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annotate Python/thread.c @ 5234:07ed52e200db legacy-trunk

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Allow passing a .pyo file. Print correct name in fatal error from PyErr_Print.
author Guido van Rossum <guido@python.org>
date Wed, 02 Apr 1997 05:28:38 +0000
parents 4567e158d20c
children 339d4129d3f7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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31
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32 /* Thread package.
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33 This is intended to be usable independently from Python.
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34 The implementation for system foobar is in a file thread_foobar.h
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35 which is included by this file dependent on config settings.
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36 Stuff shared by all thread_*.h files is collected here. */
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37
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38 #include "config.h"
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39
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40 #include <stdio.h>
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41
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42 #ifdef HAVE_STDLIB_H
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43 #include <stdlib.h>
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44 #else
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45 extern char *getenv();
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46 #endif
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47
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48 #ifdef HAVE_UNISTD_H
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49 #include <unistd.h>
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50 #endif
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51
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52 #include "thread.h"
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53
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54 #ifdef __ksr__
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55 #define _POSIX_THREADS
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56 #endif
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57
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58 #ifndef _POSIX_THREADS
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59
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60 #ifdef __sgi
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61 #define SGI_THREADS
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62 #endif
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63
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64 #ifdef HAVE_THREAD_H
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65 #define SOLARIS_THREADS
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66 #endif
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67
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68 #if defined(sun) && !defined(SOLARIS_THREADS)
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69 #define SUN_LWP
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70 #endif
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71
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72 #endif /* _POSIX_THREADS */
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73
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74 #ifdef __STDC__
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75 #define _P(args) args
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76 #define _P0() (void)
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77 #define _P1(v,t) (t)
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78 #define _P2(v1,t1,v2,t2) (t1,t2)
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79 #else
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80 #define _P(args) ()
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81 #define _P0() ()
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82 #define _P1(v,t) (v) t;
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83 #define _P2(v1,t1,v2,t2) (v1,v2) t1; t2;
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84 #endif /* __STDC__ */
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85
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86 #ifdef Py_DEBUG
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87 static int thread_debug = 0;
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88 #define dprintf(args) ((thread_debug & 1) && printf args)
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89 #define d2printf(args) ((thread_debug & 8) && printf args)
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90 #else
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91 #define dprintf(args)
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92 #define d2printf(args)
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93 #endif
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94
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95 static int initialized;
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96
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97 static void _init_thread(); /* Forward */
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98
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99 void init_thread _P0()
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100 {
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101 #ifdef Py_DEBUG
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102 char *p = getenv("THREADDEBUG");
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103
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104 if (p) {
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105 if (*p)
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106 thread_debug = atoi(p);
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107 else
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108 thread_debug = 1;
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109 }
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110 #endif /* Py_DEBUG */
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111 if (initialized)
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112 return;
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113 initialized = 1;
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114 dprintf(("init_thread called\n"));
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115 _init_thread();
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116 }
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117
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118 #ifdef SGI_THREADS
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119 #include "thread_sgi.h"
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120 #endif
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121
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122 #ifdef SOLARIS_THREADS
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123 #include "thread_solaris.h"
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124 #endif
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125
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126 #ifdef SUN_LWP
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127 #include "thread_lwp.h"
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128 #endif
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129
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130 #ifdef _POSIX_THREADS
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131 #include "thread_pthread.h"
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132 #endif
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133
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134 #ifdef C_THREADS
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135 #include "thread_cthread.h"
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136 #endif
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137
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138 #ifdef NT_THREADS
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139 #include "thread_nt.h"
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140 #endif
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141
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142 /*
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143 #ifdef FOOBAR_THREADS
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144 #include "thread_foobar.h"
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145 #endif
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146 */