ATOMIC_SUB_AND_TEST(9) Driver Basics ATOMIC_SUB_AND_TEST(9)

NAME atomic_sub_and_test - subtract value from variable and test result

SYNOPSIS int atomic_sub_and_test(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 true if the result is zero, or false for all other cases.

COPYRIGHT Kernel Hackers Manual 2.6. January 2013 ATOMIC_SUB_AND_TEST(9)