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The C and C++ Include Header Files

cat -n /usr/include/c++/15/bits/cxxabi_init_exception.h

     1	// ABI Support -*- C++ -*-
     2	
     3	// Copyright (C) 2016-2025 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 bits/cxxabi_init_exception.h
    27	 *  This is an internal header file, included by other library headers.
    28	 *  Do not attempt to use it directly.
    29	 */
    30	
    31	#ifndef _CXXABI_INIT_EXCEPTION_H
    32	#define _CXXABI_INIT_EXCEPTION_H 1
    33	
    34	#ifdef _GLIBCXX_SYSHDR
    35	#pragma GCC system_header
    36	#endif
    37	
    38	#pragma GCC visibility push(default)
    39	
    40	#include <stddef.h>
    41	#include <bits/c++config.h>
    42	
    43	#ifndef _GLIBCXX_CDTOR_CALLABI
    44	#define _GLIBCXX_CDTOR_CALLABI
    45	#define _GLIBCXX_HAVE_CDTOR_CALLABI 0
    46	#else
    47	#define _GLIBCXX_HAVE_CDTOR_CALLABI 1
    48	#endif
    49	
    50	#ifdef __cplusplus
    51	
    52	namespace std
    53	{
    54	  class type_info;
    55	}
    56	
    57	namespace __cxxabiv1
    58	{
    59	  struct __cxa_refcounted_exception;
    60	
    61	  extern "C"
    62	    {
    63	      // Allocate memory for the primary exception plus the thrown object.
    64	      void*
    65	      __cxa_allocate_exception(size_t) _GLIBCXX_NOTHROW;
    66	
    67	      void
    68	      __cxa_free_exception(void*) _GLIBCXX_NOTHROW;
    69	
    70	      // Initialize exception (this is a GNU extension)
    71	      __cxa_refcounted_exception*
    72	      __cxa_init_primary_exception(void *__object, std::type_info *__tinfo,
    73	                void (_GLIBCXX_CDTOR_CALLABI *__dest) (void *))
    74		_GLIBCXX_NOTHROW;
    75	
    76	    }
    77	} // namespace __cxxabiv1
    78	
    79	#endif
    80	
    81	#pragma GCC visibility pop
    82	
    83	#endif // _CXXABI_INIT_EXCEPTION_H