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The C and C++ Include Header Files
/usr/include/c++/13/exception
$ cat -n /usr/include/c++/13/exception 1 // Exception Handling support header for -*- C++ -*- 2 3 // Copyright (C) 1995-2023 Free Software Foundation, Inc. 4 // 5 // This file is part of GCC. 6 // 7 // GCC is free software; you can redistribute it and/or modify 8 // it under the terms of the GNU General Public License as published by 9 // the Free Software Foundation; either version 3, or (at your option) 10 // any later version. 11 // 12 // GCC is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 // 17 // Under Section 7 of GPL version 3, you are granted additional 18 // permissions described in the GCC Runtime Library Exception, version 19 // 3.1, as published by the Free Software Foundation. 20 21 // You should have received a copy of the GNU General Public License and 22 // a copy of the GCC Runtime Library Exception along with this program; 23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 // <http://www.gnu.org/licenses/>. 25 26 /** @file exception 27 * This is a Standard C++ Library header. 28 */ 29 30 #ifndef __EXCEPTION__ 31 #define __EXCEPTION__ 32 33 #pragma GCC system_header 34 35 #include <bits/c++config.h> 36 #include <bits/exception.h> 37 38 extern "C++" { 39 40 namespace std _GLIBCXX_VISIBILITY(default) 41 { 42 /** @addtogroup exceptions 43 * @{ 44 */ 45 46 /** If an %exception is thrown which is not listed in a function's 47 * %exception specification, one of these may be thrown. 48 * 49 * @ingroup exceptions 50 */ 51 class bad_exception : public exception 52 { 53 public: 54 bad_exception() _GLIBCXX_USE_NOEXCEPT { } 55 56 // This declaration is not useless: 57 // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118 58 virtual ~bad_exception() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT; 59 60 // See comment in eh_exception.cc. 61 virtual const char* 62 what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_USE_NOEXCEPT; 63 }; 64 65 /// If you write a replacement %terminate handler, it must be of this type. 66 typedef void (*terminate_handler) (); 67 68 /// Takes a new handler function as an argument, returns the old function. 69 terminate_handler set_terminate(terminate_handler) _GLIBCXX_USE_NOEXCEPT; 70 71 #if __cplusplus >= 201103L 72 /// Return the current terminate handler. 73 terminate_handler get_terminate() noexcept; 74 #endif 75 76 /** The runtime will call this function if %exception handling must be 77 * abandoned for any reason. It can also be called by the user. */ 78 void terminate() _GLIBCXX_USE_NOEXCEPT __attribute__ ((__noreturn__)); 79 80 #if __cplusplus < 201703L || (__cplusplus <= 202002L && _GLIBCXX_USE_DEPRECATED) 81 /// If you write a replacement %unexpected handler, it must be of this type. 82 typedef void (*_GLIBCXX11_DEPRECATED unexpected_handler) (); 83 84 /** Takes a new handler function as an argument, returns the old function. 85 * 86 * @deprecated Removed from the C++ standard in C++17 87 */ 88 _GLIBCXX11_DEPRECATED 89 unexpected_handler set_unexpected(unexpected_handler) _GLIBCXX_USE_NOEXCEPT; 90 91 #if __cplusplus >= 201103L 92 /** Return the current unexpected handler. 93 * 94 * @since C++11 95 * @deprecated Removed from the C++ standard in C++17 96 */ 97 _GLIBCXX11_DEPRECATED 98 unexpected_handler get_unexpected() noexcept; 99 #endif 100 101 /** The runtime will call this function if an %exception is thrown which 102 * violates the function's %exception specification. 103 * 104 * @deprecated Removed from the C++ standard in C++17 105 */ 106 _GLIBCXX11_DEPRECATED 107 void unexpected() __attribute__ ((__noreturn__)); 108 #endif 109 110 /** [18.6.4]/1: 'Returns true after completing evaluation of a 111 * throw-expression until either completing initialization of the 112 * exception-declaration in the matching handler or entering `unexpected()` 113 * due to the throw; or after entering `terminate()` for any reason 114 * other than an explicit call to `terminate()`. [Note: This includes 115 * stack unwinding [15.2]. end note]' 116 * 117 * 2: 'When `uncaught_exception()` is true, throwing an 118 * %exception can result in a call of 1terminate()` 119 * (15.5.1).' 120 */ 121 _GLIBCXX17_DEPRECATED_SUGGEST("std::uncaught_exceptions()") 122 bool uncaught_exception() _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__)); 123 124 #if __cplusplus >= 201703L || !defined(__STRICT_ANSI__) // c++17 or gnu++98 125 #define __cpp_lib_uncaught_exceptions 201411L 126 /** The number of uncaught exceptions. 127 * @since C++17, or any non-strict mode, e.g. `-std=gnu++98` 128 * @see uncaught_exception() 129 */ 130 int uncaught_exceptions() _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__)); 131 #endif 132 133 /// @} group exceptions 134 } // namespace std 135 136 namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) 137 { 138 _GLIBCXX_BEGIN_NAMESPACE_VERSION 139 140 /** 141 * @brief A replacement for the standard terminate_handler which 142 * prints more information about the terminating exception (if any) 143 * on stderr. 144 * 145 * @ingroup exceptions 146 * 147 * Call 148 * @code 149 * std::set_terminate(__gnu_cxx::__verbose_terminate_handler) 150 * @endcode 151 * to use. For more info, see 152 * http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt02ch06s02.html 153 * 154 * In 3.4 and later, this is on by default. 155 */ 156 void __verbose_terminate_handler(); 157 158 _GLIBCXX_END_NAMESPACE_VERSION 159 } // namespace 160 161 } // extern "C++" 162 163 #if (__cplusplus >= 201103L) 164 #include <bits/exception_ptr.h> 165 #include <bits/nested_exception.h> 166 #endif 167 168 #endif
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