8 Commits (9057d0a0795324443b6c171d62c31ee5bf42fc8d)

Author	SHA1	Message	Date
Peter Dillinger	31da5e34c1	C++20 compatibility (#6697) ... Summary: Based on https://github.com/facebook/rocksdb/issues/6648 (CLA Signed), but heavily modified / extended: * Implicit capture of this via [=] deprecated in C++20, and [=,this] not standard before C++20 -> now using explicit capture lists * Implicit copy operator deprecated in gcc 9 -> add explicit '= default' definition * std::random_shuffle deprecated in C++17 and removed in C++20 -> migrated to a replacement in RocksDB random.h API * Add the ability to build with different std version though -DCMAKE_CXX_STANDARD=11/14/17/20 on the cmake command line * Minimal rebuild flag of MSVC is deprecated and is forbidden with /std:c++latest (C++20) * Added MSVC 2019 C++11 & MSVC 2019 C++20 in AppVeyor * Added GCC 9 C++11 & GCC9 C++20 in Travis Pull Request resolved: https://github.com/facebook/rocksdb/pull/6697 Test Plan: make check and CI Reviewed By: cheng-chang Differential Revision: D21020318 Pulled By: pdillinger fbshipit-source-id: 12311be5dbd8675a0e2c817f7ec50fa11c18ab91	5 years ago
Levi Tamasi	1df9b01680	Disable distributed mutex test for valgrind_test (#6553) ... Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/6553 Test Plan: ``` $ make valgrind_test -j24 $ ./folly_synchronization_distributed_mutex_test DistributedMutex is not supported in ROCKSDB_LITE, on ARM, or in valgrind_test runs ``` Reviewed By: pdillinger Differential Revision: D20501966 Pulled By: ltamasi fbshipit-source-id: 386ec5f258f89d0781a36c5b390c665787093a74	5 years ago
Huisheng Liu	07a3f7f008	fix MSVC build failures (#6517) ... Summary: fix a few build warnings that are treated as failures with more strict MSVC warning settings Pull Request resolved: https://github.com/facebook/rocksdb/pull/6517 Differential Revision: D20401325 Pulled By: pdillinger fbshipit-source-id: b44979dfaafdc7b3b8cb44a565400a99b331dd30	5 years ago
sdong	a68dff5c35	Apply formatter to some recent commits (#6138) ... Summary: Formatter somehow complains some recent lines changed. Apply them to make the formatter happy. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6138 Test Plan: See CI passes. Differential Revision: D18895950 fbshipit-source-id: 7d1696cf3e3a682bc10a30cdca748a23c6565255	5 years ago
Peter Dillinger	ad528fe5ca	Disable folly_synchronization_distributed_mutex_test on ARM for now (#6126) ... Summary: This test is crashing on ARM but is not yet production code. Let's not let it block ARM CI. See PR https://github.com/facebook/rocksdb/issues/5932 Pull Request resolved: https://github.com/facebook/rocksdb/pull/6126 Test Plan: ./folly_synchronization_distributed_mutex_test, on Linux/ARM, on Linux/x86_64, and with LITE=1 on Linux/x86_64 (also disabled) Differential Revision: D18836576 Pulled By: pdillinger fbshipit-source-id: d8a36eea2f048e8330411d994435d1c58a15d978	5 years ago
Aaryaman Sagar	77273d4137	Fix TSAN failures in DistributedMutex tests (#5684) ... Summary: TSAN was not able to correctly instrument atomic bts and btr instructions, so when TSAN is enabled implement those with std::atomic::fetch_or and std::atomic::fetch_and. Also disable tests that fail on TSAN with false negatives (we know these are false negatives because this other verifiably correct program fails with the same TSAN error <link>) ``` make clean TEST_TMPDIR=/dev/shm/rocksdb OPT=-g COMPILE_WITH_TSAN=1 make J=1 -j56 folly_synchronization_distributed_mutex_test ``` This is the code that fails with the same false-negative with TSAN ``` namespace { class ExceptionWithConstructionTrack : public std::exception { public: explicit ExceptionWithConstructionTrack(int id) : id_{folly::to<std::string>(id)}, constructionTrack_{id} {} const char* what() const noexcept override { return id_.c_str(); } private: std::string id_; TestConstruction constructionTrack_; }; template <typename Storage, typename Atomic> void transferCurrentException(Storage& storage, Atomic& produced) { assert(std::current_exception()); new (&storage) std::exception_ptr(std::current_exception()); produced->store(true, std::memory_order_release); } void