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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