annotate Python/thread_foobar.h @ 13210:ff243b0f16ee legacy-trunk

Trent Mick <trentm@activestate.com>: The common technique for printing out a pointer has been to cast to a long and use the "%lx" printf modifier. This is incorrect on Win64 where casting to a long truncates the pointer. The "%p" formatter should be used instead. The problem as stated by Tim: > Unfortunately, the C committee refused to define what %p conversion "looks > like" -- they explicitly allowed it to be implementation-defined. Older > versions of Microsoft C even stuck a colon in the middle of the address (in > the days of segment+offset addressing)! The result is that the hex value of a pointer will maybe/maybe not have a 0x prepended to it. Notes on the patch: There are two main classes of changes: - in the various repr() functions that print out pointers - debugging printf's in the various thread_*.h files (these are why the patch is large) Closes SourceForge patch #100505.
author Fred Drake <fdrake@acm.org>
date Fri, 30 Jun 2000 15:01:00 +0000
parents 877d23bd5bdc
children 916fb024ce94
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1 /***********************************************************
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2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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3 The Netherlands.
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4
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5 All Rights Reserved
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6
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7 Permission to use, copy, modify, and distribute this software and its
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8 documentation for any purpose and without fee is hereby granted,
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9 provided that the above copyright notice appear in all copies and that
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10 both that copyright notice and this permission notice appear in
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11 supporting documentation, and that the names of Stichting Mathematisch
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12 Centrum or CWI or Corporation for National Research Initiatives or
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13 CNRI not be used in advertising or publicity pertaining to
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14 distribution of the software without specific, written prior
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15 permission.
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16
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17 While CWI is the initial source for this software, a modified version
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18 is made available by the Corporation for National Research Initiatives
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19 (CNRI) at the Internet address ftp://ftp.python.org.
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20
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21 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
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22 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
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23 MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
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24 CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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25 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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26 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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27 TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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28 PERFORMANCE OF THIS SOFTWARE.
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29
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30 ******************************************************************/
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32 /*
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33 * Initialization.
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34 */
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35 static void PyThread__init_thread _P0()
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36 {
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37 }
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39 /*
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40 * Thread support.
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41 */
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42 int PyThread_start_new_thread _P2(func, void (*func) _P((void *)), arg, void *arg)
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43 {
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44 int success = 0; /* init not needed when SOLARIS_THREADS and */
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45 /* C_THREADS implemented properly */
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46
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47 dprintf(("PyThread_start_new_thread called\n"));
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48 if (!initialized)
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49 PyThread_init_thread();
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50 return success < 0 ? 0 : 1;
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51 }
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53 long PyThread_get_thread_ident _P0()
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54 {
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55 if (!initialized)
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56 PyThread_init_thread();
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57 }
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58
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59 static void do_PyThread_exit_thread _P1(no_cleanup, int no_cleanup)
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60 {
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61 dprintf(("PyThread_exit_thread called\n"));
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62 if (!initialized)
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63 if (no_cleanup)
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64 _exit(0);
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65 else
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66 exit(0);
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67 }
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69 void PyThread_exit_thread _P0()
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70 {
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71 do_PyThread_exit_thread(0);
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72 }
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74 void PyThread__exit_thread _P0()
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75 {
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76 do_PyThread_exit_thread(1);
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77 }
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78
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79 #ifndef NO_EXIT_PROG
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80 static void do_PyThread_exit_prog _P2(status, int status, no_cleanup, int no_cleanup)
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81 {
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82 dprintf(("PyThread_exit_prog(%d) called\n", status));
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83 if (!initialized)
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84 if (no_cleanup)
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85 _exit(status);
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86 else
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87 exit(status);
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88 }
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89
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90 void PyThread_exit_prog _P1(status, int status)
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91 {
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92 do_PyThread_exit_prog(status, 0);
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93 }
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94
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95 void PyThread__exit_prog _P1(status, int status)
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96 {
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97 do_PyThread_exit_prog(status, 1);
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98 }
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99 #endif /* NO_EXIT_PROG */
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100
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101 /*
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102 * Lock support.
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103 */
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104 PyThread_type_lock PyThread_allocate_lock _P0()
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105 {
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106
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107 dprintf(("PyThread_allocate_lock called\n"));
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108 if (!initialized)
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109 PyThread_init_thread();
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110
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111 dprintf(("PyThread_allocate_lock() -> %p\n", lock));
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112 return (PyThread_type_lock) lock;
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113 }
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114
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115 void PyThread_free_lock _P1(lock, PyThread_type_lock lock)
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116 {
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117 dprintf(("PyThread_free_lock(%p) called\n", lock));
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118 }
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119
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120 int PyThread_acquire_lock _P2(lock, PyThread_type_lock lock, waitflag, int waitflag)
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121 {
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122 int success;
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123
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124 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
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125 dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
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126 return success;
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127 }
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128
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129 void PyThread_release_lock _P1(lock, PyThread_type_lock lock)
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130 {
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131 dprintf(("PyThread_release_lock(%p) called\n", lock));
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132 }
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133
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134 /*
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135 * Semaphore support.
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136 */
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137 PyThread_type_sema PyThread_allocate_sema _P1(value, int value)
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138 {
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139 dprintf(("PyThread_allocate_sema called\n"));
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140 if (!initialized)
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141 PyThread_init_thread();
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142
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143 dprintf(("PyThread_allocate_sema() -> %p\n", sema));
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144 return (PyThread_type_sema) sema;
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145 }
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146
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147 void PyThread_free_sema _P1(sema, PyThread_type_sema sema)
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148 {
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149 dprintf(("PyThread_free_sema(%p) called\n", sema));
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150 }
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151
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152 int PyThread_down_sema _P2(sema, PyThread_type_sema sema, waitflag, int waitflag)
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153 {
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154 dprintf(("PyThread_down_sema(%p, %d) called\n", sema, waitflag));
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155 dprintf(("PyThread_down_sema(%p) return\n", sema));
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156 return -1;
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157 }
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158
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159 void PyThread_up_sema _P1(sema, PyThread_type_sema sema)
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160 {
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161 dprintf(("PyThread_up_sema(%p)\n", sema));
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162 }