| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139 | ////////////////////////////////////////////////////////////////////////////////// (C) Copyright Vicente J. Botet Escriba 2008-2009,2012. 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/thread for documentation.////////////////////////////////////////////////////////////////////////////////#ifndef BOOST_THREAD_POLY_SHARED_LOCKABLE_HPP#define BOOST_THREAD_POLY_SHARED_LOCKABLE_HPP#include <boost/thread/poly_lockable.hpp>#include <boost/chrono/chrono.hpp>namespace boost{  //[shared_poly_lockable  class shared_poly_lockable: public timed_poly_lockable  {  public:    virtual ~shared_poly_lockable() = 0;    virtual void lock_shared() = 0;    virtual bool try_lock_shared() = 0;    virtual void unlock_shared() = 0;    virtual bool try_lock_shared_until(chrono::system_clock::time_point const & abs_time)=0;    virtual bool try_lock_shared_until(chrono::steady_clock::time_point const & abs_time)=0;    template <typename Clock, typename Duration>    bool try_lock_shared_until(chrono::time_point<Clock, Duration> const & abs_time)    {      return try_lock_shared_until(chrono::time_point_cast<Clock::time_point>(abs_time));    }    virtual bool try_lock_shared_for(chrono::nanoseconds const & relative_time)=0;    template <typename Rep, typename Period>    bool try_lock_shared_for(chrono::duration<Rep, Period> const & rel_time)    {      return try_lock_shared_for(chrono::duration_cast<chrono::nanoseconds>(rel_time));    }  };  //]  // A proper name for shared_poly_lockable, consistent with naming scheme of other polymorphic wrappers  typedef shared_poly_lockable poly_shared_lockable;  //[upgrade_poly_lockable  class upgrade_poly_lockable: public shared_poly_lockable  {  public:    virtual ~upgrade_poly_lockable() = 0;    virtual void lock_upgrade() = 0;    virtual bool try_lock_upgrade() = 0;    virtual void unlock_upgrade() = 0;    virtual bool try_lock_upgrade_until(chrono::system_clock::time_point const & abs_time)=0;    virtual bool try_lock_upgrade_until(chrono::steady_clock::time_point const & abs_time)=0;    template <typename Clock, typename Duration>    bool try_lock_upgrade_until(chrono::time_point<Clock, Duration> const & abs_time)    {      return try_lock_upgrade_until(chrono::time_point_cast<Clock::time_point>(abs_time));    }    virtual bool try_lock_upgrade_for(chrono::nanoseconds const & relative_time)=0;    template <typename Rep, typename Period>    bool try_lock_upgrade_for(chrono::duration<Rep, Period> const & rel_time)    {      return try_lock_upgrade_for(chrono::duration_cast<chrono::nanoseconds>(rel_time));    }    virtual bool try_unlock_shared_and_lock() = 0;    virtual bool try_unlock_shared_and_lock_until(chrono::system_clock::time_point const & abs_time)=0;    virtual bool try_unlock_shared_and_lock_until(chrono::steady_clock::time_point const & abs_time)=0;    template <typename Clock, typename Duration>    bool try_unlock_shared_and_lock_until(chrono::time_point<Clock, Duration> const & abs_time)    {      return try_unlock_shared_and_lock_until(chrono::time_point_cast<Clock::time_point>(abs_time));    }    virtual bool try_unlock_shared_and_lock_for(chrono::nanoseconds const & relative_time)=0;    template <typename Rep, typename Period>    bool try_unlock_shared_and_lock_for(chrono::duration<Rep, Period> const & rel_time)    {      return try_unlock_shared_and_lock_for(chrono::duration_cast<chrono::nanoseconds>(rel_time));    }    virtual void unlock_and_lock_shared() = 0;    virtual bool try_unlock_shared_and_lock_upgrade() = 0;    virtual bool try_unlock_shared_and_lock_upgrade_until(chrono::system_clock::time_point const & abs_time)=0;    virtual bool try_unlock_shared_and_lock_upgrade_until(chrono::steady_clock::time_point const & abs_time)=0;    template <typename Clock, typename Duration>    bool try_unlock_shared_and_lock_upgrade_until(chrono::time_point<Clock, Duration> const & abs_time)    {      return try_unlock_shared_and_lock_upgrade_until(chrono::time_point_cast<Clock::time_point>(abs_time));    }    virtual bool try_unlock_shared_and_lock_upgrade_for(chrono::nanoseconds const & relative_time)=0;    template <typename Rep, typename Period>    bool try_unlock_shared_and_lock_upgrade_for(chrono::duration<Rep, Period> const & rel_time)    {      return try_unlock_shared_and_lock_upgrade_for(chrono::duration_cast<chrono::nanoseconds>(rel_time));    }    virtual void unlock_and_lock_upgrade() = 0;    virtual void unlock_upgrade_and_lock() = 0;    virtual bool try_unlock_upgrade_and_lock() = 0;    virtual bool try_unlock_upgrade_and_lock_until(chrono::system_clock::time_point const & abs_time)=0;    virtual bool try_unlock_upgrade_and_lock_until(chrono::steady_clock::time_point const & abs_time)=0;    template <typename Clock, typename Duration>    bool try_unlock_upgrade_and_lock_until(chrono::time_point<Clock, Duration> const & abs_time)    {      return try_unlock_upgrade_and_lock_until(chrono::time_point_cast<Clock::time_point>(abs_time));    }    virtual bool try_unlock_upgrade_and_lock_for(chrono::nanoseconds const & relative_time)=0;    template <typename Rep, typename Period>    bool try_unlock_upgrade_and_lock_for(chrono::duration<Rep, Period> const & rel_time)    {      return try_unlock_upgrade_and_lock_for(chrono::duration_cast<chrono::nanoseconds>(rel_time));    }    virtual void unlock_upgrade_and_lock_shared() = 0;  };  //]  // A proper name for upgrade_poly_lockable, consistent with naming scheme of other polymorphic wrappers  typedef upgrade_poly_lockable poly_upgrade_lockable;}#endif
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