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WAIT_EVENT_KILLABLE(9) Driver Basics WAIT_EVENT_KILLABLE(9)
NAME
wait_event_killable - sleep until a condition gets true
SYNOPSIS
wait_event_killable(wq, condition);
ARGUMENTS
wq
the waitqueue to wait on
condition
a C expression for the event to wait for
DESCRIPTION
The process is put to sleep (TASK_KILLABLE) 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.
The function will return -ERESTARTSYS if it was interrupted by a signal
and 0 if condition evaluated to true.
COPYRIGHT
Kernel Hackers Manual 3.8. June 2014 WAIT_EVENT_KILLABLE(9)
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