annotate Modules/_threadmodule.c @ 48345:cb871f736be0

merge error: test.test_support is now test.support
author Amaury Forgeot d'Arc <amauryfa@gmail.com>
date Thu, 19 Jun 2008 22:03:50 +0000
parents 94f64f11fdd0
children e29b4ce641f9
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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
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7 #ifndef WITH_THREAD
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8 #error "Error! The rest of Python is not compiled with thread support."
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9 #error "Rerun configure, adding a --with-threads option."
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10 #error "Then run `make clean' followed by `make'."
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11 #endif
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12
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13 #include "pythread.h"
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14
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15 static PyObject *ThreadError;
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17
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18 /* Lock objects */
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19
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20 typedef struct {
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21 PyObject_HEAD
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22 PyThread_type_lock lock_lock;
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23 } lockobject;
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24
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25 static void
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26 lock_dealloc(lockobject *self)
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27 {
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28 assert(self->lock_lock);
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29 /* Unlock the lock so it's safe to free it */
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30 PyThread_acquire_lock(self->lock_lock, 0);
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31 PyThread_release_lock(self->lock_lock);
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32
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33 PyThread_free_lock(self->lock_lock);
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34 PyObject_Del(self);
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35 }
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36
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37 static PyObject *
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38 lock_PyThread_acquire_lock(lockobject *self, PyObject *args)
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39 {
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40 int i = 1;
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41
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42 if (!PyArg_ParseTuple(args, "|i:acquire", &i))
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43 return NULL;
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44
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45 Py_BEGIN_ALLOW_THREADS
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46 i = PyThread_acquire_lock(self->lock_lock, i);
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47 Py_END_ALLOW_THREADS
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48
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49 return PyBool_FromLong((long)i);
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50 }
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51
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52 PyDoc_STRVAR(acquire_doc,
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53 "acquire([wait]) -> None or bool\n\
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54 (acquire_lock() is an obsolete synonym)\n\
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55 \n\
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56 Lock the lock. Without argument, this blocks if the lock is already\n\
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57 locked (even by the same thread), waiting for another thread to release\n\
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58 the lock, and return None once the lock is acquired.\n\
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59 With an argument, this will only block if the argument is true,\n\
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60 and the return value reflects whether the lock is acquired.\n\
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61 The blocking operation is not interruptible.");
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62
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63 static PyObject *
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64 lock_PyThread_release_lock(lockobject *self)
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65 {
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66 /* Sanity check: the lock must be locked */
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67 if (PyThread_acquire_lock(self->lock_lock, 0)) {
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68 PyThread_release_lock(self->lock_lock);
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69 PyErr_SetString(ThreadError, "release unlocked lock");
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70 return NULL;
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71 }
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72
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73 PyThread_release_lock(self->lock_lock);
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74 Py_INCREF(Py_None);
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75 return Py_None;
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76 }
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77
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78 PyDoc_STRVAR(release_doc,
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79 "release()\n\
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80 (release_lock() is an obsolete synonym)\n\
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81 \n\
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82 Release the lock, allowing another thread that is blocked waiting for\n\
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83 the lock to acquire the lock. The lock must be in the locked state,\n\
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84 but it needn't be locked by the same thread that unlocks it.");
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85
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86 static PyObject *
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87 lock_locked_lock(lockobject *self)
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88 {
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89 if (PyThread_acquire_lock(self->lock_lock, 0)) {
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90 PyThread_release_lock(self->lock_lock);
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91 return PyBool_FromLong(0L);
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92 }
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93 return PyBool_FromLong(1L);
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94 }
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95
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96 PyDoc_STRVAR(locked_doc,
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97 "locked() -> bool\n\
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98 (locked_lock() is an obsolete synonym)\n\
