH_NOARGS, release_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
114 {"release", (PyCFunction)lock_PyThread_release_lock,
22562
303b6ad13a32 Missed change METH_OLDARGS to METH_NOARGS for two aliased functions
Neal Norwitz <nnorwitz@gmail.com>
parents: 22561
diff changeset
115 METH_NOARGS, release_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
116 {"locked_lock", (PyCFunction)lock_locked_lock,
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
117 METH_NOARGS, locked_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
118 {"locked", (PyCFunction)lock_locked_lock,
22562
303b6ad13a32 Missed change METH_OLDARGS to METH_NOARGS for two aliased functions
Neal Norwitz <nnorwitz@gmail.com>
parents: 22561
diff changeset
119 METH_NOARGS, locked_doc},
36737
fa92fe15251a Updates to the with-statement:
Guido van Rossum <guido@python.org>
parents: 36324
diff changeset
120 {"__enter__", (PyCFunction)lock_PyThread_acquire_lock,
fa92fe15251a Updates to the with-statement:
Guido van Rossum <guido@python.org>
parents: 36324
diff changeset
121 METH_VARARGS, acquire_doc},
36926
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36895
diff changeset
122 {"__exit__", (PyCFunction)lock_PyThread_release_lock,
fc10ff322df1 Um, I thought I'd already checked this in.
Guido van Rossum <guido@python.org>
parents: 36895
diff changeset
123 METH_VARARGS, release_doc},
54321
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
124 {NULL} /* sentinel */
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
125 };
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
126
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
127 static PyTypeObject Locktype = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 40224
diff changeset
128 PyVarObject_HEAD_INIT(&PyType_Type, 0)
21313
91dd223829c6 Patch supplied by Burton Radons for his own SF bug #487390: Modifying
Guido van Rossum <guido@python.org>
parents: 20468
diff changeset
129 "thread.lock", /*tp_name*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
130 sizeof(lockobject), /*tp_size*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
131 0, /*tp_itemsize*/
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
132 /* methods */
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
133 (destructor)lock_dealloc, /*tp_dealloc*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
134 0, /*tp_print*/
54321
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
135 0, /*tp_getattr*/
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
136 0, /*tp_setattr*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
137 0, /*tp_compare*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
138 0, /*tp_repr*/
54321
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
139 0, /* tp_as_number */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
140 0, /* tp_as_sequence */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
141 0, /* tp_as_mapping */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
142 0, /* tp_hash */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
143 0, /* tp_call */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
144 0, /* tp_str */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
145 0, /* tp_getattro */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
146 0, /* tp_setattro */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
147 0, /* tp_as_buffer */
55704
e21c4c527e66 Add weakref support to the thread.lock type.
Gregory P. Smith <greg@mad-scientist.com>
parents: 54321
diff changeset
148 Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
54321
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
149 0, /* tp_doc */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
150 0, /* tp_traverse */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
151 0, /* tp_clear */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
152 0, /* tp_richcompare */
55704
e21c4c527e66 Add weakref support to the thread.lock type.
Gregory P. Smith <greg@mad-scientist.com>
parents: 54321
diff changeset
153 offsetof(lockobject, in_weakreflist), /* tp_weaklistoffset */
54321
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
154 0, /* tp_iter */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
155 0, /* tp_iternext */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
156 lock_methods, /* tp_methods */
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
157 };
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
158
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
159 static lockobject *
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
160 newlockobject(void)
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
161 {
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
162 lockobject *self;
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
163 self = PyObject_New(lockobject, &Locktype);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
164 if (self == NULL)
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
165 return NULL;
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
166 self->lock_lock = PyThread_allocate_lock();
55704
e21c4c527e66 Add weakref support to the thread.lock type.
