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WAIT_FOR_COMPLETION_(9) | Driver Basics | WAIT_FOR_COMPLETION_(9) |
NAME¶
wait_for_completion_timeout - waits for completion of a task (w/timeout)SYNOPSIS¶
unsigned
long __sched
wait_for_completion_timeout(struct completion * x,
unsigned long timeout);
ARGUMENTS¶
xholds 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. The timeout is in jiffies. It is not interruptible. The return value is 0 if timed out, and positive (at least 1, or number of jiffies left till timeout) if completed.COPYRIGHT¶
March 2016 | Kernel Hackers Manual 3.2. |