[Boost-commit] svn:boost r83156 - sandbox/pool2/boost/pool

Subject: [Boost-commit] svn:boost r83156 - sandbox/pool2/boost/pool
From: svart.riddare_at_[hidden]
Date: 2013-02-25 15:33:47

Author: edupuis
Date: 2013-02-25 15:33:46 EST (Mon, 25 Feb 2013)
New Revision: 83156
URL: http://svn.boost.org/trac/boost/changeset/83156

Log:
Use type traits (std::has_trivial_destructor) to avoid performing useless operations in purge() function.
Text files modified: 
   sandbox/pool2/boost/pool/pool.hpp |    16 ++++++++++++++++                        
   1 files changed, 16 insertions(+), 0 deletions(-)

Modified: sandbox/pool2/boost/pool/pool.hpp
==============================================================================
--- sandbox/pool2/boost/pool/pool.hpp	(original)
+++ sandbox/pool2/boost/pool/pool.hpp	2013-02-25 15:33:46 EST (Mon, 25 Feb 2013)
@@ -13,10 +13,17 @@
 #include <memory>     // std::allocator
 #include <vector>     // std::vector
 
+#include <boost/tr1/type_traits.hpp>
+
 #ifdef BOOST_POOL_VALGRIND
         #include <valgrind/memcheck.h>
 #endif
 
+#ifdef BOOST_MSVC
+	#pragma warning(push)
+	#pragma warning(disable: 4127)  // Conditional expression is constant
+#endif
+
 namespace boost
 {
 
@@ -282,6 +289,11 @@
 template<typename T, bool ThreadSafe, class Allocator>
 void pool<T, ThreadSafe, Allocator>::purge()
 {
+	/* -- Do not bother in case of POD buffers -- */
+
+	if (std::tr1::has_trivial_destructor<T>::value)
+		return;
+
         /* -- If there is no outstanding buffers, there is nothing to do -- */
 
         if (!_requested)
@@ -472,4 +484,8 @@
 
 };
 
+#ifdef BOOST_MSVC
+	#pragma warning(pop)
+#endif
+
 #endif