// <mutex> -*- C++ -*-
-// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
+// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
// 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 2, or (at your option)
+// 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,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License
-// along with this library; see the file COPYING. If not, write to
-// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-// Boston, MA 02110-1301, USA.
+// 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.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// 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 mutex
* This is a Standard C++ Library header.
#pragma GCC system_header
#ifndef __GXX_EXPERIMENTAL_CXX0X__
-# include <c++0x_warning.h>
-#endif
+# include <bits/c++0x_warning.h>
+#else
-#include <exception>
+#include <tuple>
#include <cstddef>
+#include <chrono>
+#include <exception>
+#include <type_traits>
+#include <functional>
+#include <system_error>
#include <bits/functexcept.h>
#include <bits/gthr.h>
+#include <bits/move.h> // for std::swap
+
+#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
namespace std
{
- // XXX
- class system_time;
+ /**
+ * @defgroup mutexes Mutexes
+ * @ingroup concurrency
+ *
+ * Classes for mutex support.
+ * @{
+ */
/// mutex
class mutex
{
+ typedef __gthread_mutex_t __native_type;
+ __native_type _M_mutex;
+
public:
- typedef __gthread_mutex_t native_handle_type;
+ typedef __native_type* native_handle_type;
mutex()
{
// XXX EAGAIN, ENOMEM, EPERM, EBUSY(may), EINVAL(may)
-#if defined __GTHREAD_MUTEX_INIT
- native_handle_type __tmp = __GTHREAD_MUTEX_INIT;
+#ifdef __GTHREAD_MUTEX_INIT
+ __native_type __tmp = __GTHREAD_MUTEX_INIT;
_M_mutex = __tmp;
#else
__GTHREAD_MUTEX_INIT_FUNCTION(&_M_mutex);
#endif
}
+ mutex(const mutex&) = delete;
+ mutex& operator=(const mutex&) = delete;
+
void
lock()
{
int __e = __gthread_mutex_lock(&_M_mutex);
// EINVAL, EAGAIN, EBUSY, EINVAL, EDEADLK(may)
- if (__e)
- __throw_system_error(__e);
+ if (__e)
+ __throw_system_error(__e);
}
bool
try_lock()
{
- // XXX EINVAL, EAGAIN, EBUSY
- return !__gthread_mutex_trylock(&_M_mutex);
+ // XXX EINVAL, EAGAIN, EBUSY
+ return !__gthread_mutex_trylock(&_M_mutex);
}
void
unlock()
{
// XXX EINVAL, EAGAIN, EPERM
- __gthread_mutex_unlock(&_M_mutex);
+ __gthread_mutex_unlock(&_M_mutex);
}
native_handle_type
native_handle()
- { return _M_mutex; }
-
- private:
- native_handle_type _M_mutex;
- mutex(const mutex&);
- mutex& operator=(const mutex&);
+ { return &_M_mutex; }
};
-
/// recursive_mutex
class recursive_mutex
{
+ typedef __gthread_recursive_mutex_t __native_type;
+ __native_type _M_mutex;
+
public:
- typedef __gthread_recursive_mutex_t native_handle_type;
+ typedef __native_type* native_handle_type;
recursive_mutex()
{
// XXX EAGAIN, ENOMEM, EPERM, EBUSY(may), EINVAL(may)
-#if defined __GTHREAD_RECURSIVE_MUTEX_INIT
- native_handle_type __tmp = __GTHREAD_RECURSIVE_MUTEX_INIT;
+#ifdef __GTHREAD_RECURSIVE_MUTEX_INIT
+ __native_type __tmp = __GTHREAD_RECURSIVE_MUTEX_INIT;
_M_mutex = __tmp;
#else
__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION(&_M_mutex);
#endif
}
+ recursive_mutex(const recursive_mutex&) = delete;
+ recursive_mutex& operator=(const recursive_mutex&) = delete;
void
lock()
int __e = __gthread_recursive_mutex_lock(&_M_mutex);
// EINVAL, EAGAIN, EBUSY, EINVAL, EDEADLK(may)
- if (__e)
- __throw_system_error(__e);
+ if (__e)
+ __throw_system_error(__e);
}
bool
try_lock()
{
// XXX EINVAL, EAGAIN, EBUSY
- return !__gthread_recursive_mutex_trylock(&_M_mutex);
+ return !__gthread_recursive_mutex_trylock(&_M_mutex);
}
void
unlock()
{
// XXX EINVAL, EAGAIN, EBUSY
- __gthread_recursive_mutex_unlock(&_M_mutex);
+ __gthread_recursive_mutex_unlock(&_M_mutex);
}
native_handle_type
- native_handle() { return _M_mutex; }
+ native_handle()
+ { return &_M_mutex; }
+ };
+
+ /// timed_mutex
+ class timed_mutex
+ {
+ typedef __gthread_mutex_t __native_type;
+
+#ifdef _GLIBCXX_USE_CLOCK_MONOTONIC
+ typedef chrono::monotonic_clock __clock_t;
+#else
+ typedef chrono::high_resolution_clock __clock_t;
+#endif
+
+ __native_type _M_mutex;
+
+ public:
+ typedef __native_type* native_handle_type;
+
+ timed_mutex()
+ {
+#ifdef __GTHREAD_MUTEX_INIT
+ __native_type __tmp = __GTHREAD_MUTEX_INIT;
+ _M_mutex = __tmp;
+#else
+ __GTHREAD_MUTEX_INIT_FUNCTION(&_M_mutex);
+#endif
+ }
+
+ timed_mutex(const timed_mutex&) = delete;
+ timed_mutex& operator=(const timed_mutex&) = delete;
+
+ void
+ lock()
+ {
+ int __e = __gthread_mutex_lock(&_M_mutex);
+
+ // EINVAL, EAGAIN, EBUSY, EINVAL, EDEADLK(may)
+ if (__e)
+ __throw_system_error(__e);
+ }
+
+ bool
+ try_lock()
+ {
+ // XXX EINVAL, EAGAIN, EBUSY
+ return !__gthread_mutex_trylock(&_M_mutex);
+ }
+
+ template <class _Rep, class _Period>
+ bool
+ try_lock_for(const chrono::duration<_Rep, _Period>& __rtime)
+ { return __try_lock_for_impl(__rtime); }
+
+ template <class _Clock, class _Duration>
+ bool
+ try_lock_until(const chrono::time_point<_Clock, _Duration>& __atime)
+ {
+ chrono::time_point<_Clock, chrono::seconds> __s =
+ chrono::time_point_cast<chrono::seconds>(__atime);
+
+ chrono::nanoseconds __ns =
+ chrono::duration_cast<chrono::nanoseconds>(__atime - __s);
+
+ __gthread_time_t __ts = {
+ static_cast<std::time_t>(__s.time_since_epoch().count()),
+ static_cast<long>(__ns.count())
+ };
+
+ return !__gthread_mutex_timedlock(&_M_mutex, &__ts);
+ }
+
+ void
+ unlock()
+ {
+ // XXX EINVAL, EAGAIN, EBUSY
+ __gthread_mutex_unlock(&_M_mutex);
+ }
+
+ native_handle_type
+ native_handle()
+ { return &_M_mutex; }
private:
- native_handle_type _M_mutex;
+ template<typename _Rep, typename _Period>
+ typename enable_if<
+ ratio_less_equal<__clock_t::period, _Period>::value, bool>::type
+ __try_lock_for_impl(const chrono::duration<_Rep, _Period>& __rtime)
+ {
+ __clock_t::time_point __atime = __clock_t::now()
+ + chrono::duration_cast<__clock_t::duration>(__rtime);
- recursive_mutex(const recursive_mutex&);
- recursive_mutex& operator=(const recursive_mutex&);
+ return try_lock_until(__atime);
+ }
+
+ template <typename _Rep, typename _Period>
+ typename enable_if<
+ !ratio_less_equal<__clock_t::period, _Period>::value, bool>::type
