| Index: gcc/libstdc++-v3/include/ext/concurrence.h
|
| diff --git a/gcc/libstdc++-v3/include/ext/concurrence.h b/gcc/libstdc++-v3/include/ext/concurrence.h
|
| deleted file mode 100644
|
| index 71f8cd0a707d85c7e31129c4fb104e1aac47c682..0000000000000000000000000000000000000000
|
| --- a/gcc/libstdc++-v3/include/ext/concurrence.h
|
| +++ /dev/null
|
| @@ -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
|
|
|