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