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| author | Kostya Kortchinsky <kostyak@google.com> | 2018-08-20 14:57:58 +0000 |
|---|---|---|
| committer | Kostya Kortchinsky <kostyak@google.com> | 2018-08-20 14:57:58 +0000 |
| commit | 8e6fd7f354be438fa1d105a1b3e3c3f3f24cb710 (patch) | |
| tree | 8f78d77b478dc2ce935d20e9e5b60e70519e125c /lib/hwasan/hwasan_interceptors.cc | |
| parent | c3f0055898e2686b55c5964f4325ee52d48d4b91 (diff) | |
| download | compiler-rt-8e6fd7f354be438fa1d105a1b3e3c3f3f24cb710.tar.gz | |
[sanitizer] Use private futex operations for BlockingMutex
Summary:
Use `FUTEX_PRIVATE_FLAG` in conjunction with the wait & wake operations
employed by `BlockingMutex`. As far as I can tell, the mutexes are
process-private, and there is an actual performance benefit at employing the
private operations. There should be no downside to switching to it.
Reviewers: eugenis, alekseyshl, dvyukov
Reviewed By: dvyukov
Subscribers: kubamracek, delcypher, #sanitizers, llvm-commits
Differential Revision: https://reviews.llvm.org/D50910
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@340178 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/hwasan/hwasan_interceptors.cc')
0 files changed, 0 insertions, 0 deletions