annotate Modules/threadmodule.c @ 42257:c280647c330c

c_char, c_char_p objects and c_char array structure fields return their value now as str, no longer str8.
author Thomas Heller <theller@ctypes.org>
date Fri, 13 Jul 2007 12:52:51 +0000
parents 6710f453cf4a
children e70cdce0e8b2
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
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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 PyObject_HEAD_INIT(&PyType_Type)
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130 0, /*ob_size*/
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131 "thread.lock", /*tp_name*/
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132 sizeof(lockobject), /*tp_size*/
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133 0, /*tp_itemsize*/
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134 /* methods */
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135 (destructor)lock_dealloc, /*tp_dealloc*/
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136 0, /*tp_print*/
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diff changeset
137 (getattrfunc)lock_getattr, /*tp_getattr*/
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parents: 1418
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138 0, /*tp_setattr*/
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139 0, /*tp_compare*/
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140 0, /*tp_repr*/
923
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
141 };
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
142
37879
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143 static lockobject *
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144 newlockobject(void)
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145 {
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146 lockobject *self;
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147 self = PyObject_New(lockobject, &Locktype);
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148 if (self == NULL)
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149 return NULL;
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150 self->lock_lock = PyThread_allocate_lock();
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151 if (self->lock_lock == NULL) {
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152 PyObject_Del(self);
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153 self = NULL;
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154 PyErr_SetString(ThreadError, "can't allocate lock");
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155 }
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156 return self;
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157 }
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158
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159 /* Thread-local objects */
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160
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161 #include "structmember.h"
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162
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163 typedef struct {
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164 PyObject_HEAD
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165 PyObject *key;
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166 PyObject *args;
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167 PyObject *kw;
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168 PyObject *dict;
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169 } localobject;
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170
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171 static PyObject *
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172 local_new(PyTypeObject *type, PyObject *args, PyObject *kw)
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173 {
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174 localobject *self;
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175 PyObject *tdict;
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176
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177 if (type->tp_init == PyBaseObject_Type.tp_init
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178 && ((args && PyObject_IsTrue(args))
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179 || (kw && PyObject_IsTrue(kw)))) {
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180 PyErr_SetString(PyExc_TypeError,
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181 "Initialization arguments are not supported");
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182 return NULL;
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183 }
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184
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185 self = (localobject *)type->tp_alloc(type, 0);
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186 if (self == NULL)
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187 return NULL;
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188
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189 Py_XINCREF(args);
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190 self->args = args;
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191 Py_XINCREF(kw);
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192 self->kw = kw;
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193 self->dict = NULL; /* making sure */
42122
6710f453cf4a Make "thread.local" key a unicode object.
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diff changeset
194 self->key = PyUnicode_FromFormat("thread.local.%p", self);
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195 if (self->key == NULL)
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196 goto err;
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197
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198 self->dict = PyDict_New();
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diff changeset
199 if (self->dict == NULL)
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200 goto err;
32673
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diff changeset
201
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202 tdict = PyThreadState_GetDict();
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203 if (tdict == NULL) {
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204 PyErr_SetString(PyExc_SystemError,
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205 "Couldn't get thread-state dictionary");
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206 goto err;
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207 }
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208
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209 if (PyDict_SetItem(tdict, self->key, self->dict) < 0)
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diff changeset
210 goto err;
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diff changeset
211
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212 return (PyObject *)self;
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213
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diff changeset
214 err:
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215 Py_DECREF(self);
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216 return NULL;
32673
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diff changeset
217 }
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diff changeset
218
97768d87394a Implemented thread-local data as proposed on python-dev:
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diff changeset
219 static int
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diff changeset
220 local_traverse(localobject *self, visitproc visit, void *arg)
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diff changeset
221 {
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diff changeset
222 Py_VISIT(self->args);
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diff changeset
223 Py_VISIT(self->kw);
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diff changeset
224 Py_VISIT(self->dict);
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diff changeset
225 return 0;
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diff changeset
226 }
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parents: 31797
diff changeset
227
