table of contents
| ATOMIC64_SUB(9) | Driver Basics | ATOMIC64_SUB(9) |
NAME¶
atomic64_sub - subtract the atomic64 variable
SYNOPSIS¶
void atomic64_sub(u64 delta, atomic64_t * ptr);
ARGUMENTS¶
delta
integer value to subtract
ptr
pointer to type atomic64_t
DESCRIPTION¶
Atomically subtracts delta from ptr.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |