class Async::Scheduler

def process_wait(pid, flags)

@asynchronous May be non-blocking..
@returns [Process::Status] A process status instance.
@parameter flags [Integer] A bit-mask of flags suitable for `Process::Status.wait`.
@parameter pid [Integer] The process ID to wait for.
Wait for the specified process ID to exit. 
def process_wait(pid, flags)
	return @selector.process_wait(Fiber.current, pid, flags)
end