38 pthread_barrier_init(pthread_barrier_t *restrict barrier,  in pthread_barrier_init()  argument
46   if (pthread_mutex_init(&barrier->mutex, 0) < 0) {  in pthread_barrier_init()
49   if (pthread_cond_init(&barrier->cond, 0) < 0) {  in pthread_barrier_init()
51     pthread_mutex_destroy(&barrier->mutex);  in pthread_barrier_init()
56   barrier->limit = count;  in pthread_barrier_init()
57   barrier->count = 0;  in pthread_barrier_init()
58   barrier->phase = 0;  in pthread_barrier_init()
64 pthread_barrier_destroy(pthread_barrier_t *barrier) {  in pthread_barrier_destroy()  argument
65   pthread_mutex_destroy(&barrier->mutex);  in pthread_barrier_destroy()
66   pthread_cond_destroy(&barrier->cond);  in pthread_barrier_destroy()
71 pthread_barrier_wait(pthread_barrier_t *barrier) {  in pthread_barrier_wait()  argument
72   pthread_mutex_lock(&barrier->mutex);  in pthread_barrier_wait()
73   barrier->count++;  in pthread_barrier_wait()
74   if (barrier->count >= barrier->limit) {  in pthread_barrier_wait()
75     barrier->phase++;  in pthread_barrier_wait()
76     barrier->count = 0;  in pthread_barrier_wait()
77     pthread_cond_broadcast(&barrier->cond);  in pthread_barrier_wait()
78     pthread_mutex_unlock(&barrier->mutex);  in pthread_barrier_wait()
81     unsigned phase = barrier->phase;  in pthread_barrier_wait()
83       pthread_cond_wait(&barrier->cond, &barrier->mutex);  in pthread_barrier_wait()
84     while (phase == barrier->phase);  in pthread_barrier_wait()
85     pthread_mutex_unlock(&barrier->mutex);  in pthread_barrier_wait()