Name
wait_event_interruptible_timeout —
sleep until a condition gets true or a timeout elapses
Synopsis
fsfuncwait_event_interruptible_timeout ( | wq, |
| | condition, |
| | timeout); |
Arguments
wq
the waitqueue to wait on
condition
a C expression for the event to wait for
timeout
timeout, in jiffies
Description
The process is put to sleep (TASK_INTERRUPTIBLE) until the
condition evaluates to true or a signal is received.
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.
Returns
0 if the timeout elapsed, -ERESTARTSYS if it was interrupted by
a signal, or the remaining jiffies (at least 1) if the condition
evaluated to true before the timeout elapsed.