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