1 files changed, 62 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/util/thread/all.h b/libstdc++-v3/testsuite/util/thread/all.h
new file mode 100644
index 000000000..935570ecc
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+++ b/libstdc++-v3/testsuite/util/thread/all.h
@@ -0,0 +1,62 @@
+// -*- C++ -*-
+// Utilities for testing threads for the C++ library testsuite.
+//
+// Copyright (C) 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+//
+
+#ifndef _GLIBCXX_TESTSUITE_THREAD_H
+#define _GLIBCXX_TESTSUITE_THREAD_H
+
+#include <sstream>
+#include <stdexcept>
+#include <type_traits>
+
+// C++0x only.
+namespace __gnu_test
+{  
+  // Assume _Tp::native_handle_type.
+  // Check C++ to native_handle_type characteristics: size and alignment.
+  template<typename _Tp>
+    void
+    compare_type_to_native_type()
+    {
+      typedef _Tp test_type;
+
+      // Remove possible pointer type.
+      typedef typename test_type::native_handle_type native_handle;
+      typedef typename std::remove_pointer<native_handle>::type native_type;
+
+      int st = sizeof(test_type);
+      int snt = sizeof(native_type);      
+      int at = __alignof__(test_type);
+      int ant = __alignof__(native_type);
+      if (st != snt || at != ant)
+	{
+	  std::ostringstream s;
+	  s << std::endl;
+	  s << "size of _Tp: " << st << std::endl;
+	  s << "alignment of _Tp: " << st << std::endl;
+	  s << "size of *(_Tp::native_handle_type): " << snt << std::endl;
+	  s << "alignment of *(_Tp::native_handle_type): " << snt << std::endl;
+	  throw std::runtime_error(s.str());
+	}
+    }
+} // namespace __gnu_test
+
+#endif // _GLIBCXX_TESTSUITE_THREAD_H
+