mirror of
https://github.com/golang/go
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45 lines
815 B
Go
45 lines
815 B
Go
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// 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 returns whether we saw a SIGIO within a brief pause.
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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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