Gregory P. Smith <greg@mad-scientist.com>
parents: 54321
diff changeset
167 self->in_weakreflist = NULL;
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
168 if (self->lock_lock == NULL) {
59290
7eec6238e15a Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59086
diff changeset
169 Py_DECREF(self);
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
170 PyErr_SetString(ThreadError, "can't allocate lock");
59290
7eec6238e15a Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59086
diff changeset
171 return NULL;
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
172 }
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
173 return self;
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
174 }
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
175
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
176 /* Thread-local objects */
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
177
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
178 #include "structmember.h"
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
179
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
180 typedef struct {
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
181 PyObject_HEAD
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
182 PyObject *key;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
183 PyObject *args;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
184 PyObject *kw;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
185 PyObject *dict;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
186 } localobject;
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
187
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
188 static PyObject *
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
189 local_new(PyTypeObject *type, PyObject *args, PyObject *kw)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
190 {
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
191 localobject *self;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
192 PyObject *tdict;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
193
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
194 if (type->tp_init == PyBaseObject_Type.tp_init
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
195 && ((args && PyObject_IsTrue(args))
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
196 || (kw && PyObject_IsTrue(kw)))) {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
197 PyErr_SetString(PyExc_TypeError,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
198 "Initialization arguments are not supported");
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
199 return NULL;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
200 }
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
201
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
202 self = (localobject *)type->tp_alloc(type, 0);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
203 if (self == NULL)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
204 return NULL;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
205
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
206 Py_XINCREF(args);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
207 self->args = args;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
208 Py_XINCREF(kw);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
209 self->kw = kw;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
210 self->dict = NULL; /* making sure */
47527
52294af4b663 This reverts r63675 based on the discussion in this thread:
Gregory P. Smith <greg@mad-scientist.com>
parents: 47294
diff changeset
211 self->key = PyString_FromFormat("thread.local.%p", self);
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
212 if (self->key == NULL)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
213 goto err;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
214
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
215 self->dict = PyDict_New();
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
216 if (self->dict == NULL)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
217 goto err;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
218
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
219 tdict = PyThreadState_GetDict();
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
220 if (tdict == NULL) {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
221 PyErr_SetString(PyExc_SystemError,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
222 "Couldn't get thread-state dictionary");
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
223 goto err;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
224 }
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
225
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
226 if (PyDict_SetItem(tdict, self->key, self->dict) < 0)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
227 goto err;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
228
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
229 return (PyObject *)self;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
230
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
231 err:
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
232 Py_DECREF(self);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
233 return NULL;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
234 }
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
235
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
236 static int
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
237 local_traverse(localobject *self, visitproc visit, void *arg)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
238 {
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
239 Py_VISIT(self->args);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
240 Py_VISIT(self->kw);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
241 Py_VISIT(self->dict);
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
242 return 0;
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
243 }
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
244
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
245 static int
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
246 local_clear(localobject *self)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
247 {
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
248 Py_CLEAR(self->args);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
249 Py_CLEAR(self->kw);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
250 Py_CLEAR(self->dict);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
251 return 0;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
252 }
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
253
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
254 static void
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
255 local_dealloc(localobject *self)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
256 {
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
257 PyThreadState *tstate;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
258 if (self->key
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
259 && (tstate = PyThreadState_Get())
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
260 && tstate->interp) {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
261 for(tstate = PyInterpreterState_ThreadHead(tstate->interp);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
262 tstate;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
263 tstate = PyThreadState_Next(tstate))
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
264 if (tstate->dict &&
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
265 PyDict_GetItem(tstate->dict, self->key))
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
