ceph/src/boost/libs/thread/include/boost/thread/is_locked_by_this_thread.hpp

   1 // (C) Copyright 2012 Vicente J. Botet Escriba
   2 // Distributed under the Boost Software License, Version 1.0. (See
   3 // accompanying file LICENSE_1_0.txt or copy at
   4 // http://www.boost.org/LICENSE_1_0.txt)
   5
   6
   7 #ifndef BOOST_THREAD_IS_LOCKED_BY_THIS_THREAD_HPP
   8 #define BOOST_THREAD_IS_LOCKED_BY_THIS_THREAD_HPP
   9
  10 #include <boost/thread/detail/config.hpp>
  11
  12 #include <boost/config/abi_prefix.hpp>
  13
  14 namespace boost
  15 {
  16   template <typename Lockable>
  17   class testable_mutex;
  18
  19   /**
  20    * Overloaded function used to check if the mutex is locked when it is testable and do nothing otherwise.
  21    *
  22    * This function is used usually to assert the pre-condition when the function can only be called when the mutex
  23    * must be locked by the current thread.
  24    */
  25   template <typename Lockable>
  26   bool is_locked_by_this_thread(testable_mutex<Lockable> const& mtx)
  27   {
  28     return mtx.is_locked_by_this_thread();
  29   }
  30   template <typename Lockable>
  31   bool is_locked_by_this_thread(Lockable const&)
  32   {
  33     return true;
  34   }
  35 }
  36
  37 #include <boost/config/abi_suffix.hpp>
  38
  39 #endif // header