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What is an upcall? |
Answer
The term upcall is typically used in the context of using a framework, such as CORBA. When a request is sent from a client application to a server application, the framework is responsible for data marshalling, data transmission, and notification of the recipient that a request has been issued. An upcall is the call into the user code from the framework. This is typically supported through the use of a registered callback function registered either directly by the user, or indirectly through the mechanisms of the framework.
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First answer by ID2256658260. Last edit by ID3502166855. Question popularity: 96 [recommend question]
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