266 PyDict_DelItem(tstate->dict, self->key);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
267 }
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
268
56274
eebf3d51d3a4 #6990: clear threading.local's key only after its thread state is removed:
Philip Jenvey <pjenvey@underboss.org>
parents: 55704
diff changeset
269 Py_XDECREF(self->key);
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
270 local_clear(self);
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 42333
diff changeset
271 Py_TYPE(self)->tp_free((PyObject*)self);
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
272 }
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
273
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
274 static PyObject *
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
275 _ldict(localobject *self)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
276 {
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
277 PyObject *tdict, *ldict;
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
278
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
279 tdict = PyThreadState_GetDict();
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
280 if (tdict == NULL) {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
281 PyErr_SetString(PyExc_SystemError,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
282 "Couldn't get thread-state dictionary");
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
283 return NULL;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
284 }
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
285
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
286 ldict = PyDict_GetItem(tdict, self->key);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
287 if (ldict == NULL) {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
288 ldict = PyDict_New(); /* we own ldict */
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
289
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
290 if (ldict == NULL)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
291 return NULL;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
292 else {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
293 int i = PyDict_SetItem(tdict, self->key, ldict);
36895
Georg Brandl <georg@python.org>
parents: 36737
diff changeset
294 Py_DECREF(ldict); /* now ldict is borrowed */
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
295 if (i < 0)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
296 return NULL;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
297 }
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
298
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
299 Py_CLEAR(self->dict);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
300 Py_INCREF(ldict);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
301 self->dict = ldict; /* still borrowed */
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
302
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 42333
diff changeset
303 if (Py_TYPE(self)->tp_init != PyBaseObject_Type.tp_init &&
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 42333
diff changeset
304 Py_TYPE(self)->tp_init((PyObject*)self,
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
305 self->args, self->kw) < 0) {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
306 /* we need to get rid of ldict from thread so
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
307 we create a new one the next time we do an attr
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
308 acces */
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
309 PyDict_DelItem(tdict, self->key);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
310 return NULL;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
311 }
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
312
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
313 }
47859
8ccb35739a96 #Issue3088 in-progress: Race condition with instances of classes derived from threading.local:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47527
diff changeset
314
8ccb35739a96 #Issue3088 in-progress: Race condition with instances of classes derived from threading.local:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47527
diff changeset
315 /* The call to tp_init above may have caused another thread to run.
8ccb35739a96 #Issue3088 in-progress: Race condition with instances of classes derived from threading.local:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47527
diff changeset
316 Install our ldict again. */
8ccb35739a96 #Issue3088 in-progress: Race condition with instances of classes derived from threading.local:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47527
diff changeset
317 if (self->dict != ldict) {
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
318 Py_CLEAR(self->dict);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
319 Py_INCREF(ldict);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
320 self->dict = ldict;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
321 }
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
322
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
323 return ldict;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
324 }
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
325
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
326 static int
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
327 local_setattro(localobject *self, PyObject *name, PyObject *v)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
328 {
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
329 PyObject *ldict;
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
330
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
331 ldict = _ldict(self);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
332 if (ldict == NULL)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
333 return -1;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
334
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
335 return PyObject_GenericSetAttr((PyObject *)self, name, v);
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
336 }
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
337
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
338 static PyObject *
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
339 local_getdict(localobject *self, void *closure)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
340 {
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
341 if (self->dict == NULL) {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
342 PyErr_SetString(PyExc_AttributeError, "__dict__");
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
343 return NULL;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
344 }
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
345
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
346 Py_INCREF(self->dict);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
347 return self->dict;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
348 }
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
349
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
350 static PyGetSetDef local_getset[] = {
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
351 {"__dict__", (getter)local_getdict, (setter)NULL,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
352 "Local-data dictionary", NULL},
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
353 {NULL} /* Sentinel */
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
354 };
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
355
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
356 static PyObject *local_getattro(localobject *, PyObject *);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
