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* Added Fixcprt.py: script to fix copyright message. * various modules: added 1993 to copyright. * thread.c: added copyright notice. * ceval.c: minor change to error message for "+" * stdwinmodule.c: check for error from wfetchcolor * config.c: MS-DOS fixes (define PYTHONPATH, use DELIM, use osdefs.h) * Add declaration of inittab to import.h * sysmodule.c: added sys.builtin_module_names * xxmodule.c, xxobject.c: fix minor errors
author Guido van Rossum <guido@python.org>
date Tue, 26 Jan 1993 13:33:44 +0000
parents 947f8a347c4f
children d9cb55ef34e2
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1 /***********************************************************
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2 Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
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3 Amsterdam, 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 not be used in advertising or publicity pertaining to
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13 distribution of the software without specific, written prior permission.
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14
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15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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22
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23 ******************************************************************/
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24
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25 #include "thread.h"
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26
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27 #ifdef DEBUG
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28 static int thread_debug = 0;
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29 #define dprintf(args) (thread_debug && printf args)
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30 #else
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31 #define dprintf(args)
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32 #endif
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33
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34 #ifdef __sgi
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35 #include <stdlib.h>
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36 #include <stdio.h>
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37 #include <signal.h>
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38 #include <sys/types.h>
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39 #include <sys/prctl.h>
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40 #include <ulocks.h>
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41 #include <errno.h>
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42
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43 #define HDR_SIZE 2680 /* sizeof(ushdr_t) */
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44 #define MAXPROC 100 /* max # of threads that can be started */
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45
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46 static usptr_t *shared_arena;
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47 static ulock_t count_lock; /* protection for some variables */
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48 static ulock_t wait_lock; /* lock used to wait for other threads */
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49 static int waiting_for_threads; /* protected by count_lock */
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50 static int nthreads; /* protected by count_lock */
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51 static int exit_status;
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52 static int do_exit; /* indicates that the program is to exit */
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53 static int exiting; /* we're already exiting (for maybe_exit) */
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54 static pid_t my_pid; /* PID of main thread */
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55 static pid_t pidlist[MAXPROC]; /* PIDs of other threads */
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56 static int maxpidindex; /* # of PIDs in pidlist */
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57 #endif
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58 #ifdef sun
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59 #include <lwp/lwp.h>
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60 #include <lwp/stackdep.h>
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61
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62 #define STACKSIZE 1000 /* stacksize for a thread */
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63 #define NSTACKS 2 /* # stacks to be put in cache initialy */
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64
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65 struct lock {
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66 int lock_locked;
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67 cv_t lock_condvar;
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68 mon_t lock_monitor;
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69 };
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70 #endif
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71 #ifdef C_THREADS
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72 #include <cthreads.h>
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73 #endif
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74
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75 #ifdef __STDC__
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76 #define _P(args) args
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77 #define _P0() (void)
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78 #define _P1(v,t) (t)
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79 #define _P2(v1,t1,v2,t2) (t1,t2)
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80 #else
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81 #define _P(args) ()
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82 #define _P0() ()
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83 #define _P1(v,t) (v) t;
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84 #define _P2(v1,t1,v2,t2) (v1,v2) t1; t2;
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85 #endif
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86
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87 static int initialized;
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88
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89 #ifdef __sgi
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90 /*
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91 * This routine is called as a signal handler when another thread
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92 * exits. When that happens, we must see whether we have to exit as
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93 * well (because of an exit_prog()) or whether we should continue on.
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94 */
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95 static void exit_sig _P0()
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96 {
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97 dprintf(("exit_sig called\n"));
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98 if (exiting && getpid() == my_pid) {
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99 dprintf(("already exiting\n"));
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100 return;
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101 }
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102 if (do_exit) {
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103 dprintf(("exiting in exit_sig\n"));
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104 exit_thread();
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105 }
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106 }
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107
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108 /*
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109 * This routine is called when a process calls exit(). If that wasn't
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110 * done from the library, we do as if an exit_prog() was intended.
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111 */
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112 static void maybe_exit _P0()
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113 {
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114 dprintf(("maybe_exit called\n"));
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115 if (exiting) {
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116 dprintf(("already exiting\n"));
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117 return;
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118 }
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119 exit_prog(0);
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120 }
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121 #endif
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122
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123 /*
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124 * Initialization.
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125 */
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126 void init_thread _P0()
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127 {
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128 #ifdef __sgi
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129 struct sigaction s;
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130 #ifdef USE_DL
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131 long addr, size;
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132 #endif
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133 #endif
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134
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135 #ifdef DEBUG
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136 thread_debug = getenv("THREADDEBUG") != 0;
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137 #endif
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diff changeset
138 if (initialized)
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diff changeset
139 return;
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diff changeset
140 initialized = 1;
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diff changeset
141 dprintf(("init_thread called\n"));
1004
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diff changeset
142
5d7142ea01b7 adapted SV module to the new svideo library.
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diff changeset
143 #ifdef __sgi
1184
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diff changeset
144 #ifdef USE_DL
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diff changeset
145 if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
146 perror("usconfig - CONF_INITSIZE (check)");
cf8ddb29e26e Added error checking.
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diff changeset
147 if (usconfig(CONF_INITSIZE, size) < 0)
cf8ddb29e26e Added error checking.
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diff changeset
148 perror("usconfig - CONF_INITSIZE (reset)");
1186
947f8a347c4f ushdr_t was not defined so fill in its size instead of using sizeof.
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diff changeset
149 addr = (long) dl_getrange(size + HDR_SIZE);
1184
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diff changeset
150 dprintf(("trying to use addr %lx-%lx for shared arena\n", addr, addr+size));
cf8ddb29e26e Added error checking.
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diff changeset
151 errno = 0;
cf8ddb29e26e Added error checking.
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diff changeset
152 if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 && errno != 0)
cf8ddb29e26e Added error checking.
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diff changeset
153 perror("usconfig - CONF_ATTACHADDR (set)");
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diff changeset
154 #endif
1179
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diff changeset
155 if (usconfig(CONF_INITUSERS, 16) < 0)
9ae65ee09735 Various changes.
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diff changeset
156 perror("usconfig - CONF_INITUSERS");
1004
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diff changeset
157 my_pid = getpid(); /* so that we know which is the main thread */
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diff changeset
158 atexit(maybe_exit);
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diff changeset
159 s.sa_handler = exit_sig;
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diff changeset
160 sigemptyset(&s.sa_mask);
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diff changeset
161 /*sigaddset(&s.sa_mask, SIGUSR1);*/
1004
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diff changeset
162 s.sa_flags = 0;
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diff changeset
163 sigaction(SIGUSR1, &s, 0);
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diff changeset
164 if (prctl(PR_SETEXITSIG, SIGUSR1) < 0)
9ae65ee09735 Various changes.
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diff changeset
165 perror("prctl - PR_SETEXITSIG");
9ae65ee09735 Various changes.
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diff changeset
166 if (usconfig(CONF_ARENATYPE, US_SHAREDONLY) < 0)
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diff changeset
167 perror("usconfig - CONF_ARENATYPE");
1004
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diff changeset
168 /*usconfig(CONF_LOCKTYPE, US_DEBUGPLUS);*/
1179
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diff changeset
169 if ((shared_arena = usinit(tmpnam(0))) == 0)
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diff changeset
170 perror("usinit");
1184
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171 #ifdef USE_DL
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diff changeset
172 if (usconfig(CONF_ATTACHADDR, addr) < 0) /* reset address */
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diff changeset
173 perror("usconfig - CONF_ATTACHADDR (reset)");
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diff changeset
174 #endif
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diff changeset
175 if ((count_lock = usnewlock(shared_arena)) == NULL)
cf8ddb29e26e Added error checking.
