Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!swrinde!cs.utexas.edu!asuvax!ukma!kherron
From: kherron@ms.uky.edu (Kenneth Herron)
Newsgroups: comp.unix.questions
Subject: Re: How can a child detect the death of its parent
Message-ID: <1991Jun7.020043.2822@ms.uky.edu>
Date: 7 Jun 91 02:00:43 GMT
References: <298@wimpy.nms.gdc.portal.com>
Distribution: na
Organization: University Of Kentucky, Dept. of Math Sciences
Lines: 12

bergquis@nms.gdc.portal.com (Brett Bergquist) writes:

>I know how to detect the death of the child process using SIGCLD in the parent,
>but how can I detect the death of the parent process in the child?

You can check your PPID (parent's process ID) and see if it has changed
to 1.  PPID should never start out 1 from a child process.
-- 
Kenneth Herron                                            kherron@ms.uky.edu
University of Kentucky                                       +1 606 257 2975
Department of Mathematics       "So this won't be a total loss, can you make
         it so guys get to throw their mothers-in-law in?"  "Sure, why not?"