cf_atomic_ptr_cas¶

Atomically sets atomic to value if expected equals atomic.

CF_Result cf_atomic_ptr_cas(void** atomic, void* expected, void* value);

Parameters	Description
atomic	The pointer to atomically manipulate.
expected	Used to compare against `atomic`.
value	A value to atomically set to `atomic`.

Return Value¶

Returns success if the value was set, error otherwise.

Atomics are an advanced topic. You've been warned! Beej has a good article on atomics.