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diff changeset
176 perror("usnewlock (count_lock)");
1004
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diff changeset
177 (void) usinitlock(count_lock);
1184
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178 if ((wait_lock = usnewlock(shared_arena)) == NULL)
cf8ddb29e26e Added error checking.
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diff changeset
179 perror("usnewlock (wait_lock)");
1179
9ae65ee09735 Various changes.
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diff changeset
180 dprintf(("arena start: %lx, arena size: %ld\n", (long) shared_arena, (long) usconfig(CONF_GETSIZE, shared_arena)));
1004
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diff changeset
181 #endif
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diff changeset
182 #ifdef sun
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diff changeset
183 lwp_setstkcache(STACKSIZE, NSTACKS);
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diff changeset
184 #endif
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diff changeset
185 #ifdef C_THREADS
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diff changeset
186 cthread_init();
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diff changeset
187 #endif
5d7142ea01b7 adapted SV module to the new svideo library.
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diff changeset
188 }
5d7142ea01b7 adapted SV module to the new svideo library.
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189
5d7142ea01b7 adapted SV module to the new svideo library.
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diff changeset
190 /*
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diff changeset
191 * Thread support.
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diff changeset
192 */
923
72aceed365d4 * Makefile adapted to changes below.
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193 int start_new_thread _P2(func, void (*func) _P((void *)), arg, void *arg)
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
194 {
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diff changeset
195 #ifdef sun
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196 thread_t tid;
72aceed365d4 * Makefile adapted to changes below.
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diff changeset
197 #endif
1184
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diff changeset
198 #if defined(__sgi) && defined(USE_DL)
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diff changeset
199 long addr, size;
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diff changeset
200 static int local_initialized = 0;
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diff changeset
201 #endif
961
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diff changeset
202 int success = 0; /* init not needed when SOLARIS and */
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diff changeset
203 /* C_THREADS implemented properly */
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diff changeset
204
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
205 dprintf(("start_new_thread called\n"));
923
72aceed365d4 * Makefile adapted to changes below.
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diff changeset
206 if (!initialized)
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
207 init_thread();
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
208 #ifdef __sgi
1184
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diff changeset
209 switch (ussetlock(count_lock)) {
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diff changeset
210 case 0: return 0;
cf8ddb29e26e Added error checking.
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diff changeset
211 case -1: perror("ussetlock (count_lock)");
cf8ddb29e26e Added error checking.
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diff changeset
212 }
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
213 if (maxpidindex >= MAXPROC)
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diff changeset
214 success = -1;
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
215 else {
1184
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diff changeset
216 #ifdef USE_DL
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
217 if (!local_initialized) {
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
218 if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
219 perror("usconfig - CONF_INITSIZE (check)");
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
220 if (usconfig(CONF_INITSIZE, size) < 0)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
221 perror("usconfig - CONF_INITSIZE (reset)");
1186
947f8a347c4f ushdr_t was not defined so fill in its size instead of using sizeof.
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parents: 1184
diff changeset
222 addr = (long) dl_getrange(size + HDR_SIZE);
1184
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
223 dprintf(("trying to use addr %lx-%lx for sproc\n", addr, addr+size));
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
224 errno = 0;
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
225 if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 && errno != 0)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
226 perror("usconfig - CONF_ATTACHADDR (set)");
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
227 }
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
228 #endif
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
229 if ((success = sproc(func, PR_SALL, arg)) < 0)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
230 perror("sproc");
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
231 #ifdef USE_DL
cf8ddb29e26e Added error checking.
