auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 125 deletions

diff --git a/signals.c b/signals.c
deleted file mode 100644
index 58679d6..0000000
--- a/signals.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/* 
- * dhcpcd - DHCP client daemon
- * Copyright 2006-2008 Roy Marples <roy@marples.name>
- * All rights reserved
-
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-
-#include <errno.h>
-#include <signal.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "common.h"
-#include "signals.h"
-
-static int signal_pipe[2];
-
-static const int handle_sigs[] = {
-	SIGHUP,
-	SIGALRM,
-	SIGTERM,
-	SIGINT
-};
-
-static void
-signal_handler(int sig)
-{
-	int serrno = errno;
-
-	write(signal_pipe[1], &sig, sizeof(sig));
-	/* Restore errno */
-	errno = serrno;
-}
-
-int
-signal_fd(void)
-{
-	return (signal_pipe[0]);
-}
-
-/* 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
-signal_read(void)
-{
-	int sig = -1;
-	char buf[16];
-	size_t bytes;
-
-	memset(buf, 0, sizeof(buf));
-	bytes = read(signal_pipe[0], buf, sizeof(buf));
-	if (bytes >= sizeof(sig))
-		memcpy(&sig, buf, sizeof(sig));
-	return sig;
-}
-
-/* Call this before doing anything else. Sets up the socket pair
- * and installs the signal handler */
-int
-signal_init(void)
-{
-	if (pipe(signal_pipe) == -1)
-		return -1;
-	/* Don't block on read */
-	if (set_nonblock(signal_pipe[0]) == -1)
-		return -1;
-	/* Stop any scripts from inheriting us */
-	if (set_cloexec(signal_pipe[0]) == -1)
-		return -1;
-	if (set_cloexec(signal_pipe[1]) == -1)
-		return -1;
-	return 0;
-}
-
-static int
-signal_handle(void (*func)(int))
-{
-	unsigned int i;
-	struct sigaction sa;
-
-	memset(&sa, 0, sizeof(sa));
-	sa.sa_handler = func;
-	sigemptyset(&sa.sa_mask);
-
-	for (i = 0; i < sizeof(handle_sigs) / sizeof(handle_sigs[0]); i++)
-		if (sigaction(handle_sigs[i], &sa, NULL) == -1)
-			return -1;
-	return 0;
-}
-
-int
-signal_setup(void)
-{
-	return signal_handle(signal_handler);
-}
-
-int
-signal_reset(void)
-{
-	return signal_handle(SIG_DFL);
-}