From 04b08da9af0c450d645ab7389d1467308cfc2db8 Mon Sep 17 00:00:00 2001 From: Michael Stapelberg Date: Mon, 4 Mar 2013 21:27:36 +0100 Subject: Imported Upstream version 1.1~hg20130304 --- src/cmd/go/signal.go | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/cmd/go/signal.go (limited to 'src/cmd/go/signal.go') diff --git a/src/cmd/go/signal.go b/src/cmd/go/signal.go new file mode 100644 index 000000000..e8ba0d365 --- /dev/null +++ b/src/cmd/go/signal.go @@ -0,0 +1,31 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +import ( + "os" + "os/signal" + "sync" +) + +// interrupted is closed, if go process is interrupted. +var interrupted = make(chan struct{}) + +// processSignals setups signal handler. +func processSignals() { + sig := make(chan os.Signal) + signal.Notify(sig, signalsToIgnore...) + go func() { + <-sig + close(interrupted) + }() +} + +var onceProcessSignals sync.Once + +// startSigHandlers start signal handlers. +func startSigHandlers() { + onceProcessSignals.Do(processSignals) +} -- cgit v1.2.3