+ __try_lock_for_impl(const chrono::duration<_Rep, _Period>& __rtime)
+ {
+ __clock_t::time_point __atime = __clock_t::now()
+ + ++chrono::duration_cast<__clock_t::duration>(__rtime);
+
+ return try_lock_until(__atime);
+ }
};
+ /// recursive_timed_mutex
+ class recursive_timed_mutex
+ {
+ typedef __gthread_recursive_mutex_t __native_type;
- // class timed_mutex;
- // class recursive_timed_mutex;
+#ifdef _GLIBCXX_USE_CLOCK_MONOTONIC
+ typedef chrono::monotonic_clock __clock_t;
+#else
+ typedef chrono::high_resolution_clock __clock_t;
+#endif
+
+ __native_type _M_mutex;
+
+ public:
+ typedef __native_type* native_handle_type;
+
+ recursive_timed_mutex()
+ {
+ // XXX EAGAIN, ENOMEM, EPERM, EBUSY(may), EINVAL(may)
+#ifdef __GTHREAD_RECURSIVE_MUTEX_INIT
+ __native_type __tmp = __GTHREAD_RECURSIVE_MUTEX_INIT;
+ _M_mutex = __tmp;
+#else
+ __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION(&_M_mutex);
+#endif
+ }
+
+ recursive_timed_mutex(const recursive_timed_mutex&) = delete;
+ recursive_timed_mutex& operator=(const recursive_timed_mutex&) = delete;
+
+ void
+ lock()
+ {
+ int __e = __gthread_recursive_mutex_lock(&_M_mutex);
+
+ // EINVAL, EAGAIN, EBUSY, EINVAL, EDEADLK(may)
+ if (__e)
+ __throw_system_error(__e);
+ }
+
+ bool
+ try_lock()
+ {
+ // XXX EINVAL, EAGAIN, EBUSY
+ return !__gthread_recursive_mutex_trylock(&_M_mutex);
+ }
+
+ template <class _Rep, class _Period>
+ bool
+ try_lock_for(const chrono::duration<_Rep, _Period>& __rtime)
+ { return __try_lock_for_impl(__rtime); }
+
+ template <class _Clock, class _Duration>
+ bool
+ try_lock_until(const chrono::time_point<_Clock, _Duration>& __atime)
+ {
+ chrono::time_point<_Clock, chrono::seconds> __s =
+ chrono::time_point_cast<chrono::seconds>(__atime);
+
+ chrono::nanoseconds __ns =
+ chrono::duration_cast<chrono::nanoseconds>(__atime - __s);
+
+ __gthread_time_t __ts = {
+ static_cast<std::time_t>(__s.time_since_epoch().count()),
+ static_cast<long>(__ns.count())
+ };
+
+ return !__gthread_recursive_mutex_timedlock(&_M_mutex, &__ts);
+ }
+
+ void
+ unlock()
+ {
+ // XXX EINVAL, EAGAIN, EBUSY
+ __gthread_recursive_mutex_unlock(&_M_mutex);
+ }
+
+ native_handle_type
+ native_handle()
+ { return &_M_mutex; }
+
+ private:
+ template<typename _Rep, typename _Period>
+ typename enable_if<
+ ratio_less_equal<__clock_t::period, _Period>::value, bool>::type
+ __try_lock_for_impl(const chrono::duration<_Rep, _Period>& __rtime)
+ {
+ __clock_t::time_point __atime = __clock_t::now()
+ + chrono::duration_cast<__clock_t::duration>(__rtime);
+
+ return try_lock_until(__atime);
+ }
+
+ template <typename _Rep, typename _Period>
+ typename enable_if<
+ !ratio_less_equal<__clock_t::period, _Period>::value, bool>::type
+ __try_lock_for_impl(const chrono::duration<_Rep, _Period>& __rtime)
+ {
+ __clock_t::time_point __atime = __clock_t::now()
+ + ++chrono::duration_cast<__clock_t::duration>(__rtime);
+
+ return try_lock_until(__atime);
+ }
+ };
/// Do not acquire ownership of the mutex.
struct defer_lock_t { };
extern const try_to_lock_t try_to_lock;
extern const adopt_lock_t adopt_lock;
- /// Thrown to indicate errors with lock operations.
