cpython-lru_cache-weakref: Modules/threadmodule.c annotate

annotate Modules/threadmodule.c @ 4963:5ded2bc1908b legacy-trunk

"ported" Guido's embedding demo to the mac, and wrote some minimal notes on embedding on the mac.

author	Jack Jansen <jack.jansen@cwi.nl>
date	Wed, 15 Jan 1997 16:53:37 +0000
parents	528c319c6e7f
children	b7871ca930ad

rev	line source
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	1 /***********************************************************
2061 172ba04a5191 Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2055 diff changeset	2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
172ba04a5191 Added 1995 to copyright message. Guido van Rossum <guido@python.org> parents: 2055 diff changeset	3 The Netherlands.
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	4
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	5 All Rights Reserved
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	6
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	7 Permission to use, copy, modify, and distribute this software and its
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	8 documentation for any purpose and without fee is hereby granted,
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	9 provided that the above copyright notice appear in all copies and that
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	10 both that copyright notice and this permission notice appear in
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	11 supporting documentation, and that the names of Stichting Mathematisch
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	12 Centrum or CWI or Corporation for National Research Initiatives or
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	13 CNRI not be used in advertising or publicity pertaining to
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	14 distribution of the software without specific, written prior
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	15 permission.
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	16
4503 65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	17 While CWI is the initial source for this software, a modified version
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	18 is made available by the Corporation for National Research Initiatives
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	19 (CNRI) at the Internet address ftp://ftp.python.org.
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	20
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	21 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	22 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	23 MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	24 CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	25 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	26 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	27 TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
65d2d8e67da3 New permission notice, includes CNRI. Guido van Rossum <guido@python.org> parents: 2568 diff changeset	28 PERFORMANCE OF THIS SOFTWARE.
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	29
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	30 ******************************************************************/
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	31
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	32 /* Thread module */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	33 /* Interface to Sjoerd's portable C thread library */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	34
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	35 #include "Python.h"
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	36
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	37 #ifndef WITH_THREAD
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	38 Error! The rest of Python is not compiled with thread support.
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	39 Rerun configure, adding a --with-thread option.
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	40 #endif
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	41
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	42 #include "thread.h"
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	43
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	44 extern int _PyThread_Started;
961 a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway() Guido van Rossum <guido@python.org> parents: 926 diff changeset	45
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	46 static PyObject *ThreadError;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	47
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	48
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	49 /* Lock objects */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	50
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	51 typedef struct {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	52 PyObject_HEAD
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	53 type_lock lock_lock;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	54 } lockobject;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	55
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	56 staticforward PyTypeObject Locktype;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	57
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	58 #define is_lockobject(v) ((v)->ob_type == &Locktype)
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	59
1179 9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	60 type_lock
9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	61 getlocklock(lock)
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	62 PyObject *lock;
1179 9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	63 {
9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	64 if (lock == NULL \|\| !is_lockobject(lock))
9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	65 return NULL;
9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	66 else
9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	67 return ((lockobject *) lock)->lock_lock;
9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	68 }
9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	69
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	70 static lockobject *
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	71 newlockobject()
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	72 {
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	73 lockobject *self;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	74 self = PyObject_NEW(lockobject, &Locktype);
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	75 if (self == NULL)
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	76 return NULL;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	77 self->lock_lock = allocate_lock();
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	78 if (self->lock_lock == NULL) {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	79 PyMem_DEL(self);
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	80 self = NULL;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	81 PyErr_SetString(ThreadError, "can't allocate lock");
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	82 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	83 return self;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	84 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	85
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	86 static void
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	87 lock_dealloc(self)
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	88 lockobject *self;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	89 {
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	90 /* Unlock the lock so it's safe to free it */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	91 acquire_lock(self->lock_lock, 0);
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	92 release_lock(self->lock_lock);
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	93
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	94 free_lock(self->lock_lock);
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	95 PyMem_DEL(self);
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	96 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	97
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	98 static PyObject *
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	99 lock_acquire_lock(self, args)
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	100 lockobject *self;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	101 PyObject *args;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	102 {
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	103 int i;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	104
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	105 if (args != NULL) {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	106 if (!PyArg_Parse(args, "i", &i))
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	107 return NULL;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	108 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	109 else
