ATOMIC_SUB_RETURN(9) Driver Basics ATOMIC_SUB_RETURN(9)NAMEatomic_sub_return - subtract integer and return
SYNOPSIS
int atomic_sub_return(int i, atomic_t * v);
ARGUMENTS
i
integer value to subtract
v
pointer of type atomic_t
DESCRIPTION
Atomically subtracts i from v and returns v - i
COPYRIGHTKernel Hackers Manual 3.8. June 2014 ATOMIC_SUB_RETURN(9)