- class lock_error : public exception
- {
- public:
- virtual const char*
- what() const throw();
- };
-
/// @brief Scoped lock idiom.
// Acquire the mutex here with a constructor call, then release with
// the destructor call in accordance with RAII style.
~lock_guard()
{ _M_device.unlock(); }
+ lock_guard(const lock_guard&) = delete;
+ lock_guard& operator=(const lock_guard&) = delete;
+
private:
mutex_type& _M_device;
- lock_guard(lock_guard const&);
- lock_guard& operator=(lock_guard const&);
};
/// unique_lock
public:
typedef _Mutex mutex_type;
- unique_lock() : _M_device(NULL), _M_owns(false) { }
+ unique_lock()
+ : _M_device(0), _M_owns(false)
+ { }
- explicit unique_lock(mutex_type& __m) : _M_device(&__m)
+ explicit unique_lock(mutex_type& __m)
+ : _M_device(&__m), _M_owns(false)
{
lock();
_M_owns = true;
}
unique_lock(mutex_type& __m, defer_lock_t)
- : _M_device(&__m), _M_owns(false) { }
+ : _M_device(&__m), _M_owns(false)
+ { }
unique_lock(mutex_type& __m, try_to_lock_t)
- : _M_device(&__m), _M_owns(_M_device->try_lock()) { }
+ : _M_device(&__m), _M_owns(_M_device->try_lock())
+ { }
unique_lock(mutex_type& __m, adopt_lock_t)
: _M_device(&__m), _M_owns(true)
// XXX calling thread owns mutex
}
- unique_lock(mutex_type& __m, const system_time& abs_time);
+ template<typename _Clock, typename _Duration>
+ unique_lock(mutex_type& __m,
+ const chrono::time_point<_Clock, _Duration>& __atime)
+ : _M_device(&__m), _M_owns(_M_device->try_lock_until(__atime))
+ { }
- template<typename _Duration>
- unique_lock(mutex_type& __m, const _Duration& rel_time);
+ template<typename _Rep, typename _Period>
+ unique_lock(mutex_type& __m,
+ const chrono::duration<_Rep, _Period>& __rtime)
+ : _M_device(&__m), _M_owns(_M_device->try_lock_for(__rtime))
+ { }
~unique_lock()
{
unlock();
}
- unique_lock(unique_lock&&);
+ unique_lock(const unique_lock&) = delete;
+ unique_lock& operator=(const unique_lock&) = delete;
+
+ unique_lock(unique_lock&& __u)
+ : _M_device(__u._M_device), _M_owns(__u._M_owns)
+ {
+ __u._M_device = 0;
+ __u._M_owns = false;
+ }
+
+ unique_lock& operator=(unique_lock&& __u)
+ {
+ if(_M_owns)
+ unlock();
+
+ unique_lock(std::move(__u)).swap(*this);
- unique_lock& operator=(unique_lock&&);
+ __u._M_device = 0;
+ __u._M_owns = false;
+ return *this;
+ }
void
lock()
{
- if (_M_device && !_M_owns)
- _M_device->lock();
+ if (!_M_device)
+ __throw_system_error(int(errc::operation_not_permitted));
+ else if (_M_owns)
+ __throw_system_error(int(errc::resource_deadlock_would_occur));
else
- throw lock_error();
+ {
+ _M_device->lock();
+ _M_owns = true;
+ }
}
bool
try_lock()
{
- bool __ret = false;
- if (_M_device && !_M_owns)
- __ret = _M_device->try_lock();
+ if (!_M_device)
+ __throw_system_error(int(errc::operation_not_permitted));
+ else if (_M_owns)
+ __throw_system_error(int(errc::resource_deadlock_would_occur));
else
- throw lock_error();
- return __ret;
+ {
+ _M_owns = _M_device->try_lock();
+ return _M_owns;
+ }
}
+ template<typename _Clock, typename _Duration>
+ bool
+ try_lock_until(const chrono::time_point<_Clock, _Duration>& __atime)
+ {
+ if (!_M_device)
