diff options
Diffstat (limited to 'gcc-4.7/libgo/go/os/signal/signal_unix.go')
-rw-r--r-- | gcc-4.7/libgo/go/os/signal/signal_unix.go | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.7/libgo/go/os/signal/signal_unix.go b/gcc-4.7/libgo/go/os/signal/signal_unix.go new file mode 100644 index 000000000..20ee5f26a --- /dev/null +++ b/gcc-4.7/libgo/go/os/signal/signal_unix.go @@ -0,0 +1,38 @@ +// 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. + +// +build darwin freebsd linux netbsd openbsd windows + +package signal + +import ( + "os" + "syscall" +) + +// In assembly. +func signal_enable(uint32) +func signal_recv() uint32 + +func loop() { + for { + process(syscall.Signal(signal_recv())) + } +} + +func init() { + signal_enable(0) // first call - initialize + go loop() +} + +func enableSignal(sig os.Signal) { + switch sig := sig.(type) { + case nil: + signal_enable(^uint32(0)) + case syscall.Signal: + signal_enable(uint32(sig)) + default: + // Can ignore: this signal (whatever it is) will never come in. + } +} |