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-rw-r--r--manual/examples/sigh1.c53
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diff --git a/manual/examples/sigh1.c b/manual/examples/sigh1.c
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index 6d4a0752f3..0000000000
--- a/manual/examples/sigh1.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/* Signal Handlers that Return
- Copyright (C) 1991-2017 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, if not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-/* This flag controls termination of the main loop. */
-volatile sig_atomic_t keep_going = 1;
-
-/* The signal handler just clears the flag and re-enables itself. */
-void
-catch_alarm (int sig)
-{
- keep_going = 0;
- signal (sig, catch_alarm);
-}
-
-void
-do_stuff (void)
-{
- puts ("Doing stuff while waiting for alarm....");
-}
-
-int
-main (void)
-{
- /* Establish a handler for SIGALRM signals. */
- signal (SIGALRM, catch_alarm);
-
- /* Set an alarm to go off in a little while. */
- alarm (2);
-
- /* Check the flag once in a while to see when to quit. */
- while (keep_going)
- do_stuff ();
-
- return EXIT_SUCCESS;
-}