table of contents
| ATOMIC64_SUB_AND_TES(9) | Driver Basics | ATOMIC64_SUB_AND_TES(9) |
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.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |