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

From: Michael Snyder <msnyder at vmware dot com>
To: Pedro Alves <pedro at codesourcery dot com>
Cc: "gdb-patches at sourceware dot org" <gdb-patches at sourceware dot org>, Hui Zhu <teawater at gmail dot com>
Date: Tue, 11 May 2010 14:50:26 -0700
Subject: Re: [RFA] Checkpoint: wait the defunct process when delete it
References: <i2odaef60381005082323jf45a1b90h4f76e7767cfae9bc@mail.gmail.com> <201005110030.09328.pedro@codesourcery.com>

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?

Follow-Ups:
- Re: [RFA] Checkpoint: wait the defunct process when delete it
  - From: Michael Snyder
- Re: [RFA] Checkpoint: wait the defunct process when delete it
  - From: 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

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