357
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
358 static PyTypeObject localtype = {
42333
6620a510e9a9 PEP 3123: Provide forward compatibility with Python 3.0, while keeping
Martin v. Löwis <martin@v.loewis.de>
parents: 40224
diff changeset
359 PyVarObject_HEAD_INIT(NULL, 0)
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
360 /* tp_name */ "thread._local",
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
361 /* tp_basicsize */ sizeof(localobject),
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
362 /* tp_itemsize */ 0,
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
363 /* tp_dealloc */ (destructor)local_dealloc,
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
364 /* tp_print */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
365 /* tp_getattr */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
366 /* tp_setattr */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
367 /* tp_compare */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
368 /* tp_repr */ 0,
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
369 /* tp_as_number */ 0,
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
370 /* tp_as_sequence */ 0,
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
371 /* tp_as_mapping */ 0,
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
372 /* tp_hash */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
373 /* tp_call */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
374 /* tp_str */ 0,
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
375 /* tp_getattro */ (getattrofunc)local_getattro,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
376 /* tp_setattro */ (setattrofunc)local_setattro,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
377 /* tp_as_buffer */ 0,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
378 /* tp_flags */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
379 /* tp_doc */ "Thread-local data",
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
380 /* tp_traverse */ (traverseproc)local_traverse,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
381 /* tp_clear */ (inquiry)local_clear,
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
382 /* tp_richcompare */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
383 /* tp_weaklistoffset */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
384 /* tp_iter */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
385 /* tp_iternext */ 0,
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
386 /* tp_methods */ 0,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
387 /* tp_members */ 0,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
388 /* tp_getset */ local_getset,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
389 /* tp_base */ 0,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
390 /* tp_dict */ 0, /* internal use */
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
391 /* tp_descr_get */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
392 /* tp_descr_set */ 0,
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
393 /* tp_dictoffset */ offsetof(localobject, dict),
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
394 /* tp_init */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
395 /* tp_alloc */ 0,
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
396 /* tp_new */ local_new,
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
397 /* tp_free */ 0, /* Low-level free-mem routine */
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 36926
diff changeset
398 /* tp_is_gc */ 0, /* For PyObject_IS_GC */
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
399 };
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
400
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
401 static PyObject *
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
402 local_getattro(localobject *self, PyObject *name)
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
403 {
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
404 PyObject *ldict, *value;
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
405
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
406 ldict = _ldict(self);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
407 if (ldict == NULL)
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
408 return NULL;
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
409
44350
26384b8180c7 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT. Macros for b/w compatibility are available.
Christian Heimes <christian@cheimes.de>
parents: 42333
diff changeset
410 if (Py_TYPE(self) != &localtype)
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
411 /* use generic lookup for subtypes */
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
412 return PyObject_GenericGetAttr((PyObject *)self, name);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
413
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
414 /* Optimization: just look in dict ourselves */
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
415 value = PyDict_GetItem(ldict, name);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
416 if (value == NULL)
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
417 /* Fall back on generic to get __class__ and __dict__ */
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
418 return PyObject_GenericGetAttr((PyObject *)self, name);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
419
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
420 Py_INCREF(value);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
421 return value;
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
422 }
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
423
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
424 /* Module functions */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
425
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
426 struct bootstate {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
427 PyInterpreterState *interp;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
428 PyObject *func;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
429 PyObject *args;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
430 PyObject *keyw;
59315
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
431 PyThreadState *tstate;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
432 };
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
433
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
434 static void
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
435 t_bootstrap(void *boot_raw)
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
436 {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
437 struct bootstate *boot = (struct bootstate *) boot_raw;
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
438 PyThreadState *tstate;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
439 PyObject *res;
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
440
59315
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
441 tstate = boot->tstate;
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
442 tstate->thread_id = PyThread_get_thread_ident();
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
443 _PyThreadState_Init(tstate);
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
444 PyEval_AcquireThread(tstate);
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
445 nb_threads++;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
446 res = PyEval_CallObjectWithKeywords(
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
447 boot->func, boot->args, boot->keyw);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
448 if (res == NULL) {
8433
7cdff8aa8318 t_bootstrap(): Use PyErr_ExceptionMatches(...) instead of PyErr_Occurred(...).
