Name
atomic64_sub_and_test —
subtract value from variable and test result
Synopsis
int atomic64_sub_and_test ( | u64 delta, |
| | atomic64_t * ptr); |
Arguments
delta
integer value to subtract
ptr
pointer to type atomic64_t
Description
Atomically subtracts delta from ptr and returns
true if the result is zero, or false for all
other cases.