ceph/src/boost/boost/thread/poly_shared_lockable.hpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Vicente J. Botet Escriba 2008-2009,2012. Distributed under the Boost
   4 // Software License, Version 1.0. (See accompanying file
   5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // See http://www.boost.org/libs/thread for documentation.
   8 //
   9 //////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef BOOST_THREAD_POLY_SHARED_LOCKABLE_HPP
  12 #define BOOST_THREAD_POLY_SHARED_LOCKABLE_HPP
  13
  14 #include <boost/thread/poly_lockable.hpp>
  15 #include <boost/chrono/chrono.hpp>
  16
  17 namespace boost
  18 {
  19
  20
  21   //[shared_poly_lockable
  22   class shared_poly_lockable: public timed_poly_lockable
  23   {
  24   public:
  25     virtual ~shared_poly_lockable() = 0;
  26
  27     virtual void lock_shared() = 0;
  28     virtual bool try_lock_shared() = 0;
  29     virtual void unlock_shared() = 0;
  30
  31     virtual bool try_lock_shared_until(chrono::system_clock::time_point const & abs_time)=0;
  32     virtual bool try_lock_shared_until(chrono::steady_clock::time_point const & abs_time)=0;
  33     template <typename Clock, typename Duration>
  34     bool try_lock_shared_until(chrono::time_point<Clock, Duration> const & abs_time)
  35     {
  36       return try_lock_shared_until(time_point_cast<Clock::time_point>(abs_time));
  37     }
  38
  39     virtual bool try_lock_shared_for(chrono::nanoseconds const & relative_time)=0;
  40     template <typename Rep, typename Period>
  41     bool try_lock_shared_for(chrono::duration<Rep, Period> const & rel_time)
  42     {
  43       return try_lock_shared_for(duration_cast<Clock::duration>(rel_time));
  44     }
  45
  46   };
  47
  48   //]
  49
  50   //[upgrade_poly_lockable
  51   class upgrade_poly_lockable: public shared_poly_lockable
  52   {
  53   public:
  54     virtual ~upgrade_poly_lockable() = 0;
  55
  56     virtual void lock_upgrade() = 0;
  57     virtual bool try_lock_upgrade() = 0;
  58     virtual void unlock_upgrade() = 0;
  59
  60     virtual bool try_lock_upgrade_until(chrono::system_clock::time_point const & abs_time)=0;
  61     virtual bool try_lock_upgrade_until(chrono::steady_clock::time_point const & abs_time)=0;
  62     template <typename Clock, typename Duration>
  63     bool try_lock_upgrade_until(chrono::time_point<Clock, Duration> const & abs_time)
  64     {
  65       return try_lock_upgrade_until(time_point_cast<Clock::time_point>(abs_time));
  66     }
  67
  68     virtual bool try_lock_upgrade_for(chrono::nanoseconds const & relative_time)=0;
  69     template <typename Rep, typename Period>
  70     bool try_lock_upgrade_for(chrono::duration<Rep, Period> const & rel_time)
  71     {
  72       return try_lock_upgrade_for(duration_cast<Clock::duration>(rel_time));
  73     }
  74
  75     virtual bool try_unlock_shared_and_lock() = 0;
  76
  77     virtual bool try_unlock_shared_and_lock_until(chrono::system_clock::time_point const & abs_time)=0;
  78     virtual bool try_unlock_shared_and_lock_until(chrono::steady_clock::time_point const & abs_time)=0;
  79     template <typename Clock, typename Duration>
  80     bool try_unlock_shared_and_lock_until(chrono::time_point<Clock, Duration> const & abs_time)
  81     {
  82       return try_unlock_shared_and_lock_until(time_point_cast<Clock::time_point>(abs_time));
  83     }
  84
  85     virtual bool try_unlock_shared_and_lock_for(chrono::nanoseconds const & relative_time)=0;
  86     template <typename Rep, typename Period>
  87     bool try_unlock_shared_and_lock_for(chrono::duration<Rep, Period> const & rel_time)
  88     {
  89       return try_unlock_shared_and_lock_for(duration_cast<Clock::duration>(rel_time));
  90     }
  91
  92     virtual void unlock_and_lock_shared() = 0;
  93     virtual bool try_unlock_shared_and_lock_upgrade() = 0;
  94
  95     virtual bool try_unlock_shared_and_lock_upgrade_until(chrono::system_clock::time_point const & abs_time)=0;
  96     virtual bool try_unlock_shared_and_lock_upgrade_until(chrono::steady_clock::time_point const & abs_time)=0;
  97     template <typename Clock, typename Duration>
  98     bool try_unlock_shared_and_lock_upgrade_until(chrono::time_point<Clock, Duration> const & abs_time)
  99     {
 100       return try_unlock_shared_and_lock_upgrade_until(time_point_cast<Clock::time_point>(abs_time));
 101     }
 102
 103     virtual bool try_unlock_shared_and_lock_upgrade_for(chrono::nanoseconds const & relative_time)=0;
 104     template <typename Rep, typename Period>
 105     bool try_unlock_shared_and_lock_upgrade_for(chrono::duration<Rep, Period> const & rel_time)
 106     {
 107       return try_unlock_shared_and_lock_upgrade_for(duration_cast<Clock::duration>(rel_time));
 108     }
 109
 110     virtual void unlock_and_lock_upgrade() = 0;
 111     virtual void unlock_upgrade_and_lock() = 0;
 112     virtual bool try_unlock_upgrade_and_lock() = 0;
 113
 114     virtual bool try_unlock_upgrade_and_lock_until(chrono::system_clock::time_point const & abs_time)=0;
 115     virtual bool try_unlock_upgrade_and_lock_until(chrono::steady_clock::time_point const & abs_time)=0;
 116     template <typename Clock, typename Duration>
 117     bool try_unlock_upgrade_and_lock_until(chrono::time_point<Clock, Duration> const & abs_time)
 118     {
 119       return try_unlock_upgrade_and_lock_until(time_point_cast<Clock::time_point>(abs_time));
 120     }
 121
 122     virtual bool try_unlock_upgrade_and_lock_for(chrono::nanoseconds const & relative_time)=0;
 123     template <typename Rep, typename Period>
 124     bool try_unlock_upgrade_and_lock_for(chrono::duration<Rep, Period> const & rel_time)
 125     {
 126       return try_unlock_upgrade_and_lock_for(duration_cast<Clock::duration>(rel_time));
 127     }
 128
 129     virtual void unlock_upgrade_and_lock_shared() = 0;
 130
 131   };
 132 //]
 133
 134 }
 135 #endif