atomic_sub(9) centos man page | unix.com

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 3.10					     June 2014							     ATOMIC_SUB(9)