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Re: [RFA] Checkpoint: wait the defunct process when delete it

From: Pedro Alves <pedro at codesourcery dot com>
To: gdb-patches at sourceware dot org
Cc: Michael Snyder <msnyder at vmware dot com>, Hui Zhu <teawater at gmail dot com>
Date: Wed, 12 May 2010 01:02:14 +0100
Subject: Re: [RFA] Checkpoint: wait the defunct process when delete it
References: <i2odaef60381005082323jf45a1b90h4f76e7767cfae9bc@mail.gmail.com> <201005110030.09328.pedro@codesourcery.com> <4BE9D122.1090803@vmware.com>

On Tuesday 11 May 2010 22:50:26, Michael Snyder wrote:
> Pedro Alves wrote:
> > On Sunday 09 May 2010 07:23:15, Hui Zhu wrote:
> > 
> >> I found that when we delete the checkpoint process, it keep defunct.
> >> This is because the parent process is still running and didn't wait
> >> it.
> >> So I add a wait_ptid function after ptrace kill.
> > 
> > You're assuming inferior_ptid is the parent process
> > of the checkpoint fork, but I don't believe that is always
> > true.  
> 
> Correct.  Maybe we should add a "parent ID" field to the
> internal checkpoint table?

Sure.

-- 
Pedro Alves

References:
- [RFA] Checkpoint: wait the defunct process when delete it
  - From: Hui Zhu
- Re: [RFA] Checkpoint: wait the defunct process when delete it
  - From: Pedro Alves
- Re: [RFA] Checkpoint: wait the defunct process when delete it
  - From: Michael Snyder

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