compiler-rt/lib/tsan/tests/rtl/tsan_test.cpp

   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_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.
  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 int main(int argc, char **argv) {
  57   argv0 = argv[0];
  58   return run_tests(argc, argv);
  59 }