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99 \n\
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100 Return whether the lock is in the locked state.");
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101
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102 static PyMethodDef lock_methods[] = {
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103 {"acquire_lock", (PyCFunction)lock_PyThread_acquire_lock,
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104 METH_VARARGS, acquire_doc},
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105 {"acquire", (PyCFunction)lock_PyThread_acquire_lock,
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106 METH_VARARGS, acquire_doc},
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107 {"release_lock", (PyCFunction)lock_PyThread_release_lock,
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108 METH_NOARGS, release_doc},
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109 {"release", (PyCFunction)lock_PyThread_release_lock,
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110 METH_NOARGS, release_doc},
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111 {"locked_lock", (PyCFunction)lock_locked_lock,
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112 METH_NOARGS, locked_doc},
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113 {"locked", (PyCFunction)lock_locked_lock,
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114 METH_NOARGS, locked_doc},
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115 {"__enter__", (PyCFunction)lock_PyThread_acquire_lock,
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116 METH_VARARGS, acquire_doc},
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117 {"__exit__", (PyCFunction)lock_PyThread_release_lock,
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118 METH_VARARGS, release_doc},
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119 {NULL, NULL} /* sentinel */
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120 };
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121
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122 static PyObject *
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123 lock_getattr(lockobject *self, char *name)
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124 {
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125 return Py_FindMethod(lock_methods, (PyObject *)self, name);
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126 }
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127
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128 static PyTypeObject Locktype = {
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129 PyVarObject_HEAD_INIT(&PyType_Type, 0)
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130 "_thread.lock", /*tp_name*/
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131 sizeof(lockobject), /*tp_size*/
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132 0, /*tp_itemsize*/
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133 /* methods */
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134 (destructor)lock_dealloc, /*tp_dealloc*/
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135 0, /*tp_print*/
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136 (getattrfunc)lock_getattr, /*tp_getattr*/
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parents: 1418
diff changeset
137 0, /*tp_setattr*/
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138 0, /*tp_compare*/
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diff changeset
139 0, /*tp_repr*/
923
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
140 };
72aceed365d4 * Makefile adapted to changes below.
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parents:
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141
37879
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142 static lockobject *
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143 newlockobject(void)
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144 {
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145 lockobject *self;
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146 self = PyObject_New(lockobject, &Locktype);
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147 if (self == NULL)
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148 return NULL;
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149 self->lock_lock = PyThread_allocate_lock();
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150 if (self->lock_lock == NULL) {
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151 PyObject_Del(self);
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152 self = NULL;
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153 PyErr_SetString(ThreadError, "can't allocate lock");
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154 }
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155 return self;
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156 }
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157
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158 /* Thread-local objects */
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159
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160 #include "structmember.h"
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161
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162 typedef struct {
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163 PyObject_HEAD
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164 PyObject *key;
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165 PyObject *args;
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166 PyObject *kw;
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167 PyObject *dict;
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168 } localobject;
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169
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170 static PyObject *
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171 local_new(PyTypeObject *type, PyObject *args, PyObject *kw)
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172 {
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173 localobject *self;
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174 PyObject *tdict;
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175
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176 if (type->tp_init == PyBaseObject_Type.tp_init
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177 && ((args && PyObject_IsTrue(args))
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178 || (kw && PyObject_IsTrue(kw)))) {
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179 PyErr_SetString(PyExc_TypeError,
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180 "Initialization arguments are not supported");
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181 return NULL;
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182 }
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183
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184 self = (localobject *)type->tp_alloc(type, 0);
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185 if (self == NULL)
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186 return NULL;
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187
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188 Py_XINCREF(args);
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189 self->args = args;
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190 Py_XINCREF(kw);
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191 self->kw = kw;
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192 self->dict = NULL; /* making sure */
42122
6710f453cf4a Make "thread.local" key a unicode object.
