remove in place of external link

1 files changed, 0 insertions, 78 deletions

diff --git a/networking/udhcp/signalpipe.c b/networking/udhcp/signalpipe.c
deleted file mode 100644
index 074c8a603..000000000
--- a/networking/udhcp/signalpipe.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* signalpipe.c
- *
- * Signal pipe infrastructure. A reliable way of delivering signals.
- *
- * Russ Dill <Russ.Dill@asu.edu> December 2003
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <unistd.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/select.h>
-
-
-#include "signalpipe.h"
-#include "common.h"
-
-static int signal_pipe[2];
-
-static void signal_handler(int sig)
-{
-	if (send(signal_pipe[1], &sig, sizeof(sig), MSG_DONTWAIT) < 0)
-		DEBUG(LOG_ERR, "Could not send signal: %m");
-}
-
-
-/* Call this before doing anything else. Sets up the socket pair
- * and installs the signal handler */
-void udhcp_sp_setup(void)
-{
-	socketpair(AF_UNIX, SOCK_STREAM, 0, signal_pipe);
-	signal(SIGUSR1, signal_handler);
-	signal(SIGUSR2, signal_handler);
-	signal(SIGTERM, signal_handler);
-}
-
-
-/* Quick little function to setup the rfds. Will return the
- * max_fd for use with select. Limited in that you can only pass
- * one extra fd */
-int udhcp_sp_fd_set(fd_set *rfds, int extra_fd)
-{
-	FD_ZERO(rfds);
-	FD_SET(signal_pipe[0], rfds);
-	if (extra_fd >= 0) FD_SET(extra_fd, rfds);
-	return signal_pipe[0] > extra_fd ? signal_pipe[0] : extra_fd;
-}
-
-
-/* Read a signal from the signal pipe. Returns 0 if there is
- * no signal, -1 on error (and sets errno appropriately), and
- * your signal on success */
-int udhcp_sp_read(fd_set *rfds)
-{
-	int sig;
-
-	if (!FD_ISSET(signal_pipe[0], rfds))
-		return 0;
-
-	if (read(signal_pipe[0], &sig, sizeof(sig)) < 0)
-		return -1;
-
-	return sig;
-}