42 lines
592 B
Go
42 lines
592 B
Go
// +build linux darwin
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package main
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import (
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"log"
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"os"
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"os/signal"
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"syscall"
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)
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func init() {
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go watchChildSignal()
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}
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func watchChildSignal() {
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var sigs = make(chan os.Signal, 3)
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signal.Notify(sigs, syscall.SIGCHLD)
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for {
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<-sigs
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reapChildren()
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}
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}
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func reapChildren() {
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for {
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var wstatus syscall.WaitStatus
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wpid, err := syscall.Wait4(-1, &wstatus, syscall.WNOHANG, nil)
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if err != nil {
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log.Printf("syscall.Wait4 call failed: %v", err)
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break
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}
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if wpid != 0 {
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log.Printf("reap dead child: %d, wstatus: %#08x", wpid, wstatus)
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} else {
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break
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}
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}
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}
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