ATOMIC64_ADD_NEGATIV(9) Driver Basics ATOMIC64_ADD_NEGATIV(9)

NAME atomic64_add_negative - add and test if negative

SYNOPSIS int atomic64_add_negative(u64 delta, atomic64_t * ptr);

ARGUMENTS delta integer value to add

ptr pointer to type atomic64_t

DESCRIPTION Atomically adds delta to ptr and returns true if the result is negative, or false when result is greater than or equal to zero.

COPYRIGHT Kernel Hackers Manual 2.6. July 2015 ATOMIC64_ADD_NEGATIV(9)