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 //////////////////////////////////////////////////////////////////////////////
 //
 // (C) Copyright Ion Gaztanaga 2012-2012. 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)
 //
 // See http://www.boost.org/libs/interprocess for documentation.
 //
 //////////////////////////////////////////////////////////////////////////////
 
 #ifndef BOOST_INTERPROCESS_CONDITION_ANY_HPP
 #define BOOST_INTERPROCESS_CONDITION_ANY_HPP
 
 #ifndef BOOST_CONFIG_HPP
 #  include <boost/config.hpp>
 #endif
 #
 #if defined(BOOST_HAS_PRAGMA_ONCE)
 #  pragma once
 #endif
 
 #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
 
 #include <boost/interprocess/detail/config_begin.hpp>
 #include <boost/interprocess/detail/workaround.hpp>
 
 #include <boost/interprocess/sync/cv_status.hpp>
 #include <boost/interprocess/sync/interprocess_mutex.hpp>
 #include <boost/interprocess/sync/interprocess_condition.hpp>
 #include <boost/interprocess/exceptions.hpp>
 #include <boost/interprocess/sync/detail/condition_any_algorithm.hpp>
 
 #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
 
 //!\file
 //!Describes process-shared variables interprocess_condition_any class
 
 namespace boost {
 namespace interprocess {
 
 //!This class is a condition variable that can be placed in shared memory or
 //!memory mapped files.
 //!
 //!The interprocess_condition_any class is a generalization of interprocess_condition.
 //!Whereas interprocess_condition works only on Locks with mutex_type == interprocess_mutex
 //!interprocess_condition_any can operate on any user-defined lock that meets the BasicLockable
 //!requirements (lock()/unlock() member functions).
 //!
 //!Unlike std::condition_variable_any in C++11, it is NOT safe to invoke the destructor if all
 //!threads have been only notified. It is required that they have exited their respective wait
 //!functions.
 class interprocess_condition_any
 {
    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
    //Non-copyable
    interprocess_condition_any(const interprocess_condition_any &);
    interprocess_condition_any &operator=(const interprocess_condition_any &);
 
    class members
    {
       public:
       typedef interprocess_condition   condvar_type;
       typedef interprocess_mutex       mutex_type;
 
       condvar_type &get_condvar() {  return m_cond;  }
       mutex_type   &get_mutex()   {  return m_mut; }
 
       private:
       condvar_type   m_cond;
       mutex_type     m_mut;
    };
 
    ipcdetail::condition_any_wrapper<members>   m_cond;
 
    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
    public:
    //!Constructs a interprocess_condition_any. On error throws interprocess_exception.
    interprocess_condition_any(){}
 
    //!Destroys *this
    //!liberating system resources.
    ~interprocess_condition_any(){}
 
    //!If there is a thread waiting on *this, change that
    //!thread's state to ready. Otherwise there is no effect.
    void notify_one()
    {  m_cond.notify_one();  }
 
    //!Change the state of all threads waiting on *this to ready.
    //!If there are no waiting threads, notify_all() has no effect.
    void notify_all()
    {  m_cond.notify_all();  }
 
    //!Releases the lock on the interprocess_mutex object associated with lock, blocks
    //!the current thread of execution until readied by a call to
    //!this->notify_one() or this->notify_all(), and then reacquires the lock.
    template <typename L>
    void wait(L& lock)
    {  m_cond.wait(lock);  }
 
    //!The same as:
    //!while (!pred()) wait(lock)
    template <typename L, typename Pr>
    void wait(L& lock, Pr pred)
    {  m_cond.wait(lock, pred);  }
 
    //!Releases the lock on the interprocess_mutex object associated with lock, blocks
    //!the current thread of execution until readied by a call to
    //!this->notify_one() or this->notify_all(), or until time abs_time is reached,
    //!and then reacquires the lock.
    //!Returns: false if time abs_time is reached, otherwise true.
    template <typename L, class TimePoint>
    bool timed_wait(L& lock, const TimePoint &abs_time)
    {  return m_cond.timed_wait(lock, abs_time);  }
 
    //!The same as:   while (!pred()) {
    //!                  if (!timed_wait(lock, abs_time)) return pred();
    //!               } return true;
    template <typename L, class TimePoint, typename Pr>
    bool timed_wait(L& lock, const TimePoint &abs_time, Pr pred)
    {  return m_cond.timed_wait(lock, abs_time, pred);  }
 
    //!Same as `timed_wait`, but this function is modeled after the
    //!standard library interface.
    template <typename L, class TimePoint>
    cv_status wait_until(L& lock, const TimePoint &abs_time)
    {  return this->timed_wait(lock, abs_time) ? cv_status::no_timeout : cv_status::timeout; }
 
    //!Same as `timed_wait`, but this function is modeled after the
    //!standard library interface.
    template <typename L, class TimePoint, typename Pr>
    bool wait_until(L& lock, const TimePoint &abs_time, Pr pred)
    {  return this->timed_wait(lock, abs_time, pred); }
 
    //!Same as `timed_wait`, but this function is modeled after the
    //!standard library interface and uses relative timeouts.
    template <typename L, class Duration>
    cv_status wait_for(L& lock, const Duration &dur)
    {  return this->wait_until(lock, ipcdetail::duration_to_ustime(dur)); }
 
    //!Same as `timed_wait`, but this function is modeled after the
    //!standard library interface and uses relative timeouts
    template <typename L, class Duration, typename Pr>
    bool wait_for(L& lock, const Duration &dur, Pr pred)
    {  return this->wait_until(lock, ipcdetail::duration_to_ustime(dur), pred); }
 };
 
 }  //namespace interprocess
 }  // namespace boost
 
 #include <boost/interprocess/detail/config_end.hpp>
 
 #endif // BOOST_INTERPROCESS_CONDITION_ANY_HPP

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