A queue port communication method based on port list
A port list and port communication technology, which is applied in inter-program communication, instruments, multi-program devices, etc., can solve the problems of untimely message processing and waste of CPU resources, and achieve the effect of improving efficiency and saving computing resources
Pending Publication Date: 2019-03-29
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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Abstract
The invention belongs to the technical field of computer system software, and relates to a queue port communication method based on port list, which is used for solving the problems of CPU resource waste and message processing delay caused by adopting polling mode when a partition process needs to listen and process multiple destination port messages at the same time in an embedded real-time partitioned operating system. The invention provides a queue port communication method based on a port list, which comprises two key aspects: one is to realize simultaneous monitoring and processing of a group of destination ports by an intra-zone process through the port list; the other is to provide a queue port communication method based on the port list. 2. According to whether that destination port has message for receiving and state transition, the access control to the port list is realized by managing the semaphore of the port list. After the queue port communication method designed by theinvention is implemented, the CPU calculation resources can be saved and the message processing efficiency can be improved under the scenario that the partition process needs to simultaneously monitorand process a plurality of destination ports.
Application Domain
Interprogram communicationHardware monitoring
Technology Topic
Processing delayReal-time computing +5
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