1 //===-- tsan_test.cc ------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file is a part of ThreadSanitizer (TSan), a race detector. 11 // 12 //===----------------------------------------------------------------------===// 13 #include "tsan_interface.h" 14 #include "tsan_test_util.h" 15 #include "gtest/gtest.h" 16 17 static void foo() {} 18 static void bar() {} 19 20 TEST(ThreadSanitizer, FuncCall) { 21 ScopedThread t1, t2; 22 MemLoc l; 23 t1.Write1(l); 24 t2.Call(foo); 25 t2.Call(bar); 26 t2.Write1(l, true); 27 t2.Return(); 28 t2.Return(); 29 } 30 31 // We use this function instead of main, as ISO C++ forbids taking the address 32 // of main, which we need to pass inside __tsan_func_entry. 33 int run_tests(int argc, char **argv) { 34 TestMutexBeforeInit(); // Mutexes must be usable before __tsan_init(); 35 __tsan_init(); 36 __tsan_func_entry(__builtin_return_address(0)); 37 __tsan_func_entry((void*)((intptr_t)&run_tests + 1)); 38 39 testing::GTEST_FLAG(death_test_style) = "threadsafe"; 40 testing::InitGoogleTest(&argc, argv); 41 int res = RUN_ALL_TESTS(); 42 43 __tsan_func_exit(); 44 __tsan_func_exit(); 45 return res; 46 } 47 48 const char *argv0; 49 50 #ifdef __APPLE__ 51 // On Darwin, turns off symbolication and crash logs to make tests faster. 52 extern "C" const char* __tsan_default_options() { 53 return "symbolize=false:abort_on_error=0"; 54 } 55 #endif 56 57 namespace __sanitizer { 58 bool ReexecDisabled() { 59 return true; 60 } 61 } 62 63 int main(int argc, char **argv) { 64 argv0 = argv[0]; 65 return run_tests(argc, argv); 66 } 67