WebNAME pthread_rwlock_unlock - unlock a read-write lock object SYNOPSIS #include int pthread_rwlock_unlock(pthread_rwlock_t *rwlock); DESCRIPTION The … WebThe pthread_rwlock_unlock () function shall release a lock held on the read-write lock object referenced by rwlock. Results are undefined if the read-write lock rwlock is not held by the calling thread.
pthreads(7): POSIX threads - Linux man page - die.net
WebReleases a mutex object. If one or more threads are waiting to lock the mutex, pthread_mutex_unlock () causes one of those threads to return from pthread_mutex_lock … WebIf no threads are waiting for the rwlock, the rwlock unlocks with no current owner. Returned value If successful, pthread_rwlock_unlock () returns 0. If unsuccessful, pthread_rwlock_unlock () returns -1 and sets errno to one of the following values: Error Code Description EINVAL The value specified for rwlock is not valid. ENOMEM katz hardware square folding card table
关于pthread:同时使用两个条件变量 码农家园
WebApr 15, 2024 · 行人 - 机动 车问题. 假设有一个路口,有很多行人和机动车需要通过,通行交通规则如下:允许多个行人同时通过这个路口,但在任何时候如果有一辆机动车通过,那 … Web2 days ago · typedef struct s_data { pthread_mutex_t *left_fork; //* pointer to the left fork pthread_mutex_t *right_fork; //* pointer to the right fork u_int64_t last_eaten; //* time when the philosopher last ate t_philo *philo; //* links to the philo struct int id; //* id of the philosopher int dead; //* 1 if the philosopher is dead int is_eating; //* 1 if … Webpthread_rwlock_unlock () — Unlock a read or write lock object Standards. Format. General description. The pthread_rwlock_unlock () function releases a read or write lock object. If … katz executive in residence