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error in deadlock detection #4658

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davidnich opened this issue Dec 14, 2022 · 0 comments
Closed

error in deadlock detection #4658

davidnich opened this issue Dec 14, 2022 · 0 comments
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@davidnich
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bug c++ fixed
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Qore Development
Milestone
1.12.4

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@davidnich
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Qore's internal VLock class does not ensure that other threads will read the waiting_on attribute when executing deadlock detection - atomic variables and read/write operations must be used for this attribute - as the current mutexes do not affect other objects in the deadlock detection logic
@davidnich davidnich added this to the 1.12.4 milestone Dec 14, 2022
@davidnich davidnich self-assigned this Dec 14, 2022
@davidnich davidnich added this to To do in Qore Development via automation Dec 14, 2022
davidnich added a commit that referenced this issue Dec 14, 2022
@davidnich
refs #4658 fixed a race condition in deadlock detection where a deadl…
653ae43 
…ock could occur due to the lack of atomic reads
davidnich added a commit that referenced this issue Dec 14, 2022
@davidnich
refs #4658 fixed a race condition in deadlock detection where a deadl…
51a8477 
…ock could occur due to the lack of atomic reads (#4659)
Qore Development automation moved this from To do to Done Dec 14, 2022
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bug c++ fixed
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Qore Development
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1.12.4
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@davidnich