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diff changeset
228 static int
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diff changeset
229 local_clear(localobject *self)
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diff changeset
230 {
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231 Py_CLEAR(self->key);
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diff changeset
232 Py_CLEAR(self->args);
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diff changeset
233 Py_CLEAR(self->kw);
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diff changeset
234 Py_CLEAR(self->dict);
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235 return 0;
32673
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diff changeset
236 }
97768d87394a Implemented thread-local data as proposed on python-dev:
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parents: 31797
diff changeset
237
97768d87394a Implemented thread-local data as proposed on python-dev:
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parents: 31797
diff changeset
238 static void
97768d87394a Implemented thread-local data as proposed on python-dev:
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diff changeset
239 local_dealloc(localobject *self)
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diff changeset
240 {
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diff changeset
241 PyThreadState *tstate;
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diff changeset
242 if (self->key
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diff changeset
243 && (tstate = PyThreadState_Get())
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parents: 35085
diff changeset
244 && tstate->interp) {
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245 for(tstate = PyInterpreterState_ThreadHead(tstate->interp);
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diff changeset
246 tstate;
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diff changeset
247 tstate = PyThreadState_Next(tstate))
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diff changeset
248 if (tstate->dict &&
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diff changeset
249 PyDict_GetItem(tstate->dict, self->key))
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250 PyDict_DelItem(tstate->dict, self->key);
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parents: 35085
diff changeset
251 }
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diff changeset
252
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253 local_clear(self);
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254 self->ob_type->tp_free((PyObject*)self);
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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
97768d87394a Implemented thread-local data as proposed on python-dev:
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parents: 31797
diff changeset
257 static PyObject *
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diff changeset
258 _ldict(localobject *self)
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parents: 31797
diff changeset
259 {
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parents: 31797
diff changeset
260 PyObject *tdict, *ldict;
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parents: 31797
diff changeset
261
97768d87394a Implemented thread-local data as proposed on python-dev:
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parents: 31797
diff changeset
262 tdict = PyThreadState_GetDict();
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diff changeset
263 if (tdict == NULL) {
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diff changeset
264 PyErr_SetString(PyExc_SystemError,
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diff changeset
265 "Couldn't get thread-state dictionary");
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diff changeset
266 return NULL;
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diff changeset
267 }
32673
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parents: 31797
diff changeset
268
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269 ldict = PyDict_GetItem(tdict, self->key);
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diff changeset
270 if (ldict == NULL) {
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diff changeset
271 ldict = PyDict_New(); /* we own ldict */
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parents: 31797
diff changeset
272
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diff changeset
273 if (ldict == NULL)
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diff changeset
274 return NULL;
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diff changeset
275 else {
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diff changeset
276 int i = PyDict_SetItem(tdict, self->key, ldict);
36895
Georg Brandl <georg@python.org>
parents: 36737
diff changeset
277 Py_DECREF(ldict); /* now ldict is borrowed */
35086
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278 if (i < 0)
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279 return NULL;
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280 }
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281
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282 Py_CLEAR(self->dict);
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283 Py_INCREF(ldict);
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284 self->dict = ldict; /* still borrowed */
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285
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286 if (self->ob_type->tp_init != PyBaseObject_Type.tp_init &&
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287 self->ob_type->tp_init((PyObject*)self,
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288 self->args, self->kw) < 0) {
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289 /* we need to get rid of ldict from thread so
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290 we create a new one the next time we do an attr
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291 acces */
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292 PyDict_DelItem(tdict, self->key);
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293 return NULL;
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294 }
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295
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296 }
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297 else if (self->dict != ldict) {
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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;
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301 }
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302
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303 return ldict;
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304 }
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305
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306 static int
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307 local_setattro(localobject *self, PyObject *name, PyObject *v)
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308 {
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309 PyObject *ldict;
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310
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311 ldict = _ldict(self);
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312 if (ldict == NULL)
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313 return -1;
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314
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315 return PyObject_GenericSetAttr((PyObject *)self, name, v);
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316 }
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317
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318 static PyObject *
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319 local_getdict(localobject *self, void *closure)
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320 {
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321 if (self->dict == NULL) {
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322 PyErr_SetString(PyExc_AttributeError, "__dict__");
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323 return NULL;
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324 }
