我正在使用 golang 调用 pppd ,然后在一段时间后将其杀死。但是,我以这种方式得到了很多已失效的进程。
这就是我运行 pppd 的方式
exec.Command("sh", "-c", "pppd call vpn").CombinedOutput()
这就是我杀死它的方式。
exec.Command("sh", "-c", "pkill pppd").CombinedOutput()
然后我得到了很多
root 31541 23536 0 10:54 ? 00:00:00 [pppd] <defunct>
root 31929 23356 0 10:55 ? 00:00:00 [pptpgw] <defunct>
root 31933 23356 0 10:55 ? 00:00:00 [pptpcm] <defunct>
root 31940 23356 0 10:55 ? 00:00:00 [pppd] <defunct>
root 31993 23536 0 10:55 ? 00:00:00 [pptpgw] <defunct>
root 31997 23536 0 10:55 ? 00:00:00 [pptpcm] <defunct>
root 31998 23536 0 10:55 ? 00:00:00 [pppd] <defunct>
root 32012 23356 0 10:55 ? 00:00:00 [pptpgw] <defunct>
root 32016 23356 0 10:55 ? 00:00:00 [pptpcm] <defunct>
root 32017 23356 0 10:56 ? 00:00:00 [pppd] <defunct>
root 32070 23536 0 10:56 ? 00:00:00 [pptpgw] <defunct>
root 32074 23536 0 10:56 ? 00:00:00 [pptpcm] <defunct>
root 32075 23536 0 10:56 ? 00:00:00 [pppd] <defunct>
root 32083 23356 0 10:56 ? 00:00:00 [pptpgw] <defunct>
root 32087 23356 0 10:56 ? 00:00:00 [pptpcm] <defunct>
root 32089 23356 0 10:56 ? 00:00:00 [pppd] <defunct>
root 32131 23536 0 10:57 ? 00:00:00 [pptpgw] <defunct>
root 32135 23536 0 10:57 ? 00:00:00 [pptpcm] <defunct>
root 32148 23536 0 10:57 ? 00:00:00 [pppd] <defunct>
root 32160 23356 0 10:57 ? 00:00:00 [pptpgw] <defunct>
root 32164 23356 0 10:57 ? 00:00:00 [pptpcm] <defunct>
root 32165 23356 0 10:57 ? 00:00:00 [pppd] <defunct>
root 32177 23536 0 10:57 ? 00:00:00 [pptpgw] <defunct>
root 32181 23536 0 10:57 ? 00:00:00 [pptpcm] <defunct>
我怎样才能避免失效的进程。