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__wake_up
Langue: en
Version: October 2010 (fedora - 01/12/10)
Section: 9 (Appels noyau Linux)
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.
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