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diff changeset
193 self->key = PyUnicode_FromFormat("thread.local.%p", self);
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194 if (self->key == NULL)
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195 goto err;
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diff changeset
196
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197 self->dict = PyDict_New();
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198 if (self->dict == NULL)
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diff changeset
199 goto err;
32673
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diff changeset
200
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201 tdict = PyThreadState_GetDict();
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202 if (tdict == NULL) {
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203 PyErr_SetString(PyExc_SystemError,
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204 "Couldn't get thread-state dictionary");
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205 goto err;
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diff changeset
206 }
32673
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207
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208 if (PyDict_SetItem(tdict, self->key, self->dict) < 0)
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209 goto err;
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diff changeset
210
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211 return (PyObject *)self;
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212
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213 err:
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214 Py_DECREF(self);
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215 return NULL;
32673
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diff changeset
216 }
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diff changeset
217
97768d87394a Implemented thread-local data as proposed on python-dev:
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diff changeset
218 static int
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diff changeset
219 local_traverse(localobject *self, visitproc visit, void *arg)
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diff changeset
220 {
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221 Py_VISIT(self->args);
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diff changeset
222 Py_VISIT(self->kw);
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diff changeset
223 Py_VISIT(self->dict);
32673
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diff changeset
224 return 0;
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diff changeset
225 }
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diff changeset
226
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diff changeset
227 static int
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diff changeset
228 local_clear(localobject *self)
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diff changeset
229 {
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230 Py_CLEAR(self->key);
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diff changeset
231 Py_CLEAR(self->args);
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diff changeset
232 Py_CLEAR(self->kw);
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diff changeset
233 Py_CLEAR(self->dict);
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234 return 0;
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diff changeset
235 }
97768d87394a Implemented thread-local data as proposed on python-dev:
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parents: 31797
diff changeset
236
97768d87394a Implemented thread-local data as proposed on python-dev:
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parents: 31797
diff changeset
237 static void
97768d87394a Implemented thread-local data as proposed on python-dev:
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diff changeset
238 local_dealloc(localobject *self)
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diff changeset
239 {
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diff changeset
240 PyThreadState *tstate;
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diff changeset
241 if (self->key
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diff changeset
242 && (tstate = PyThreadState_Get())
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Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
243 && tstate->interp) {
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244 for(tstate = PyInterpreterState_ThreadHead(tstate->interp);
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245 tstate;
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diff changeset
246 tstate = PyThreadState_Next(tstate))
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diff changeset
247 if (tstate->dict &&
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diff changeset
248 PyDict_GetItem(tstate->dict, self->key))
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249 PyDict_DelItem(tstate->dict, self->key);
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diff changeset
250 }
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diff changeset
251
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252 local_clear(self);
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44099
diff changeset
253 Py_TYPE(self)->tp_free((PyObject*)self);
32673
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diff changeset
254 }
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diff changeset
255
97768d87394a Implemented thread-local data as proposed on python-dev:
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parents: 31797
diff changeset
256 static PyObject *
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parents: 31797
diff changeset
257 _ldict(localobject *self)
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parents: 31797
diff changeset
258 {
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parents: 31797
diff changeset
259 PyObject *tdict, *ldict;
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parents: 31797
diff changeset
260
97768d87394a Implemented thread-local data as proposed on python-dev:
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diff changeset
261 tdict = PyThreadState_GetDict();
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diff changeset
262 if (tdict == NULL) {
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diff changeset
263 PyErr_SetString(PyExc_SystemError,
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diff changeset
264 "Couldn't get thread-state dictionary");
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diff changeset
265 return NULL;
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diff changeset
266 }
32673
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diff changeset
267
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268 ldict = PyDict_GetItem(tdict, self->key);
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diff changeset
269 if (ldict == NULL) {
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diff changeset
270 ldict = PyDict_New(); /* we own ldict */
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parents: 31797
diff changeset
271
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diff changeset
272 if (ldict == NULL)
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diff changeset
273 return NULL;
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diff changeset
274 else {
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diff changeset
275 int i = PyDict_SetItem(tdict, self->key, ldict);
36895
Georg Brandl <georg@python.org>
parents: 36737
diff changeset
276 Py_DECREF(ldict); /* now ldict is borrowed */
35086
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277 if (i < 0)
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278 return NULL;
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279 }
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280
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281 Py_CLEAR(self->dict);
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282 Py_INCREF(ldict);
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283 self->dict = ldict; /* still borrowed */
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284
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285 if (Py_TYPE(self)->tp_init != PyBaseObject_Type.tp_init &&
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286 Py_TYPE(self)->tp_init((PyObject*)self,
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287 self->args, self->kw) < 0) {
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288 /* we need to get rid of ldict from thread so
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289 we create a new one the next time we do an attr
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290 acces */
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291 PyDict_DelItem(tdict, self->key);
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292 return NULL;
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293 }
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294
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295 }
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296 else if (self->dict != ldict) {
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297 Py_CLEAR(self->dict);
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298 Py_INCREF(ldict);
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299 self->dict = ldict;
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300 }
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301
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302 return ldict;
