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vcsim: Synchronize calls to OptionsManager internal data structures #2907

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vcsim: Synchronize calls to OptionsManager internal data structures #2907

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Commits on Jul 19, 2022

  1. vcsim: Synchronize calls to OptionsManager internal data structures 

    As described in vmware#2906, `OptionsManager` is racy as calls to its internal
data structures are unsynchronized. When multiple threads are making
calls to `OptionsManager`, they can race against each other.

This change protects these data structures with a mutex, to avoid the
race conditions.

Closes: vmware#2906
    @brakthehack
    brakthehack committed Jul 19, 2022
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