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parents: 1179
diff changeset
232 if (!local_initialized) {
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
233 if (usconfig(CONF_ATTACHADDR, addr) < 0) /* reset address */
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
234 perror("usconfig - CONF_ATTACHADDR (reset)");
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
235 local_initialized = 1;
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
236 }
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
237 #endif
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
238 if (success >= 0) {
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
239 nthreads++;
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
240 pidlist[maxpidindex++] = success;
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
241 }
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
242 }
1184
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
243 if (usunsetlock(count_lock) < 0)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
244 perror("usunsetlock (count_lock)");
923
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
245 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
246 #ifdef SOLARIS
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
247 (void) thread_create(0, 0, func, arg, THREAD_NEW_LWP);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
248 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
249 #ifdef sun
961
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diff changeset
250 success = lwp_create(&tid, func, MINPRIO, 0, lwp_newstk(), 1, arg);
923
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
251 #endif
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
252 #ifdef C_THREADS
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
253 (void) cthread_fork(func, arg);
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
254 #endif
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
255 return success < 0 ? 0 : 1;
923
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
256 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
257
961
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diff changeset
258 static void do_exit_thread _P1(no_cleanup, int no_cleanup)
923
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
259 {
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
260 dprintf(("exit_thread called\n"));
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
261 if (!initialized)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
262 if (no_cleanup)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
263 _exit(0);
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
264 else
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
265 exit(0);
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
266 #ifdef __sgi
1184
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
267 if (ussetlock(count_lock) < 0)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
268 perror("ussetlock (count_lock)");
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
269 nthreads--;
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
270 if (getpid() == my_pid) {
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
271 /* main thread; wait for other threads to exit */
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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parents: 926
diff changeset
272 exiting = 1;
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
273 if (do_exit) {
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
274 int i;
923
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
275
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
276 /* notify other threads */
1047
6b5a34db21fe Added C++ support in thread.h; don't use signals if not strictly
Sjoerd Mullender <sjoerd@acm.org>
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277 if (nthreads >= 0) {
6b5a34db21fe Added C++ support in thread.h; don't use signals if not strictly
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278 dprintf(("kill other threads\n"));
6b5a34db21fe Added C++ support in thread.h; don't use signals if not strictly
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279 for (i = 0; i < maxpidindex; i++)
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280 (void) kill(pidlist[i], SIGKILL);
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281 _exit(exit_status);
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282 }
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283 }
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284 waiting_for_threads = 1;
1184
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285 if (ussetlock(wait_lock) < 0)
cf8ddb29e26e Added error checking.
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286 perror("ussetlock (wait_lock)");
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287 for (;;) {
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288 if (nthreads < 0) {
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289 dprintf(("really exit (%d)\n", exit_status));
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290 if (no_cleanup)
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291 _exit(exit_status);
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292 else
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293 exit(exit_status);
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294 }
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295 if (usunsetlock(count_lock) < 0)
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296 perror("usunsetlock (count_lock)");
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297 dprintf(("waiting for other threads (%d)\n", nthreads));
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298 if (ussetlock(wait_lock) < 0)
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299 perror("ussetlock (wait_lock)");
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300 if (ussetlock(count_lock) < 0)
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301 perror("ussetlock (count_lock)");
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302 }
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303 }
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304 /* not the main thread */
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305 if (waiting_for_threads) {
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306 dprintf(("main thread is waiting\n"));
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307 if (usunsetlock(wait_lock) < 0)
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308 perror("usunsetlock (wait_lock)");
1047
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309 } else if (do_exit)
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310 (void) kill(my_pid, SIGUSR1);
1184
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311 if (usunsetlock(count_lock) < 0)
cf8ddb29e26e Added error checking.
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312 perror("usunsetlock (count_lock)");
926
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313 _exit(0);
923
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314 #endif
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315 #ifdef SOLARIS
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316 thread_exit();
72aceed365d4 * Makefile adapted to changes below.
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317 #endif
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318 #ifdef sun
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319 lwp_destroy(SELF);
72aceed365d4 * Makefile adapted to changes below.
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320 #endif
72aceed365d4 * Makefile adapted to changes below.
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321 #ifdef C_THREADS
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322 cthread_exit(0);
72aceed365d4 * Makefile adapted to changes below.
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323 #endif
72aceed365d4 * Makefile adapted to changes below.
