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[SVN r34286]

example/process_b_example.cpp

@@ -0,0 +1,71 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztañaga 2004-2006. 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.
+//
+//////////////////////////////////////////////////////////////////////////////
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+
+#include <boost/interprocess/allocators/allocator.hpp>
+#include <boost/interprocess/managed_shared_memory.hpp>
+#include <boost/interprocess/containers/vector.hpp>
+#include <boost/interprocess/sync/named_semaphore.hpp>
+
+#include "printcontainer.hpp"
+#include <algorithm>
+
+using namespace boost::interprocess;
+
+int main ()
+{
+   //Shared memory attributes
+   const char *const shMemName = "MySharedMemory";
+
+   //Create sems for synchronization
+   named_semaphore semA(open_or_create, "processAsem", 0);
+   named_semaphore semB(open_or_create, "processBsem", 0);
+
+   //Wait until the shared memory is ready
+   semB.wait();
+
+   //Create shared memory
+   managed_shared_memory segment(open_or_create, shMemName, 65536);
+
+   //STL compatible allocator object, uses allocate(), deallocate() functions
+   typedef allocator<int, managed_shared_memory::segment_manager>
+      shmem_allocator_int_t;
+
+   //This is the shared memory vector type
+   typedef vector<int, shmem_allocator_int_t >  MyVect;
+
+   //Finding vector in shared memory and printing contents
+   std::cout << "Connecting to object ShmVect\n\n";
+   MyVect *shmem_vect = segment.find<MyVect>("ShmVect").first;
+   PrintContents(*shmem_vect, "ShmVect");
+
+   //Reverse sorting the vector with std::sort
+   std::cout << "Reverse sorting ShmVect\n\n";
+   MyVect::reverse_iterator rbeg = 
+      shmem_vect->rbegin(), rend = shmem_vect->rend();
+   std::sort(shmem_vect->rbegin(), shmem_vect->rend());
+   std::sort(rbeg, rend);
+
+   //Printing values after sorting
+   std::cout << "Sorting complete\n\n";
+   PrintContents(*shmem_vect, "ShmVect");
+
+   //Waking up process A
+   std::cout << "Waking up processA\n\n";
+   semA.post();
+
+   //We're done, closing shared memory
+   std::cout << "Closing shmem segment\n\n";
+
+   return 0;
+}
+
+#include <boost/interprocess/detail/config_end.hpp>