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__WAKE_UP(9) Driver Basics __WAKE_UP(9)

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

May 2018 Kernel Hackers Manual 3.16