annotate Modules/threadmodule.c @ 58765:2ba7677bfa95 legacy-trunk

testCopysign was defined twice in test_math; combine the definitions
author Mark Dickinson <dickinsm@gmail.com>
date Sat, 06 Feb 2010 23:11:25 +0000
parents d56b103490a5
children df5719c298db
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /* Thread module */
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3 /* Interface to Sjoerd's portable C thread library */
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4
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5 #include "Python.h"
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6 #include "structmember.h" /* offsetof */
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7
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8 #ifndef WITH_THREAD
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9 #error "Error! The rest of Python is not compiled with thread support."
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10 #error "Rerun configure, adding a --with-threads option."
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11 #error "Then run `make clean' followed by `make'."
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12 #endif
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13
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14 #include "pythread.h"
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15
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16 static PyObject *ThreadError;
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17 static long nb_threads = 0;
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18
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19 /* Lock objects */
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20
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21 typedef struct {
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22 PyObject_HEAD
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23 PyThread_type_lock lock_lock;
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24 PyObject *in_weakreflist;
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25 } lockobject;
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26
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27 static void
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28 lock_dealloc(lockobject *self)
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29 {
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30 assert(self->lock_lock);
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31 if (self->in_weakreflist != NULL)
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32 PyObject_ClearWeakRefs((PyObject *) self);
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33 /* Unlock the lock so it's safe to free it */
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34 PyThread_acquire_lock(self->lock_lock, 0);
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35 PyThread_release_lock(self->lock_lock);
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36
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37 PyThread_free_lock(self->lock_lock);
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38 PyObject_Del(self);
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39 }
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40
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41 static PyObject *
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42 lock_PyThread_acquire_lock(lockobject *self, PyObject *args)
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43 {
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44 int i = 1;
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45
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46 if (!PyArg_ParseTuple(args, "|i:acquire", &i))
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47 return NULL;
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48
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49 Py_BEGIN_ALLOW_THREADS
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50 i = PyThread_acquire_lock(self->lock_lock, i);
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51 Py_END_ALLOW_THREADS
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52
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53 return PyBool_FromLong((long)i);
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54 }
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55
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56 PyDoc_STRVAR(acquire_doc,
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57 "acquire([wait]) -> None or bool\n\
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58 (acquire_lock() is an obsolete synonym)\n\
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59 \n\
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60 Lock the lock. Without argument, this blocks if the lock is already\n\
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61 locked (even by the same thread), waiting for another thread to release\n\
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62 the lock, and return None once the lock is acquired.\n\
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63 With an argument, this will only block if the argument is true,\n\
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64 and the return value reflects whether the lock is acquired.\n\
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65 The blocking operation is not interruptible.");
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66
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67 static PyObject *
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68 lock_PyThread_release_lock(lockobject *self)
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69 {
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70 /* Sanity check: the lock must be locked */
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71 if (PyThread_acquire_lock(self->lock_lock, 0)) {
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72 PyThread_release_lock(self->lock_lock);
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73 PyErr_SetString(ThreadError, "release unlocked lock");
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74 return NULL;
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75 }
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76
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77 PyThread_release_lock(self->lock_lock);
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78 Py_INCREF(Py_None);
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79 return Py_None;
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80 }
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81
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82 PyDoc_STRVAR(release_doc,
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83 "release()\n\
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84 (release_lock() is an obsolete synonym)\n\
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85 \n\
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86 Release the lock, allowing another thread that is blocked waiting for\n\
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87 the lock to acquire the lock. The lock must be in the locked state,\n\
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88 but it needn't be locked by the same thread that unlocks it.");
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89
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90 static PyObject *
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91 lock_locked_lock(lockobject *self)
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92 {
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93 if (PyThread_acquire_lock(self->lock_lock, 0)) {
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94 PyThread_release_lock(self->lock_lock);
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95 return PyBool_FromLong(0L);
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96 }
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97 return PyBool_FromLong(1L);
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98 }
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99
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100 PyDoc_STRVAR(locked_doc,
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101 "locked() -> bool\n\
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102 (locked_lock() is an obsolete synonym)\n\
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103 \n\
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104 Return whether the lock is in the locked state.");
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105
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106 static PyMethodDef lock_methods[] = {
