__WAKE_UP
Section: Driver Basics (9)
Updated: February 2011
Index
Return to Main Contents
NAME
__wake_up - wake up threads blocked on a waitqueue.
SYNOPSIS
-
void __wake_up(wait_queue_head_t * q, unsigned int mode, int nr_exclusive, void * key);
ARGUMENTS
q
-
- the waitqueue
mode
-
which threads
nr_exclusive
-
how many wake-one or wake-many threads to wake up
key
-
is directly passed to the wakeup function
DESCRIPTION
It may be assumed that this function implies a write memory barrier before changing the task state if and only if any tasks are woken up.
COPYRIGHT