timedwait(2) - phpMan

pthread_cond_timedwait (3p) - wait on a condition
rt_sigtimedwait (2)  - synchronously wait for queued signals
sem_timedwait (3)    - lock a semaphore
sem_timedwait (3p)   - lock a semaphore (ADVANCED REALTIME)
sigtimedwait (2)     - synchronously wait for queued signals
sigtimedwait (3p)    - wait for queued signals (REALTIME)