Linux多线程实践(8) --Posix条件变量解决生产者消费者问题

Posix条件变量

int pthread_cond_init(pthread_cond_t *cond, pthread_condattr_t *cond_attr);
int pthread_cond_destroy(pthread_cond_t *cond);

int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
int pthread_cond_timedwait(pthread_cond_t *cond,  pthread_mutex_t  *mutex,  const  struct timespec *abstime);

int pthread_cond_signal(pthread_cond_t *cond);
int pthread_cond_broadcast(pthread_cond_t *cond);int pthread_cond_init(pthread