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

-- undescribed --

cmd2

-- undescribed --

cmd1

the command will be executed before sleep

cmd2

the command will be executed after sleep

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.