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libgo5.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) } // 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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