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Posted to dev@qpid.apache.org by "Paul Colby (JIRA)" <ji...@apache.org> on 2011/07/16 03:30:00 UTC
[jira] [Commented] (QPID-3027) PHP binding of Qpid Messaging API
[ https://issues.apache.org/jira/browse/QPID-3027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13066339#comment-13066339 ]
Paul Colby commented on QPID-3027:
----------------------------------
This is very strange error... the crash happens while destructing static objects in the libqpidmessaging library, and seems to be timing-related... ie only happens if the Qpid Messaging library is loaded and then unloaded very quickly.
However, the problem does not happen if the Qpid Messaging library is built using CMake instead of Autotools. Moreover, it doesn't matter if the cqpid PHP library is built via CMake or Autotools - the crash still happens in libqpidmessaging or not depending on whether or not *that* library was built via Autotools or CMake.
Of course, that observation may also just be related to subtle differences in timing. But either way, the problem seems to be with the destruction of very-recently-created static objects within libqpidmessaging - which is more than just a little bit beyond me... (and, I suspect, not specific to my PHP binding).
For now, I suggest you use CMake. Or don't use the *.ini file at all, but instead load the cqpid PHP library when you actually intend to use it (using the library between creation and destruction alleviates the issue for me).
> PHP binding of Qpid Messaging API
> ---------------------------------
>
> Key: QPID-3027
> URL: https://issues.apache.org/jira/browse/QPID-3027
> Project: Qpid
> Issue Type: New Feature
> Components: C++ Client
> Affects Versions: 0.8
> Reporter: Paul Colby
> Assignee: Ted Ross
> Attachments: FindPHPDev.cmake, Makefile, cqpid_php.20110220.diff, cqpid_php.20110301.diff, cqpid_php.20110328.diff, cqpid_php.20110415.diff, cqpid_php.diff
>
>
> Working on a PHP binding for the Qpid Messaging API via SWIG. There are several PHP-specific issues with C++ and SWIG which I've managed to workaround, so the binding is starting to take shape, but still very much a work in progress.
> The rough plan:
> 1. report relevant bugs / feature requests to SWIG (done).
> 2. clean-up Qpid php.i SWIG interface file (mostly done - just need to implement PHP namespaces).
> 3. implement qpid::types::Variant <-> PHP typemapping (not started).
> 4. implement printinfo pragma (should be easy, just need to choose what info to include).
> 5. create relevant [auto]makefile.
> Of course, there's lots of things to discuss / decide along the way... so I'll post 'em here as they come up.
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