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325
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326 Py_INCREF(self->dict);
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327 return self->dict;
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328 }
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329
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330 static PyGetSetDef local_getset[] = {
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331 {"__dict__", (getter)local_getdict, (setter)NULL,
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332 "Local-data dictionary", NULL},
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333 {NULL} /* Sentinel */
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334 };
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335
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336 static PyObject *local_getattro(localobject *, PyObject *);
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337
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338 static PyTypeObject localtype = {
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339 PyObject_HEAD_INIT(NULL)
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340 /* ob_size */ 0,
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341 /* tp_name */ "thread._local",
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342 /* tp_basicsize */ sizeof(localobject),
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343 /* tp_itemsize */ 0,
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344 /* tp_dealloc */ (destructor)local_dealloc,
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345 /* tp_print */ 0,
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346 /* tp_getattr */ 0,
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347 /* tp_setattr */ 0,
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348 /* tp_compare */ 0,
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349 /* tp_repr */ 0,
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350 /* tp_as_number */ 0,
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351 /* tp_as_sequence */ 0,
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352 /* tp_as_mapping */ 0,
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353 /* tp_hash */ 0,
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354 /* tp_call */ 0,
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355 /* tp_str */ 0,
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356 /* tp_getattro */ (getattrofunc)local_getattro,
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357 /* tp_setattro */ (setattrofunc)local_setattro,
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358 /* tp_as_buffer */ 0,
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359 /* tp_flags */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
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360 /* tp_doc */ "Thread-local data",
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361 /* tp_traverse */ (traverseproc)local_traverse,
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362 /* tp_clear */ (inquiry)local_clear,
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363 /* tp_richcompare */ 0,
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364 /* tp_weaklistoffset */ 0,
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365 /* tp_iter */ 0,
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366 /* tp_iternext */ 0,
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367 /* tp_methods */ 0,
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368 /* tp_members */ 0,
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369 /* tp_getset */ local_getset,
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370 /* tp_base */ 0,
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371 /* tp_dict */ 0, /* internal use */
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372 /* tp_descr_get */ 0,
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373 /* tp_descr_set */ 0,
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374 /* tp_dictoffset */ offsetof(localobject, dict),
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375 /* tp_init */ 0,
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376 /* tp_alloc */ 0,
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377 /* tp_new */ local_new,
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378 /* tp_free */ 0, /* Low-level free-mem routine */
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379 /* tp_is_gc */ 0, /* For PyObject_IS_GC */
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380 };
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381
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382 static PyObject *
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383 local_getattro(localobject *self, PyObject *name)
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384 {
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385 PyObject *ldict, *value;
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386
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387 ldict = _ldict(self);
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388 if (ldict == NULL)
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389 return NULL;
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390
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391 if (self->ob_type != &localtype)
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392 /* use generic lookup for subtypes */
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393 return PyObject_GenericGetAttr((PyObject *)self, name);
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394
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395 /* Optimization: just look in dict ourselves */
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396 value = PyDict_GetItem(ldict, name);
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397 if (value == NULL)
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398 /* Fall back on generic to get __class__ and __dict__ */
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399 return PyObject_GenericGetAttr((PyObject *)self, name);
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400
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401 Py_INCREF(value);
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402 return value;
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403 }
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404
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405 /* Module functions */
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406
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407 struct bootstate {
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408 PyInterpreterState *interp;
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409 PyObject *func;
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410 PyObject *args;
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411 PyObject *keyw;
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412 };
923
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Guido van Rossum <guido@python.org>
parents:
diff changeset
413
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
414 static void
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
415 t_bootstrap(void *boot_raw)
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
416 {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
417 struct bootstate *boot = (struct bootstate *) boot_raw;
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
418 PyThreadState *tstate;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
419 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
420
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
421 tstate = PyThreadState_New(boot->interp);
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
422
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
423 PyEval_AcquireThread(tstate);
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
424 res = PyEval_CallObjectWithKeywords(
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
425 boot->func, boot->args, boot->keyw);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
426 if (res == NULL) {
8433
7cdff8aa8318 t_bootstrap(): Use PyErr_ExceptionMatches(...) instead of PyErr_Occurred(...).
