1 /* 2 Copyright (c) 2005-2021 Intel Corporation 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 #ifndef __TBB_assert_impl_H 18 #define __TBB_assert_impl_H 19 20 #include "oneapi/tbb/detail/_config.h" 21 #include "oneapi/tbb/detail/_utils.h" 22 23 #include <cstdio> 24 #include <cstdlib> 25 #include <cstring> 26 #include <cstdarg> 27 #if _MSC_VER && _DEBUG 28 #include <crtdbg.h> 29 #endif 30 31 #include <mutex> 32 33 namespace tbb { 34 namespace detail { 35 namespace r1 { 36 37 // TODO: consider extension for formatted error description string 38 static void assertion_failure_impl(const char* location, int line, const char* expression, const char* comment) { 39 40 std::fprintf(stderr, "Assertion %s failed (located in the %s function, line in file: %d)\n", 41 expression, location, line); 42 43 if (comment) { 44 std::fprintf(stderr, "Detailed description: %s\n", comment); 45 } 46 #if _MSC_VER && _DEBUG 47 if (1 == _CrtDbgReport(_CRT_ASSERT, location, line, "tbb_debug.dll", "%s\r\n%s", expression, comment?comment:"")) { 48 _CrtDbgBreak(); 49 } else 50 #endif 51 { 52 std::fflush(stderr); 53 std::abort(); 54 } 55 } 56 57 // Do not move the definition into the assertion_failure function because it will require "magic statics". 58 // It will bring a dependency on C++ runtime on some platforms while assert_impl.h is reused in tbbmalloc 59 // that should not depend on C++ runtime 60 static std::atomic<do_once_state> assertion_state; 61 62 void __TBB_EXPORTED_FUNC assertion_failure(const char* location, int line, const char* expression, const char* comment) { 63 #if __TBB_MSVC_UNREACHABLE_CODE_IGNORED 64 // Workaround for erroneous "unreachable code" during assertion throwing using call_once 65 #pragma warning (push) 66 #pragma warning (disable: 4702) 67 #endif 68 // We cannot use std::call_once because it brings a dependency on C++ runtime on some platforms 69 // while assert_impl.h is reused in tbbmalloc that should not depend on C++ runtime 70 atomic_do_once([&](){ assertion_failure_impl(location, line, expression, comment); }, assertion_state); 71 #if __TBB_MSVC_UNREACHABLE_CODE_IGNORED 72 #pragma warning (pop) 73 #endif 74 } 75 76 //! Report a runtime warning. 77 void runtime_warning( const char* format, ... ) { 78 char str[1024]; std::memset(str, 0, 1024); 79 va_list args; va_start(args, format); 80 vsnprintf( str, 1024-1, format, args); 81 va_end(args); 82 fprintf(stderr, "TBB Warning: %s\n", str); 83 } 84 85 } // namespace r1 86 } // namespace detail 87 } // namespace tbb 88 89 #endif // __TBB_assert_impl_H 90 91