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authorAugusto Righetto <aurighet@microsoft.com>2020-03-09T12·55-0700
committerGitHub <noreply@github.com>2020-03-09T12·55-0400
commit417ea99cbac80c85be9f52c8b482f15d47bee93e (patch)
tree5c79e1f2e5cb445a3a4116e0b31ed908ef3b8211 /absl/container/internal/hashtablez_sampler.h
parent40a0e58eb39f327b14841eeccacd962340dbc57d (diff)
UWP doesn't allow reading regkeys (#594)
* UWP doesn't allow reading regkeys.

Unfortunately, UWP also doesn't offer an API for returning nominal processor frequency at this moment. Other options would require apps depending on abseil-cpp to be packaged with extra manifest data or libraries for bridging platforms.

This change pushes the unsupported APIs accessing the registry behind a define guard. This define guard makes GetNominalCPUFrequency to compile and run as usual on desktop, but it will return the value 1.0 on UWP Apps (Store).

* Using WINAPI_FAMILY_PARTITION family of macros for detecting when building for
UWP or Desktop.

* Simplifying comment to please the lint tool.
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