Fred Drake <fdrake@acm.org>
parents: 7211
diff changeset
427 if (PyErr_ExceptionMatches(PyExc_SystemExit))
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
428 PyErr_Clear();
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
429 else {
28889
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
430 PyObject *file;
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
431 PySys_WriteStderr(
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
432 "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
433 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
434 if (file)
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
435 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
436 else
96b6cc5d408b When an unhandled exception happens, report the repr() of the function
Guido van Rossum <guido@python.org>
parents: 25127
diff changeset
437 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
438 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
439 PyErr_PrintEx(0);
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
440 }
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
441 }
2055
cf31eab6ab5a Another bulky set of minor changes.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
442 else
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
443 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
444 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
445 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
446 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
447 PyMem_DEL(boot_raw);
35117
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
448 PyThreadState_Clear(tstate);
7ea2be2c0e1d Fix bug:
Michael W. Hudson <mwh@python.net>
parents: 35086
diff changeset
449 PyThreadState_DeleteCurrent();
8823
f2a4a2b60860 Changes for BeOS, QNX and long long, by Chris Herborth.
Guido van Rossum <guido@python.org>
parents: 8567
diff changeset
450 PyThread_exit_thread();
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
451 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
452
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
453 static PyObject *
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
454 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
455 {
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
456 PyObject *func, *args, *keyw = NULL;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
457 struct bootstate *boot;
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
458 long ident;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
459
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
460 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
461 &func, &args, &keyw))
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
462 return NULL;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
463 if (!PyCallable_Check(func)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
464 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
465 "first arg must be callable");
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
466 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
467 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
468 if (!PyTuple_Check(args)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
469 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
470 "2nd arg must be a tuple");
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
471 return NULL;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
472 }
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
473 if (keyw != NULL && !PyDict_Check(keyw)) {
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
474 PyErr_SetString(PyExc_TypeError,
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
475 "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
476 return NULL;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
477 }
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
478 boot = PyMem_NEW(struct bootstate, 1);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
479 if (boot == NULL)
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
480 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
481 boot->interp = PyThreadState_GET()->interp;
5405
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
482 boot->func = func;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
483 boot->args = args;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
484 boot->keyw = keyw;
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
485 Py_INCREF(func);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
486 Py_INCREF(args);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
487 Py_XINCREF(keyw);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
488 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
489 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
490 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
491 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
492 Py_DECREF(func);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
493 Py_DECREF(args);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
494 Py_XDECREF(keyw);
b7871ca930ad Massive changes for separate thread state management.
Guido van Rossum <guido@python.org>
parents: 4944
diff changeset
495 PyMem_DEL(boot);
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 }
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
498 return PyInt_FromLong(ident);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
499 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
500
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
501 PyDoc_STRVAR(start_new_doc,
20266
241ef8a923c7 Fix typo in docstring
Andrew M. Kuchling <amk@amk.ca>
parents: 16140
diff changeset
502 "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
503 (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
504 \n\
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20266
diff changeset
505 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
506 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
507 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
508 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
509 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
510 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
511
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
512 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
513 thread_PyThread_exit_thread(PyObject *self)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
514 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
515 PyErr_SetNone(PyExc_SystemExit);
2568
2c61786327cf implement exit_thread through SystemExit exception
Guido van Rossum <guido@python.org>
parents: 2123
diff changeset
516 return NULL;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
517 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
518
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 22865
diff changeset
519 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
520 "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
521 (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
522 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
523 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
524 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
525
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
526 static PyObject *
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
527 thread_PyThread_interrupt_main(PyObject * self)
29444
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
528 {
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
529 PyErr_SetInterrupt();
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
530 Py_INCREF(Py_None);
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
531 return Py_None;
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
532 }
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
533
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
534 PyDoc_STRVAR(interrupt_doc,
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
535 "interrupt_main()\n\
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
536 \n\
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
537 Raise a KeyboardInterrupt in the main thread.\n\
29498
1402f265e48f Correct function name.
Kurt B. Kaiser <kbk@shore.net>
parents: 29444
diff changeset
538 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
539 );
8d160095eb66 Add interrupt_main() to thread module.
