mirror of
https://github.com/golang/go
synced 2024-11-07 17:56:21 -07:00
53 lines
845 B
Go
53 lines
845 B
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
|
||
|
|
|
||
|
|
/*
|
||
|
|
#include <signal.h>
|
||
|
|
#include <pthread.h>
|
||
|
|
|
||
|
|
// Raise SIGIO.
|
||
|
|
static void CRaiseSIGIO(pthread_t* p) {
|
||
|
|
pthread_kill(*p, SIGIO);
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
import "C"
|
||
|
|
|
||
|
|
import (
|
||
|
|
"os"
|
||
|
|
"os/signal"
|
||
|
|
"sync/atomic"
|
||
|
|
"syscall"
|
||
|
|
)
|
||
|
|
|
||
|
|
var sigioCount int32
|
||
|
|
|
||
|
|
// Catch SIGIO.
|
||
|
|
//export GoCatchSIGIO
|
||
|
|
func GoCatchSIGIO() {
|
||
|
|
c := make(chan os.Signal, 1)
|
||
|
|
signal.Notify(c, syscall.SIGIO)
|
||
|
|
go func() {
|
||
|
|
for range c {
|
||
|
|
atomic.AddInt32(&sigioCount, 1)
|
||
|
|
}
|
||
|
|
}()
|
||
|
|
}
|
||
|
|
|
||
|
|
// Raise SIGIO.
|
||
|
|
//export GoRaiseSIGIO
|
||
|
|
func GoRaiseSIGIO(p *C.pthread_t) {
|
||
|
|
C.CRaiseSIGIO(p)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Return the number of SIGIO signals seen.
|
||
|
|
//export SIGIOCount
|
||
|
|
func SIGIOCount() C.int {
|
||
|
|
return C.int(atomic.LoadInt32(&sigioCount))
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
}
|