ATOMIC_DEC_AND_TEST(9)                    Driver Basics                    ATOMIC_DEC_AND_TEST(9)



NAME
       atomic_dec_and_test - decrement and test

SYNOPSIS
       bool atomic_dec_and_test(atomic_t * v);

ARGUMENTS
       v
           pointer of type atomic_t

DESCRIPTION
       Atomically decrements v by 1 and returns true if the result is 0, or false for all other
       cases.

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