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os/dfs/one.go

25 lines
312 B
Go

// +build linux
package dfs
import (
"os"
"os/signal"
"syscall"
)
func PidOne() error {
c := make(chan os.Signal, 2048)
signal.Notify(c, syscall.SIGCHLD)
for range c {
for {
if pid, err := syscall.Wait4(-1, nil, syscall.WNOHANG, nil); err != nil || pid <= 0 {
break
}
}
}
return nil
}