ATOMIC64_DEC_AND_TES(9) Driver Basics ATOMIC64_DEC_AND_TES(9)

NAME atomic64_dec_and_test - decrement and test

SYNOPSIS int atomic64_dec_and_test(atomic64_t * ptr);

ARGUMENTS ptr pointer to type atomic64_t

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

COPYRIGHT Kernel Hackers Manual 2.6. July 2015 ATOMIC64_DEC_AND_TES(9)