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/* This testcase is part of GDB, the GNU debugger.

   Copyright 2008, 2009, 2010 Free Software Foundation, Inc.

   This program 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 of the License, or

   (at your option) any later version.

   This program 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 program.  If not, see <http://www.gnu.org/licenses/>.

*/

/* Check that GDB isn't messing the SIGCHLD mask while creating an

   inferior.  */

#include <signal.h>

#include <stdlib.h>

int

main ()

{

  sigset_t mask;

  sigemptyset (&mask);

  sigprocmask (SIG_BLOCK, NULL, &mask);

  if (!sigismember (&mask, SIGCHLD))

    return 0; /* good, not blocked */

  else

    return 1; /* bad, blocked */

}