+ __throw_system_error(int(errc::operation_not_permitted));
+ else if (_M_owns)
+ __throw_system_error(int(errc::resource_deadlock_would_occur));
+ else
+ {
+ _M_owns = _M_device->try_lock_until(__atime);
+ return _M_owns;
+ }
+ }
+
+ template<typename _Rep, typename _Period>
+ bool
+ try_lock_for(const chrono::duration<_Rep, _Period>& __rtime)
+ {
+ if (!_M_device)
+ __throw_system_error(int(errc::operation_not_permitted));
+ else if (_M_owns)
+ __throw_system_error(int(errc::resource_deadlock_would_occur));
+ else
+ {
+ _M_owns = _M_device->try_lock_for(__rtime);
+ return _M_owns;
+ }
+ }
+
void
unlock()
{
- if (_M_device && _M_owns)
- _M_device->unlock();
- else
- throw lock_error();
+ if (!_M_owns)
+ __throw_system_error(int(errc::operation_not_permitted));
+ else if (_M_device)
+ {
+ _M_device->unlock();
+ _M_owns = false;
+ }
}
-
- template<typename _Duration>
- bool timed_lock(const _Duration& rel_time);
-
- bool
- timed_lock(const system_time& abs_time);
-
void
- swap(unique_lock&& __u);
+ swap(unique_lock& __u)
+ {
+ std::swap(_M_device, __u._M_device);
+ std::swap(_M_owns, __u._M_owns);
+ }
mutex_type*
release()
{
mutex_type* __ret = _M_device;
- _M_device = NULL;
+ _M_device = 0;
_M_owns = false;
return __ret;
}
bool
- owns_lock() const { return _M_owns; }
+ owns_lock() const
+ { return _M_owns; }
- operator bool () const { return owns_lock(); }
+ explicit operator bool() const
+ { return owns_lock(); }
mutex_type*
mutex() const
{ return _M_device; }
private:
- unique_lock(unique_lock const&);
- unique_lock& operator=(unique_lock const&);
-
mutex_type* _M_device;
bool _M_owns; // XXX use atomic_bool
};
template<typename _Mutex>
- void
- swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y);
+ inline void
+ swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y)
+ { __x.swap(__y); }
- template<typename _Mutex>
- void
- swap(unique_lock<_Mutex>&& __x, unique_lock<_Mutex>& __y);
+ template<int _Idx>
+ struct __unlock_impl
+ {
+ template<typename... _Lock>
+ static void
+ __do_unlock(tuple<_Lock&...>& __locks)
+ {
+ std::get<_Idx>(__locks).unlock();
+ __unlock_impl<_Idx - 1>::__do_unlock(__locks);
+ }
+ };
- template<typename _Mutex>
- void
- swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>&& __y);
+ template<>
+ struct __unlock_impl<-1>
+ {
+ template<typename... _Lock>
+ static void
+ __do_unlock(tuple<_Lock&...>&)
+ { }
+ };
- template<typename _L1, typename _L2, typename ..._L3>
+ template<int _Idx, bool _Continue = true>
+ struct __try_lock_impl
+ {
+ template<typename... _Lock>
+ static int
+ __do_try_lock(tuple<_Lock&...>& __locks)
+ {
+ if(std::get<_Idx>(__locks).try_lock())
+ {
+ return __try_lock_impl<_Idx + 1,
+ _Idx + 2 < sizeof...(_Lock)>::__do_try_lock(__locks);
+ }
+ else
+ {
+ __unlock_impl<_Idx>::__do_unlock(__locks);
+ return _Idx;
+ }
+ }
+ };
+
+ template<int _Idx>
+ struct __try_lock_impl<_Idx, false>
+ {
+ template<typename... _Lock>
+ static int
+ __do_try_lock(tuple<_Lock&...>& __locks)
+ {
+ if(std::get<_Idx>(__locks).try_lock())
+ return -1;
+ else
+ {
+ __unlock_impl<_Idx>::__do_unlock(__locks);
+ return _Idx;
+ }
+ }
+ };
+
+ /** @brief Generic try_lock.
