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+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2004 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 2 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+*/
+
+#include <stdio.h>
+#include <signal.h>
+#include <sys/time.h>
+
+static volatile int done;
+
+static void
+handler (int sig)
+{
+ done = 1;
+} /* handler */
+
+main ()
+{
+ /* Set up the signal handler. */
+ {
+ struct sigaction action;
+ memset (&action, 0, sizeof (action));
+ action.sa_handler = handler;
+ 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 */