table of contents
other versions
- jessie 3.16.56-1+deb8u1
WAIT_EVENT_CMD(9) | Driver Basics | WAIT_EVENT_CMD(9) |
NAME¶
wait_event_cmd - sleep until a condition gets trueSYNOPSIS¶
wait_event_cmd(wq, condition,
cmd1, cmd2);
ARGUMENTS¶
wqthe 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.COPYRIGHT¶
May 2018 | Kernel Hackers Manual 3.16 |