WAIT_FOR_COMPLETION_(9) Driver Basics WAIT_FOR_COMPLETION_(9)NAMEwait_for_completion_interruptible_timeout - waits for completion
(w/(to,intr))
SYNOPSIS
long __sched
wait_for_completion_interruptible_timeout(struct completion * x,
unsigned long timeout);
ARGUMENTS
x
holds the state of this particular completion
timeout
timeout value in jiffies
DESCRIPTION
This waits for either a completion of a specific task to be signaled or
for a specified timeout to expire. It is interruptible. The timeout is
in jiffies.
RETURN-ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1, or
number of jiffies left till timeout) if completed.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 WAIT_FOR_COMPLETION_(9)