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 #if __TBBMALLOC_BUILD 34 namespace rml { namespace internal { 35 #else 36 namespace tbb { 37 namespace detail { 38 namespace r1 { 39 #endif 40 // TODO: consider extension for formatted error description string 41 static void assertion_failure_impl(const char* location, int line, const char* expression, const char* comment) { 42 43 std::fprintf(stderr, "Assertion %s failed (located in the %s function, line in file: %d)\n", 44 expression, location, line); 45 46 if (comment) { 47 std::fprintf(stderr, "Detailed description: %s\n", comment); 48 } 49 #if _MSC_VER && _DEBUG 50 if (1 == _CrtDbgReport(_CRT_ASSERT, location, line, "tbb_debug.dll", "%s\r\n%s", expression, comment?comment:"")) { 51 _CrtDbgBreak(); 52 } else 53 #endif 54 { 55 std::fflush(stderr); 56 std::abort(); 57 } 58 } 59 60 // Do not move the definition into the assertion_failure function because it will require "magic statics". 61 // It will bring a dependency on C++ runtime on some platforms while assert_impl.h is reused in tbbmalloc 62 // that should not depend on C++ runtime 63 static std::atomic<tbb::detail::do_once_state> assertion_state; 64 65 void __TBB_EXPORTED_FUNC assertion_failure(const char* location, int line, const char* expression, const char* comment) { 66 #if __TBB_MSVC_UNREACHABLE_CODE_IGNORED 67 // Workaround for erroneous "unreachable code" during assertion throwing using call_once 68 #pragma warning (push) 69 #pragma warning (disable: 4702) 70 #endif 71 // We cannot use std::call_once because it brings a dependency on C++ runtime on some platforms 72 // while assert_impl.h is reused in tbbmalloc that should not depend on C++ runtime 73 atomic_do_once([&](){ assertion_failure_impl(location, line, expression, comment); }, assertion_state); 74 #if __TBB_MSVC_UNREACHABLE_CODE_IGNORED 75 #pragma warning (pop) 76 #endif 77 } 78 79 //! Report a runtime warning. 80 void runtime_warning( const char* format, ... ) { 81 char str[1024]; std::memset(str, 0, 1024); 82 va_list args; va_start(args, format); 83 vsnprintf( str, 1024-1, format, args); 84 va_end(args); 85 fprintf(stderr, "TBB Warning: %s\n", str); 86 } 87 88 #if __TBBMALLOC_BUILD 89 }} // namespaces rml::internal 90 #else 91 } // namespace r1 92 } // namespace detail 93 } // namespace tbb 94 #endif 95 96 #endif // __TBB_assert_impl_H 97 98