Kurt B. Kaiser <kbk@shore.net>
parents: 28889
diff changeset
540
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
541 #ifndef NO_EXIT_PROG
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
542 static PyObject *
13497
95454b73ea91 ANSI-fication
Peter Schneider-Kamp <nowonder@nowonder.de>
parents: 13256
diff changeset
543 thread_PyThread_exit_prog(PyObject *self, PyObject *args)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
544 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
545 int sts;
22709
3aa4bf7ac31e Remove METH_OLDARGS:
Neal Norwitz <nnorwitz@gmail.com>
parents: 22584
diff changeset
546 if (!PyArg_ParseTuple(args, "i:exit_prog", &sts))
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
547 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
548 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
549 for (;;) { } /* Should not be reached */
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
550 }
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1418
diff changeset
551 #endif
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
552
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36926
diff changeset
553 static lockobject *newlockobject(void);
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554
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555 static PyObject *
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556 thread_PyThread_allocate_lock(PyObject *self)
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557 {
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558 return (PyObject *) newlockobject();
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559 }
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560
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561 PyDoc_STRVAR(allocate_doc,
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562 "allocate_lock() -> lock object\n\
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563 (allocate() is an obsolete synonym)\n\
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564 \n\
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565 Create a new lock object. See LockType.__doc__ for information about locks.");
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566
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567 static PyObject *
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568 thread_get_ident(PyObject *self)
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569 {
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570 long ident;
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571 ident = PyThread_get_thread_ident();
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572 if (ident == -1) {
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573 PyErr_SetString(ThreadError, "no current thread ident");
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574 return NULL;
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575 }
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576 return PyInt_FromLong(ident);
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577 }
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578
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579 PyDoc_STRVAR(get_ident_doc,
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580 "get_ident() -> integer\n\
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581 \n\
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582 Return a non-zero integer that uniquely identifies the current thread\n\
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583 amongst other threads that exist simultaneously.\n\
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584 This may be used to identify per-thread resources.\n\
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585 Even though on some platforms threads identities may appear to be\n\
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586 allocated consecutive numbers starting at 1, this behavior should not\n\
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587 be relied upon, and the number should be seen purely as a magic cookie.\n\
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588 A thread's identity may be reused for another thread after it exits.");
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589
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590 static PyObject *
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591 thread_stack_size(PyObject *self, PyObject *args)
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592 {
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593 size_t old_size;
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594 Py_ssize_t new_size = 0;
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595 int rc;
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596
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597 if (!PyArg_ParseTuple(args, "|n:stack_size", &new_size))
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598 return NULL;
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599
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600 if (new_size < 0) {
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601 PyErr_SetString(PyExc_ValueError,
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602 "size must be 0 or a positive value");
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603 return NULL;
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604 }
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605
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606 old_size = PyThread_get_stacksize();
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607
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608 rc = PyThread_set_stacksize((size_t) new_size);
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609 if (rc == -1) {
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610 PyErr_Format(PyExc_ValueError,
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611 "size not valid: %zd bytes",
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612 new_size);
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613 return NULL;
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614 }
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615 if (rc == -2) {
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616 PyErr_SetString(ThreadError,
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617 "setting stack size not supported");
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618 return NULL;
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619 }
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620
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621 return PyInt_FromSsize_t((Py_ssize_t) old_size);
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622 }
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623
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624 PyDoc_STRVAR(stack_size_doc,
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625 "stack_size([size]) -> size\n\
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626 \n\
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627 Return the thread stack size used when creating new threads. The\n\
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628 optional size argument specifies the stack size (in bytes) to be used\n\
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629 for subsequently created threads, and must be 0 (use platform or\n\
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630 configured default) or a positive integer value of at least 32,768 (32k).\n\
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631 If changing the thread stack size is unsupported, a ThreadError\n\
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632 exception is raised. If the specified size is invalid, a ValueError\n\
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633 exception is raised, and the stack size is unmodified. 32k bytes\n\
