libstdc++-v3/testsuite/18_support/quick_exit/quick_exit.cc

   1 // { dg-do run { target c++11 } }
   2 //
   3 // 2013-02-11  Jason  Merrill
   4 //
   5 // Copyright (C) 2013-2020 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 18.5 - Start and termination
  23
  24 #if defined(_GLIBCXX_HAVE_AT_QUICK_EXIT) && defined(_GLIBCXX_HAVE_QUICK_EXIT)
  25 #include <cstdlib>
  26
  27 void handler()
  28 {
  29   std::_Exit(0);
  30 }
  31
  32 void wrong_handler()
  33 {
  34   std::abort();
  35 }
  36
  37 int main()
  38 {
  39   std::at_quick_exit (handler);
  40   std::atexit (wrong_handler);
  41   std::quick_exit (1);
  42 }
  43 #else
  44 int main() {}
  45 #endif