# Condition variable
class PthreadCond
	super FinalizableOnce

	private var native = new NativePthreadCond

	# Destroy `self`
	redef fun finalize_once do native.destroy

	# Signal at least one thread waiting to wake up
	fun signal: Int do return native.signal

	# Signal all the waiting threads to wake up
	fun broadcast do native.broadcast

	# Make the current thread waiting for a signal ( `mutex` should be locked)
	fun wait(mutex: Mutex) do native.wait(mutex.native.as(not null))
end