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io.popen报信
dhuib.yoyo
请教大家：
在调用
io.popen() close()
后
error.log
报以下错误。在
centos
两个版本下信息不同。
执行结果是成功的，是否可以忽略这个信息。
2017/11/13 14:26:22 [notice] 112085#0: signal 17 (SIGCHLD) received
2017/11/13 14:26:22 [info] 112085#0: waitpid() failed (10: No child processes)
