setjmp/tst-sigsetjmp.c

   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"