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107 {"acquire_lock", (PyCFunction)lock_PyThread_acquire_lock,
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108 METH_VARARGS, acquire_doc},
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109 {"acquire", (PyCFunction)lock_PyThread_acquire_lock,
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110 METH_VARARGS, acquire_doc},
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111 {"release_lock", (PyCFunction)lock_PyThread_release_lock,
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112 METH_NOARGS, release_doc},
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113 {"release", (PyCFunction)lock_PyThread_release_lock,
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114 METH_NOARGS, release_doc},
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115 {"locked_lock", (PyCFunction)lock_locked_lock,
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116 METH_NOARGS, locked_doc},
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117 {"locked", (PyCFunction)lock_locked_lock,
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118 METH_NOARGS, locked_doc},
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119 {"__enter__", (PyCFunction)lock_PyThread_acquire_lock,
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120 METH_VARARGS, acquire_doc},
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121 {"__exit__", (PyCFunction)lock_PyThread_release_lock,
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122 METH_VARARGS, release_doc},
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123 {NULL} /* sentinel */
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124 };
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125
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126 static PyTypeObject Locktype = {
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127 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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128 "thread.lock", /*tp_name*/
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129 sizeof(lockobject), /*tp_size*/
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130 0, /*tp_itemsize*/
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131 /* methods */
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132 (destructor)lock_dealloc, /*tp_dealloc*/
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133 0, /*tp_print*/
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134 0, /*tp_getattr*/
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135 0, /*tp_setattr*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
136 0, /*tp_compare*/
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
137 0, /*tp_repr*/
54321
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
138 0, /* tp_as_number */
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
139 0, /* tp_as_sequence */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
140 0, /* tp_as_mapping */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
141 0, /* tp_hash */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
142 0, /* tp_call */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
143 0, /* tp_str */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
144 0, /* tp_getattro */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
145 0, /* tp_setattro */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
146 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
147 Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
54321
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
148 0, /* tp_doc */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
149 0, /* tp_traverse */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
150 0, /* tp_clear */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
151 0, /* tp_richcompare */
55704
e21c4c527e66 Add weakref support to the thread.lock type.
Gregory P. Smith <greg@mad-scientist.com>
parents: 54321
diff changeset
152 offsetof(lockobject, in_weakreflist), /* tp_weaklistoffset */
54321
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153 0, /* tp_iter */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
154 0, /* tp_iternext */
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Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
155 lock_methods, /* tp_methods */
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
156 };
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
157
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
158 static lockobject *
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
159 newlockobject(void)
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
160 {
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
161 lockobject *self;
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
162 self = PyObject_New(lockobject, &Locktype);
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
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163 if (self == NULL)
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
164 return NULL;
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
165 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
166 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
167 if (self->lock_lock == NULL) {
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
168 PyObject_Del(self);
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
169 self = NULL;
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");
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
171 }
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
172 return self;
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
173 }
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
174
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
175 /* Thread-local objects */
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
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diff changeset
176
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
177 #include "structmember.h"
97768d87394a Implemented thread-local data as proposed on python-dev:
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diff changeset
178
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
179 typedef struct {
35086
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Michael W. Hudson <mwh@python.net>
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diff changeset
180 PyObject_HEAD
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Michael W. Hudson <mwh@python.net>
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181 PyObject *key;
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diff changeset
182 PyObject *args;
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Michael W. Hudson <mwh@python.net>
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diff changeset
183 PyObject *kw;
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Michael W. Hudson <mwh@python.net>
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diff changeset
184 PyObject *dict;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
185 } localobject;
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
186
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
187 static PyObject *
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
188 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
189 {
35086
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diff changeset
190 localobject *self;
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
191 PyObject *tdict;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
192
35086
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diff changeset
193 if (type->tp_init == PyBaseObject_Type.tp_init
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
194 && ((args && PyObject_IsTrue(args))
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
195 || (kw && PyObject_IsTrue(kw)))) {
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
196 PyErr_SetString(PyExc_TypeError,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
197 "Initialization arguments are not supported");
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
198 return NULL;
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
199 }
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
200
35086
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diff changeset
201 self = (localobject *)type->tp_alloc(type, 0);
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parents: 35085
diff changeset
202 if (self == NULL)
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
203 return NULL;
32673
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Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
204
35086
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diff changeset
205 Py_XINCREF(args);