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303 }
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304
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305 static int
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306 local_setattro(localobject *self, PyObject *name, PyObject *v)
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307 {
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308 PyObject *ldict;
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309
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310 ldict = _ldict(self);
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311 if (ldict == NULL)
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312 return -1;
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313
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314 return PyObject_GenericSetAttr((PyObject *)self, name, v);
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315 }
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316
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317 static PyObject *
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318 local_getdict(localobject *self, void *closure)
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319 {
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320 if (self->dict == NULL) {
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321 PyErr_SetString(PyExc_AttributeError, "__dict__");
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322 return NULL;
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323 }
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324
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325 Py_INCREF(self->dict);
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326 return self->dict;
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327 }
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328
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329 static PyGetSetDef local_getset[] = {
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330 {"__dict__", (getter)local_getdict, (setter)NULL,
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331 "Local-data dictionary", NULL},
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332 {NULL} /* Sentinel */
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333 };
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334
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335 static PyObject *local_getattro(localobject *, PyObject *);
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336
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337 static PyTypeObject localtype = {
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338 PyVarObject_HEAD_INIT(NULL, 0)
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339 /* tp_name */ "_thread._local",
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340 /* tp_basicsize */ sizeof(localobject),
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341 /* tp_itemsize */ 0,
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342 /* tp_dealloc */ (destructor)local_dealloc,
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343 /* tp_print */ 0,
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344 /* tp_getattr */ 0,
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345 /* tp_setattr */ 0,
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346 /* tp_compare */ 0,
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347 /* tp_repr */ 0,
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348 /* tp_as_number */ 0,
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349 /* tp_as_sequence */ 0,
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350 /* tp_as_mapping */ 0,
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351 /* tp_hash */ 0,
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352 /* tp_call */ 0,
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353 /* tp_str */ 0,
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354 /* tp_getattro */ (getattrofunc)local_getattro,
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355 /* tp_setattro */ (setattrofunc)local_setattro,
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356 /* tp_as_buffer */ 0,
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357 /* tp_flags */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
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358 /* tp_doc */ "Thread-local data",
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359 /* tp_traverse */ (traverseproc)local_traverse,
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360 /* tp_clear */ (inquiry)local_clear,
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361 /* tp_richcompare */ 0,
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362 /* tp_weaklistoffset */ 0,
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363 /* tp_iter */ 0,
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364 /* tp_iternext */ 0,
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365 /* tp_methods */ 0,
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366 /* tp_members */ 0,
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367 /* tp_getset */ local_getset,
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368 /* tp_base */ 0,
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369 /* tp_dict */ 0, /* internal use */
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370 /* tp_descr_get */ 0,
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371 /* tp_descr_set */ 0,
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372 /* tp_dictoffset */ offsetof(localobject, dict),
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373 /* tp_init */ 0,
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374 /* tp_alloc */ 0,
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375 /* tp_new */ local_new,
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376 /* tp_free */ 0, /* Low-level free-mem routine */
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377 /* tp_is_gc */ 0, /* For PyObject_IS_GC */
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378 };
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379
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380 static PyObject *
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381 local_getattro(localobject *self, PyObject *name)
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382 {
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383 PyObject *ldict, *value;
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384
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385 ldict = _ldict(self);
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386 if (ldict == NULL)
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387 return NULL;
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388
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389 if (Py_TYPE(self) != &localtype)
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390 /* use generic lookup for subtypes */
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391 return PyObject_GenericGetAttr((PyObject *)self, name);
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392
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393 /* Optimization: just look in dict ourselves */
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394 value = PyDict_GetItem(ldict, name);
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395 if (value == NULL)
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396 /* Fall back on generic to get __class__ and __dict__ */
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397 return PyObject_GenericGetAttr((PyObject *)self, name);
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398
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399 Py_INCREF(value);
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400 return value;
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401 }
923
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402
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403 /* Module functions */
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404
5405
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405 struct bootstate {
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406 PyInterpreterState *interp;
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407 PyObject *func;
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408 PyObject *args;
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409 PyObject *keyw;
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parents: 4944
diff changeset
410 };
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
411
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
412 static void
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
413 t_bootstrap(void *boot_raw)
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
414 {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
415 struct bootstate *boot = (struct bootstate *) boot_raw;
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
416 PyThreadState *tstate;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
417 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
418
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
419 tstate = PyThreadState_New(boot->interp);
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
420
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
421 PyEval_AcquireThread(tstate);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
422 res = PyEval_CallObjectWithKeywords(
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
423 boot->func, boot->args, boot->keyw);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
424 if (res == NULL) {
8433
7cdff8aa8318 t_bootstrap(): Use PyErr_ExceptionMatches(...) instead of PyErr_Occurred(...).
