tr1 shared_ptr

pvDataApp/Makefile

@@ -26,6 +26,7 @@ INC += queue.h
 INC += messageQueue.h
 INC += destroyable.h
 INC += status.h
+INC += sharedPtr.h
 
 LIBSRCS += CDRMonitor.cpp
 LIBSRCS += byteBuffer.cpp

pvDataApp/misc/sharedPtr.h

@@ -0,0 +1,61 @@
+/**
+ * Copyright - See the COPYRIGHT that is included with this distribution.
+ * EPICS pvDataCPP is distributed subject to a Software License Agreement found
+ * in file LICENSE that is included with this distribution.
+ */
+
+#ifndef SHAREDPTR_H
+#define SHAREDPTR_H
+
+/*
+ * Pulls in the std::tr1 namespace with the following names
+ *
+ * class shared_ptr
+ * class weak_ptr
+ * class bad_weak_ptr
+ * function static_pointer_cast;
+ * function dynamic_pointer_cast
+ * function const_pointer_cast
+ * function swap
+ * function get_deleter
+ * function enable_shared_from_this
+ */
+
+// where should we look?
+
+#if defined(__GNUC__) && __GNUC__>=4
+   // GCC >=4.0.0
+#  define SHARED_FROM_TR1
+
+#elif defined(_MSC_VER) && (_MSC_VER>1500 || defined(_HAS_TR1))
+   // MSVC > 2008, or 2008 w/ SP1
+#  define SHARED_FROM_TR1
+
+#else
+#  define SHARED_FROM_BOOST
+#endif
+
+// go and get it
+
+#if defined(SHARED_FROM_TR1)
+#  include <tr1/memory>
+
+#elif defined(SHARED_FROM_BOOST)
+#  include <boost/tr1/memory.hpp>
+
+#else
+   // eventually...
+#  include <memory>
+#endif
+
+// cleanup
+
+#ifdef SHARED_FROM_TR1
+#  undef SHARED_FROM_TR1
+#endif
+
+#ifdef SHARED_FROM_BOOST
+#  undef SHARED_FROM_BOOST
+#endif
+
+#endif // SHAREDPTR_H