Fred Drake <fdrake@acm.org>
parents: 7211
diff changeset
449 if (PyErr_ExceptionMatches(PyExc_SystemExit))
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
450 PyErr_Clear();
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
451 else {
28889
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
452 PyObject *file;
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
453 PySys_WriteStderr(
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
454 "Unhandled exception in thread started by ");
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
455 file = PySys_GetObject("stderr");
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
456 if (file)
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
457 PyFile_WriteObject(boot->func, file, 0);
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
458 else
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
459 PyObject_Print(boot->func, stderr, 0);
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
460 PySys_WriteStderr("\n");
7211
c764217ae6eb Don't store the exception info from an unhandled exception in a thread
Guido van Rossum <guido@python.org>
parents: 6367
diff changeset
461 PyErr_PrintEx(0);
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
462 }
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
463 }
2055
cf31eab6ab5a Another bulky set of minor changes.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
464 else
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
465 Py_DECREF(res);
28889
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
466 Py_DECREF(boot->func);
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
467 Py_DECREF(boot->args);
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
468 Py_XDECREF(boot->keyw);
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
469 PyMem_DEL(boot_raw);
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
470 nb_threads--;
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
471 PyThreadState_Clear(tstate);
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
472 PyThreadState_DeleteCurrent();
8823
f2a4a2b60860 Changes for BeOS, QNX and long long, by Chris Herborth.
Guido van Rossum <guido@python.org>
parents: 8567
diff changeset
473 PyThread_exit_thread();
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
474 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
475
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
476 static PyObject *
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
477 thread_PyThread_start_new_thread(PyObject *self, PyObject *fargs)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
478 {
14363
5da406ebef55 The second argument to start_new_thread() is not a tuple, as pointed
Guido van Rossum <guido@python.org>
parents: 13820
diff changeset
479 PyObject *func, *args, *keyw = NULL;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
480 struct bootstate *boot;
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
481 long ident;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
482
38489
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible.
Georg Brandl <georg@python.org>
parents: 38084
diff changeset
483 if (!PyArg_UnpackTuple(fargs, "start_new_thread", 2, 3,
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible.
Georg Brandl <georg@python.org>
parents: 38084
diff changeset
484 &func, &args, &keyw))
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
485 return NULL;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
486 if (!PyCallable_Check(func)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
487 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
488 "first arg must be callable");
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
489 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
490 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
491 if (!PyTuple_Check(args)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
492 PyErr_SetString(PyExc_TypeError,
14363
5da406ebef55 The second argument to start_new_thread() is not a tuple, as pointed
Guido van Rossum <guido@python.org>
parents: 13820
diff changeset
493 "2nd arg must be a tuple");
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
494 return NULL;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
495 }
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
496 if (keyw != NULL && !PyDict_Check(keyw)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
497 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
498 "optional 3rd arg must be a dictionary");
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
499 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
500 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
501 boot = PyMem_NEW(struct bootstate, 1);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
502 if (boot == NULL)
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
503 return PyErr_NoMemory();
31797
846b3ee7e106 Changed random calls to PyThreadState_Get() to use the macro
Nicholas Bastin <nick.bastin@gmail.com>
parents: 29498
diff changeset
504 boot->interp = PyThreadState_GET()->interp;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
505 boot->func = func;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
506 boot->args = args;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
507 boot->keyw = keyw;
59315
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
508 boot->tstate = _PyThreadState_Prealloc(boot->interp);
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
509 if (boot->tstate == NULL) {
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
510 PyMem_DEL(boot);
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
511 return PyErr_NoMemory();
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
512 }
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
513 Py_INCREF(func);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
514 Py_INCREF(args);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
515 Py_XINCREF(keyw);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
516 PyEval_InitThreads(); /* Start the interpreter's thread-awareness */
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
517 ident = PyThread_start_new_thread(t_bootstrap, (void*) boot);
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
518 if (ident == -1) {
34619
0dd146fed9dd The error message "can't start new thread" should not end in a
Guido van Rossum <guido@python.org>
parents: 33254
diff changeset
519 PyErr_SetString(ThreadError, "can't start new thread");
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
520 Py_DECREF(func);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
521 Py_DECREF(args);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
522 Py_XDECREF(keyw);
59315
7f500641c06a Issue #7544: Preallocate thread memory before creating the thread to avoid a
Victor Stinner <victor.stinner@haypocalc.com>
parents: 59290
diff changeset
523 PyThreadState_Clear(boot->tstate);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
524 PyMem_DEL(boot);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
