atomic_add_negative
Name
atomic_add_negative -- add and test if negative
Synopsis
int atomic_add_negative
(int i, atomic_t * v);
Arguments
i
integer value to add
v
pointer of type atomic_t
Description
Atomically adds i
to v
and returns true
if the result is negative, or false when
result is greater than or equal to zero. Note that the guaranteed
useful range of an atomic_t is only 24 bits.