concurrentExceptionPropagationStress( int numThreads, std::chrono::milliseconds milliseconds) { auto&& stop = std::atomic<bool>{false}; auto&& exceptions = std::vector<std::aligned_storage<48, 8>::type>{}; auto&& produced = std::vector<std::unique_ptr<std::atomic<bool>>>{}; auto&& consumed = std::vector<std::unique_ptr<std::atomic<bool>>>{}; auto&& consumers = std::vector<std::thread>{}; for (auto i = 0; i < numThreads; ++i) { produced.emplace_back(new std::atomic<bool>{false}); consumed.emplace_back(new std::atomic<bool>{false}); exceptions.push_back({}); } auto producer = std::thread{[&]() { auto counter = std::vector<int>(numThreads, 0); for (auto i = 0; true; i = ((i + 1) % numThreads)) { try { throw ExceptionWithConstructionTrack{counter.at(i)++}; } catch (...) { transferCurrentException(exceptions.at(i), produced.at(i)); } while (!consumed.at(i)->load(std::memory_order_acquire)) { if (stop.load(std::memory_order_acquire)) { return; } } consumed.at(i)->store(false, std::memory_order_release); } }}; for (auto i = 0; i < numThreads; ++i) { consumers.emplace_back([&, i]() { auto counter = 0; while (true) { while (!produced.at(i)->load(std::memory_order_acquire)) { if (stop.load(std::memory_order_acquire)) { return; } } produced.at(i)->store(false, std::memory_order_release); try { auto storage = &exceptions.at(i); auto exc = folly::launder( reinterpret_cast<std::exception_ptr*>(storage)); auto copy = std::move(*exc); exc->std::exception_ptr::~exception_ptr(); std::rethrow_exception(std::move(copy)); } catch (std::exception& exc) { auto value = std::stoi(exc.what()); EXPECT_EQ(value, counter++); } consumed.at(i)->store(true, std::memory_order_release); } }); } std::this_thread::sleep_for(milliseconds); stop.store(true); producer.join(); for (auto& thread : consumers) { thread.join(); } } } // namespace ``` Pull Request resolved: https://github.com/facebook/rocksdb/pull/5684 Differential Revision: D16746077 Pulled By: miasantreble fbshipit-source-id: 8af88dcf9161c05daec1a76290f577918638f79d	6 years ago
Zhongyi Xie	e0b84538af	Fix clang_check and lite failures (#5680) ... Summary: This PR fixes two test failures: 1. clang check: ``` third-party/folly/folly/detail/Futex.cpp:52:12: error: implicit conversion loses integer precision: 'long' to 'int' [-Werror,-Wshorten-64-to-32] int rv = syscall( ~~ ^~~~~~~~ third-party/folly/folly/detail/Futex.cpp:114:12: error: implicit conversion loses integer precision: 'long' to 'int' [-Werror,-Wshorten-64-to-32] int rv = syscall( ~~ ^~~~~~~~ ``` 2. lite ``` ./third-party/folly/folly/synchronization/DistributedMutex-inl.h:1337:7: error: exception handling disabled, use -fexceptions to enable } catch (...) { ^ ``` Pull Request resolved: https://github.com/facebook/rocksdb/pull/5680 Differential Revision: D16704042 Pulled By: miasantreble fbshipit-source-id: a53cb06128365d9e864f07476b0af8fc27140f07	6 years ago
Aaryaman Sagar	38b03c840e	Port folly/synchronization/DistributedMutex to rocksdb (#5642) ... Summary: This ports `folly::DistributedMutex` into RocksDB. The PR includes everything else needed to compile and use DistributedMutex as a component within folly. Most files are unchanged except for some portability stuff and includes. For now, I've put this under `rocksdb/third-party`, but if there is a better folder to put this under, let me know. I also am not sure how or where to put unit tests for third-party stuff like this. It seems like gtest is included already, but I need to link with it from another third-party folder. This also includes some other common components from folly - folly/Optional - folly/ScopeGuard (In particular `SCOPE_EXIT`) - folly/synchronization/ParkingLot (A portable futex-like interface) - folly/synchronization/AtomicNotification (The standard C++ interface for futexes) - folly/Indestructible (For singletons that don't get destroyed without allocations) Pull Request resolved: https://github.com/facebook/rocksdb/pull/5642 Differential Revision: D16544439 fbshipit-source-id: 179b98b5dcddc3075926d31a30f92fd064245731	6 years ago