52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
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/* Test raising a signal.
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Copyright (C) 2011-2021 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <signal.h>
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#include <unistd.h>
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#include "signature.h"
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SIGNATURE_CHECK (raise, int, (int));
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#include <stdlib.h>
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#include "macros.h"
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/* It is safe to use _Noreturn here: exit() never returns, and GCC knows that
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exit() is a non-returning function, even on platforms where its declaration
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in <stdlib.h> does not have the 'noreturn' attribute. */
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static _Noreturn void
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handler (int sig)
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{
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_exit (0);
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}
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int
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main (void)
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{
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/* Test behaviour for invalid argument. */
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ASSERT (raise (-1) != 0);
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/* Test behaviour for SIGINT. */
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ASSERT (signal (SIGINT, handler) != SIG_ERR);
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raise (SIGINT);
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/* We should not get here, because the handler takes away the control. */
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exit (1);
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}
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