Bug #44994 [Csd]: exec() produces zombie processes on Windows, hangs Apache

From: Date: Mon, 10 Oct 2011 17:08:57 +0000
Subject: Bug #44994 [Csd]: exec() produces zombie processes on Windows, hangs Apache
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-164210@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=44994&edit=1

 ID:                 44994
 Updated by:         pajoye@php.net
 Reported by:        dbarrett at vistaprint dot com
 Summary:            exec() produces zombie processes on Windows, hangs
                     Apache
 Status:             Closed
 Type:               Bug
 Package:            Program Execution
 Operating System:   win32 only - 2003 Server, 64-bit
 PHP Version:        5.2.6
 Assigned To:        pajoye
 Block user comment: N
 Private report:     N

 New Comment:

@jameslively at insightbb dot com

What do you see exactly? Can you provide a small script and the cmd you use to 
test?


Previous Comments:
------------------------------------------------------------------------
[2011-10-10 15:31:25] jameslively at insightbb dot com

I am still seeing this issue on PHP 5.3.8.  I am running the site on Windows 2k3 sp3 and Apache 2.2.

------------------------------------------------------------------------
[2011-05-05 18:09:25] pajoye@php.net

Fixed in 5.3.x

------------------------------------------------------------------------
[2011-05-05 17:52:08] php at mmtbb dot com

Testing on PHP v5.3.1 (installed with XAMPP), I'm able to run 50 concurrent popen requests
without any fault. All processes terminate after completion.

I understand that the popen() and exec() were both experiencing this issue in the past, the 5.3.x
line seems to resolve the issue.

------------------------------------------------------------------------
[2010-01-06 17:35:17] patrick dot bueker at triangle-solutions dot de

I once had the problem too. I had the feeling that it has something to do with threadsafe or
non-threadsafe versions of PHP. I still have the problem on some installations, others work.

------------------------------------------------------------------------
[2009-09-01 18:42:09] garretts@php.net

I'm trying to come up with a reproducible test case for this bug.

If anyone has a complete test scenario for this please post it. I simply can't replicate the
effects here.

G

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