Commit 4a290e46 authored by Dag Erling Smørgrav's avatar Dag Erling Smørgrav

Pull in FreeBSD's daemon(3) for platforms that lack it.


git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2106 d4fa192b-c00b-0410-8231-f00ffab90ce4
parent 11530541
......@@ -7,12 +7,13 @@ pkginclude_HEADERS = \
stats.h \
varnishapi.h
noinst_HEADERS = \
nobase_noinst_HEADERS = \
binary_heap.h \
cli.h \
cli_common.h \
cli_priv.h \
compat/asprintf.h \
compat/daemon.h \
compat/setproctitle.h \
compat/srandomdev.h \
compat/strlcat.h \
......
/*-
* Copyright (c) 2006 Verdens Gang AS
* Copyright (c) 2006-2007 Linpro AS
* All rights reserved.
*
* Author: Dag-Erling Smørgrav <des@linpro.no>
*
* 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 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.
*
* $Id$
*/
#ifndef COMPAT_DAEMON_H_INCLUDED
#define COMPAT_DAEMON_H_INCLUDED
#ifndef HAVE_DAEMON
int daemon(int nochdir, int noclose);
#endif
#endif
......@@ -6,6 +6,7 @@ lib_LTLIBRARIES = libvarnishcompat.la
libvarnishcompat_la_SOURCES = \
asprintf.c \
daemon.c \
vasprintf.c \
setproctitle.c \
srandomdev.c \
......
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. 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.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* $Id$
* Derived from:
* $FreeBSD: src/lib/libc/gen/daemon.c,v 1.8 2007/01/09 00:27:53 imp Exp $
*/
#ifndef HAVE_DAEMON
#include <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include "compat/daemon.h"
int
daemon(int nochdir, int noclose)
{
struct sigaction osa, sa;
int fd;
pid_t newgrp;
int oerrno;
int osa_ok;
/* A SIGHUP may be thrown when the parent exits below. */
sigemptyset(&sa.sa_mask);
sa.sa_handler = SIG_IGN;
sa.sa_flags = 0;
osa_ok = sigaction(SIGHUP, &sa, &osa);
switch (fork()) {
case -1:
return (-1);
case 0:
break;
default:
exit(0);
}
newgrp = setsid();
oerrno = errno;
if (osa_ok != -1)
sigaction(SIGHUP, &osa, NULL);
if (newgrp == -1) {
errno = oerrno;
return (-1);
}
if (!nochdir)
(void)chdir("/");
if (!noclose && (fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) {
(void)dup2(fd, STDIN_FILENO);
(void)dup2(fd, STDOUT_FILENO);
(void)dup2(fd, STDERR_FILENO);
if (fd > 2)
(void)close(fd);
}
return (0);
}
#endif
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment