95 lines
1.6 KiB
C
95 lines
1.6 KiB
C
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 17.07.2017
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*
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* Linux threading wrapper
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*
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*/
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// TODO(allen): Can this just be placed in UNIX? If so do that.
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// TOP
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#if !defined(LINUX_THREADING_WRAPPER)
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#define LINUX_THREADING_WRAPPER
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#define PLAT_THREAD_SIG(n) void* n(void *ptr)
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typedef PLAT_THREAD_SIG(Thread_Function);
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union Thread{
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pthread_t t;
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FixSize(THREAD_TYPE_SIZE);
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};
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union Mutex{
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pthread_mutex_t crit;
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FixSize(MUTEX_TYPE_SIZE);
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};
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union Condition_Variable{
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pthread_cond_t cv;
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FixSize(CONDITION_VARIABLE_TYPE_SIZE);
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};
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union Semaphore{
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sem_t s;
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FixSize(SEMAPHORE_TYPE_SIZE);
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};
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internal void
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system_init_and_launch_thread(Thread *t, Thread_Function *proc, void *ptr){
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pthread_create(&t->t, 0, proc, ptr);
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}
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internal void
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system_init_lock(Mutex *m){
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pthread_mutex_init(&m->crit, NULL);
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}
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internal void
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system_acquire_lock(Mutex *m){
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pthread_mutex_lock(&m->crit);
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}
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internal void
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system_release_lock(Mutex *m){
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pthread_mutex_unlock(&m->crit);
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}
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internal void
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system_init_cv(Condition_Variable *cv){
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pthread_cond_init(&cv->cv, NULL);
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}
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internal void
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system_wait_cv(Condition_Variable *cv, Mutex *m){
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pthread_cond_wait(&cv->cv, &m->crit);
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}
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internal void
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system_signal_cv(Condition_Variable *cv, Mutex *m){
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pthread_cond_signal(&cv->cv);
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}
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internal void
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system_init_semaphore(Semaphore *s, u32 count){
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sem_init(&s->s, 0, 0);
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}
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internal void
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system_wait_on_semaphore(Semaphore *s){
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sem_wait(&s->s);
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}
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internal void
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system_release_semaphore(Semaphore *s){
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sem_post(&s->s);
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}
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#endif
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// BOTTOM
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