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diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/concurrence.h b/gcc-4.4.3/libstdc++-v3/include/ext/concurrence.h
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index 71f8cd0a7..000000000
--- a/gcc-4.4.3/libstdc++-v3/include/ext/concurrence.h
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@@ -1,322 +0,0 @@
-// Support for concurrent programing -*- C++ -*-
-
-// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009
-// Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library. This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
-// <http://www.gnu.org/licenses/>.
-
-/** @file concurrence.h
- * This is an internal header file, included by other library headers.
- * You should not attempt to use it directly.
- */
-
-#ifndef _CONCURRENCE_H
-#define _CONCURRENCE_H 1
-
-#include <exception>
-#include <bits/gthr.h>
-#include <bits/functexcept.h>
-
-_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
-
- // Available locking policies:
- // _S_single single-threaded code that doesn't need to be locked.
- // _S_mutex multi-threaded code that requires additional support
- // from gthr.h or abstraction layers in concurrence.h.
- // _S_atomic multi-threaded code using atomic operations.
- enum _Lock_policy { _S_single, _S_mutex, _S_atomic };
-
- // Compile time constant that indicates prefered locking policy in
- // the current configuration.
- static const _Lock_policy __default_lock_policy =
-#ifdef __GTHREADS
-#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2) \
- && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4))
- _S_atomic;
-#else
- _S_mutex;
-#endif
-#else
- _S_single;
-#endif
-
- // NB: As this is used in libsupc++, need to only depend on
- // exception. No stdexception classes, no use of std::string.
- class __concurrence_lock_error : public std::exception
- {
- public:
- virtual char const*
- what() const throw()
- { return "__gnu_cxx::__concurrence_lock_error"; }
- };
-
- class __concurrence_unlock_error : public std::exception
- {
- public:
- virtual char const*
- what() const throw()
- { return "__gnu_cxx::__concurrence_unlock_error"; }
- };
-
- class __concurrence_broadcast_error : public std::exception
- {
- public:
- virtual char const*
- what() const throw()
- { return "__gnu_cxx::__concurrence_broadcast_error"; }
- };
-
- class __concurrence_wait_error : public std::exception
- {
- public:
- virtual char const*
- what() const throw()
- { return "__gnu_cxx::__concurrence_wait_error"; }
- };
-
- // Substitute for concurrence_error object in the case of -fno-exceptions.
- inline void
- __throw_concurrence_lock_error()
- {
-#if __EXCEPTIONS
- throw __concurrence_lock_error();
-#else
- __builtin_abort();
-#endif
- }
-
- inline void
- __throw_concurrence_unlock_error()
- {
-#if __EXCEPTIONS
- throw __concurrence_unlock_error();
-#else
- __builtin_abort();
-#endif
- }
-
-#ifdef __GTHREAD_HAS_COND
- inline void
- __throw_concurrence_broadcast_error()
- {
-#if __EXCEPTIONS
- throw __concurrence_broadcast_error();
-#else
- __builtin_abort();
-#endif
- }
-
- inline void
- __throw_concurrence_wait_error()
- {
-#if __EXCEPTIONS
- throw __concurrence_wait_error();
-#else
- __builtin_abort();
-#endif
- }
-#endif
-
- class __mutex
- {
- private:
- __gthread_mutex_t _M_mutex;
-
- __mutex(const __mutex&);
- __mutex& operator=(const __mutex&);
-
- public:
- __mutex()
- {
-#if __GTHREADS
- if (__gthread_active_p())
- {
-#if defined __GTHREAD_MUTEX_INIT
- __gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT;
- _M_mutex = __tmp;
-#else
- __GTHREAD_MUTEX_INIT_FUNCTION(&_M_mutex);
-#endif
- }
-#endif
- }
-
- void lock()
- {
-#if __GTHREADS
- if (__gthread_active_p())
- {
- if (__gthread_mutex_lock(&_M_mutex) != 0)
- __throw_concurrence_lock_error();
- }
-#endif
- }
-
- void unlock()
- {
-#if __GTHREADS
- if (__gthread_active_p())
- {
- if (__gthread_mutex_unlock(&_M_mutex) != 0)
- __throw_concurrence_unlock_error();
- }
-#endif
- }
-
- __gthread_mutex_t* gthread_mutex(void)
- { return &_M_mutex; }
- };
-
- class __recursive_mutex
- {
- private:
- __gthread_recursive_mutex_t _M_mutex;
-
- __recursive_mutex(const __recursive_mutex&);
- __recursive_mutex& operator=(const __recursive_mutex&);
-
- public:
- __recursive_mutex()
- {
-#if __GTHREADS
- if (__gthread_active_p())
- {
-#if defined __GTHREAD_RECURSIVE_MUTEX_INIT
- __gthread_recursive_mutex_t __tmp = __GTHREAD_RECURSIVE_MUTEX_INIT;
- _M_mutex = __tmp;
-#else
- __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION(&_M_mutex);
-#endif
- }
-#endif
- }
-
- void lock()
- {
-#if __GTHREADS
- if (__gthread_active_p())
- {
- if (__gthread_recursive_mutex_lock(&_M_mutex) != 0)
- __throw_concurrence_lock_error();
- }
-#endif
- }
-
- void unlock()
- {
-#if __GTHREADS
- if (__gthread_active_p())
- {
- if (__gthread_recursive_mutex_unlock(&_M_mutex) != 0)
- __throw_concurrence_unlock_error();
- }
-#endif
- }
-
- __gthread_recursive_mutex_t* gthread_recursive_mutex(void)
- { return &_M_mutex; }
- };
-
- /// Scoped lock idiom.
- // Acquire the mutex here with a constructor call, then release with
- // the destructor call in accordance with RAII style.
- class __scoped_lock
- {
- public:
- typedef __mutex __mutex_type;
-
- private:
- __mutex_type& _M_device;
-
- __scoped_lock(const __scoped_lock&);
- __scoped_lock& operator=(const __scoped_lock&);
-
- public:
- explicit __scoped_lock(__mutex_type& __name) : _M_device(__name)
- { _M_device.lock(); }
-
- ~__scoped_lock() throw()
- { _M_device.unlock(); }
- };
-
-#ifdef __GTHREAD_HAS_COND
- class __cond
- {
- private:
- __gthread_cond_t _M_cond;
-
- __cond(const __cond&);
- __cond& operator=(const __cond&);
-
- public:
- __cond()
- {
-#if __GTHREADS
- if (__gthread_active_p())
- {
-#if defined __GTHREAD_COND_INIT
- __gthread_cond_t __tmp = __GTHREAD_COND_INIT;
- _M_cond = __tmp;
-#else
- __GTHREAD_COND_INIT_FUNCTION(&_M_cond);
-#endif
- }
-#endif
- }
-
- void broadcast()
- {
-#if __GTHREADS
- if (__gthread_active_p())
- {
- if (__gthread_cond_broadcast(&_M_cond) != 0)
- __throw_concurrence_broadcast_error();
- }
-#endif
- }
-
- void wait(__mutex *mutex)
- {
-#if __GTHREADS
- {
- if (__gthread_cond_wait(&_M_cond, mutex->gthread_mutex()) != 0)
- __throw_concurrence_wait_error();
- }
-#endif
- }
-
- void wait_recursive(__recursive_mutex *mutex)
- {
-#if __GTHREADS
- {
- if (__gthread_cond_wait_recursive(&_M_cond,
- mutex->gthread_recursive_mutex())
- != 0)
- __throw_concurrence_wait_error();
- }
-#endif
- }
- };
-#endif
-
-_GLIBCXX_END_NAMESPACE
-
-#endif
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