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Issue #8276: PyEval_CallObject() is now only available in macro form. The function declaration, which was kept for backwards compatibility reasons, is now removed (the macro was introduced in 1997!).
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 01 Apr 2010 16:42:11 +0000
parents df5719c298db
children fd25030223b0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /* This code implemented by Mark Hammond (MHammond@skippinet.com.au) */
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3
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4 #include <windows.h>
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5 #include <limits.h>
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6 #include <pydebug.h>
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7
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8 long PyThread_get_thread_ident(void);
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9
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10 /*
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11 * Change all headers to pure ANSI as no one will use K&R style on an
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12 * NT
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13 */
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14
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15 /*
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16 * Initialization of the C package, should not be needed.
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17 */
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18 static void PyThread__init_thread(void)
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19 {
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20 }
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21
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22 /*
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23 * Thread support.
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24 */
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25 long PyThread_start_new_thread(void (*func)(void *), void *arg)
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26 {
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27 long rv;
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28 int success = -1;
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29
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30 dprintf(("%ld: PyThread_start_new_thread called\n", PyThread_get_thread_ident()));
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31 if (!initialized)
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32 PyThread_init_thread();
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33
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34 rv = _beginthread(func, 0, arg); /* use default stack size */
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35
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36 if (rv != -1) {
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37 success = 0;
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38 dprintf(("%ld: PyThread_start_new_thread succeeded:\n", PyThread_get_thread_ident()));
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39 }
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40
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41 return success;
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42 }
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43
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44 /*
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45 * Return the thread Id instead of an handle. The Id is said to uniquely identify the
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46 * thread in the system
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47 */
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48 long PyThread_get_thread_ident(void)
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49 {
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50 if (!initialized)
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51 PyThread_init_thread();
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52
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53 return GetCurrentThreadId();
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54 }
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55
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56 void PyThread_exit_thread(void)
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57 {
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58 dprintf(("%ld: PyThread_exit_thread called\n", PyThread_get_thread_ident()));
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59 if (!initialized)
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60 exit(0);
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61 _endthread();
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62 }
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63
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64 /*
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65 * Lock support. It has to be implemented using Mutexes, as
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66 * CE doesnt support semaphores. Therefore we use some hacks to
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67 * simulate the non reentrant requirements of Python locks
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68 */
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69 PyThread_type_lock PyThread_allocate_lock(void)
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70 {
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71 HANDLE aLock;
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72
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73 dprintf(("PyThread_allocate_lock called\n"));
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74 if (!initialized)
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75 PyThread_init_thread();
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76
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77 aLock = CreateEvent(NULL, /* Security attributes */
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78 0, /* Manual-Reset */
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79 1, /* Is initially signalled */
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80 NULL); /* Name of event */
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81
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82 dprintf(("%ld: PyThread_allocate_lock() -> %p\n", PyThread_get_thread_ident(), aLock));
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83
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84 return (PyThread_type_lock) aLock;
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85 }
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86
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87 void PyThread_free_lock(PyThread_type_lock aLock)
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88 {
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89 dprintf(("%ld: PyThread_free_lock(%p) called\n", PyThread_get_thread_ident(),aLock));
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90
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91 CloseHandle(aLock);
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92 }
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93
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94 /*
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95 * Return 1 on success if the lock was acquired
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96 *
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97 * and 0 if the lock was not acquired. This means a 0 is returned
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98 * if the lock has already been acquired by this thread!
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99 */
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100 int PyThread_acquire_lock(PyThread_type_lock aLock, int waitflag)
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101 {
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102 int success = 1;
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103 DWORD waitResult;
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104
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105 dprintf(("%ld: PyThread_acquire_lock(%p, %d) called\n", PyThread_get_thread_ident(),aLock, waitflag));
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106
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107 #ifndef DEBUG
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108 waitResult = WaitForSingleObject(aLock, (waitflag ? INFINITE : 0));
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109 #else
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110 /* To aid in debugging, we regularly wake up. This allows us to
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111 break into the debugger */
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112 while (TRUE) {
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113 waitResult = WaitForSingleObject(aLock, waitflag ? 3000 : 0);
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114 if (waitflag==0 || (waitflag && waitResult == WAIT_OBJECT_0))
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115 break;
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116 }
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117 #endif
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118
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119 if (waitResult != WAIT_OBJECT_0) {
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120 success = 0; /* We failed */
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121 }
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122
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123 dprintf(("%ld: PyThread_acquire_lock(%p, %d) -> %d\n", PyThread_get_thread_ident(),aLock, waitflag, success));
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124
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125 return success;
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126 }
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127
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128 void PyThread_release_lock(PyThread_type_lock aLock)
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129 {
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130 dprintf(("%ld: PyThread_release_lock(%p) called\n", PyThread_get_thread_ident(),aLock));
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131
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132 if (!SetEvent(aLock))
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133 dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n", PyThread_get_thread_ident(), aLock, GetLastError()));
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134 }
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135
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136