Mercurial > cpython-lru_cache-weakref

annotate Python/thread_foobar.h @ 6139:a287c5014e66 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Reverse the search order for the Don Beaudry hook so that the first class wins. Makes more sense.
author Guido van Rossum <guido@python.org>
date Fri, 22 Aug 1997 16:56:16 +0000
parents 65d2d8e67da3
children 877d23bd5bdc
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1 /***********************************************************
2062
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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
4503
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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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31
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32 /*
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33 * Initialization.
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34 */
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35 static void _init_thread _P0()
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36 {
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37 }
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38
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39 /*
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40 * Thread support.
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41 */
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42 int 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(("start_new_thread called\n"));
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48 if (!initialized)
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49 init_thread();
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50 return success < 0 ? 0 : 1;
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51 }
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52
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53 long get_thread_ident _P0()
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54 {
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55 if (!initialized)
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56 init_thread();
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57 }
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58
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59 static void do_exit_thread _P1(no_cleanup, int no_cleanup)
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60 {
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61 dprintf(("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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68
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69 void exit_thread _P0()
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70 {
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71 do_exit_thread(0);
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72 }
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73
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74 void _exit_thread _P0()
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75 {
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76 do_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_exit_prog _P2(status, int status, no_cleanup, int no_cleanup)
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81 {
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82 dprintf(("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 exit_prog _P1(status, int status)
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91 {
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92 do_exit_prog(status, 0);
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93 }
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94
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95 void _exit_prog _P1(status, int status)
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96 {
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97 do_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 type_lock allocate_lock _P0()
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105 {
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106
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107 dprintf(("allocate_lock called\n"));
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108 if (!initialized)
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109 init_thread();
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110
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111 dprintf(("allocate_lock() -> %lx\n", (long)lock));
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112 return (type_lock) lock;
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113 }
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114
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115 void free_lock _P1(lock, type_lock lock)
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116 {
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117 dprintf(("free_lock(%lx) called\n", (long)lock));
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118 }
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119
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120 int acquire_lock _P2(lock, 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(("acquire_lock(%lx, %d) called\n", (long)lock, waitflag));
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125 dprintf(("acquire_lock(%lx, %d) -> %d\n", (long)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 release_lock _P1(lock, type_lock lock)
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130 {
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131 dprintf(("release_lock(%lx) called\n", (long)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 type_sema allocate_sema _P1(value, int value)
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138 {
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139 dprintf(("allocate_sema called\n"));
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140 if (!initialized)
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141 init_thread();
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142
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143 dprintf(("allocate_sema() -> %lx\n", (long) sema));
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144 return (type_sema) sema;
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145 }
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146
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147 void free_sema _P1(sema, type_sema sema)
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148 {
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149 dprintf(("free_sema(%lx) called\n", (long) sema));
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150 }
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151
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152 int down_sema _P2(sema, type_sema sema, waitflag, int waitflag)
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153 {
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154 dprintf(("down_sema(%lx, %d) called\n", (long) sema, waitflag));
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155 dprintf(("down_sema(%lx) return\n", (long) sema));
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156 return -1;
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157 }
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158
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159 void up_sema _P1(sema, type_sema sema)
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160 {
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161 dprintf(("up_sema(%lx)\n", (long) sema));
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162 }