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	110 i = 1;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	111
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	112 Py_BEGIN_ALLOW_THREADS
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	113 i = acquire_lock(self->lock_lock, i);
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	114 Py_END_ALLOW_THREADS
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	115
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	116 if (args == NULL) {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	117 Py_INCREF(Py_None);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	118 return Py_None;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	119 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	120 else
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	121 return PyInt_FromLong((long)i);
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	122 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	123
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	124 static PyObject *
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	125 lock_release_lock(self, args)
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	126 lockobject *self;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	127 PyObject *args;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	128 {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	129 if (!PyArg_NoArgs(args))
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	130 return NULL;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	131
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	132 /* Sanity check: the lock must be locked */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	133 if (acquire_lock(self->lock_lock, 0)) {
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	134 release_lock(self->lock_lock);
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	135 PyErr_SetString(ThreadError, "release unlocked lock");
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	136 return NULL;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	137 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	138
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	139 release_lock(self->lock_lock);
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	140 Py_INCREF(Py_None);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	141 return Py_None;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	142 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	143
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	144 static PyObject *
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	145 lock_locked_lock(self, args)
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	146 lockobject *self;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	147 PyObject *args;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	148 {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	149 if (!PyArg_NoArgs(args))
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	150 return NULL;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	151
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	152 if (acquire_lock(self->lock_lock, 0)) {
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	153 release_lock(self->lock_lock);
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	154 return PyInt_FromLong(0L);
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	155 }
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	156 return PyInt_FromLong(1L);
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
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	159 static PyMethodDef lock_methods[] = {
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	160 {"acquire_lock", (PyCFunction)lock_acquire_lock},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	161 {"acquire", (PyCFunction)lock_acquire_lock},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	162 {"release_lock", (PyCFunction)lock_release_lock},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	163 {"release", (PyCFunction)lock_release_lock},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	164 {"locked_lock", (PyCFunction)lock_locked_lock},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	165 {"locked", (PyCFunction)lock_locked_lock},
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	166 {NULL, NULL} /* sentinel */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	167 };
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	168
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	169 static PyObject *
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	170 lock_getattr(self, name)
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	171 lockobject *self;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	172 char *name;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	173 {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	174 return Py_FindMethod(lock_methods, (PyObject *)self, name);
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	175 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	176
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	177 static PyTypeObject Locktype = {
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	178 PyObject_HEAD_INIT(&PyType_Type)
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	179 0, /ob_size/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	180 "lock", /tp_name/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	181 sizeof(lockobject), /tp_size/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	182 0, /tp_itemsize/
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	183 /* methods */
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	184 (destructor)lock_dealloc, /tp_dealloc/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	185 0, /tp_print/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	186 (getattrfunc)lock_getattr, /tp_getattr/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	187 0, /tp_setattr/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	188 0, /tp_compare/
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	189 0, /tp_repr/
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	190 };
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	191
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	192
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	193 /* Module functions */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	194
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	195 static void
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	196 t_bootstrap(args_raw)
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	197 void *args_raw;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	198 {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	199 PyObject args = (PyObject ) args_raw;
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	200 PyObject func, arg, *res;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	201
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	202 _PyThread_Started++;
961 a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway() Guido van Rossum <guido@python.org> parents: 926 diff changeset	203
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	204 PyEval_RestoreThread((void *)NULL);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	205 func = PyTuple_GetItem(args, 0);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	206 arg = PyTuple_GetItem(args, 1);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	207 res = PyEval_CallObject(func, arg);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	208 Py_DECREF(args); /* Matches the INCREF(args) in thread_start_new_thread */
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	209 if (res == NULL) {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	210 if (PyErr_Occurred() == PyExc_SystemExit)
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	211 PyErr_Clear();
2568 2c61786327cf implement exit_thread through SystemExit exception Guido van Rossum <guido@python.org> parents: 2123 diff changeset	212 else {
2c61786327cf implement exit_thread through SystemExit exception Guido van Rossum <guido@python.org> parents: 2123 diff changeset	213 fprintf(stderr, "Unhandled exception in thread:\n");
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	214 PyErr_Print(); /* From pythonmain.c */
2568 2c61786327cf implement exit_thread through SystemExit exception Guido van Rossum <guido@python.org> parents: 2123 diff changeset	215 }
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	216 }
2055 cf31eab6ab5a Another bulky set of minor changes. Guido van Rossum <guido@python.org> parents: 1746 diff changeset	217 else
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	218 Py_DECREF(res);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	219 (void) PyEval_SaveThread(); /* Should always be NULL */
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	220 exit_thread();
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	221 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	222
