From 233f079a9479279d2aab68f4accb139ee87ad664 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Mon, 7 May 2018 22:27:03 +0200 Subject: Rewrite timers and related state machines --- signal.go | 71 --------------------------------------------------------------- 1 file changed, 71 deletions(-) delete mode 100644 signal.go (limited to 'signal.go') diff --git a/signal.go b/signal.go deleted file mode 100644 index 606da52..0000000 --- a/signal.go +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 - * - * Copyright (C) 2017-2018 Jason A. Donenfeld . All Rights Reserved. - */ - -package main - -func signalSend(s chan<- struct{}) { - select { - case s <- struct{}{}: - default: - } -} - -type Signal struct { - enabled AtomicBool - C chan struct{} -} - -func NewSignal() (s Signal) { - s.C = make(chan struct{}, 1) - s.Enable() - return -} - -func (s *Signal) Close() { - close(s.C) -} - -func (s *Signal) Disable() { - s.enabled.Set(false) - s.Clear() -} - -func (s *Signal) Enable() { - s.enabled.Set(true) -} - -/* Unblock exactly one listener - */ -func (s *Signal) Send() { - if s.enabled.Get() { - select { - case s.C <- struct{}{}: - default: - } - } -} - -/* Clear the signal if already fired - */ -func (s Signal) Clear() { - select { - case <-s.C: - default: - } -} - -/* Unblocks all listeners (forever) - */ -func (s Signal) Broadcast() { - if s.enabled.Get() { - close(s.C) - } -} - -/* Wait for the signal - */ -func (s Signal) Wait() chan struct{} { - return s.C -} -- cgit v1.2.3-59-g8ed1b