From 5aa5d282eac56a21e74611c1cdbaa97bb5db2dca Mon Sep 17 00:00:00 2001 From: Vincent Ambo Date: Tue, 8 Feb 2022 02:05:36 +0300 Subject: chore(3p/abseil_cpp): unvendor abseil_cpp we weren't actually using these sources anymore, okay? Change-Id: If701571d9716de308d3512e1eb22c35db0877a66 Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248 Tested-by: BuildkiteCI Reviewed-by: grfn Autosubmit: tazjin --- .../absl/synchronization/barrier_test.cc | 75 ---------------------- 1 file changed, 75 deletions(-) delete mode 100644 third_party/abseil_cpp/absl/synchronization/barrier_test.cc (limited to 'third_party/abseil_cpp/absl/synchronization/barrier_test.cc') diff --git a/third_party/abseil_cpp/absl/synchronization/barrier_test.cc b/third_party/abseil_cpp/absl/synchronization/barrier_test.cc deleted file mode 100644 index bfc6cb1883b1..000000000000 --- a/third_party/abseil_cpp/absl/synchronization/barrier_test.cc +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright 2017 The Abseil Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "absl/synchronization/barrier.h" - -#include // NOLINT(build/c++11) -#include - -#include "gtest/gtest.h" -#include "absl/synchronization/mutex.h" -#include "absl/time/clock.h" - - -TEST(Barrier, SanityTest) { - constexpr int kNumThreads = 10; - absl::Barrier* barrier = new absl::Barrier(kNumThreads); - - absl::Mutex mutex; - int counter = 0; // Guarded by mutex. - - auto thread_func = [&] { - if (barrier->Block()) { - // This thread is the last thread to reach the barrier so it is - // responsible for deleting it. - delete barrier; - } - - // Increment the counter. - absl::MutexLock lock(&mutex); - ++counter; - }; - - // Start (kNumThreads - 1) threads running thread_func. - std::vector threads; - for (int i = 0; i < kNumThreads - 1; ++i) { - threads.push_back(std::thread(thread_func)); - } - - // Give (kNumThreads - 1) threads a chance to reach the barrier. - // This test assumes at least one thread will have run after the - // sleep has elapsed. Sleeping in a test is usually bad form, but we - // need to make sure that we are testing the barrier instead of some - // other synchronization method. - absl::SleepFor(absl::Seconds(1)); - - // The counter should still be zero since no thread should have - // been able to pass the barrier yet. - { - absl::MutexLock lock(&mutex); - EXPECT_EQ(counter, 0); - } - - // Start 1 more thread. This should make all threads pass the barrier. - threads.push_back(std::thread(thread_func)); - - // All threads should now be able to proceed and finish. - for (auto& thread : threads) { - thread.join(); - } - - // All threads should now have incremented the counter. - absl::MutexLock lock(&mutex); - EXPECT_EQ(counter, kNumThreads); -} -- cgit 1.4.1