1//===-- tsan_test.cpp -----------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file is a part of ThreadSanitizer (TSan), a race detector.
10//
11//===----------------------------------------------------------------------===//
12#include "tsan_interface.h"
13#include "tsan_test_util.h"
14#include "gtest/gtest.h"
15
16static void foo() {}
17static void bar() {}
18
19TEST_F(ThreadSanitizer, FuncCall) {
20  ScopedThread t1, t2;
21  MemLoc l;
22  t1.Write1(l);
23  t2.Call(foo);
24  t2.Call(bar);
25  t2.Write1(l, true);
26  t2.Return();
27  t2.Return();
28}
29
30// We use this function instead of main, as ISO C++ forbids taking the address
31// of main, which we need to pass inside __tsan_func_entry.
32int run_tests(int argc, char **argv) {
33  TestMutexBeforeInit();  // Mutexes must be usable before __tsan_init();
34  __tsan_init();
35  __tsan_func_entry(__builtin_return_address(0));
36  __tsan_func_entry((void*)((intptr_t)&run_tests + 1));
37
38  testing::GTEST_FLAG(death_test_style) = "threadsafe";
39  testing::InitGoogleTest(&argc, argv);
40  int res = RUN_ALL_TESTS();
41
42  __tsan_func_exit();
43  __tsan_func_exit();
44  return res;
45}
46
47const char *argv0;
48
49#ifdef __APPLE__
50// On Darwin, turns off symbolication and crash logs to make tests faster.
51extern "C" const char* __tsan_default_options() {
52  return "symbolize=false:abort_on_error=0";
53}
54#endif
55
56int main(int argc, char **argv) {
57  argv0 = argv[0];
58  return run_tests(argc, argv);
59}
60