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324 }
72aceed365d4 * Makefile adapted to changes below.
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325
961
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326 void exit_thread _P0()
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
327 {
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
328 do_exit_thread(0);
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
329 }
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
330
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
331 void _exit_thread _P0()
923
72aceed365d4 * Makefile adapted to changes below.
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332 {
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
333 do_exit_thread(1);
923
72aceed365d4 * Makefile adapted to changes below.
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334 }
72aceed365d4 * Makefile adapted to changes below.
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335
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
336 static void do_exit_prog _P2(status, int status, no_cleanup, int no_cleanup)
923
72aceed365d4 * Makefile adapted to changes below.
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337 {
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
338 dprintf(("exit_prog(%d) called\n", status));
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
339 if (!initialized)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
340 if (no_cleanup)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
341 _exit(status);
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
342 else
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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343 exit(status);
923
72aceed365d4 * Makefile adapted to changes below.
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344 #ifdef __sgi
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
345 do_exit = 1;
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
346 exit_status = status;
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diff changeset
347 do_exit_thread(no_cleanup);
923
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diff changeset
348 #endif
72aceed365d4 * Makefile adapted to changes below.
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diff changeset
349 #ifdef sun
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
350 pod_exit(status);
923
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diff changeset
351 #endif
72aceed365d4 * Makefile adapted to changes below.
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352 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
353
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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diff changeset
354 void exit_prog _P1(status, int status)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
355 {
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
356 do_exit_prog(status, 0);
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
357 }
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
358
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
359 void _exit_prog _P1(status, int status)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
360 {
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
361 do_exit_prog(status, 1);
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
362 }
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
363
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
364 /*
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
365 * Lock support.
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
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diff changeset
366 */
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
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367 type_lock allocate_lock _P0()
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
368 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 #ifdef __sgi
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
370 ulock_t lock;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
371 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
372 #ifdef sun
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
373 struct lock *lock;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
374 extern char *malloc();
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
375 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
376
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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parents: 926
diff changeset
377 dprintf(("allocate_lock called\n"));
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
378 if (!initialized)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
379 init_thread();
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
380
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
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diff changeset
381 #ifdef __sgi
1184
cf8ddb29e26e Added error checking.
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diff changeset
382 if ((lock = usnewlock(shared_arena)) == NULL)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
383 perror("usnewlock");
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
384 (void) usinitlock(lock);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
385 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
386 #ifdef sun
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
387 lock = (struct lock *) malloc(sizeof(struct lock));
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
388 lock->lock_locked = 0;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
389 (void) mon_create(&lock->lock_monitor);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
390 (void) cv_create(&lock->lock_condvar, lock->lock_monitor);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
391 #endif
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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parents: 926
diff changeset
392 dprintf(("allocate_lock() -> %lx\n", (long)lock));
923
72aceed365d4 * Makefile adapted to changes below.
