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pdu/isPidExist.py

Created April 12, 2013 01:24
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python判断一个进程是死是活，kill 0不真正发送信号，但是会检查进程的错误。http://linux.die.net/man/2/kill
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isPidExist.py
import os, errno
def isExist(pid):
try:
os.kill(pid, 0)
return True
except OSError, e:
if e.errno == errno.ESRCH:
return False
else
return True
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