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[scudo] Scudo thread specific data refactor, part 1
Summary: We are going through an overhaul of Scudo's TSD, to allow for new platforms to be integrated more easily, and make the code more sound. This first part is mostly renaming, preferring some shorter names, correcting some comments. I removed `getPrng` and `getAllocatorCache` to directly access the members, there was not really any benefit to them (and it was suggested by Dmitry in D37590). The only functional change is in `scudo_tls_android.cpp`: we enforce bounds to the `NumberOfTSDs` and most of the logic in `getTSDAndLockSlow` is skipped if we only have 1 TSD. Reviewers: alekseyshl, dvyukov, kcc Reviewed By: dvyukov Subscribers: llvm-commits, srhines Differential Revision: https://reviews.llvm.org/D38139 llvm-svn: 313987
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Kostya Kortchinsky
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Sep 22, 2017
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