Function pthread_mutex_timedlock_impl

src/bthread/mutex.cpp:982–985

#if HAS_PTHREAD_MUTEX_TIMEDLOCK
BUTIL_FORCE_INLINE int pthread_mutex_timedlock_impl(pthread_mutex_t* mutex,
                                                    const struct timespec* abstime) {
    return internal::pthread_mutex_lock_impl(mutex, abstime);
}
#endif // HAS_PTHREAD_MUTEX_TIMEDLOCK

BUTIL_FORCE_INLINE int pthread_mutex_unlock_impl(pthread_mutex_t* mutex) {