diff options
Diffstat (limited to 'src/pkg/os/signal/signal.go')
-rw-r--r-- | src/pkg/os/signal/signal.go | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/pkg/os/signal/signal.go b/src/pkg/os/signal/signal.go new file mode 100644 index 000000000..520f3f8a9 --- /dev/null +++ b/src/pkg/os/signal/signal.go @@ -0,0 +1,33 @@ +// Copyright 2009 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 signal implements operating system-independent signal handling. +package signal + +import ( + "os" + "runtime" +) + +// Incoming is the global signal channel. +// All signals received by the program will be delivered to this channel. +var Incoming <-chan os.Signal + +func process(ch chan<- os.Signal) { + for { + var mask uint32 = runtime.Sigrecv() + for sig := uint(0); sig < 32; sig++ { + if mask&(1<<sig) != 0 { + ch <- os.UnixSignal(sig) + } + } + } +} + +func init() { + runtime.Siginit() + ch := make(chan os.Signal) // Done here so Incoming can have type <-chan Signal + Incoming = ch + go process(ch) +} |