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e36aeda | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | // 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)
}
// AwaitSIGIO blocks indefinitely until a SIGIO is reported.
//
//export AwaitSIGIO
func AwaitSIGIO() {
<-sigioChan
}
// SawSIGIO reports whether we saw a SIGIO within a brief pause.
//
//export SawSIGIO
func SawSIGIO() bool {
timer := time.NewTimer(100 * time.Millisecond)
select {
case <-sigioChan:
timer.Stop()
return true
case <-timer.C:
return false
}
}
func main() {
}
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