1  /* Copyright (C) 2013-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  /* Test case for BZ #15493 */
      19  
      20  #include <stdlib.h>
      21  #include <signal.h>
      22  #include <setjmp.h>
      23  
      24  static int
      25  do_test (void)
      26  {
      27    sigjmp_buf sj;
      28    sigset_t m;
      29  
      30    sigemptyset (&m);
      31    sigprocmask (SIG_SETMASK, &m, NULL);
      32    if (sigsetjmp (sj, 0) == 0)
      33      {
      34        sigaddset (&m, SIGUSR1);
      35        sigprocmask (SIG_SETMASK, &m, NULL);
      36        siglongjmp (sj, 1);
      37        return EXIT_FAILURE;
      38      }
      39    sigprocmask (SIG_SETMASK, NULL, &m);
      40    return sigismember (&m, SIGUSR1) ? EXIT_SUCCESS : EXIT_FAILURE;
      41  }
      42  
      43  #define TEST_FUNCTION do_test ()
      44  #include "../test-skeleton.c"