Scroll to navigation

ATOMIC_ADD_UNLESS(9) Driver Basics ATOMIC_ADD_UNLESS(9)

NAME

atomic_add_unless - add unless the number is already a given value

SYNOPSIS

int atomic_add_unless(atomic_t * v, int a, int u);

ARGUMENTS

v

pointer of type atomic_t

a

the amount to add to v...

u

...unless v is equal to u.

DESCRIPTION

Atomically adds a to v, so long as v was not already u. Returns non-zero if v was not u, and zero otherwise.

COPYRIGHT

May 2024 Kernel Hackers Manual 2.6.