* linkage.m4 (GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE): New.

	(GLIBCXX_CHECK_STDLIB_SUPPORT): Check for atexit and at_quick_exit.
	* include/c_std/cstdlib: Add atexit and at_quick_exit.
	* include/c_global/cstdlib: Add atexit and at_quick_exit.
	* testsuite/18_support/quick_exit/quick_exit.cc: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@195948 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 39 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/18_support/quick_exit/quick_exit.cc b/libstdc++-v3/testsuite/18_support/quick_exit/quick_exit.cc
new file mode 100644
index 00000000000..54ee41e0643
--- /dev/null
+++ b/libstdc++-v3/testsuite/18_support/quick_exit/quick_exit.cc
@@ -0,0 +1,39 @@
+// 2013-02-11 Jason Merrill
+
+// Copyright (C) 2013 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/>.
+
+// 18.5 - Start and termination
+
+#include <cstdlib>
+
+void handler()
+{
+  std::_Exit(0);
+}
+
+void wrong_handler()
+{
+  std::abort();
+}
+
+int main()
+{
+  std::at_quick_exit (handler);
+  std::atexit (wrong_handler);
+  std::quick_exit (1);
+}