Shared multi-channel process communication memory structure and method

Abstract

The invention discloses a shared multi-channel process communication memory structure and method. Data structures of a communication channel area, a channel state area and a task queue area are established in a shared memory so that a plurality of IPC channels which do not depend on specific process creation, can be reused and can carry out concurrent communication. Through channel state classification and monitoring, channel idleness, occupation and fault identification is realized, and multi-process communication stability is ensured. The communication system can adapt to synchronous and asynchronous communication by transmitting handshake information through the shared memory and setting a reasonable message structure, and has high universality and flexibility. The shared multi-channelprocess communication memory structure and method can be used for a system with any cross inter-process communication and synchronous and asynchronous mixed mode process communication, and the complexity of process communication design can be effectively reduced.

Description

Technical field [0001] The present invention relates to the field of process communication technology, in particular to multi-process communication technology, memory structure and method based on shared memory technology. Background technique [0002] In the field of software development, InterProcess Communication (IPC, InterProcess Communication) is a kind of basic technology, and process communication based on shared memory is the fastest IPC method. The shared memory is usually divided into several fragments to form several communication channels to improve the concurrency of communication. However, the shared memory in the prior art basically adopts in-process creation, which essentially binds the shared memory to the process, and the concurrency performance improvement is limited to the bound process range. In the multi-process cross-communication scenario, there is a complex network structure between processes. Based on the above method, a shared memory instance must be ...

AI Technical Summary

Problems solved by technology

Synchronous communication requires the process to enter the waiting state after sending the request message, and the waiting process will not release communication resources; if asynchronous communication is used, the communication process will release and reuse resources, but the asynchronous process processing is relatively complicated

Targeted use of synchronous or asynchronous communication for different tasks helps to improve communication efficiency, but based on the existing shared memory communication method, the improvement of communication efficiency is limited to a few communication processes, and multi-process cross-communication will increase the implementation Complexity, it is difficult to achieve global communication efficiency improvement

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