FM / common

/usr/include/stxxl/bits/common

Name	Size	Mode	Actions
addressable_queues.h	6036	0644	edit dl rm
aligned_alloc.h	5387	0644	edit dl rm
binary_buffer.h	20063	0644	edit dl rm
cmdline.h	23482	0644	edit dl rm
condition_variable.h	2141	0644	edit dl rm
counting_ptr.h	16404	0644	edit dl rm
error_handling.h	7702	0644	edit dl rm
exceptions.h	2000	0644	edit dl rm
exithandler.h	1400	0644	edit dl rm
external_shared_ptr.h	3760	0644	edit dl rm
is_sorted.h	1818	0644	edit dl rm
log.h	1265	0644	edit dl rm
mutex.h	3332	0644	edit dl rm
new_alloc.h	3901	0644	edit dl rm
onoff_switch.h	2146	0644	edit dl rm
rand.h	8191	0644	edit dl rm
seed.h	863	0644	edit dl rm
semaphore.h	2449	0644	edit dl rm
settings.h	971	0644	edit dl rm
simple_vector.h	4639	0644	edit dl rm
state.h	1687	0644	edit dl rm
timer.h	4662	0644	edit dl rm
tmeta.h	2988	0644	edit dl rm
tuple.h	19553	0644	edit dl rm
types.h	1923	0644	edit dl rm
uint_types.h	9572	0644	edit dl rm
utils.h	8380	0644	edit dl rm

Edit: /usr/include/stxxl/bits/common/state.h (1687B)

/***************************************************************************
 *  include/stxxl/bits/common/state.h
 *
 *  Part of the STXXL. See http://stxxl.sourceforge.net
 *
 *  Copyright (C) 2002 Roman Dementiev <dementiev@mpi-sb.mpg.de>
 *  Copyright (C) 2008 Andreas Beckmann <beckmann@cs.uni-frankfurt.de>
 *  Copyright (C) 2013 Timo Bingmann <tb@panthema.net>
 *
 *  Distributed under the Boost Software License, Version 1.0.
 *  (See accompanying file LICENSE_1_0.txt or copy at
 *  http://www.boost.org/LICENSE_1_0.txt)
 **************************************************************************/

#ifndef STXXL_COMMON_STATE_HEADER
#define STXXL_COMMON_STATE_HEADER

#include <stxxl/bits/noncopyable.h>
#include <stxxl/bits/common/mutex.h>
#include <stxxl/bits/common/condition_variable.h>

STXXL_BEGIN_NAMESPACE

template <typename ValueType = int>
class state : private noncopyable
{
    typedef ValueType value_type;

//! mutex for condition variable
    mutex m_mutex;

//! condition variable
    condition_variable m_cond;

//! current state
    value_type m_state;

public:
    state(const value_type& s)
        : m_state(s)
    { }

void set_to(const value_type& new_state)
    {
        scoped_mutex_lock lock(m_mutex);
        m_state = new_state;
        lock.unlock();
        m_cond.notify_all();
    }

void wait_for(const value_type& needed_state)
    {
        scoped_mutex_lock lock(m_mutex);
        while (needed_state != m_state)
            m_cond.wait(lock);
    }

value_type operator () ()
    {
        scoped_mutex_lock lock(m_mutex);
        return m_state;
    }
};

STXXL_END_NAMESPACE

#endif // !STXXL_COMMON_STATE_HEADER

/*************************************************************************** * include/stxxl/bits/common/state.h * * Part of the STXXL. See http://stxxl.sourceforge.net * * Copyright (C) 2002 Roman Dementiev * Copyright (C) 2008 Andreas Beckmann * Copyright (C) 2013 Timo Bingmann * * Distributed under the Boost Software License, Version 1.0. * (See accompanying file LICENSE_1_0.txt or copy at * http://www.boost.org/LICENSE_1_0.txt) **************************************************************************/ #ifndef STXXL_COMMON_STATE_HEADER #define STXXL_COMMON_STATE_HEADER #include #include #include STXXL_BEGIN_NAMESPACE template class state : private noncopyable { typedef ValueType value_type; //! mutex for condition variable mutex m_mutex; //! condition variable condition_variable m_cond; //! current state value_type m_state; public: state(const value_type& s) : m_state(s) { } void set_to(const value_type& new_state) { scoped_mutex_lock lock(m_mutex); m_state = new_state; lock.unlock(); m_cond.notify_all(); } void wait_for(const value_type& needed_state) { scoped_mutex_lock lock(m_mutex); while (needed_state != m_state) m_cond.wait(lock); } value_type operator () () { scoped_mutex_lock lock(m_mutex); return m_state; } }; STXXL_END_NAMESPACE #endif // !STXXL_COMMON_STATE_HEADER