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https://github.com/golang/go
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53 lines
845 B
Go
53 lines
845 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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/*
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#include <signal.h>
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#include <pthread.h>
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// Raise SIGIO.
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static void CRaiseSIGIO(pthread_t* p) {
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pthread_kill(*p, SIGIO);
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}
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*/
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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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"sync/atomic"
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"syscall"
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)
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var sigioCount int32
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// Catch SIGIO.
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//export GoCatchSIGIO
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func GoCatchSIGIO() {
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c := make(chan os.Signal, 1)
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signal.Notify(c, syscall.SIGIO)
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go func() {
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for range c {
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atomic.AddInt32(&sigioCount, 1)
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}
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}()
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}
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// Raise SIGIO.
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//export GoRaiseSIGIO
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func GoRaiseSIGIO(p *C.pthread_t) {
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C.CRaiseSIGIO(p)
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}
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// Return the number of SIGIO signals seen.
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//export SIGIOCount
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func SIGIOCount() C.int {
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return C.int(atomic.LoadInt32(&sigioCount))
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}
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func main() {
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}
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