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
206 self->args = args;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
207 Py_XINCREF(kw);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
208 self->kw = kw;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
209 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
210 self->key = PyString_FromFormat("thread.local.%p", self);
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
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parents: 35085
diff changeset
211 if (self->key == NULL)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
212 goto err;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
213
35086
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diff changeset
214 self->dict = PyDict_New();
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
215 if (self->dict == NULL)
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
216 goto err;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
217
35086
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Michael W. Hudson <mwh@python.net>
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diff changeset
218 tdict = PyThreadState_GetDict();
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
219 if (tdict == NULL) {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
220 PyErr_SetString(PyExc_SystemError,
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
221 "Couldn't get thread-state dictionary");
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
222 goto err;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
223 }
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
224
35086
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diff changeset
225 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
226 goto err;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
227
35086
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diff changeset
228 return (PyObject *)self;
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diff changeset
229
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
230 err:
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
231 Py_DECREF(self);
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
232 return NULL;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
233 }
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 static int
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
236 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
237 {
35086
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diff changeset
238 Py_VISIT(self->args);
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
239 Py_VISIT(self->kw);
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
240 Py_VISIT(self->dict);
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
241 return 0;
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
242 }
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 static int
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
245 local_clear(localobject *self)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
246 {
35086
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diff changeset
247 Py_CLEAR(self->args);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
248 Py_CLEAR(self->kw);
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
249 Py_CLEAR(self->dict);
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
250 return 0;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
251 }
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 static void
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
254 local_dealloc(localobject *self)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
255 {
35086
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diff changeset
256 PyThreadState *tstate;
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parents: 35085
diff changeset
257 if (self->key
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parents: 35085
diff changeset
258 && (tstate = PyThreadState_Get())
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
259 && tstate->interp) {
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
260 for(tstate = PyInterpreterState_ThreadHead(tstate->interp);
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
261 tstate;
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
262 tstate = PyThreadState_Next(tstate))
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
263 if (tstate->dict &&
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
264 PyDict_GetItem(tstate->dict, self->key))
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
265 PyDict_DelItem(tstate->dict, self->key);
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
266 }
32673
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Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
267
56274
eebf3d51d3a4 #6990: clear threading.local's key only after its thread state is removed:
Philip Jenvey <pjenvey@underboss.org>
parents: 55704
diff changeset
268 Py_XDECREF(self->key);
35086
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diff changeset
269 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
270 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
271 }
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:
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parents: 31797
diff changeset
273 static PyObject *
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
274 _ldict(localobject *self)
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
275 {
97768d87394a Implemented thread-local data as proposed on python-dev:
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parents: 31797
diff changeset
276 PyObject *tdict, *ldict;
97768d87394a Implemented thread-local data as proposed on python-dev:
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parents: 31797
diff changeset
277
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278 tdict = PyThreadState_GetDict();
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279 if (tdict == NULL) {
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280 PyErr_SetString(PyExc_SystemError,
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281 "Couldn't get thread-state dictionary");
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282 return NULL;
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283 }
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284
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285 ldict = PyDict_GetItem(tdict, self->key);
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286 if (ldict == NULL) {
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287 ldict = PyDict_New(); /* we own ldict */
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288
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289 if (ldict == NULL)
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290 return NULL;
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291 else {
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292 int i = PyDict_SetItem(tdict, self->key, ldict);
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293 Py_DECREF(ldict); /* now ldict is borrowed */
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294 if (i < 0)
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295 return NULL;
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296 }
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297
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298 Py_CLEAR(self->dict);
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299 Py_INCREF(ldict);
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300 self->dict = ldict; /* still borrowed */
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301
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302 if (Py_TYPE(self)->tp_init != PyBaseObject_Type.tp_init &&
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303 Py_TYPE(self)->tp_init((PyObject*)self,
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304 self->args, self->kw) < 0) {
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305 /* we need to get rid of ldict from thread so
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306 we create a new one the next time we do an attr
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307 acces */
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308 PyDict_DelItem(tdict, self->key);
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309 return NULL;
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310 }
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311
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312 }
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313
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314 /* The call to tp_init above may have caused another thread to run.
