mirror of
https://github.com/golang/go
synced 2024-11-08 18:16:10 -07:00
13d9a29060
Updates #30228 Change-Id: I830e3c83416b2e5744f30d1a903a74c50462716b Reviewed-on: https://go-review.googlesource.com/c/163210 Run-TryBot: Bryan C. Mills <bcmills@google.com> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Jay Conrod <jayconrod@google.com>
57 lines
1008 B
Go
57 lines
1008 B
Go
// Copyright 2015 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 "C"
|
|
|
|
import (
|
|
"os"
|
|
"os/signal"
|
|
"syscall"
|
|
"time"
|
|
)
|
|
|
|
// The channel used to read SIGIO signals.
|
|
var sigioChan chan os.Signal
|
|
|
|
// CatchSIGIO starts catching SIGIO signals.
|
|
//export CatchSIGIO
|
|
func CatchSIGIO() {
|
|
sigioChan = make(chan os.Signal, 1)
|
|
signal.Notify(sigioChan, syscall.SIGIO)
|
|
}
|
|
|
|
// ResetSIGIO stops catching SIGIO signals.
|
|
//export ResetSIGIO
|
|
func ResetSIGIO() {
|
|
signal.Reset(syscall.SIGIO)
|
|
}
|
|
|
|
// SawSIGIO reports whether we saw a SIGIO.
|
|
//export SawSIGIO
|
|
func SawSIGIO() C.int {
|
|
select {
|
|
case <-sigioChan:
|
|
return 1
|
|
case <-time.After(5 * time.Second):
|
|
return 0
|
|
}
|
|
}
|
|
|
|
// ProvokeSIGPIPE provokes a kernel-initiated SIGPIPE.
|
|
//export ProvokeSIGPIPE
|
|
func ProvokeSIGPIPE() {
|
|
r, w, err := os.Pipe()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
r.Close()
|
|
defer w.Close()
|
|
w.Write([]byte("some data"))
|
|
}
|
|
|
|
func main() {
|
|
}
|