Fred Drake <fdrake@acm.org>
parents: 7211
diff changeset
425 if (PyErr_ExceptionMatches(PyExc_SystemExit))
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
426 PyErr_Clear();
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
427 else {
28889
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
428 PyObject *file;
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
429 PySys_WriteStderr(
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
430 "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
431 file = PySys_GetObject("stderr");
43855
ee081609cee8 Added some additional checks for sys.std?? is None, see #1440
Christian Heimes <christian@cheimes.de>
parents: 42334
diff changeset
432 if (file != NULL && file != Py_None)
28889
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
433 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
434 else
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
435 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
436 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
437 PyErr_PrintEx(0);
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
438 }
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
439 }
2055
cf31eab6ab5a Another bulky set of minor changes.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
440 else
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
441 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
442 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
443 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
444 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
445 PyMem_DEL(boot_raw);
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
446 PyThreadState_Clear(tstate);
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
447 PyThreadState_DeleteCurrent();
8823
f2a4a2b60860 Changes for BeOS, QNX and long long, by Chris Herborth.
Guido van Rossum <guido@python.org>
parents: 8567
diff changeset
448 PyThread_exit_thread();
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
449 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
450
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
451 static PyObject *
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
452 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
453 {
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
454 PyObject *func, *args, *keyw = NULL;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
455 struct bootstate *boot;
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
456 long ident;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
457
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
458 if (!PyArg_UnpackTuple(fargs, "start_new_thread", 2, 3,
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
459 &func, &args, &keyw))
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
460 return NULL;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
461 if (!PyCallable_Check(func)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
462 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
463 "first arg must be callable");
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
464 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
465 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
466 if (!PyTuple_Check(args)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
467 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
468 "2nd arg must be a tuple");
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
469 return NULL;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
470 }
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
471 if (keyw != NULL && !PyDict_Check(keyw)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
472 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
473 "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
474 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
475 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
476 boot = PyMem_NEW(struct bootstate, 1);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
477 if (boot == NULL)
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
478 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
479 boot->interp = PyThreadState_GET()->interp;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
480 boot->func = func;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
481 boot->args = args;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
482 boot->keyw = keyw;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
483 Py_INCREF(func);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
484 Py_INCREF(args);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
485 Py_XINCREF(keyw);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
486 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
487 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
488 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
489 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
490 Py_DECREF(func);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
491 Py_DECREF(args);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
492 Py_XDECREF(keyw);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
493 PyMem_DEL(boot);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
494 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
495 }
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43855
diff changeset
496 return PyLong_FromLong(ident);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
497 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
498
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
499 PyDoc_STRVAR(start_new_doc,
20266
241ef8a923c7 Fix typo in docstring
Andrew M. Kuchling <amk@amk.ca>
parents: 16140
diff changeset
500 "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
501 (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
502 \n\
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
503 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
504 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
505 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
506 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
507 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
508 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
509
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
510 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
511 thread_PyThread_exit_thread(PyObject *self)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
512 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
513 PyErr_SetNone(PyExc_SystemExit);
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
514 return NULL;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
515 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
516
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
517 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
518 "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
519 (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
520 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
521 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
522 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
523
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
524 static PyObject *
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
525 thread_PyThread_interrupt_main(PyObject * self)
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
526 {
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
527 PyErr_SetInterrupt();
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
528 Py_INCREF(Py_None);
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
529 return Py_None;
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
530 }
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
531
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
532 PyDoc_STRVAR(interrupt_doc,
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
533 "interrupt_main()\n\
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
534 \n\
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
535 Raise a KeyboardInterrupt in the main thread.\n\
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
536 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
537 );
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
538
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
539 #ifndef NO_EXIT_PROG
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
540 static PyObject *
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
