Differences From Artifact [08a22e6008]:
- File
src/platform/posix/thread.m
— part of check-in
[5b37fbeb82]
at
2020-12-20 21:26:08
on branch trunk
— Return error instead of using errno for threading
errno is problematic for Amiga libraries and is also not thread-safe on
some systems, even though it should. (user: js, size: 4070) [annotate] [blame] [check-ins using] [more...]
To Artifact [5ab8be6ac9]:
- File
src/platform/posix/thread.m
— part of check-in
[ab0f2cc617]
at
2021-01-14 01:11:21
on branch trunk
— Don't use pthread priorities on HP-UX
Creating a thread with priority 0 (documented to be the default) results
in pthread_create() returning EPERM. This means that priorities are
effectively not usable by normal users. (user: js, size: 4421) [annotate] [blame] [check-ins using] [more...]
1 | /* | < < | | 1 2 3 4 5 6 7 8 9 | /* * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * |
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40 41 42 43 44 45 46 | /* * This is done here to make sure this is done as early as possible in the main * thread. */ OF_CONSTRUCTOR() { | | | | | | | 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | /* * This is done here to make sure this is done as early as possible in the main * thread. */ OF_CONSTRUCTOR() { pthread_attr_t attr; if (pthread_attr_init(&attr) == 0) { #ifdef HAVE_PTHREAD_ATTR_GETSCHEDPOLICY int policy; #endif struct sched_param param; #ifdef HAVE_PTHREAD_ATTR_GETSCHEDPOLICY if (pthread_attr_getschedpolicy(&attr, &policy) == 0) { minPrio = sched_get_priority_min(policy); maxPrio = sched_get_priority_max(policy); if (minPrio == -1 || maxPrio == -1) minPrio = maxPrio = 0; } #endif if (pthread_attr_getschedparam(&attr, ¶m) != 0) normalPrio = param.sched_priority; else minPrio = maxPrio = 0; pthread_attr_destroy(&attr); } } static void * functionWrapper(void *data) { struct thread_ctx *ctx = data; |
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87 88 89 90 91 92 93 | return NULL; } int of_thread_attr_init(of_thread_attr_t *attr) { int error; | | > > > | > > > | | | | | > | > > > | > | > > > | | | > > > > | > | | | > > > | | 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | return NULL; } int of_thread_attr_init(of_thread_attr_t *attr) { int error; pthread_attr_t POSIXAttr; attr->priority = 0; attr->stackSize = 0; if ((error = pthread_attr_init(&POSIXAttr)) != 0) { if (error == ENOSYS) return 0; return error; } error = pthread_attr_getstacksize(&POSIXAttr, &attr->stackSize); pthread_attr_destroy(&POSIXAttr); return error; } int of_thread_new(of_thread_t *thread, const char *name, void (*function)(id), id object, const of_thread_attr_t *attr) { int error = 0; pthread_attr_t POSIXAttr; bool POSIXAttrAvailable = true; if ((error = pthread_attr_init(&POSIXAttr)) != 0) { if (error == ENOSYS) POSIXAttrAvailable = false; else return error; } @try { struct thread_ctx *ctx; if (attr != NULL && POSIXAttrAvailable) { #ifndef OF_HPUX struct sched_param param; #endif if (attr->priority < -1 || attr->priority > 1) return EINVAL; #ifndef OF_HPUX # ifdef HAVE_PTHREAD_ATTR_SETINHERITSCHED if ((error = pthread_attr_setinheritsched(&POSIXAttr, PTHREAD_EXPLICIT_SCHED)) != 0) return error; # endif if ((error = pthread_attr_getschedparam(&POSIXAttr, ¶m)) != 0) return error; if (attr->priority < 0) { param.sched_priority = minPrio + (1.0f + attr->priority) * (normalPrio - minPrio); } else param.sched_priority = normalPrio + attr->priority * (maxPrio - normalPrio); if ((error = pthread_attr_setschedparam(&POSIXAttr, ¶m)) != 0) return error; #endif if (attr->stackSize > 0) { if ((error = pthread_attr_setstacksize( &POSIXAttr, attr->stackSize)) != 0) return error; } } if ((ctx = malloc(sizeof(*ctx))) == NULL) return ENOMEM; ctx->function = function; ctx->object = object; ctx->name = name; error = pthread_create(thread, (POSIXAttrAvailable ? &POSIXAttr : NULL), functionWrapper, ctx); } @finally { if (POSIXAttrAvailable) pthread_attr_destroy(&POSIXAttr); } return error; } int of_thread_join(of_thread_t thread) |
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