C++ Exception-Handling Tricks for Linux
By Sachin O. Agrawal2005-04-12
Handling Exceptions in Multi-Threaded Programs
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Sometimes exceptions are left un-caught, which will cause the process to abort. Many times, however, processes contain multiple threads, where a few threads perform the core application logic while the rest service the external requests. If a service thread does not handle an exception due to programming error, it will kill the whole application. This may be undesirable as it promotes denial-of-service attacks by feeding illegal requests to the application. To avoid this, an un-caught handler can decide whether to invoke an abort or a thread-exit call. This is demonstrated towards the end of the ExceptionHandler::SingleTonHandler::Handler() function in Listing 3.
Tutorial Pages:
» Four Techniques for Dealing with Built-in Language Limitations
» Retaining exception source information
» Managing Signals
» Managing Exceptions in Constructors and Destructors
» Handling Exceptions in Multi-Threaded Programs
» Conclusion
» Resources
First published by IBM DeveloperWorks
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