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 16 static void foo() {} 17 static void bar() {} 18 19 TEST(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. 32 int 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 47 const char *argv0; 48 49 #ifdef __APPLE__ 50 // On Darwin, turns off symbolication and crash logs to make tests faster. 51 extern "C" const char* __tsan_default_options() { 52 return "symbolize=false:abort_on_error=0"; 53 } 54 #endif 55 56 namespace __sanitizer { 57 bool ReexecDisabled() { 58 return true; 59 } 60 } 61 62 int main(int argc, char **argv) { 63 argv0 = argv[0]; 64 return run_tests(argc, argv); 65 } 66