525 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
526 }
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
527 return PyInt_FromLong(ident);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
528 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
529
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
530 PyDoc_STRVAR(start_new_doc,
20266
241ef8a923c7 Fix typo in docstring
Andrew M. Kuchling <amk@amk.ca>
parents: 16140
diff changeset
531 "start_new_thread(function, args[, kwargs])\n\
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
532 (start_new() is an obsolete synonym)\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
533 \n\
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
534 Start a new thread and return its identifier. The thread will call the\n\
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
535 function with positional arguments from the tuple args and keyword arguments\n\
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
536 taken from the optional dictionary kwargs. The thread exits when the\n\
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
537 function returns; the return value is ignored. The thread will also exit\n\
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
538 when the function raises an unhandled exception; a stack trace will be\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
539 printed unless the exception is SystemExit.\n");
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
540
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
541 static PyObject *
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
542 thread_PyThread_exit_thread(PyObject *self)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
543 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
544 PyErr_SetNone(PyExc_SystemExit);
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
545 return NULL;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
546 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
547
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
548 PyDoc_STRVAR(exit_doc,
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
549 "exit()\n\
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
550 (PyThread_exit_thread() is an obsolete synonym)\n\
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
551 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
552 This is synonymous to ``raise SystemExit''. It will cause the current\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
553 thread to exit silently unless the exception is caught.");
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
554
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
555 static PyObject *
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
556 thread_PyThread_interrupt_main(PyObject * self)
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
557 {
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
558 PyErr_SetInterrupt();
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
559 Py_INCREF(Py_None);
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
560 return Py_None;
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
561 }
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
562
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
563 PyDoc_STRVAR(interrupt_doc,
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
564 "interrupt_main()\n\
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
565 \n\
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
566 Raise a KeyboardInterrupt in the main thread.\n\
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
567 A subthread can use this function to interrupt the main thread."
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
568 );
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
569
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
570 static lockobject *newlockobject(void);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
571
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
572 static PyObject *
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
573 thread_PyThread_allocate_lock(PyObject *self)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
574 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
575 return (PyObject *) newlockobject();
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
576 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
577
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
578 PyDoc_STRVAR(allocate_doc,
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
579 "allocate_lock() -> lock object\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
580 (allocate() is an obsolete synonym)\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
581 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
582 Create a new lock object. See LockType.__doc__ for information about locks.");
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
583
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
584 static PyObject *
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
585 thread_get_ident(PyObject *self)
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
586 {
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
587 long ident;
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
588 ident = PyThread_get_thread_ident();
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
589 if (ident == -1) {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
590 PyErr_SetString(ThreadError, "no current thread ident");
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
591 return NULL;
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
592 }
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
593 return PyInt_FromLong(ident);
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
594 }
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
595
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
596 PyDoc_STRVAR(get_ident_doc,
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
597 "get_ident() -> integer\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
598 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
599 Return a non-zero integer that uniquely identifies the current thread\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
600 amongst other threads that exist simultaneously.\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
601 This may be used to identify per-thread resources.\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
602 Even though on some platforms threads identities may appear to be\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
603 allocated consecutive numbers starting at 1, this behavior should not\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
604 be relied upon, and the number should be seen purely as a magic cookie.\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
605 A thread's identity may be reused for another thread after it exits.");
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
606
38794
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