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315 Install our ldict again. */
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316 if (self->dict != ldict) {
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317 Py_CLEAR(self->dict);
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318 Py_INCREF(ldict);
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319 self->dict = ldict;
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320 }
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321
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322 return ldict;
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323 }
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324
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325 static int
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326 local_setattro(localobject *self, PyObject *name, PyObject *v)
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327 {
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328 PyObject *ldict;
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329
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330 ldict = _ldict(self);
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331 if (ldict == NULL)
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332 return -1;
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333
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334 return PyObject_GenericSetAttr((PyObject *)self, name, v);
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335 }
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336
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337 static PyObject *
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338 local_getdict(localobject *self, void *closure)
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339 {
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340 if (self->dict == NULL) {
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341 PyErr_SetString(PyExc_AttributeError, "__dict__");
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342 return NULL;
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343 }
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344
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345 Py_INCREF(self->dict);
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346 return self->dict;
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347 }
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348
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349 static PyGetSetDef local_getset[] = {
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350 {"__dict__", (getter)local_getdict, (setter)NULL,
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351 "Local-data dictionary", NULL},
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352 {NULL} /* Sentinel */
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353 };
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354
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355 static PyObject *local_getattro(localobject *, PyObject *);
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356
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357 static PyTypeObject localtype = {
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358 PyVarObject_HEAD_INIT(NULL, 0)
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359 /* tp_name */ "thread._local",
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360 /* tp_basicsize */ sizeof(localobject),
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361 /* tp_itemsize */ 0,
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362 /* tp_dealloc */ (destructor)local_dealloc,
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363 /* tp_print */ 0,
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364 /* tp_getattr */ 0,
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365 /* tp_setattr */ 0,
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366 /* tp_compare */ 0,
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367 /* tp_repr */ 0,
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368 /* tp_as_number */ 0,
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369 /* tp_as_sequence */ 0,
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370 /* tp_as_mapping */ 0,
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371 /* tp_hash */ 0,
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372 /* tp_call */ 0,
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373 /* tp_str */ 0,
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374 /* tp_getattro */ (getattrofunc)local_getattro,
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375 /* tp_setattro */ (setattrofunc)local_setattro,
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376 /* tp_as_buffer */ 0,
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377 /* tp_flags */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
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378 /* tp_doc */ "Thread-local data",
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379 /* tp_traverse */ (traverseproc)local_traverse,
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380 /* tp_clear */ (inquiry)local_clear,
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381 /* tp_richcompare */ 0,
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382 /* tp_weaklistoffset */ 0,
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383 /* tp_iter */ 0,
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384 /* tp_iternext */ 0,
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385 /* tp_methods */ 0,
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386 /* tp_members */ 0,
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387 /* tp_getset */ local_getset,
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388 /* tp_base */ 0,
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389 /* tp_dict */ 0, /* internal use */
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390 /* tp_descr_get */ 0,
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391 /* tp_descr_set */ 0,
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392 /* tp_dictoffset */ offsetof(localobject, dict),
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393 /* tp_init */ 0,
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394 /* tp_alloc */ 0,
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395 /* tp_new */ local_new,
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396 /* tp_free */ 0, /* Low-level free-mem routine */
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397 /* tp_is_gc */ 0, /* For PyObject_IS_GC */
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398 };
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399
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400 static PyObject *
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401 local_getattro(localobject *self, PyObject *name)
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402 {
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403 PyObject *ldict, *value;
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404
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405 ldict = _ldict(self);
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406 if (ldict == NULL)
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407 return NULL;
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408
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409 if (Py_TYPE(self) != &localtype)
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410 /* use generic lookup for subtypes */
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411 return PyObject_GenericGetAttr((PyObject *)self, name);
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412
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
413 /* 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
414 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
415 if (value == NULL)
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
416 /* 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
417 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
418
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
419 Py_INCREF(value);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
420 return value;
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
421 }
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
422
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
423 /* Module functions */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
424
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
425 struct bootstate {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
426 PyInterpreterState *interp;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
427 PyObject *func;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
428 PyObject *args;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
429 PyObject *keyw;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
430 };
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
431
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
432 static void
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
433 t_bootstrap(void *boot_raw)
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
434 {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
435 struct bootstate *boot = (struct bootstate *) boot_raw;
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
436 PyThreadState *tstate;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
437 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
438
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
439 tstate = PyThreadState_New(boot->interp);
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
440
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
441 PyEval_AcquireThread(tstate);
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
442 nb_threads++;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
443 res = PyEval_CallObjectWithKeywords(
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
444 boot->func, boot->args, boot->keyw);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
445 if (res == NULL) {
8433
7cdff8aa8318 t_bootstrap(): Use PyErr_ExceptionMatches(...) instead of PyErr_Occurred(...).
