When you call pthread_mutex_trylock() you'll attempt to lock the mutex.

调用 pthread_mutex_trylock() 时将尝试锁定互斥对象。

youdao

If possible, just design your program never to re-lock a mutex it already has.

如果可能，在设计程序时决不要锁定一个已经锁定的互斥量。

youdao

If possible, just design your program never to re-lock a mutex it already has.

如果可能，在设计程序时决不要锁定一个已经锁定的互斥量。

youdao