fixing ATOMIC_VAR_INIT call #26238
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fixing ATOMIC_VAR_INIT call #26238
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Sep 9, 2019
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@cpojer is landing this pull request. If you are a Facebook employee, you can view this diff on Phabricator.
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This pull request was successfully merged by Anandraj in 75a7a52. When will my fix make it into a release? | Upcoming Releases |
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Summary
We're trying to build react-native on Windows (part of the Microsoft\react-native-windows project) with MSVC compiler with WITH_FBSYSTRACE set to true (to route the traces to ETW). This change is to fix a compilation error due to the non standard usage of ATOMIC_VAR_INIT macro called with no parameters. It's not absolutely clear to me the objective of this macro in the standard at all (to be used in c context ?), and which compiler does support this parameterless version (gcc?).
Also, I'm more inclined towards changing the statement to just "std::atomic_uint_least32_t m_systraceCookie{};". Please confirm.
Changelog
[General] [Fixed] - Removing the non-standard usage of ATOMIC_VAR_INIT macro from code with systrace enabled
Test Plan
Build verification should suffice as there is no semantic change introduced by this change.