Fred Drake <fdrake@acm.org>
parents: 7211
diff changeset
446 if (PyErr_ExceptionMatches(PyExc_SystemExit))
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
447 PyErr_Clear();
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
448 else {
28889
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
449 PyObject *file;
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
450 PySys_WriteStderr(
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
451 "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
452 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
453 if (file)
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
454 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
455 else
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
456 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
457 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
458 PyErr_PrintEx(0);
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
459 }
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
460 }
2055
cf31eab6ab5a Another bulky set of minor changes.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
461 else
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
462 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
463 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
464 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
465 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
466 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
467 nb_threads--;
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
468 PyThreadState_Clear(tstate);
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
469 PyThreadState_DeleteCurrent();
8823
f2a4a2b60860 Changes for BeOS, QNX and long long, by Chris Herborth.
Guido van Rossum <guido@python.org>
parents: 8567
diff changeset
470 PyThread_exit_thread();
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
471 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
472
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
473 static PyObject *
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
474 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
475 {
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
476 PyObject *func, *args, *keyw = NULL;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
477 struct bootstate *boot;
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
478 long ident;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
479
38489
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible.
Georg Brandl <georg@python.org>
parents: 38084
diff changeset
480 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
481 &func, &args, &keyw))
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
482 return NULL;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
483 if (!PyCallable_Check(func)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
484 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
485 "first arg must be callable");
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
486 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
487 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
488 if (!PyTuple_Check(args)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
489 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
490 "2nd arg must be a tuple");
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
491 return NULL;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
492 }
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
493 if (keyw != NULL && !PyDict_Check(keyw)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
494 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
495 "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
496 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
497 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
498 boot = PyMem_NEW(struct bootstate, 1);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
499 if (boot == NULL)
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
500 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
501 boot->interp = PyThreadState_GET()->interp;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
502 boot->func = func;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
503 boot->args = args;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
504 boot->keyw = keyw;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
505 Py_INCREF(func);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
506 Py_INCREF(args);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
507 Py_XINCREF(keyw);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
508 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
509 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
510 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
511 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
512 Py_DECREF(func);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
513 Py_DECREF(args);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
514 Py_XDECREF(keyw);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
515 PyMem_DEL(boot);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
516 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
517 }
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
518 return PyInt_FromLong(ident);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
519 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
520
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
521 PyDoc_STRVAR(start_new_doc,
20266
241ef8a923c7 Fix typo in docstring
Andrew M. Kuchling <amk@amk.ca>
parents: 16140
diff changeset
522 "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
523 (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
524 \n\
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
525 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
526 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
527 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
528 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
529 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
530 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
531
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
532 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
533 thread_PyThread_exit_thread(PyObject *self)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
534 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
535 PyErr_SetNone(PyExc_SystemExit);
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
536 return NULL;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
537 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
538
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
539 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
540 "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
541 (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
542 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
543 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
544 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
545
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
546 static PyObject *
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
547 thread_PyThread_interrupt_main(PyObject * self)
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
548 {
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
549 PyErr_SetInterrupt();
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
550 Py_INCREF(Py_None);
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
551 return Py_None;
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
552 }
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
553
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
554 PyDoc_STRVAR(interrupt_doc,
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
555 "interrupt_main()\n\
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
556 \n\
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
557 Raise a KeyboardInterrupt in the main thread.\n\
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
558 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
559 );
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
560
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
561 #ifndef NO_EXIT_PROG
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
562 static PyObject *
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
563 thread_PyThread_exit_prog(PyObject *self, PyObject *args)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
564 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
565 int sts;
22709
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
566 if (!PyArg_ParseTuple(args, "i:exit_prog", &sts))
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
567 return NULL;
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
568 Py_Exit(sts); /* Calls PyThread_exit_prog(sts) or _PyThread_exit_prog(sts) */
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
569 for (;;) { } /* Should not be reached */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
570 }
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
571 #endif
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
572
37616
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
573 static lockobject *newlockobject(void);
1e9d7e66c1bc remove forward declarations, move constructor functions. makes code C++ safe.
