WAIT_EVENT(9) Driver Basics WAIT_EVENT(9)
NAME
wait_event - sleep until a condition gets true
SYNOPSIS
wait_event(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_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.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 WAIT_EVENT(9)