+ * @param __l1 Meets Mutex requirements (try_lock() may throw).
+ * @param __l2 Meets Mutex requirements (try_lock() may throw).
+ * @param __l3 Meets Mutex requirements (try_lock() may throw).
+ * @return Returns -1 if all try_lock() calls return true. Otherwise returns
+ * a 0-based index corresponding to the argument that returned false.
+ * @post Either all arguments are locked, or none will be.
+ *
+ * Sequentially calls try_lock() on each argument.
+ */
+ template<typename _Lock1, typename _Lock2, typename... _Lock3>
int
- try_lock(_L1&, _L2&, _L3&...);
+ try_lock(_Lock1& __l1, _Lock2& __l2, _Lock3&... __l3)
+ {
+ tuple<_Lock1&, _Lock2&, _Lock3&...> __locks(__l1, __l2, __l3...);
+ return __try_lock_impl<0>::__do_try_lock(__locks);
+ }
+ /// lock
template<typename _L1, typename _L2, typename ..._L3>
void
lock(_L1&, _L2&, _L3&...);
/// once_flag
struct once_flag
{
+ private:
typedef __gthread_once_t __native_type;
+ __native_type _M_once;
+ public:
once_flag()
{
__native_type __tmp = __GTHREAD_ONCE_INIT;
_M_once = __tmp;
}
- __native_type&
- _M_get() { return _M_once; }
+ once_flag(const once_flag&) = delete;
+ once_flag& operator=(const once_flag&) = delete;
- private:
- __native_type _M_once;
- once_flag(const once_flag&);
- once_flag& operator=(const once_flag&);
+ template<typename _Callable, typename... _Args>
+ friend void
+ call_once(once_flag& __once, _Callable __f, _Args&&... __args);
};
+#ifdef _GLIBCXX_HAVE_TLS
+ extern __thread void* __once_callable;
+ extern __thread void (*__once_call)();
+
+ template<typename _Callable>
+ inline void
+ __once_call_impl()
+ {
+ (*(_Callable*)__once_callable)();
+ }
+#else
+ extern function<void()> __once_functor;
+
+ extern void
+ __set_once_functor_lock_ptr(unique_lock<mutex>*);
+
+ extern mutex&
+ __get_once_mutex();
+#endif
+
+ extern "C" void __once_proxy();
+
+ /// call_once
template<typename _Callable, typename... _Args>
void
call_once(once_flag& __once, _Callable __f, _Args&&... __args)
{
- int __e = __gthread_once(&(__once._M_get()), __f(__args...));
+#ifdef _GLIBCXX_HAVE_TLS
+ auto __bound_functor = std::bind<void>(__f, __args...);
+ __once_callable = &__bound_functor;
+ __once_call = &__once_call_impl<decltype(__bound_functor)>;
+#else
+ unique_lock<mutex> __functor_lock(__get_once_mutex());
+ __once_functor = std::bind<void>(__f, __args...);
+ __set_once_functor_lock_ptr(&__functor_lock);
+#endif
+
+ int __e = __gthread_once(&(__once._M_once), &__once_proxy);
+
+#ifndef _GLIBCXX_HAVE_TLS
+ if (__functor_lock)
+ __set_once_functor_lock_ptr(0);
+#endif
+
if (__e)
__throw_system_error(__e);
}
+
+ // @} group mutexes
}
+#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
-#endif
+#endif // __GXX_EXPERIMENTAL_CXX0X__
+
+#endif // _GLIBCXX_MUTEX
OSDN Git Service