541 thread_PyThread_exit_prog(PyObject *self, PyObject *args)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
542 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
543 int sts;
22709
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
544 if (!PyArg_ParseTuple(args, "i:exit_prog", &sts))
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
545 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
546 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
547 for (;;) { } /* Should not be reached */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
548 }
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
549 #endif
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
550
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
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551 static lockobject *newlockobject(void);
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552
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553 static PyObject *
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554 thread_PyThread_allocate_lock(PyObject *self)
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555 {
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556 return (PyObject *) newlockobject();
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557 }
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558
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559 PyDoc_STRVAR(allocate_doc,
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560 "allocate_lock() -> lock object\n\
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561 (allocate() is an obsolete synonym)\n\
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562 \n\
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563 Create a new lock object. See LockType.__doc__ for information about locks.");
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564
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565 static PyObject *
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566 thread_get_ident(PyObject *self)
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567 {
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568 long ident;
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569 ident = PyThread_get_thread_ident();
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570 if (ident == -1) {
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571 PyErr_SetString(ThreadError, "no current thread ident");
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572 return NULL;
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573 }
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574 return PyLong_FromLong(ident);
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575 }
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576
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577 PyDoc_STRVAR(get_ident_doc,
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578 "get_ident() -> integer\n\
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579 \n\
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580 Return a non-zero integer that uniquely identifies the current thread\n\
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581 amongst other threads that exist simultaneously.\n\
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582 This may be used to identify per-thread resources.\n\
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583 Even though on some platforms threads identities may appear to be\n\
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584 allocated consecutive numbers starting at 1, this behavior should not\n\
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585 be relied upon, and the number should be seen purely as a magic cookie.\n\
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586 A thread's identity may be reused for another thread after it exits.");
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587
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588 static PyObject *
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589 thread_stack_size(PyObject *self, PyObject *args)
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590 {
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591 size_t old_size;
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592 Py_ssize_t new_size = 0;
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593 int rc;
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594
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595 if (!PyArg_ParseTuple(args, "|n:stack_size", &new_size))
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596 return NULL;
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597
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598 if (new_size < 0) {
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599 PyErr_SetString(PyExc_ValueError,
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600 "size must be 0 or a positive value");
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601 return NULL;
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602 }
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603
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604 old_size = PyThread_get_stacksize();
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605
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606 rc = PyThread_set_stacksize((size_t) new_size);
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607 if (rc == -1) {
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608 PyErr_Format(PyExc_ValueError,
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609 "size not valid: %zd bytes",
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610 new_size);
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611 return NULL;
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612 }
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613 if (rc == -2) {
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614 PyErr_SetString(ThreadError,
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615 "setting stack size not supported");
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616 return NULL;
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617 }
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618
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619 return PyLong_FromSsize_t((Py_ssize_t) old_size);
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620 }
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621
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622 PyDoc_STRVAR(stack_size_doc,
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623 "stack_size([size]) -> size\n\
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624 \n\
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625 Return the thread stack size used when creating new threads. The\n\
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626 optional size argument specifies the stack size (in bytes) to be used\n\
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627 for subsequently created threads, and must be 0 (use platform or\n\
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628 configured default) or a positive integer value of at least 32,768 (32k).\n\
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629 If changing the thread stack size is unsupported, a ThreadError\n\
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630 exception is raised. If the specified size is invalid, a ValueError\n\
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631 exception is raised, and the stack size is unmodified. 32k bytes\n\
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632 currently the minimum supported stack size value to guarantee\n\
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633 sufficient stack space for the interpreter itself.\n\
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634 \n\
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635 Note that some platforms may have particular restrictions on values for\n\
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636 the stack size, such as requiring a minimum stack size larger than 32kB or\n\
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637 requiring allocation in multiples of the system memory page size\n\
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638 - platform documentation should be referred to for more information\n\
