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https://github.com/golang/go
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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.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import "C"
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import (
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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// The channel used to read SIGIO signals.
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var sigioChan chan os.Signal
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// CatchSIGIO starts catching SIGIO signals.
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//export CatchSIGIO
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func CatchSIGIO() {
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sigioChan = make(chan os.Signal, 1)
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signal.Notify(sigioChan, syscall.SIGIO)
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}
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// ResetSIGIO stops catching SIGIO signals.
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//export ResetSIGIO
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func ResetSIGIO() {
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signal.Reset(syscall.SIGIO)
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}
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// SawSIGIO reports whether we saw a SIGIO.
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//export SawSIGIO
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func SawSIGIO() C.int {
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select {
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case <-sigioChan:
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return 1
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case <-time.After(5 * time.Second):
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return 0
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}
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}
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// ProvokeSIGPIPE provokes a kernel-initiated SIGPIPE.
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//export ProvokeSIGPIPE
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func ProvokeSIGPIPE() {
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r, w, err := os.Pipe()
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if err != nil {
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panic(err)
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}
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r.Close()
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defer w.Close()
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w.Write([]byte("some data"))
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}
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func main() {
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}
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