table of contents
| ATOMIC64_XCHG(9) | Driver Basics | ATOMIC64_XCHG(9) |
NAME¶
atomic64_xchg - xchg atomic64 variable
SYNOPSIS¶
u64 atomic64_xchg(atomic64_t * ptr, u64 new_val);
ARGUMENTS¶
ptr
pointer to type atomic64_t
new_val
value to assign
DESCRIPTION¶
Atomically xchgs the value of ptr to new_val and returns the old value.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |