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From: "Bráulio Bhavamitra" <braulio@eita.org.br>
To: Eric Wong <e@80x24.org>
Cc: unicorn-public <unicorn-public@bogomips.org>
Subject: Re: Does the the environment is preserved on USR2?
Date: Fri, 26 Jun 2015 20:38:30 -0300	[thread overview]
Message-ID: <CAJri6_s5esHh1be2thB6S+7ag5nHpSYwwY1hH0vaArPsY=k4iQ@mail.gmail.com> (raw)
In-Reply-To: <20150626231412.GB10361@dcvr.yhbt.net>

On Fri, Jun 26, 2015 at 8:14 PM, Eric Wong <e@80x24.org> wrote:
> Eric Wong <e@80x24.org> wrote:
>> USR2 should not change environment variables besides UNICORN_FD
>> and PWD (if working_directory is used).
>>
>> On most Linux versions, you can check the initial environment of a
>> running process by inspecting the environ file for the process:
>>
>>       tr '\0' '\n' < /proc/$PID/environ
>>
>> This may not reflect environment changes after the process is started.
>
> Actually, I noticed this doesn't even reflect ENV changes on
> fork from Ruby (but system("env") displays the correct result
> from a forked process) using Linux 4.0.6
>
>> However, you can use ENV inside Ruby code to check that.  Maybe add a
>> private Rack endpoint to show ENV.inspect output to your app to check
>> this...
>
> So use ENV from Ruby instead :)

Thanks Eric, will try this!

      reply	other threads:[~2015-06-26 23:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-26 22:18 Does the the environment is preserved on USR2? Bráulio Bhavamitra
2015-06-26 22:31 ` Eric Wong
2015-06-26 23:14   ` Eric Wong
2015-06-26 23:38     ` Bráulio Bhavamitra [this message]

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