607 static PyObject *
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
608 thread__count(PyObject *self)
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
609 {
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
610 return PyInt_FromLong(nb_threads);
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
611 }
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
612
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
613 PyDoc_STRVAR(_count_doc,
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
614 "_count() -> integer\n\
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
615 \n\
56991
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
616 \
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
617 Return the number of currently running Python threads, excluding \n\
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
618 the main thread. The returned number comprises all threads created\n\
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
619 through `start_new_thread()` as well as `threading.Thread`, and not\n\
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
620 yet finished.\n\
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
621 \n\
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
622 This function is meant for internal and specialized purposes only.\n\
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
623 In most applications `threading.enumerate()` should be used instead.");
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
624
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
625 static PyObject *
38794
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
626 thread_stack_size(PyObject *self, PyObject *args)
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
627 {
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
628 size_t old_size;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
629 Py_ssize_t new_size = 0;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
630 int rc;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
631
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
632 if (!PyArg_ParseTuple(args, "|n:stack_size", &new_size))
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
633 return NULL;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
634
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
635 if (new_size < 0) {
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
636 PyErr_SetString(PyExc_ValueError,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
637 "size must be 0 or a positive value");
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
638 return NULL;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
639 }
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
640
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
641 old_size = PyThread_get_stacksize();
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
642
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
643 rc = PyThread_set_stacksize((size_t) new_size);
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
644 if (rc == -1) {
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
645 PyErr_Format(PyExc_ValueError,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
646 "size not valid: %zd bytes",
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
647 new_size);
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
648 return NULL;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
649 }
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
650 if (rc == -2) {
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
651 PyErr_SetString(ThreadError,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
652 "setting stack size not supported");
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
653 return NULL;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
654 }
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
655
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
656 return PyInt_FromSsize_t((Py_ssize_t) old_size);
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
657 }
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
658
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
659 PyDoc_STRVAR(stack_size_doc,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
660 "stack_size([size]) -> size\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
661 \n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
662 Return the thread stack size used when creating new threads. The\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
663 optional size argument specifies the stack size (in bytes) to be used\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
664 for subsequently created threads, and must be 0 (use platform or\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
665 configured default) or a positive integer value of at least 32,768 (32k).\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
666 If changing the thread stack size is unsupported, a ThreadError\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
667 exception is raised. If the specified size is invalid, a ValueError\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
668 exception is raised, and the stack size is unmodified. 32k bytes\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
669 currently the minimum supported stack size value to guarantee\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
670 sufficient stack space for the interpreter itself.\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
671 \n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
672 Note that some platforms may have particular restrictions on values for\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
673 the stack size, such as requiring a minimum stack size larger than 32kB or\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
674 requiring allocation in multiples of the system memory page size\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
675 - platform documentation should be referred to for more information\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
676 (4kB pages are common; using multiples of 4096 for the stack size is\n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
677 the suggested approach in the absence of more specific information).");
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
678
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
679 static PyMethodDef thread_methods[] = {
13817
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13651
diff changeset
680 {"start_new_thread", (PyCFunction)thread_PyThread_start_new_thread,
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13651
diff changeset
681 METH_VARARGS,
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
682 start_new_doc},
13817
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13651
diff changeset
683 {"start_new", (PyCFunction)thread_PyThread_start_new_thread,
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13651
diff changeset
684 METH_VARARGS,
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