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
574
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
575 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
576 thread_PyThread_allocate_lock(PyObject *self)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
577 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
578 return (PyObject *) newlockobject();
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
579 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
580
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
581 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
582 "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
583 (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
584 \n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
585 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
586
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
587 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
588 thread_get_ident(PyObject *self)
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
589 {
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
590 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
591 ident = PyThread_get_thread_ident();
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
592 if (ident == -1) {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
593 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
594 return NULL;
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
595 }
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
596 return PyInt_FromLong(ident);
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
597 }
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
598
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
599 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
600 "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
601 \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 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
603 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
604 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
605 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
606 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
607 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
608 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
609
38794
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
610 static PyObject *
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
611 thread__count(PyObject *self)
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 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
614 }
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
615
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
616 PyDoc_STRVAR(_count_doc,
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
617 "_count() -> integer\n\
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
618 \n\
56991
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
619 \
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
620 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
621 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
622 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
623 yet finished.\n\
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
624 \n\
d56b103490a5 Remove official documentation entry for thread._count() and make the
Antoine Pitrou <solipsis@pitrou.net>
parents: 56980
diff changeset
625 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
626 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
627
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
628 static PyObject *
38794
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
629 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
630 {
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
631 size_t old_size;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
632 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
633 int rc;
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 (!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
636 return NULL;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
637
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
638 if (new_size < 0) {
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
639 PyErr_SetString(PyExc_ValueError,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
640 "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
641 return NULL;
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
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
644 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
645
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
646 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
647 if (rc == -1) {
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
648 PyErr_Format(PyExc_ValueError,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
649 "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
650 new_size);
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
651 return NULL;
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
652 }
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
653 if (rc == -2) {
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
654 PyErr_SetString(ThreadError,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
655 "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
656 return NULL;
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 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
660 }
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
661
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
662 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
663 "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
664 \n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
665 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
666 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
667 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
668 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
669 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
670 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
671 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
672 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
673 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
674 \n\
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
675 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
676 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
677 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
678 - 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
679 (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
680 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
681
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
682 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
683 {"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
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},
13817
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13651
diff changeset
686 {"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
687 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
688 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
689 {"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
690 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
691 {"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
692 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
693 {"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
694 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
695 {"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
696 METH_NOARGS, exit_doc},
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
697 {"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
698 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
699 {"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
700 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
701 {"_count", (PyCFunction)thread__count,
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
702 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
703 {"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
704 METH_VARARGS,
f7d23bca599f Patch #1454481: Make thread stack size runtime tunable.
Andrew MacIntyre <andymac@bullseye.apana.org.au>
parents: 38592
diff changeset
705 stack_size_doc},
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
706 #ifndef NO_EXIT_PROG
22709
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
707 {"exit_prog", (PyCFunction)thread_PyThread_exit_prog,
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
708 METH_VARARGS},
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
709 #endif
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
710 {NULL, NULL} /* sentinel */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
711 };
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
712
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
713
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
714 /* Initialization function */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
715
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
716 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
717 "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
718 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
719
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
720 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
721 "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
722 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
723 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
724 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
725 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
726 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
727 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
728 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
729 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
730 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
731
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 24280
diff changeset
732 PyMODINIT_FUNC
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13497
diff changeset
733 initthread(void)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
734 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
735 PyObject *m, *d;
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
736
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
737 /* Initialize types: */
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
738 if (PyType_Ready(&localtype) < 0)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
739 return;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
740
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
741 /* 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
742 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
743 if (m == NULL)
1af7f719ed28 Check return result from Py_InitModule*(). This API can fail.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35117
diff changeset
744 return;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
745
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
746 /* Add a symbolic constant */
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
747 d = PyModule_GetDict(m);
6367
2c29b8982643 Apply two changes, systematically:
Guido van Rossum <guido@python.org>
parents: 5927
diff changeset
748 ThreadError = PyErr_NewException("thread.error", NULL, NULL);
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
749 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
750 Locktype.tp_doc = lock_doc;
54321
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
751 if (PyType_Ready(&Locktype) < 0)
d75079de2e46 stop using Py_FindMethod
Benjamin Peterson <benjamin@python.org>
parents: 47859
diff changeset
752 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
753 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
754 PyDict_SetItemString(d, "LockType", (PyObject *)&Locktype);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
755
35085
2015d16d2647 Add a missing incref.
Michael W. Hudson <mwh@python.net>
parents: 34998
diff changeset
756 Py_INCREF(&localtype);
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
757 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
758 return;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
759
56980
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
760 nb_threads = 0;
29fe5e7bd6ee Issue #7222: Make thread "reaping" more reliable so that reference
Antoine Pitrou <solipsis@pitrou.net>
parents: 56274
diff changeset
761
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
762 /* 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
763 PyThread_init_thread();
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
764 }