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634 currently the minimum supported stack size value to guarantee\n\
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635 sufficient stack space for the interpreter itself.\n\
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636 \n\
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637 Note that some platforms may have particular restrictions on values for\n\
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638 the stack size, such as requiring a minimum stack size larger than 32kB or\n\
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639 requiring allocation in multiples of the system memory page size\n\
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640 - platform documentation should be referred to for more information\n\
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641 (4kB pages are common; using multiples of 4096 for the stack size is\n\
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642 the suggested approach in the absence of more specific information).");
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643
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644 static PyMethodDef thread_methods[] = {
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645 {"start_new_thread", (PyCFunction)thread_PyThread_start_new_thread,
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646 METH_VARARGS,
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647 start_new_doc},
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648 {"start_new", (PyCFunction)thread_PyThread_start_new_thread,
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649 METH_VARARGS,
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650 start_new_doc},
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651 {"allocate_lock", (PyCFunction)thread_PyThread_allocate_lock,
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652 METH_NOARGS, allocate_doc},
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653 {"allocate", (PyCFunction)thread_PyThread_allocate_lock,
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654 METH_NOARGS, allocate_doc},
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655 {"exit_thread", (PyCFunction)thread_PyThread_exit_thread,
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656 METH_NOARGS, exit_doc},
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657 {"exit", (PyCFunction)thread_PyThread_exit_thread,
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658 METH_NOARGS, exit_doc},
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659 {"interrupt_main", (PyCFunction)thread_PyThread_interrupt_main,
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660 METH_NOARGS, interrupt_doc},
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661 {"get_ident", (PyCFunction)thread_get_ident,
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662 METH_NOARGS, get_ident_doc},
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663 {"stack_size", (PyCFunction)thread_stack_size,
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664 METH_VARARGS,
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665 stack_size_doc},
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666 #ifndef NO_EXIT_PROG
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667 {"exit_prog", (PyCFunction)thread_PyThread_exit_prog,
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668 METH_VARARGS},
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669 #endif
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670 {NULL, NULL} /* sentinel */
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671 };
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672
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673
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674 /* Initialization function */
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675
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676 PyDoc_STRVAR(thread_doc,
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677 "This module provides primitive operations to write multi-threaded programs.\n\
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678 The 'threading' module provides a more convenient interface.");
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679
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680 PyDoc_STRVAR(lock_doc,
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681 "A lock object is a synchronization primitive. To create a lock,\n\
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682 call the PyThread_allocate_lock() function. Methods are:\n\
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683 \n\
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diff changeset
684 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
685 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
686 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
687 \n\
ff9adb57b8b5 Added doc strings. Also export LockType from the modoule, and give it
Guido van Rossum <guido@python.org>
parents: 8433
diff changeset
688 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
689 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
690 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
691
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 24280
diff changeset
692 PyMODINIT_FUNC
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13497
diff changeset
693 initthread(void)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
694 {
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
695 PyObject *m, *d;
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
696
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
697 /* Initialize types: */
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
698 if (PyType_Ready(&localtype) < 0)
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
699 return;
39644
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
700 if (PyType_Ready(&Locktype) < 0)
13d5e5f0e993 Restructure comparison dramatically. There is no longer a default
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
701 return;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
702
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
703 /* 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
704 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
705 if (m == NULL)
1af7f719ed28 Check return result from Py_InitModule*(). This API can fail.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35117
diff changeset
706 return;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
707
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
708 /* Add a symbolic constant */
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
709 d = PyModule_GetDict(m);
6367
2c29b8982643 Apply two changes, systematically:
Guido van Rossum <guido@python.org>
parents: 5927
diff changeset
710 ThreadError = PyErr_NewException("thread.error", NULL, NULL);
4751
7ab835f87f86 Renamed.
Barry Warsaw <barry@python.org>
parents: 4600
diff changeset
711 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
712 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
713 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
714 PyDict_SetItemString(d, "LockType", (PyObject *)&Locktype);
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
715
35085
2015d16d2647 Add a missing incref.
Michael W. Hudson <mwh@python.net>
parents: 34998
diff changeset
716 Py_INCREF(&localtype);
35086
c6b7fadf0ada Consistently use hard tabs for indentation.
Michael W. Hudson <mwh@python.net>
parents: 35085
diff changeset
717 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
718 return;
32673
97768d87394a Implemented thread-local data as proposed on python-dev:
Jim Fulton <jim@zope.com>
parents: 31797
diff changeset
719
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
720 /* 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
721 PyThread_init_thread();
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
722 }