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	223 static PyObject *
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	224 thread_start_new_thread(self, args)
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	225 PyObject self; / Not used */
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	226 PyObject *args;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	227 {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	228 PyObject func, arg;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	229
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	230 if (!PyArg_Parse(args, "(OO)", &func, &arg))
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	231 return NULL;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	232 Py_INCREF(args);
1179 9ae65ee09735 Various changes. Sjoerd Mullender <sjoerd@acm.org> parents: 961 diff changeset	233 /* Initialize the interpreter's stack save/restore mechanism */
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	234 PyEval_InitThreads();
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	235 if (!start_new_thread(t_bootstrap, (void*) args)) {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	236 Py_DECREF(args);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	237 PyErr_SetString(ThreadError, "can't start new thread\n");
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	238 return NULL;
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	239 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	240 /* Otherwise the DECREF(args) is done by t_bootstrap */
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	241 Py_INCREF(Py_None);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	242 return Py_None;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	243 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	244
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	245 static PyObject *
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	246 thread_exit_thread(self, args)
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	247 PyObject self; / Not used */
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	248 PyObject *args;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	249 {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	250 if (!PyArg_NoArgs(args))
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	251 return NULL;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	252 PyErr_SetNone(PyExc_SystemExit);
2568 2c61786327cf implement exit_thread through SystemExit exception Guido van Rossum <guido@python.org> parents: 2123 diff changeset	253 return NULL;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	254 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	255
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	256 #ifndef NO_EXIT_PROG
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	257 static PyObject *
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	258 thread_exit_prog(self, args)
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	259 PyObject self; / Not used */
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	260 PyObject *args;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	261 {
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	262 int sts;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	263 if (!PyArg_Parse(args, "i", &sts))
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	264 return NULL;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	265 Py_Exit(sts); /* Calls exit_prog(sts) or _exit_prog(sts) */
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	266 for (;;) { } /* Should not be reached */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	267 }
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	268 #endif
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	269
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	270 static PyObject *
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	271 thread_allocate_lock(self, args)
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	272 PyObject self; / Not used */
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	273 PyObject *args;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	274 {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	275 if (!PyArg_NoArgs(args))
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	276 return NULL;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	277 return (PyObject *) newlockobject();
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	278 }
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	279
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	280 static PyObject *
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	281 thread_get_ident(self, args)
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	282 PyObject self; / Not used */
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	283 PyObject *args;
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	284 {
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	285 long ident;
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	286 if (!PyArg_NoArgs(args))
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	287 return NULL;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	288 ident = get_thread_ident();
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	289 if (ident == -1) {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	290 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	291 return NULL;
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	292 }
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	293 return PyInt_FromLong(ident);
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	294 }
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	295
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	296 static PyMethodDef thread_methods[] = {
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	297 {"start_new_thread", (PyCFunction)thread_start_new_thread},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	298 {"start_new", (PyCFunction)thread_start_new_thread},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	299 {"allocate_lock", (PyCFunction)thread_allocate_lock},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	300 {"allocate", (PyCFunction)thread_allocate_lock},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	301 {"exit_thread", (PyCFunction)thread_exit_thread},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	302 {"exit", (PyCFunction)thread_exit_thread},
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	303 {"get_ident", (PyCFunction)thread_get_ident},
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	304 #ifndef NO_EXIT_PROG
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	305 {"exit_prog", (PyCFunction)thread_exit_prog},
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1418 diff changeset	306 #endif
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	307 {NULL, NULL} /* sentinel */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	308 };
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	309
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	310
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	311 /* Initialization function */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	312
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	313 void
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	314 initthread()
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	315 {
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	316 PyObject m, d;
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	317
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	318 /* Create the module and add the functions */
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	319 m = Py_InitModule("thread", thread_methods);
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	320
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	321 /* Add a symbolic constant */
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	322 d = PyModule_GetDict(m);
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	323 ThreadError = PyString_FromString("thread.error");
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	324 PyDict_SetItemString(d, "error", ThreadError);
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	325
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	326 /* Check for errors */
4751 7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	327 if (PyErr_Occurred())
7ab835f87f86 Renamed. Barry Warsaw <barry@python.org> parents: 4600 diff changeset	328 Py_FatalError("can't initialize module thread");
923 72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	329
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	330 /* Initialize the C thread library */
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	331 init_thread();
72aceed365d4 * Makefile adapted to changes below. Guido van Rossum <guido@python.org> parents: diff changeset	332 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/threadmodule.c @ 4963:5ded2bc1908b legacy-trunk