a61c8e1ebd
After cd0a5889d7, unittest would run in shard mode where many tests
share a single process. Need to clear some global state to make the test
results stable.
Reviewed By: thetruestblue, rsundahl
Differential Revision: https://reviews.llvm.org/D124591
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
//===-- tsan_thread.cpp ---------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of ThreadSanitizer (TSan), a race detector.
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//
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//===----------------------------------------------------------------------===//
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#include "tsan_test_util.h"
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#include "gtest/gtest.h"
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TEST_F(ThreadSanitizer, ThreadSync) {
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MainThread t0;
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MemLoc l;
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t0.Write1(l);
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{
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ScopedThread t1;
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t1.Write1(l);
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}
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t0.Write1(l);
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}
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TEST_F(ThreadSanitizer, ThreadDetach1) {
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ScopedThread t1(true);
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MemLoc l;
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t1.Write1(l);
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}
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TEST_F(ThreadSanitizer, ThreadDetach2) {
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ScopedThread t1;
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MemLoc l;
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t1.Write1(l);
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t1.Detach();
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}
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static void *thread_alot_func(void *arg) {
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(void)arg;
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int usleep(unsigned);
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usleep(50);
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return 0;
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}
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TEST(DISABLED_SLOW_ThreadSanitizer, ThreadALot) {
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const int kThreads = 70000;
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const int kAlive = 1000;
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pthread_t threads[kAlive] = {};
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for (int i = 0; i < kThreads; i++) {
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if (threads[i % kAlive])
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pthread_join(threads[i % kAlive], 0);
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pthread_create(&threads[i % kAlive], 0, thread_alot_func, 0);
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}
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for (int i = 0; i < kAlive; i++) {
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pthread_join(threads[i], 0);
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}
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}
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