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WAKE_UP_ATOMIC_T(9) Driver Basics WAKE_UP_ATOMIC_T(9)

NAME

wake_up_atomic_t - Wake up a waiter on a atomic_t

SYNOPSIS

void wake_up_atomic_t(atomic_t * p);

ARGUMENTS

p
The atomic_t being waited on, a kernel virtual address

DESCRIPTION

Wake up anyone waiting for the atomic_t to go to zero.
Abuse the bit-waker function and its waitqueue hash table set (the atomic_t check is done by the waiter's wake function, not the by the waker itself).

COPYRIGHT

February 2017 Kernel Hackers Manual 3.16