1. NAME▲

wait_event_killable - sleep until a condition gets true

2. SYNOPSIS ▲

wait_event_killable( wq , condition );

3. ARGUMENTS ▲

wq
    the waitqueue to wait on

condition
    a C expression for the event to wait for

4. 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.

5. COPYRIGHT ▲