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Posted to dev@activemq.apache.org by "Brian McKinnon (JIRA)" <ji...@apache.org> on 2010/11/02 19:49:00 UTC
[jira] Created: (AMQCPP-326) Returning std::string across a dll
boundary in getTopicName causes crash
Returning std::string across a dll boundary in getTopicName causes crash
------------------------------------------------------------------------
Key: AMQCPP-326
URL: https://issues.apache.org/activemq/browse/AMQCPP-326
Project: ActiveMQ C++ Client
Issue Type: Improvement
Components: CMS Impl
Affects Versions: 3.2.3
Environment: Visual studio 2010/2008 working with the C4 game engine
Reporter: Brian McKinnon
Assignee: Timothy Bish
Priority: Minor
The C4 game engine has recently implemented there own memory management module overloading the new and delete operations. As a result the std::string returned by cms::Topic::getTopicName causes the system to crash. The custom memory manager renders the simple solution of including the same msvc runtime dll unusable. A solution would be to implement a void cms::Topic::getTopicName(std::string & name) function instead or in addition to the existing function.
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[jira] Closed: (AMQCPP-326) Returning std::string across a dll
boundary in getTopicName causes crash
Posted by "Timothy Bish (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/activemq/browse/AMQCPP-326?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Timothy Bish closed AMQCPP-326.
-------------------------------
Resolution: Won't Fix
Closing until a complete patch is contributed.
> Returning std::string across a dll boundary in getTopicName causes crash
> ------------------------------------------------------------------------
>
> Key: AMQCPP-326
> URL: https://issues.apache.org/activemq/browse/AMQCPP-326
> Project: ActiveMQ C++ Client
> Issue Type: Improvement
> Components: CMS Impl
> Affects Versions: 3.2.3
> Environment: Visual studio 2010/2008 working with the C4 game engine
> Reporter: Brian McKinnon
> Assignee: Timothy Bish
> Priority: Minor
> Attachments: getTopicNameIntoReference.patch
>
>
> The C4 game engine has recently implemented there own memory management module overloading the new and delete operations. As a result the std::string returned by cms::Topic::getTopicName causes the system to crash. The custom memory manager renders the simple solution of including the same msvc runtime dll unusable. A solution would be to implement a void cms::Topic::getTopicName(std::string & name) function instead or in addition to the existing function.
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[jira] Commented: (AMQCPP-326) Returning std::string across a dll
boundary in getTopicName causes crash
Posted by "Timothy Bish (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/activemq/browse/AMQCPP-326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=62970#action_62970 ]
Timothy Bish commented on AMQCPP-326:
-------------------------------------
It wouldn't sense to make this change without changing every other method that returns an STL type, the library was intended to be used with the same runtime dll so this would be an extremely large change. Since the problem only exists for windows users who can't or won't match the runtime DLLs its pretty low on the priority list. I'm going to close this issue for now until someone offers to contribute a patch to address the problem as a whole.
> Returning std::string across a dll boundary in getTopicName causes crash
> ------------------------------------------------------------------------
>
> Key: AMQCPP-326
> URL: https://issues.apache.org/activemq/browse/AMQCPP-326
> Project: ActiveMQ C++ Client
> Issue Type: Improvement
> Components: CMS Impl
> Affects Versions: 3.2.3
> Environment: Visual studio 2010/2008 working with the C4 game engine
> Reporter: Brian McKinnon
> Assignee: Timothy Bish
> Priority: Minor
> Attachments: getTopicNameIntoReference.patch
>
>
> The C4 game engine has recently implemented there own memory management module overloading the new and delete operations. As a result the std::string returned by cms::Topic::getTopicName causes the system to crash. The custom memory manager renders the simple solution of including the same msvc runtime dll unusable. A solution would be to implement a void cms::Topic::getTopicName(std::string & name) function instead or in addition to the existing function.
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[jira] Updated: (AMQCPP-326) Returning std::string across a dll
boundary in getTopicName causes crash
Posted by "Brian McKinnon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/activemq/browse/AMQCPP-326?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Brian McKinnon updated AMQCPP-326:
----------------------------------
Attachment: getTopicNameIntoReference.patch
> Returning std::string across a dll boundary in getTopicName causes crash
> ------------------------------------------------------------------------
>
> Key: AMQCPP-326
> URL: https://issues.apache.org/activemq/browse/AMQCPP-326
> Project: ActiveMQ C++ Client
> Issue Type: Improvement
> Components: CMS Impl
> Affects Versions: 3.2.3
> Environment: Visual studio 2010/2008 working with the C4 game engine
> Reporter: Brian McKinnon
> Assignee: Timothy Bish
> Priority: Minor
> Attachments: getTopicNameIntoReference.patch
>
>
> The C4 game engine has recently implemented there own memory management module overloading the new and delete operations. As a result the std::string returned by cms::Topic::getTopicName causes the system to crash. The custom memory manager renders the simple solution of including the same msvc runtime dll unusable. A solution would be to implement a void cms::Topic::getTopicName(std::string & name) function instead or in addition to the existing function.
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[jira] Commented: (AMQCPP-326) Returning std::string across a dll
boundary in getTopicName causes crash
Posted by "Brian McKinnon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/activemq/browse/AMQCPP-326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=62969#action_62969 ]
Brian McKinnon commented on AMQCPP-326:
---------------------------------------
This issue is actually much larger than I originally thought. It may be easier for me to stop the C4 memory manager than to make all the changes to activemq-cpp to ensure that the library is safe across memory managers. You can choose to ignore this request... unless you are interested in me spending more time to try and resolve this issue.
> Returning std::string across a dll boundary in getTopicName causes crash
> ------------------------------------------------------------------------
>
> Key: AMQCPP-326
> URL: https://issues.apache.org/activemq/browse/AMQCPP-326
> Project: ActiveMQ C++ Client
> Issue Type: Improvement
> Components: CMS Impl
> Affects Versions: 3.2.3
> Environment: Visual studio 2010/2008 working with the C4 game engine
> Reporter: Brian McKinnon
> Assignee: Timothy Bish
> Priority: Minor
> Attachments: getTopicNameIntoReference.patch
>
>
> The C4 game engine has recently implemented there own memory management module overloading the new and delete operations. As a result the std::string returned by cms::Topic::getTopicName causes the system to crash. The custom memory manager renders the simple solution of including the same msvc runtime dll unusable. A solution would be to implement a void cms::Topic::getTopicName(std::string & name) function instead or in addition to the existing function.
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