Name
wait_event_cmd —
sleep until a condition gets true
Synopsis
wait_event_cmd ( | wq, |
| | condition, |
| | cmd1, |
| | cmd2); |
Arguments
wq
the waitqueue to wait on
condition
a C expression for the event to wait for
cmd1
the command will be executed before sleep
cmd2
the command will be executed after sleep
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.