69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2004, 2007, 2008, 2009, 2010, 2011 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 <string.h>
|
|
#include <signal.h>
|
|
#include <sys/time.h>
|
|
|
|
static volatile int done;
|
|
|
|
#ifdef SA_SIGINFO
|
|
static void /* HANDLER */
|
|
handler (int sig, siginfo_t *info, void *context)
|
|
{
|
|
done = 1;
|
|
} /* handler */
|
|
#else
|
|
static void
|
|
handler (int sig)
|
|
{
|
|
done = 1;
|
|
} /* handler */
|
|
#endif
|
|
|
|
main ()
|
|
{
|
|
/* Set up the signal handler. */
|
|
{
|
|
struct sigaction action;
|
|
memset (&action, 0, sizeof (action));
|
|
#ifdef SA_SIGINFO
|
|
action.sa_sigaction = handler;
|
|
action.sa_flags |= SA_SIGINFO;
|
|
#else
|
|
action.sa_handler = handler;
|
|
#endif
|
|
sigaction (SIGVTALRM, &action, NULL);
|
|
}
|
|
|
|
/* Set up a one-off timer. A timer, rather than SIGSEGV, is used as
|
|
after a timer handler finishes the interrupted code can safely
|
|
resume. */
|
|
{
|
|
struct itimerval itime;
|
|
memset (&itime, 0, sizeof (itime));
|
|
itime.it_value.tv_usec = 250 * 1000;
|
|
setitimer (ITIMER_VIRTUAL, &itime, NULL);
|
|
}
|
|
/* Wait. */
|
|
while (!done);
|
|
return 0;
|
|
} /* main */
|