mirror of https://github.com/mgba-emu/mgba.git
126 lines
3.0 KiB
C
126 lines
3.0 KiB
C
/* Copyright (c) 2013-2015 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef POSIX_THREADING_H
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#define POSIX_THREADING_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#include <pthread.h>
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#include <sys/time.h>
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#ifdef HAVE_PTHREAD_NP_H
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#include <pthread_np.h>
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#elif defined(__HAIKU__)
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#include <OS.h>
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#endif
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#define THREAD_ENTRY void*
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typedef THREAD_ENTRY (*ThreadEntry)(void*);
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#define THREAD_EXIT(RES) return RES
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typedef pthread_t Thread;
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typedef pthread_mutex_t Mutex;
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typedef pthread_cond_t Condition;
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static inline int MutexInit(Mutex* mutex) {
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return pthread_mutex_init(mutex, 0);
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}
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static inline int MutexDeinit(Mutex* mutex) {
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return pthread_mutex_destroy(mutex);
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}
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static inline int MutexLock(Mutex* mutex) {
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return pthread_mutex_lock(mutex);
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}
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static inline int MutexTryLock(Mutex* mutex) {
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return pthread_mutex_trylock(mutex);
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}
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static inline int MutexUnlock(Mutex* mutex) {
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return pthread_mutex_unlock(mutex);
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}
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static inline int ConditionInit(Condition* cond) {
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return pthread_cond_init(cond, 0);
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}
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static inline int ConditionDeinit(Condition* cond) {
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return pthread_cond_destroy(cond);
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}
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static inline int ConditionWait(Condition* cond, Mutex* mutex) {
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return pthread_cond_wait(cond, mutex);
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}
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static inline int ConditionWaitTimed(Condition* cond, Mutex* mutex, int32_t timeoutMs) {
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struct timespec ts;
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struct timeval tv;
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gettimeofday(&tv, 0);
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ts.tv_sec = tv.tv_sec;
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ts.tv_nsec = (tv.tv_usec + timeoutMs * 1000L) * 1000L;
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if (ts.tv_nsec >= 1000000000L) {
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ts.tv_nsec -= 1000000000L;
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++ts.tv_sec;
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}
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return pthread_cond_timedwait(cond, mutex, &ts);
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}
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static inline int ConditionWake(Condition* cond) {
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return pthread_cond_broadcast(cond);
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}
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static inline int ThreadCreate(Thread* thread, ThreadEntry entry, void* context) {
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return pthread_create(thread, 0, entry, context);
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}
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static inline int ThreadJoin(Thread* thread) {
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return pthread_join(*thread, 0);
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}
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static inline int ThreadSetName(const char* name) {
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#if defined(__APPLE__) && defined(HAVE_PTHREAD_SETNAME_NP)
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return pthread_setname_np(name);
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#elif defined(HAVE_PTHREAD_SET_NAME_NP)
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pthread_set_name_np(pthread_self(), name);
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return 0;
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#elif defined(__HAIKU__)
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rename_thread(find_thread(NULL), name);
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return 0;
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#elif defined(__NetBSD__)
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return pthread_setname_np(pthread_self(), "%s", (void *) name);
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#elif defined(HAVE_PTHREAD_SETNAME_NP)
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return pthread_setname_np(pthread_self(), name);
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#else
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UNUSED(name);
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return 0;
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#endif
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}
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#if (__STDC_VERSION__ < 201112L) || (__STDC_NO_THREADS__ == 1)
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typedef pthread_key_t ThreadLocal;
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static inline void ThreadLocalInitKey(ThreadLocal* key) {
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pthread_key_create(key, 0);
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}
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static inline void ThreadLocalSetKey(ThreadLocal key, void* value) {
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pthread_setspecific(key, value);
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}
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static inline void* ThreadLocalGetValue(ThreadLocal key) {
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return pthread_getspecific(key);
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}
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#endif
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CXX_GUARD_END
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#endif
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