Re: Status = 2943 from waitpid?

From	Rainer Weikusat <rweikusat@mssgmbh.com>
Newsgroups	comp.os.linux.development.apps, comp.os.linux.development.system
Subject	Re: Status = 2943 from waitpid?
Date	2011-06-10 15:04 +0100
Message-ID	<878vt93hr6.fsf@sapphire.mobileactivedefense.com> (permalink)
References	<033817d4-c109-4d37-a476-f7710b7ed829@a10g2000vbz.googlegroups.com> <8739jjnp6k.fsf@sapphire.mobileactivedefense.com> <f8e3e01b-410b-4e9c-bce9-fabbc95ae332@s16g2000prf.googlegroups.com>

Cross-posted to 2 groups.

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Shankar <shankarke@gmail.com> writes:
> On Jun 9, 8:51 am, Rainer Weikusat <rweiku...@mssgmbh.com> wrote:
>> Jeffrey Walton <noloa...@gmail.com> writes:
>> > I'm ptrace'ing a process. After fork/exec and then a wait on the
>> > child, I'm getting a status of 2943. I'm testing for failure, but
>> > waitpid reports non-failure. I've looked in <sys/wait.h>, but the
>> > value 2943 is not defined and does not appear to be a bit mask.
>>
>> > Any ideas on where I should look?
>>
>
> You can just right shift the status by 8 and get the actual status.

No. Provided the lower order byte has a value of 0, you can do that.

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Status = 2943 from waitpid? Jeffrey Walton <noloader@gmail.com> - 2011-06-08 21:57 -0700
  Re: Status = 2943 from waitpid? pacman@kosh.dhis.org (Alan Curry) - 2011-06-09 06:03 +0000
    Re: Status = 2943 from waitpid? Jeffrey Walton <noloader@gmail.com> - 2011-06-09 05:27 -0700
  Re: Status = 2943 from waitpid? Rainer Weikusat <rweikusat@mssgmbh.com> - 2011-06-09 13:51 +0100
    Re: Status = 2943 from waitpid? Shankar <shankarke@gmail.com> - 2011-06-09 23:25 -0700
      Re: Status = 2943 from waitpid? Rainer Weikusat <rweikusat@mssgmbh.com> - 2011-06-10 15:04 +0100

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