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639 (4kB pages are common; using multiples of 4096 for the stack size is\n\
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640 the suggested approach in the absence of more specific information).");
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641
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642 static PyMethodDef thread_methods[] = {
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parents: 13651
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643 {"start_new_thread", (PyCFunction)thread_PyThread_start_new_thread,
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644 METH_VARARGS,
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645 start_new_doc},
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646 {"start_new", (PyCFunction)thread_PyThread_start_new_thread,
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647 METH_VARARGS,
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648 start_new_doc},
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649 {"allocate_lock", (PyCFunction)thread_PyThread_allocate_lock,
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650 METH_NOARGS, allocate_doc},
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651 {"allocate", (PyCFunction)thread_PyThread_allocate_lock,
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652 METH_NOARGS, allocate_doc},
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653 {"exit_thread", (PyCFunction)thread_PyThread_exit_thread,
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654 METH_NOARGS, exit_doc},
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655 {"exit", (PyCFunction)thread_PyThread_exit_thread,
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656 METH_NOARGS, exit_doc},
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657 {"interrupt_main", (PyCFunction)thread_PyThread_interrupt_main,
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658 METH_NOARGS, interrupt_doc},
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659 {"get_ident", (PyCFunction)thread_get_ident,
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660 METH_NOARGS, get_ident_doc},
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661 {"stack_size", (PyCFunction)thread_stack_size,
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662 METH_VARARGS,
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663 stack_size_doc},
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664 #ifndef NO_EXIT_PROG
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665 {"exit_prog", (PyCFunction)thread_PyThread_exit_prog,
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666 METH_VARARGS},
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667 #endif
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668 {NULL, NULL} /* sentinel */
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diff changeset
669 };
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670
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671
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672 /* Initialization function */
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diff changeset
673
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674 PyDoc_STRVAR(thread_doc,
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675 "This module provides primitive operations to write multi-threaded programs.\n\
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676 The 'threading' module provides a more convenient interface.");
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677
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678 PyDoc_STRVAR(lock_doc,
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679 "A lock object is a synchronization primitive. To create a lock,\n\
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680 call the PyThread_allocate_lock() function. Methods are:\n\
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681 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
682 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
683 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
684 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
685 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
686 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
687 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
688 will block until another thread unlocks it. Deadlocks may ensue.");
8562
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Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
689
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Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
690 static struct PyModuleDef threadmodule = {
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Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
691 PyModuleDef_HEAD_INIT,
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
692 "_thread",
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
693 thread_doc,
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
694 -1,
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
695 thread_methods,
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
696 NULL,
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
697 NULL,
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
698 NULL,
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
699 NULL
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
700 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
701
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
702
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 24280
diff changeset
703 PyMODINIT_FUNC
47580
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Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
704 PyInit__thread(void)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
705 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
706 PyObject *m, *d;
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
707
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
708 /* Initialize types: */
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
709 if (PyType_Ready(&localtype) < 0)
47580
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Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
710 return NULL;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
711 if (PyType_Ready(&Locktype) < 0)
47580
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Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
712 return NULL;
923
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 /* Create the module and add the functions */
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
715 m = PyModule_Create(&threadmodule);
36324
1af7f719ed28 Check return result from Py_InitModule*(). This API can fail.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35117
diff changeset
716 if (m == NULL)
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
717 return NULL;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
718
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
719 /* Add a symbolic constant */
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
720 d = PyModule_GetDict(m);
47266
7fe3a8648ce2 Rename thread to _thread and dummy_thread to _dummy_thread. Issue #2875.
Georg Brandl <georg@python.org>
parents: 44351
diff changeset
721 ThreadError = PyErr_NewException("_thread.error", NULL, NULL);
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
722 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
723 Locktype.tp_doc = lock_doc;
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
724 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
725 PyDict_SetItemString(d, "LockType", (PyObject *)&Locktype);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
726
35085
2015d16d2647 Add a missing incref.
Michael W. Hudson <mwh@python.net>
parents: 34998
diff changeset
727 Py_INCREF(&localtype);
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
728 if (PyModule_AddObject(m, "_local", (PyObject *)&localtype) < 0)
47580
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Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
729 return NULL;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
730
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
731 /* 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
732 PyThread_init_thread();
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47285
diff changeset
733 return m;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
734 }