Rename the extracted boost subdirectory to ndnboost
diff --git a/ndnboost/smart_ptr/detail/lwm_pthreads.hpp b/ndnboost/smart_ptr/detail/lwm_pthreads.hpp
new file mode 100644
index 0000000..38bbc91
--- /dev/null
+++ b/ndnboost/smart_ptr/detail/lwm_pthreads.hpp
@@ -0,0 +1,87 @@
+#ifndef BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//
+// boost/detail/lwm_pthreads.hpp
+//
+// Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
+//
+// 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)
+//
+
+#include <ndnboost/assert.hpp>
+#include <pthread.h>
+
+namespace ndnboost
+{
+
+namespace detail
+{
+
+class lightweight_mutex
+{
+private:
+
+ pthread_mutex_t m_;
+
+ lightweight_mutex(lightweight_mutex const &);
+ lightweight_mutex & operator=(lightweight_mutex const &);
+
+public:
+
+ lightweight_mutex()
+ {
+
+// HPUX 10.20 / DCE has a nonstandard pthread_mutex_init
+
+#if defined(__hpux) && defined(_DECTHREADS_)
+ BOOST_VERIFY( pthread_mutex_init( &m_, pthread_mutexattr_default ) == 0 );
+#else
+ BOOST_VERIFY( pthread_mutex_init( &m_, 0 ) == 0 );
+#endif
+ }
+
+ ~lightweight_mutex()
+ {
+ BOOST_VERIFY( pthread_mutex_destroy( &m_ ) == 0 );
+ }
+
+ class scoped_lock;
+ friend class scoped_lock;
+
+ class scoped_lock
+ {
+ private:
+
+ pthread_mutex_t & m_;
+
+ scoped_lock(scoped_lock const &);
+ scoped_lock & operator=(scoped_lock const &);
+
+ public:
+
+ scoped_lock(lightweight_mutex & m): m_(m.m_)
+ {
+ BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 );
+ }
+
+ ~scoped_lock()
+ {
+ BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 );
+ }
+ };
+};
+
+} // namespace detail
+
+} // namespace ndnboost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED