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core(tls): handle process termination / cleanup issues#20014

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opencv-pushbot merged 1 commit intoopencv:3.4from
alalek:fix_core_tls_process_termination
Apr 30, 2021
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core(tls): handle process termination / cleanup issues#20014
opencv-pushbot merged 1 commit intoopencv:3.4from
alalek:fix_core_tls_process_termination

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@alalek alalek commented Apr 30, 2021

relates #15812
relates #19886

requires for merging #19755

Observed Win10 code flow for FLS storage:

  • main on return calls ExitProcess() which terminates all threads (process state become inconsistent)
  • called fls callback for the "main" thread
  • called DllMain with DLL_PROCESS_DETACH
  • called fls callbacks for other threads if any

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alalek commented Apr 30, 2021

👍

@opencv-pushbot opencv-pushbot merged commit f78cebf into opencv:3.4 Apr 30, 2021
@alalek alalek mentioned this pull request May 1, 2021
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@alalek alalek mentioned this pull request Jun 4, 2021
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