func OrUint32(addr *uint32, mask uint32) (old uint32)

// OrInt64 atomically performs a bitwise OR operation on *addr using the bitmask provided as mask
// and returns the old value.
// Consider using the more ergonomic and less error-prone [Int64.Or] instead.
func OrInt64(addr *int64, mask int64) (old int64)

// OrUint64 atomically performs a bitwise OR operation on *addr using the bitmask provided as mask