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2004-01-28 Benjamin Kosnik <bkoz@redhat.com> * src/globals_io.cc: Change to __gnu_internal namespace. * src/globals_locale.cc: Same. * src/locale_init.cc: Same. * src/ios_init.cc: Same. From-SVN: r76810
130 lines
4.9 KiB
C++
130 lines
4.9 KiB
C++
// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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#include "bits/c++config.h"
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#include "bits/gthr.h"
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#include <fstream>
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#include <istream>
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#include <ostream>
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#include <ext/stdio_filebuf.h>
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#include <ext/stdio_sync_filebuf.h>
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// On AIX, and perhaps other systems, library initialization order is
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// not guaranteed. For example, the static initializers for the main
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// program might run before the static initializers for this library.
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// That means that we cannot rely on static initialization in the
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// library; there is no guarantee that things will get initialized in
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// time. This file contains definitions of all global variables that
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// require initialization as arrays of characters.
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// NB: asm directives can rename these non-exported, namespace
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// __gnu_cxx symbols into exported, namespace std symbols with the
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// appropriate symbol version name.
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// The rename syntax is
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// asm (".symver currentname,oldname@@GLIBCXX_3.2")
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// In macro form:
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// _GLIBCXX_ASM_SYMVER(currentname, oldname, GLIBCXX_3.2)
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namespace std
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{
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// Standard stream objects.
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// NB: Iff <iostream> is included, these definitions become wonky.
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typedef char fake_istream[sizeof(istream)]
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__attribute__ ((aligned(__alignof__(istream))));
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typedef char fake_ostream[sizeof(ostream)]
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__attribute__ ((aligned(__alignof__(ostream))));
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fake_istream cin;
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fake_ostream cout;
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fake_ostream cerr;
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fake_ostream clog;
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#ifdef _GLIBCXX_USE_WCHAR_T
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typedef char fake_wistream[sizeof(wistream)]
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__attribute__ ((aligned(__alignof__(wistream))));
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typedef char fake_wostream[sizeof(wostream)]
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__attribute__ ((aligned(__alignof__(wostream))));
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fake_wistream wcin;
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fake_wostream wcout;
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fake_wostream wcerr;
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fake_wostream wclog;
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#endif
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} // namespace std
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namespace __gnu_internal
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{
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using namespace std;
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using namespace __gnu_cxx;
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// We use different stream buffer types depending on whether
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// ios_base::sync_with_stdio(false) has been called.
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typedef char fake_stdiobuf[sizeof(stdio_sync_filebuf<char>)]
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__attribute__ ((aligned(__alignof__(stdio_sync_filebuf<char>))));
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fake_stdiobuf buf_cout_sync;
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fake_stdiobuf buf_cin_sync;
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fake_stdiobuf buf_cerr_sync;
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typedef char fake_filebuf[sizeof(stdio_filebuf<char>)]
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__attribute__ ((aligned(__alignof__(stdio_filebuf<char>))));
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fake_filebuf buf_cout;
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fake_filebuf buf_cin;
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fake_filebuf buf_cerr;
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#ifdef _GLIBCXX_USE_WCHAR_T
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typedef char fake_wstdiobuf[sizeof(stdio_sync_filebuf<wchar_t>)]
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__attribute__ ((aligned(__alignof__(stdio_sync_filebuf<wchar_t>))));
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fake_wstdiobuf buf_wcout_sync;
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fake_wstdiobuf buf_wcin_sync;
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fake_wstdiobuf buf_wcerr_sync;
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typedef char fake_wfilebuf[sizeof(stdio_filebuf<wchar_t>)]
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__attribute__ ((aligned(__alignof__(stdio_filebuf<wchar_t>))));
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fake_wfilebuf buf_wcout;
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fake_wfilebuf buf_wcin;
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fake_wfilebuf buf_wcerr;
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#endif
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// Globals for once-only runtime initialization of mutex objects. This
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// allows static initialization of these objects on systems that need a
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// function call to initialize a mutex. For example, see stl_threads.h.
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#ifdef __GTHREAD_MUTEX_INIT
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#elif defined(__GTHREAD_MUTEX_INIT_FUNCTION)
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__gthread_once_t _GLIBCXX_once = __GTHREAD_ONCE_INIT;
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__gthread_mutex_t _GLIBCXX_mutex;
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__gthread_mutex_t *_GLIBCXX_mutex_address;
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// Once-only initializer function for _GLIBCXX_mutex.
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void
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_GLIBCXX_mutex_init ()
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{ __GTHREAD_MUTEX_INIT_FUNCTION (&_GLIBCXX_mutex); }
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// Once-only initializer function for _GLIBCXX_mutex_address.
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void
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_GLIBCXX_mutex_address_init ()
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{ __GTHREAD_MUTEX_INIT_FUNCTION (_GLIBCXX_mutex_address); }
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#endif
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} // namespace __gnu_internal
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