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