Importance

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Abstract

A computer system in accordance with the present invention provides a method of communicating events from a server to remote procedure call clients. The disclosed technique begins with a remote procedure call by a remote procedure call client to a server to establish an initial client-server connection. Next, there is a remote procedure call to create a guaranteed delivery communication conduit, such as a named pipe, between the server and client and to create a server asynchronous event thread in a blocked state for blocking execution of the server asynchronous event thread. A client asynchronous event thread in the client is then created to open the named pipe. If the server detects an event, an event message is generated which places the server asynchronous event thread in an unblocked state to allow execution of the server asynchronous event thread. Event data may then be transmitted across the named pipe from the server to the client. After transfer of the event data is complete, the server asynchronous event thread is blocked. By unblocking the server asynchronous event thread when an event is detected and blocking the server asynchronous event thread following transmission of the event through a named pipe to the client, asynchronous events may be communicated by a server to remote procedure call clients. As a result, it is not necessary for a remote procedure call client to poll a server to receive asynchronous event information.

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First Claim