tsan_test.cpp
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//===-- tsan_test.cpp -----------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#include "tsan_interface.h"
#include "tsan_test_util.h"
#include "gtest/gtest.h"
static void foo() {}
static void bar() {}
TEST(ThreadSanitizer, FuncCall) {
ScopedThread t1, t2;
MemLoc l;
t1.Write1(l);
t2.Call(foo);
t2.Call(bar);
t2.Write1(l, true);
t2.Return();
t2.Return();
}
// We use this function instead of main, as ISO C++ forbids taking the address
// of main, which we need to pass inside __tsan_func_entry.
int run_tests(int argc, char **argv) {
TestMutexBeforeInit(); // Mutexes must be usable before __tsan_init();
__tsan_init();
__tsan_func_entry(__builtin_return_address(0));
__tsan_func_entry((void*)((intptr_t)&run_tests + 1));
testing::GTEST_FLAG(death_test_style) = "threadsafe";
testing::InitGoogleTest(&argc, argv);
int res = RUN_ALL_TESTS();
__tsan_func_exit();
__tsan_func_exit();
return res;
}
const char *argv0;
#ifdef __APPLE__
// On Darwin, turns off symbolication and crash logs to make tests faster.
extern "C" const char* __tsan_default_options() {
return "symbolize=false:abort_on_error=0";
}
#endif
namespace __sanitizer {
bool ReexecDisabled() {
return true;
}
}
int main(int argc, char **argv) {
argv0 = argv[0];
return run_tests(argc, argv);
}