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parents:
diff changeset
393 return (type_lock) lock;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
394 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
395
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
396 void free_lock _P1(lock, type_lock lock)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
397 {
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
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parents: 926
diff changeset
398 dprintf(("free_lock(%lx) called\n", (long)lock));
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
399 #ifdef __sgi
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
400 usfreelock((ulock_t) lock, shared_arena);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
401 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
402 #ifdef sun
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
403 mon_destroy(((struct lock *) lock)->lock_monitor);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
404 free((char *) lock);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
405 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
406 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
407
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
408 int acquire_lock _P2(lock, type_lock lock, waitflag, int waitflag)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
409 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
410 int success;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
411
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
412 dprintf(("acquire_lock(%lx, %d) called\n", (long)lock, waitflag));
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
413 #ifdef __sgi
1184
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
414 errno = 0; /* clear it just in case */
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
415 if (waitflag)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
416 success = ussetlock((ulock_t) lock);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
417 else
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
418 success = uscsetlock((ulock_t) lock, 1); /* Try it once */
1184
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
419 if (success < 0)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
420 perror(waitflag ? "ussetlock" : "uscsetlock");
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
421 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
422 #ifdef sun
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
423 success = 0;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
424
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
425 (void) mon_enter(((struct lock *) lock)->lock_monitor);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
426 if (waitflag)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
427 while (((struct lock *) lock)->lock_locked)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
428 cv_wait(((struct lock *) lock)->lock_condvar);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
429 if (!((struct lock *) lock)->lock_locked) {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
430 success = 1;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
431 ((struct lock *) lock)->lock_locked = 1;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
432 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
433 cv_broadcast(((struct lock *) lock)->lock_condvar);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
434 mon_exit(((struct lock *) lock)->lock_monitor);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
435 #endif
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
436 dprintf(("acquire_lock(%lx, %d) -> %d\n", (long)lock, waitflag, success));
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
437 return success;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
438 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
439
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
440 void release_lock _P1(lock, type_lock lock)
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
441 {
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
442 dprintf(("release_lock(%lx) called\n", (long)lock));
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
443 #ifdef __sgi
1184
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
444 if (usunsetlock((ulock_t) lock) < 0)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
445 perror("usunsetlock");
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
446 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
447 #ifdef sun
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
448 (void) mon_enter(((struct lock *) lock)->lock_monitor);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
449 ((struct lock *) lock)->lock_locked = 0;
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
450 cv_broadcast(((struct lock *) lock)->lock_condvar);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
451 mon_exit(((struct lock *) lock)->lock_monitor);
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
452 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
453 }
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
454
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
455 /*
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
456 * Semaphore support.
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
457 */
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
458 type_sema allocate_sema _P1(value, int value)
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
459 {
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
460 #ifdef __sgi
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
461 usema_t *sema;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
462 #endif
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
463
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
464 dprintf(("allocate_sema called\n"));
1047
6b5a34db21fe Added C++ support in thread.h; don't use signals if not strictly
Sjoerd Mullender <sjoerd@acm.org>
parents: 1005
diff changeset
465 if (!initialized)
6b5a34db21fe Added C++ support in thread.h; don't use signals if not strictly
Sjoerd Mullender <sjoerd@acm.org>
parents: 1005
diff changeset
466 init_thread();
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
467
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
468 #ifdef __sgi
1184
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
469 if ((sema = usnewsema(shared_arena, value)) == NULL)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
470 perror("usnewsema");
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
471 dprintf(("allocate_sema() -> %lx\n", (long) sema));
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
472 return (type_sema) sema;
923
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
473 #endif
72aceed365d4 * Makefile adapted to changes below.
Guido van Rossum <guido@python.org>
parents:
diff changeset
474 }
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
475
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
476 void free_sema _P1(sema, type_sema sema)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
477 {
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
478 dprintf(("free_sema(%lx) called\n", (long) sema));
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
479 #ifdef __sgi
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
480 usfreesema((usema_t *) sema, shared_arena);
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
481 #endif
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
482 }
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
483
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
484 void down_sema _P1(sema, type_sema sema)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
485 {
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
486 dprintf(("down_sema(%lx) called\n", (long) sema));
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
487 #ifdef __sgi
1184
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
488 if (uspsema((usema_t *) sema) < 0)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
489 perror("uspsema");
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
490 #endif
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
491 dprintf(("down_sema(%lx) return\n", (long) sema));
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
492 }
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
493
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
494 void up_sema _P1(sema, type_sema sema)
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
495 {
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
496 dprintf(("up_sema(%lx)\n", (long) sema));
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
497 #ifdef __sgi
1184
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
498 if (usvsema((usema_t *) sema) < 0)
cf8ddb29e26e Added error checking.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1179
diff changeset
499 perror("usvsema");
961
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
500 #endif
a31e07847063 New thread.c from Sjoerd, supports _exit_prog(). Use this in goaway()
Guido van Rossum <guido@python.org>
parents: 926
diff changeset
501 }