685 start_new_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
686 {"allocate_lock", (PyCFunction)thread_PyThread_allocate_lock,
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
687 METH_NOARGS, allocate_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
688 {"allocate", (PyCFunction)thread_PyThread_allocate_lock,
22584
bcd1fdf13acf Missed change METH_OLDARGS to METH_NOARGS for two aliased functions
Neal Norwitz <nnorwitz@gmail.com>
parents: 22562
diff changeset
689 METH_NOARGS, allocate_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
690 {"exit_thread", (PyCFunction)thread_PyThread_exit_thread,
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
691 METH_NOARGS, exit_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
692 {"exit", (PyCFunction)thread_PyThread_exit_thread,
22584
bcd1fdf13acf Missed change METH_OLDARGS to METH_NOARGS for two aliased functions
Neal Norwitz <nnorwitz@gmail.com>
parents: 22562
diff changeset
693 METH_NOARGS, exit_doc},
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
694 {"interrupt_main", (PyCFunction)thread_PyThread_interrupt_main,
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
695 METH_NOARGS, interrupt_doc},
13820
8bd82cf361aa Use METH_OLDARGS instead of numeric constant 0 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13817
diff changeset
696 {"get_ident", (PyCFunction)thread_get_ident,
22561
043ad7adc896 Remove many uses of PyArg_NoArgs macro, change METH_OLDARGS to METH_NOARGS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 21313
diff changeset
697 METH_NOARGS, get_ident_doc},
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
698 {"_count", (PyCFunction)thread__count,
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
699 METH_NOARGS, _count_doc},
38794
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
700 {"stack_size", (PyCFunction)thread_stack_size,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
701 METH_VARARGS,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
702 stack_size_doc},
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
703 {NULL, NULL} /* sentinel */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
704 };
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
705
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
706
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
707 /* Initialization function */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
708
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
709 PyDoc_STRVAR(thread_doc,
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
710 "This module provides primitive operations to write multi-threaded programs.\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
711 The 'threading' module provides a more convenient interface.");
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
712
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
713 PyDoc_STRVAR(lock_doc,
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
714 "A lock object is a synchronization primitive. To create a lock,\n\
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
715 call the PyThread_allocate_lock() function. Methods are:\n\
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
716 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
717 acquire() -- lock the lock, possibly blocking until it can be obtained\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
718 release() -- unlock of the lock\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
719 locked() -- test whether the lock is currently locked\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
720 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
721 A lock is not owned by the thread that locked it; another thread may\n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
722 unlock it. A thread attempting to lock a lock that it has already locked\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
723 will block until another thread unlocks it. Deadlocks may ensue.");
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
724
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 24280
diff changeset
725 PyMODINIT_FUNC
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13497
diff changeset
726 initthread(void)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
727 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
728 PyObject *m, *d;
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
729
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
730 /* Initialize types: */
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
731 if (PyType_Ready(&localtype) < 0)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
732 return;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
733
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
734 /* Create the module and add the functions */
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
735 m = Py_InitModule3("thread", thread_methods, thread_doc);
36324
1af7f719ed28 Check return result from Py_InitModule*(). This API can fail.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35117
diff changeset
736 if (m == NULL)
1af7f719ed28 Check return result from Py_InitModule*(). This API can fail.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35117
diff changeset
737 return;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
738
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
739 /* Add a symbolic constant */
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
740 d = PyModule_GetDict(m);
6367
2c29b8982643 Apply two changes, systematically:
Guido van Rossum <guido@python.org>
parents: 5927
diff changeset
741 ThreadError = PyErr_NewException("thread.error", NULL, NULL);
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
742 PyDict_SetItemString(d, "error", ThreadError);
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
743 Locktype.tp_doc = lock_doc;
54321
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
744 if (PyType_Ready(&Locktype) < 0)
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
745 return;
8562
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
746 Py_INCREF(&Locktype);
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
747 PyDict_SetItemString(d, "LockType", (PyObject *)&Locktype);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
748
35085
2015d16d2647 Add a missing incref.
Michael W. Hudson <mwh@python.net>
parents: 34998
diff changeset
749 Py_INCREF(&localtype);
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
750 if (PyModule_AddObject(m, "_local", (PyObject *)&localtype) < 0)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
751 return;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
752
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
753 nb_threads = 0;
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
754
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
755 /* Initialize the C thread library */
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
756 PyThread_init_thread();
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
757 }