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/* This testcase is part of GDB, the GNU debugger.
Copyright 2012-2019 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 <http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/wait.h>
#include <unistd.h>
void
do_nothing (void)
{
}
void
handle (int sig)
{
do_nothing (); /* handle marker */
}
int
main ()
{
int i;
signal (SIGHUP, handle);
raise (SIGHUP); /* first HUP */
signal (SIGCHLD, handle);
for (i = 0; i < 3; i++) /* fork loop */
{
switch (fork())
{
case -1:
perror ("fork");
exit (1);
case 0:
exit (0);
}
wait (NULL);
}
raise (SIGHUP); /* second HUP */
raise (SIGHUP); /* third HUP */
}
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