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annotate Python/thread_wince.h @ 66978:aed2bbafa550 3.1

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Blocked revisions 87324 via svnmerge ........ r87324 | r.david.murray | 2010-12-16 14:08:51 -0500 (Thu, 16 Dec 2010) | 9 lines #10719: restore messages generated on invalid compileall args Before the introduction of filename arguments to compileall it gave semi useful messages about not being able to 'list' names that weren't valid directories. This fix restores that behavior. In addition to the test for this case, the patch also adds a test for the default behavior of compileall when no arguments are provided, and fixes a bug in one of the previously added tests. ........
author R. David Murray <rdmurray@bitdance.com>
date Thu, 16 Dec 2010 19:10:16 +0000
parents f197407bdba2
children b36cb4602e21
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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 static void do_PyThread_exit_thread(int no_cleanup)
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57 {
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58 dprintf(("%ld: do_PyThread_exit_thread called\n", PyThread_get_thread_ident()));
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59 if (!initialized)
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60 if (no_cleanup)
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61 exit(0); /* XXX - was _exit()!! */
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62 else
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63 exit(0);
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64 _endthread();
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65 }
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66
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67 void PyThread_exit_thread(void)
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68 {
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69 do_PyThread_exit_thread(0);
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70 }
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71
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72 void PyThread__exit_thread(void)
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73 {
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74 do_PyThread_exit_thread(1);
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75 }
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76
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77 #ifndef NO_EXIT_PROG
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78 static void do_PyThread_exit_prog(int status, int no_cleanup)
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79 {
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80 dprintf(("PyThread_exit_prog(%d) called\n", status));
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81 if (!initialized)
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82 if (no_cleanup)
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83 _exit(status);
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84 else
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85 exit(status);
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86 }
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87
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88 void PyThread_exit_prog(int status)
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89 {
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90 do_PyThread_exit_prog(status, 0);
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91 }
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92
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93 void PyThread__exit_prog(int status)
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94 {
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95 do_PyThread_exit_prog(status, 1);
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96 }
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97 #endif /* NO_EXIT_PROG */
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98
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99 /*
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100 * Lock support. It has to be implemented using Mutexes, as
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101 * CE doesnt support semaphores. Therefore we use some hacks to
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102 * simulate the non reentrant requirements of Python locks
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103 */
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104 PyThread_type_lock PyThread_allocate_lock(void)
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105 {
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106 HANDLE aLock;
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107
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108 dprintf(("PyThread_allocate_lock called\n"));
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109 if (!initialized)
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110 PyThread_init_thread();
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111
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112 aLock = CreateEvent(NULL, /* Security attributes */
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113 0, /* Manual-Reset */
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114 1, /* Is initially signalled */
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115 NULL); /* Name of event */
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116
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117 dprintf(("%ld: PyThread_allocate_lock() -> %p\n", PyThread_get_thread_ident(), aLock));
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118
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119 return (PyThread_type_lock) aLock;
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120 }
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121
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122 void PyThread_free_lock(PyThread_type_lock aLock)
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123 {
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124 dprintf(("%ld: PyThread_free_lock(%p) called\n", PyThread_get_thread_ident(),aLock));
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125
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126 CloseHandle(aLock);
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127 }
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128
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129 /*
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130 * Return 1 on success if the lock was acquired
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131 *
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132 * and 0 if the lock was not acquired. This means a 0 is returned
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133 * if the lock has already been acquired by this thread!
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134 */
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135 int PyThread_acquire_lock(PyThread_type_lock aLock, int waitflag)
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136 {
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137 int success = 1;
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138 DWORD waitResult;
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139
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140 dprintf(("%ld: PyThread_acquire_lock(%p, %d) called\n", PyThread_get_thread_ident(),aLock, waitflag));
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141
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142 #ifndef DEBUG
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143 waitResult = WaitForSingleObject(aLock, (waitflag ? INFINITE : 0));
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144 #else
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145 /* To aid in debugging, we regularly wake up. This allows us to
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146 break into the debugger */
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147 while (TRUE) {
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148 waitResult = WaitForSingleObject(aLock, waitflag ? 3000 : 0);
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149 if (waitflag==0 || (waitflag && waitResult == WAIT_OBJECT_0))
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150 break;
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151 }
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152 #endif
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153
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154 if (waitResult != WAIT_OBJECT_0) {
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155 success = 0; /* We failed */
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156 }
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157
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158 dprintf(("%ld: PyThread_acquire_lock(%p, %d) -> %d\n", PyThread_get_thread_ident(),aLock, waitflag, success));
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159
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160 return success;
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161 }
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162
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163 void PyThread_release_lock(PyThread_type_lock aLock)
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164 {
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165 dprintf(("%ld: PyThread_release_lock(%p) called\n", PyThread_get_thread_ident(),aLock));
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166
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167 if (!SetEvent(aLock))
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168 dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n", PyThread_get_thread_ident(), aLock, GetLastError()));
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169 }
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170
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171