Page #82 (Developing Thread-Safe COM Code)

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Summary

In this chapter, we looked at various issues involved with multithreaded programming. We saw that protecting an object from concurrent access requires complex programming. To simplify component development, COM+ offers a choice of threading strategies to developers. To deal with the threading strat-egy used by a component, COM+ defines the notion of apartments. The type of apartment dictates the way calls are dispatched to the apartment.

To provide synchronized access to an object, COM+ provides activity-based synchronization.

Finally, we looked at various techniques to develop thread-safe code that leverages the infrastructure provided by COM+.

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