| /* Test raising a signal. |
| Copyright (C) 2011-2020 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 <https://www.gnu.org/licenses/>. */ |
| |
| #include <config.h> |
| |
| #include <signal.h> |
| |
| #include "signature.h" |
| SIGNATURE_CHECK (raise, int, (int)); |
| |
| #include <stdlib.h> |
| |
| #include "macros.h" |
| |
| /* It is safe to use _Noreturn here: exit() never returns, and GCC knows that |
| exit() is a non-returning function, even on platforms where its declaration |
| in <stdlib.h> does not have the 'noreturn' attribute. */ |
| static _Noreturn void |
| handler (int sig) |
| { |
| exit (0); |
| } |
| |
| int |
| main (void) |
| { |
| /* Test behaviour for invalid argument. */ |
| ASSERT (raise (-1) != 0); |
| |
| /* Test behaviour for SIGINT. */ |
| ASSERT (signal (SIGINT, handler) != SIG_ERR); |
| |
| raise (SIGINT); |
| |
| /* We should not get here, because the handler takes away the control. */ |
| exit (1); |
| } |