/* Test sigaction wrapper. */ /* Copyright (C) 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Schwab . The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include #include #include int main (int argc, char *argv[]) { struct sigaction old_sa, new_sa; if (sigaction (SIGHUP, NULL, &old_sa) < 0) { printf ("cannot get signal action for SIGHUP: %m\n"); exit (1); } if (old_sa.sa_handler != SIG_IGN) { printf ("SIGHUP action should be SIG_IGN, is %p\n", (void *) old_sa.sa_handler); exit (1); } new_sa.sa_handler = SIG_DFL; if (sigaction (SIGHUP, &new_sa, NULL) < 0) { printf ("cannot set signal action for SIGHUP: %m\n"); exit (1); } if (sigaction (SIGHUP, NULL, &old_sa) < 0) { printf ("cannot get signal action for SIGHUP: %m\n"); exit (1); } if (old_sa.sa_handler != SIG_DFL) { printf ("SIGHUP action should be SIG_DFL, is %p\n", (void *) old_sa.sa_handler); exit (1); } return 0; }