#35894 [Opn]: php-imap doesn't trap USR2 when mailbox is locked

From: Date: Thu, 05 Jan 2006 00:01:07 +0000
Subject: #35894 [Opn]: php-imap doesn't trap USR2 when mailbox is locked
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-91514@lists.php.net to get a copy of this message 
 ID:               35894
 Updated by:       sniper@php.net
 Reported By:      jik at kamens dot brookline dot ma dot us
 Status:           Open
 Bug Type:         IMAP related
 Operating System: Linux
 PHP Version:      5.1.1
 New Comment:

I get the same notices, which seem quite harmless anyway. And your
patch did not make any difference whatsoever.



Previous Comments:
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[2006-01-04 21:53:23] jik at kamens dot brookline dot ma dot us

libc-client-2002e-18.1 RPM from Fedora Core.  I checked the current
c-client sources from washington.edu and they seem susceptible to this
problem as well, judging from an examination of the source code.  The
USR2 functionality has been in c-client since 1993, as far as I can
tell.

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[2006-01-04 21:49:48] sniper@php.net

Exactly what c-client version you linked PHP with?
And how was it compiled?

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[2006-01-04 21:14:14] jik at kamens dot brookline dot ma dot us

There's a patch which makes this problem go away at
http://stuff.mit.edu/~jik/php-5.1.1-imap-usr2.patch.txt.
 However,
rather than using the #if statement I used to figure out whether to
enable the relevant code, you may want to insert a check for the
function arm_signal in the c-client library in the configure script,
define a cpp symbol if the function exists, and use my code if that cpp
symbol is defined.

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[2006-01-04 19:59:55] tony2001@php.net

>Did you run the script twice at the same time as I said in my report?

Yes. And the mailbox is not empty.

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[2006-01-04 19:53:02] jik at kamens dot brookline dot ma dot us

Also, let me remind you that it won't happen if the mailbox file is
empty; it needs to have messages in it, or c-client won't lock it.

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the rest of the comments, please view the bug report online at
    http://bugs.php.net/35894

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