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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pthread.h>
#include <errno.h>
#include "macro.h"
#include "malloc.h"
#include "mutex.h"
struct sa_mutex {
pthread_mutex_t mutex;
};
struct sa_cond {
pthread_cond_t cond;
};
sa_mutex_t* sa_mutex_new(int recursive) {
sa_mutex_t *m;
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
if (recursive)
sa_assert_success(pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE));
if (!(m = sa_new(sa_mutex_t, 1)))
return NULL;
sa_assert_success(pthread_mutex_init(&m->mutex, &attr));
return m;
}
void sa_mutex_free(sa_mutex_t *m) {
sa_assert(m);
sa_assert_success(pthread_mutex_destroy(&m->mutex));
sa_free(m);
}
void sa_mutex_lock(sa_mutex_t *m) {
sa_assert(m);
sa_assert_success(pthread_mutex_lock(&m->mutex));
}
int sa_mutex_try_lock(sa_mutex_t *m) {
int e;
sa_assert(m);
if ((e = pthread_mutex_trylock(&m->mutex)) == 0)
return 1;
sa_assert(e == EBUSY);
return 0;
}
void sa_mutex_unlock(sa_mutex_t *m) {
sa_assert(m);
sa_assert_success(pthread_mutex_unlock(&m->mutex));
}
sa_cond_t *sa_cond_new(void) {
sa_cond_t *c;
if (!(c = sa_new(sa_cond_t, 1)))
return NULL;
sa_assert_success(pthread_cond_init(&c->cond, NULL));
return c;
}
void sa_cond_free(sa_cond_t *c) {
sa_assert(c);
sa_assert_success(pthread_cond_destroy(&c->cond));
sa_free(c);
}
void sa_cond_signal(sa_cond_t *c, int broadcast) {
sa_assert(c);
if (broadcast)
sa_assert_success(pthread_cond_broadcast(&c->cond));
else
sa_assert_success(pthread_cond_signal(&c->cond));
}
int sa_cond_wait(sa_cond_t *c, sa_mutex_t *m) {
sa_assert(c);
sa_assert(m);
return pthread_cond_wait(&c->cond, &m->mutex);
}
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