2013-05-21 20:47:05 +02:00
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/* This testcase is part of GDB, the GNU debugger.
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2018-01-01 05:43:02 +01:00
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Copyright 2012-2018 Free Software Foundation, Inc.
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2013-05-21 20:47:05 +02:00
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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 <http://www.gnu.org/licenses/>. */
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2014-10-28 13:39:22 +01:00
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#include <stdio.h>
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2013-05-21 20:47:05 +02:00
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#include <stdlib.h>
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#include <signal.h>
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2014-10-28 13:39:22 +01:00
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#include <sys/wait.h>
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2013-05-21 20:47:05 +02:00
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#include <unistd.h>
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void
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do_nothing (void)
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{
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}
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void
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handle (int sig)
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{
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do_nothing (); /* handle marker */
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}
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int
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main ()
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{
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int i;
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signal (SIGHUP, handle);
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raise (SIGHUP); /* first HUP */
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signal (SIGCHLD, handle);
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for (i = 0; i < 3; i++) /* fork loop */
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{
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switch (fork())
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{
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case -1:
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perror ("fork");
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exit (1);
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case 0:
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exit (0);
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}
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wait (NULL);
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}
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raise (SIGHUP); /* second HUP */
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raise (SIGHUP); /* third HUP */
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}
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