Function swiss_army_knife::intel_hardware_lock_elision::__hle_acquire_exchange_n1 [−][src]
pub unsafe fn __hle_acquire_exchange_n1(ptr: *mut u8, val: u8) -> u8
Expand description
Atomically exchange (swap) val
for the content of ptr
and return the previous content of ptr
with ‘HLE Acquire’ memory ordering.