atomic_add_unless9
Add unless the number is already a given value
Usage
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.
Overview
Atomically adds a to v, so long as v was not already u. Returns non-zero if v was not u, and zero otherwise.
Releases
3 releases since Debian 4.0 (Etch); the text changed 2 times.