wait_for_completion_killable_timeout9
Waits for completion of a task (w/(to,killable))
Usage
long __sched wait_for_completion_killable_timeout(struct completion * x, unsigned long timeout);
Arguments
x
holds the state of this particular completion
timeout
timeout value in jiffies
Overview
This waits for either a completion of a specific task to be signaled or for a specified timeout to expire. It can be interrupted by a kill signal. The timeout is in jiffies.
The return value is -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1, or number of jiffies left till timeout) if completed.