ATOMIC_DEC(9)                             Driver Basics                             ATOMIC_DEC(9)



NAME
       atomic_dec - decrement atomic variable

SYNOPSIS
       void atomic_dec(atomic_t * v);

ARGUMENTS
       v
           pointer of type atomic_t

DESCRIPTION
       Atomically decrements v by 1.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                             ATOMIC_DEC(9)