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7b1e0bb79c
Change-Id: I5d02279d0593a8368b2f249a6b53650b89aed7b7 Reviewed-on: https://go-review.googlesource.com/c/go/+/482275 Reviewed-by: David Chase <drchase@google.com> Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com> Auto-Submit: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org>
48 lines
824 B
Go
48 lines
824 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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//
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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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//
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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 returns whether we saw a SIGIO within a brief pause.
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//
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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(100 * time.Millisecond):
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return 0
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}
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}
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func main() {
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}
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