Mercurial > gnulib
view tests/test-raise.c @ 40232:6771da173563
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author | Karl Berry <karl@freefriends.org> |
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date | Tue, 12 Mar 2019 09:07:54 -0700 |
parents | b06060465f09 |
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/* Test raising a signal. Copyright (C) 2011-2019 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); }