Query: wait_event_timeout
OS: centos
Section: 9
Links: centos man pages all man pages forum categories
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WAIT_EVENT_TIMEOUT(9) Driver Basics WAIT_EVENT_TIMEOUT(9)NAMEwait_event_timeout - sleep until a condition gets true or a timeout elapsesSYNOPSISwait_event_timeout(wq, condition, timeout);ARGUMENTSwq the waitqueue to wait on condition a C expression for the event to wait for timeout timeout, in jiffiesDESCRIPTIONThe process is put to sleep (TASK_UNINTERRUPTIBLE) until the condition evaluates to true. The condition is checked each time the waitqueue wq is woken up. wake_up has to be called after changing any variable that could change the result of the wait condition. The function returns 0 if the timeout elapsed, or the remaining jiffies (at least 1) if the condition evaluated to true before the timeout elapsed.COPYRIGHTKernel Hackers Manual 3.10 June 2014 WAIT_EVENT_TIMEOUT(9)