Added boost header

test/external/boost/interprocess/sync/named_recursive_mutex.hpp

@@ -0,0 +1,180 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2009. 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_NAMED_RECURSIVE_MUTEX_HPP
+#define BOOST_INTERPROCESS_NAMED_RECURSIVE_MUTEX_HPP
+
+#if (defined _MSC_VER) && (_MSC_VER >= 1200)
+#  pragma once
+#endif
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+#include <boost/interprocess/creation_tags.hpp>
+#include <boost/interprocess/exceptions.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/shared_memory_object.hpp>
+#include <boost/interprocess/detail/managed_open_or_create_impl.hpp>
+#include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>
+#include <boost/interprocess/sync/emulation/named_creation_functor.hpp>
+#include <boost/interprocess/permissions.hpp>
+
+//!\file
+//!Describes a named named_recursive_mutex class for inter-process synchronization
+
+namespace boost {
+namespace interprocess {
+
+/// @cond
+namespace ipcdetail{ class interprocess_tester; }
+/// @endcond
+
+//!A recursive mutex with a global name, so it can be found from different 
+//!processes. This mutex can't be placed in shared memory, and
+//!each process should have it's own named_recursive_mutex.
+class named_recursive_mutex
+{
+   /// @cond
+   //Non-copyable
+   named_recursive_mutex();
+   named_recursive_mutex(const named_recursive_mutex &);
+   named_recursive_mutex &operator=(const named_recursive_mutex &);
+   /// @endcond
+   public:
+
+   //!Creates a global recursive_mutex with a name.
+   //!If the recursive_mutex can't be created throws interprocess_exception
+   named_recursive_mutex(create_only_t create_only, const char *name, const permissions &perm = permissions());
+
+   //!Opens or creates a global recursive_mutex with a name. 
+   //!If the recursive_mutex is created, this call is equivalent to
+   //!named_recursive_mutex(create_only_t, ... )
+   //!If the recursive_mutex is already created, this call is equivalent
+   //!named_recursive_mutex(open_only_t, ... )
+   //!Does not throw
+   named_recursive_mutex(open_or_create_t open_or_create, const char *name, const permissions &perm = permissions());
+
+   //!Opens a global recursive_mutex with a name if that recursive_mutex is previously
+   //!created. If it is not previously created this function throws
+   //!interprocess_exception.
+   named_recursive_mutex(open_only_t open_only, const char *name);
+
+   //!Destroys *this and indicates that the calling process is finished using
+   //!the resource. The destructor function will deallocate
+   //!any system resources allocated by the system for use by this process for
+   //!this resource. The resource can still be opened again calling
+   //!the open constructor overload. To erase the resource from the system
+   //!use remove().
+   ~named_recursive_mutex();
+
+   //!Unlocks a previously locked
+   //!named_recursive_mutex.
+   void unlock();
+
+   //!Locks named_recursive_mutex, sleeps when named_recursive_mutex is already locked.
+   //!Throws interprocess_exception if a severe error is found.
+   void lock();
+
+   //!Tries to lock the named_recursive_mutex, returns false when named_recursive_mutex 
+   //!is already locked, returns true when success.
+   //!Throws interprocess_exception if a severe error is found.
+   bool try_lock();
+
+   //!Tries to lock the named_recursive_mutex until time abs_time,
+   //!Returns false when timeout expires, returns true when locks.
+   //!Throws interprocess_exception if a severe error is found
+   bool timed_lock(const boost::posix_time::ptime &abs_time);
+
+   //!Erases a named recursive mutex
+   //!from the system
+   static bool remove(const char *name);
+
+   /// @cond
+   private:
+   friend class ipcdetail::interprocess_tester;
+   void dont_close_on_destruction();
+
+   interprocess_recursive_mutex *mutex() const
+   {  return static_cast<interprocess_recursive_mutex*>(m_shmem.get_user_address()); }
+
+   ipcdetail::managed_open_or_create_impl<shared_memory_object> m_shmem;
+   typedef ipcdetail::named_creation_functor<interprocess_recursive_mutex> construct_func_t;
+   /// @endcond
+};
+
+/// @cond
+
+inline named_recursive_mutex::~named_recursive_mutex()
+{}
+
+inline void named_recursive_mutex::dont_close_on_destruction()
+{  ipcdetail::interprocess_tester::dont_close_on_destruction(m_shmem);  }
+
+inline named_recursive_mutex::named_recursive_mutex(create_only_t, const char *name, const permissions &perm)
+   :  m_shmem  (create_only
+               ,name
+               ,sizeof(interprocess_recursive_mutex) +
+                  ipcdetail::managed_open_or_create_impl<shared_memory_object>::
+                     ManagedOpenOrCreateUserOffset
+               ,read_write
+               ,0
+               ,construct_func_t(ipcdetail::DoCreate)
+               ,perm)
+{}
+
+inline named_recursive_mutex::named_recursive_mutex(open_or_create_t, const char *name, const permissions &perm)
+   :  m_shmem  (open_or_create
+               ,name
+               ,sizeof(interprocess_recursive_mutex) +
+                  ipcdetail::managed_open_or_create_impl<shared_memory_object>::
+                     ManagedOpenOrCreateUserOffset
+               ,read_write
+               ,0
+               ,construct_func_t(ipcdetail::DoOpenOrCreate)
+               ,perm)
+{}
+
+inline named_recursive_mutex::named_recursive_mutex(open_only_t, const char *name)
+   :  m_shmem  (open_only
+               ,name
+               ,read_write
+               ,0
+               ,construct_func_t(ipcdetail::DoOpen))
+{}
+
+inline void named_recursive_mutex::lock()
+{  this->mutex()->lock();  }
+
+inline void named_recursive_mutex::unlock()
+{  this->mutex()->unlock();  }
+
+inline bool named_recursive_mutex::try_lock()
+{  return this->mutex()->try_lock();  }
+
+inline bool named_recursive_mutex::timed_lock(const boost::posix_time::ptime &abs_time)
+{
+   if(abs_time == boost::posix_time::pos_infin){
+      this->lock();
+      return true;
+   }
+   return this->mutex()->timed_lock(abs_time);
+}
+
+inline bool named_recursive_mutex::remove(const char *name)
+{  return shared_memory_object::remove(name); }
+
+/// @endcond
+
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_NAMED_RECURSIVE_MUTEX_HPP