From 1a78a62555be32868418fe52f8e330c9d0f95d5a Mon Sep 17 00:00:00 2001
From: Anas Nashif <anas.nashif@intel.com>
Date: Tue, 30 Oct 2012 12:57:26 -0700
Subject: Imported Upstream version 1.49.0

---
 libs/interprocess/example/doc_adaptive_pool.cpp | 85 +++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 libs/interprocess/example/doc_adaptive_pool.cpp

(limited to 'libs/interprocess/example/doc_adaptive_pool.cpp')

diff --git a/libs/interprocess/example/doc_adaptive_pool.cpp b/libs/interprocess/example/doc_adaptive_pool.cpp
new file mode 100644
index 0000000000..539b1a6534
--- /dev/null
+++ b/libs/interprocess/example/doc_adaptive_pool.cpp
@@ -0,0 +1,85 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2006-2011. 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>
+//[doc_adaptive_pool
+#include <boost/interprocess/managed_shared_memory.hpp>
+#include <boost/interprocess/allocators/adaptive_pool.hpp>
+#include <cassert>
+//<-
+#include "../test/get_process_id_name.hpp"
+//->
+
+using namespace boost::interprocess;
+
+int main ()
+{
+   //Remove shared memory on construction and destruction
+   struct shm_remove
+   {
+   //<-
+   #if 1
+      shm_remove() { shared_memory_object::remove(test::get_process_id_name()); }
+      ~shm_remove(){ shared_memory_object::remove(test::get_process_id_name()); }
+   #else
+   //->
+      shm_remove() { shared_memory_object::remove("MySharedMemory"); }
+      ~shm_remove(){ shared_memory_object::remove("MySharedMemory"); }
+   //<-
+   #endif
+   //->
+   } remover;
+   //<-
+   (void)remover;
+   //->
+
+   //Create shared memory
+   //<-
+   #if 1
+   managed_shared_memory segment(create_only,test::get_process_id_name(), 65536);
+   #else
+   //->
+   managed_shared_memory segment(create_only, 
+                                 "MySharedMemory",  //segment name
+                                 65536);
+   //<-
+   #endif
+   //->
+
+   //Create a adaptive_pool that allocates ints from the managed segment
+   //The number of chunks per segment is the default value
+   typedef adaptive_pool<int, managed_shared_memory::segment_manager>
+      adaptive_pool_t;
+   adaptive_pool_t allocator_instance(segment.get_segment_manager());
+
+   //Create another adaptive_pool. Since the segment manager address
+   //is the same, this adaptive_pool will be
+   //attached to the same pool so "allocator_instance2" can deallocate
+   //nodes allocated by "allocator_instance"
+   adaptive_pool_t allocator_instance2(segment.get_segment_manager());
+
+   //Create another adaptive_pool using copy-constructor. This
+   //adaptive_pool will also be attached to the same pool
+   adaptive_pool_t allocator_instance3(allocator_instance2);
+
+   //All allocators are equal
+   assert(allocator_instance == allocator_instance2);
+   assert(allocator_instance2 == allocator_instance3);
+
+   //So memory allocated with one can be deallocated with another
+   allocator_instance2.deallocate(allocator_instance.allocate(1), 1);
+   allocator_instance3.deallocate(allocator_instance2.allocate(1), 1);
+
+   //The common pool will be destroyed here, since no allocator is
+   //attached to the pool
+   return 0;
+}
+//]
+#include <boost/interprocess/detail/config_end.hpp>
-- 
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