History log of /llvm-project/compiler-rt/lib/gwp_asan/tests/mutex_test.cpp (Results 1 – 3 of 3)
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# 5556616b 16-Nov-2020 Kostya Kortchinsky <kostyak@google.com>

[GWP-ASan] Port tests to Fuchsia

This modifies the tests so that they can be run on Fuchsia:
- add the necessary includes for `set`/`vector` etc
- do the few modifications required to use zxtest ins

[GWP-ASan] Port tests to Fuchsia

This modifies the tests so that they can be run on Fuchsia:
- add the necessary includes for `set`/`vector` etc
- do the few modifications required to use zxtest instead og gtest

`backtrace.cpp` requires stacktrace support that Fuchsia doesn't have
yet, and `enable_disable.cpp` currently uses `fork()` which Fuchsia
doesn't support yet. I'll revisit this later.

I chose to use `harness.h` to hold my "platform-specific" include and
namespace, and using this header in tests rather than `gtest.h`,
which I am open to change if someone would rather go another direction.

Differential Revision: https://reviews.llvm.org/D91575

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Revision tags: llvmorg-11.0.0, llvmorg-11.0.0-rc6, llvmorg-11.0.0-rc5, llvmorg-11.0.0-rc4, llvmorg-11.0.0-rc3, llvmorg-11.0.0-rc2, llvmorg-11.0.0-rc1, llvmorg-12-init, llvmorg-10.0.1, llvmorg-10.0.1-rc4, llvmorg-10.0.1-rc3, llvmorg-10.0.1-rc2, llvmorg-10.0.1-rc1, llvmorg-10.0.0, llvmorg-10.0.0-rc6, llvmorg-10.0.0-rc5, llvmorg-10.0.0-rc4, llvmorg-10.0.0-rc3, llvmorg-10.0.0-rc2, llvmorg-10.0.0-rc1, llvmorg-11-init, llvmorg-9.0.1, llvmorg-9.0.1-rc3, llvmorg-9.0.1-rc2, llvmorg-9.0.1-rc1, llvmorg-9.0.0, llvmorg-9.0.0-rc6, llvmorg-9.0.0-rc5, llvmorg-9.0.0-rc4, llvmorg-9.0.0-rc3, llvmorg-9.0.0-rc2, llvmorg-9.0.0-rc1, llvmorg-10-init, llvmorg-8.0.1, llvmorg-8.0.1-rc4, llvmorg-8.0.1-rc3, llvmorg-8.0.1-rc2
# 365e5924 30-May-2019 Mitch Phillips <mitchphillips@outlook.com>

Attempt to fix test failure for armv8.

Looks like armv8 can't handle a thousand threads, which GWP-ASan
requests when running a synchronised mutex test. Limiting this to 100 to
attempt to fix the bu

Attempt to fix test failure for armv8.

Looks like armv8 can't handle a thousand threads, which GWP-ASan
requests when running a synchronised mutex test. Limiting this to 100 to
attempt to fix the build issue.

llvm-svn: 362163

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# 5f0f4e3a 30-May-2019 Mitch Phillips <mitchphillips@outlook.com>

[GWP-ASan] Mutex implementation [2].

Summary:
See D60593 for further information.
This patch pulls out the mutex implementation and the required definitions file.

We implement our own mutex for GWP

[GWP-ASan] Mutex implementation [2].

Summary:
See D60593 for further information.
This patch pulls out the mutex implementation and the required definitions file.

We implement our own mutex for GWP-ASan currently, because:

1. We must be compatible with the sum of the most restrictive elements of the supporting allocator's build system. Current targets for GWP-ASan include Scudo (on Linux and Fuchsia), and bionic (on Android).
2. Scudo specifies `-nostdlib++ -nonodefaultlibs`, meaning we can't use `std::mutex` or `mtx_t`.
3. We can't use `sanitizer_common`'s mutex, as the supporting allocators cannot afford the extra maintenance (Android, Fuchsia) and code size (Fuchsia) overheads that this would incur.

In future, we would like to implement a shared base mutex for GWP-ASan, Scudo and sanitizer_common. This will likely happen when both GWP-ASan and Scudo standalone are not in the development phase, at which point they will have stable requirements.

Reviewers: vlad.tsyrklevich, morehouse, jfb

Reviewed By: morehouse

Subscribers: dexonsmith, srhines, cfe-commits, kubamracek, mgorny, cryptoad, jfb, #sanitizers, llvm-commits, vitalybuka, eugenis

Tags: #sanitizers, #llvm, #clang

Differential Revision: https://reviews.llvm.org/D61923

llvm-svn: 362138

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