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annotate Python/thread.c @ 19601:04fd3869c6bb legacy-trunk

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Removed unreachable goto statement to silence SGI compiler.
author Sjoerd Mullender <sjoerd@acm.org>
date Thu, 30 Aug 2001 14:06:45 +0000
parents 876aecef6483
children ebfd87e87884
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1198
2937897a7d8b * Added Fixcprt.py: script to fix copyright message.
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1
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2 /* Thread package.
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3 This is intended to be usable independently from Python.
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4 The implementation for system foobar is in a file thread_foobar.h
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5 which is included by this file dependent on config settings.
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6 Stuff shared by all thread_*.h files is collected here. */
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7
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2dea40e40d9d Patch #411138: Rename config.h to pyconfig.h. Closes bug #231774.
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8 #include "pyconfig.h"
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9
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876aecef6483 Repair more now-obsolete references to config.h.
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10 /* pyconfig.h may or may not define DL_IMPORT */
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11 #ifndef DL_IMPORT /* declarations for DLL import/export */
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12 #define DL_IMPORT(RTYPE) RTYPE
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13 #endif
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14
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15 #ifndef DONT_HAVE_STDIO_H
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16 #include <stdio.h>
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17 #endif
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18
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19 #ifdef HAVE_STDLIB_H
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20 #include <stdlib.h>
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21 #else
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22 #ifdef Py_DEBUG
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23 extern char *getenv(const char *);
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24 #endif
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25 #endif
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26
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27 #ifdef HAVE_UNISTD_H
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28 #include <unistd.h>
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29 #endif
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30
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31 #ifdef __DGUX
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32 #define _USING_POSIX4A_DRAFT6
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33 #endif
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34
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35 #ifdef __sgi
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36 #ifndef HAVE_PTHREAD_H /* XXX Need to check in configure.in */
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37 #undef _POSIX_THREADS
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38 #endif
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39 #endif
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40
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41 #include "pythread.h"
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42
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43 #ifdef __ksr__
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44 #define _POSIX_THREADS
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45 #endif
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46
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47 #ifndef _POSIX_THREADS
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48
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49 #ifdef __sgi
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50 #define SGI_THREADS
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51 #endif
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52
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53 #ifdef HAVE_THREAD_H
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54 #define SOLARIS_THREADS
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55 #endif
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56
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57 #if defined(sun) && !defined(SOLARIS_THREADS)
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58 #define SUN_LWP
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59 #endif
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60
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61 #if defined(__MWERKS__) && !defined(__BEOS__)
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62 #define _POSIX_THREADS
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63 #endif
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64
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65 #endif /* _POSIX_THREADS */
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66
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67
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68 #ifdef Py_DEBUG
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69 static int thread_debug = 0;
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70 #define dprintf(args) ((thread_debug & 1) && printf args)
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71 #define d2printf(args) ((thread_debug & 8) && printf args)
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72 #else
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73 #define dprintf(args)
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74 #define d2printf(args)
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75 #endif
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76
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77 static int initialized;
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78
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79 static void PyThread__init_thread(void); /* Forward */
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80
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81 void PyThread_init_thread(void)
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82 {
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83 #ifdef Py_DEBUG
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84 char *p = getenv("THREADDEBUG");
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85
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86 if (p) {
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87 if (*p)
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88 thread_debug = atoi(p);
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89 else
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90 thread_debug = 1;
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91 }
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92 #endif /* Py_DEBUG */
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93 if (initialized)
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94 return;
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95 initialized = 1;
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96 dprintf(("PyThread_init_thread called\n"));
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97 PyThread__init_thread();
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98 }
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99
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100 #ifdef SGI_THREADS
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101 #include "thread_sgi.h"
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102 #endif
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103
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104 #ifdef SOLARIS_THREADS
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105 #include "thread_solaris.h"
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106 #endif
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107
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108 #ifdef SUN_LWP
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109 #include "thread_lwp.h"
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110 #endif
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111
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112 #ifdef HAVE_PTH
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113 #include "thread_pth.h"
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114 #undef _POSIX_THREADS
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115 #endif
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116
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117 #ifdef _POSIX_THREADS
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118 #include "thread_pthread.h"
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119 #endif
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120
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121 #ifdef C_THREADS
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122 #include "thread_cthread.h"
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123 #endif
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124
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125 #ifdef NT_THREADS
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126 #include "thread_nt.h"
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127 #endif
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128
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129 #ifdef OS2_THREADS
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130 #include "thread_os2.h"
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131 #endif
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132
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133 #ifdef BEOS_THREADS
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134 #include "thread_beos.h"
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135 #endif
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136
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137 #ifdef WINCE_THREADS
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138 #include "thread_wince.h"
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139 #endif
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140
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141 /*
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142 #ifdef FOOBAR_THREADS
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143 #include "thread_foobar.h"
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144 #endif
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145 */