Comments (2)
zhiming99
commented on June 11, 2024
submitted a fix with commit 19c911e. The reason is that in high stress situation, the handle of the CTcpStreamPdo2 object could be reused by newly created stream pdo object after the pdo object is released . If the old CTcpStreamPdo2, though released, still has its handle referenced in the stopping process, it would endup being passed to CIoManager's ClosePort. And actually the newly created CTcpStreamPdo2 instance is then closed, and the connection abrupted.
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zhiming99
commented on June 11, 2024
It is a regression bug introduced in PR #27. Previously all the CTcpStreamPdo2 was started/stoped sequentially via the addseqtask. at the single moment, only one CTcpStreamPdo2 is being started/stopped. so no oppotunity for different CTcpStreamPdos to contend for the same handle. And when allowing many CTcpStreamPdo2 instances to start/stop simutaneously, this issue emerged.
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