102 lines
1.9 KiB
C
102 lines
1.9 KiB
C
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/*
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* UNIX threads
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*/
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#ifndef __al_included_allegro5_aintuthr_h
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#define __al_included_allegro5_aintuthr_h
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#include <pthread.h>
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#include "allegro5/internal/aintern_thread.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* threads */
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struct _AL_THREAD
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{
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/* private: */
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pthread_t thread;
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pthread_mutex_t mutex;
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bool should_stop;
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void (*proc)(struct _AL_THREAD *self, void *arg);
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void *arg;
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};
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struct _AL_MUTEX
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{
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bool inited;
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pthread_mutex_t mutex;
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};
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#define _AL_MUTEX_UNINITED { false, PTHREAD_MUTEX_INITIALIZER }
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/* makes no sense, but shuts gcc up */
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#define _AL_MARK_MUTEX_UNINITED(M) do { M.inited = false; } while (0)
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struct _AL_COND
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{
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pthread_cond_t cond;
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};
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typedef struct ALLEGRO_TIMEOUT_UNIX ALLEGRO_TIMEOUT_UNIX;
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struct ALLEGRO_TIMEOUT_UNIX
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{
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struct timespec abstime;
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};
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AL_INLINE(bool, _al_get_thread_should_stop, (struct _AL_THREAD *t),
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{
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bool ret;
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pthread_mutex_lock(&t->mutex);
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ret = t->should_stop;
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pthread_mutex_unlock(&t->mutex);
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return ret;
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})
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AL_FUNC(void, _al_mutex_init, (struct _AL_MUTEX*));
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AL_FUNC(void, _al_mutex_destroy, (struct _AL_MUTEX*));
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AL_INLINE(void, _al_mutex_lock, (struct _AL_MUTEX *m),
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{
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if (m->inited)
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pthread_mutex_lock(&m->mutex);
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})
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AL_INLINE(void, _al_mutex_unlock, (struct _AL_MUTEX *m),
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{
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if (m->inited)
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pthread_mutex_unlock(&m->mutex);
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})
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AL_INLINE(void, _al_cond_init, (struct _AL_COND *cond),
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{
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pthread_cond_init(&cond->cond, NULL);
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})
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AL_INLINE(void, _al_cond_destroy, (struct _AL_COND *cond),
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{
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pthread_cond_destroy(&cond->cond);
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})
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AL_INLINE(void, _al_cond_wait, (struct _AL_COND *cond, struct _AL_MUTEX *mutex),
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{
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pthread_cond_wait(&cond->cond, &mutex->mutex);
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})
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AL_INLINE(void, _al_cond_broadcast, (struct _AL_COND *cond),
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{
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pthread_cond_broadcast(&cond->cond);
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})
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AL_INLINE(void, _al_cond_signal, (struct _AL_COND *cond),
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{
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pthread_cond_signal(&cond->cond);
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})
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#ifdef __cplusplus
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}
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#endif
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#endif
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