ATOMIC_SUB(9) Driver Basics ATOMIC_SUB(9)
NAME atomic_sub - subtract integer from atomic variable
SYNOPSIS void atomic_sub(int i, atomic_t * v);
ARGUMENTS i integer value to subtract
v pointer of type atomic_t
DESCRIPTION Atomically subtracts i from v.
COPYRIGHT Kernel Hackers Manual 2.6. July 2015 ATOMIC_SUB(9)