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公开(公告)号：US20190138242A1
公开(公告)日：2019-05-09
申请号：US15806902
申请日：2017-11-08
Applicant: RAYTHEON COMPANY
Inventor： Lloyd J. Lewins , Jeremy Edwards
Abstract: A system for sharing data between two processes implements a memory arranged as a two dimensional ping/pong buffer where a writing operation alternately swaps buffers in one dimension and a reading operation swaps buffers in the other dimension. Accordingly, writing is into one or the other of a reading buffer set not currently being read with each write alternating between the write buffers. Data is retrieved from the buffer that is not currently being written. The buffer switching is coordinated by using commonly accessed variables between the reader and the writer and implements a system that is lock-free.
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