diff options
author | Nicholas Marriott <nicholas.marriott@gmail.com> | 2008-06-18 19:36:27 +0000 |
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committer | Nicholas Marriott <nicholas.marriott@gmail.com> | 2008-06-18 19:36:27 +0000 |
commit | fed1a3ba8ab6d2ee1b81ca9c2bfe8039632f47b1 (patch) | |
tree | 25e233c8b2123001646acf41ebed4f76f1bc41dc | |
parent | 19b7946a85962f9458325637ff3559bca1286c6b (diff) |
compat/daemon.c
-rw-r--r-- | GNUmakefile | 4 | ||||
-rw-r--r-- | compat/daemon.c | 66 | ||||
-rw-r--r-- | tmux.h | 7 |
3 files changed, 74 insertions, 3 deletions
diff --git a/GNUmakefile b/GNUmakefile index 06866f79..9085d307 100644 --- a/GNUmakefile +++ b/GNUmakefile @@ -1,4 +1,4 @@ -# $Id: GNUmakefile,v 1.21 2008-06-18 19:34:50 nicm Exp $ +# $Id: GNUmakefile,v 1.22 2008-06-18 19:36:27 nicm Exp $ .PHONY: clean @@ -53,7 +53,7 @@ INSTALLMAN= install -g bin -o root -m 444 ifeq ($(shell uname),SunOS) INCDIRS+= -Icompat -SRCS+= compat/strtonum.c +SRCS+= compat/strtonum.c compat/daemon.c CFLAGS+= -DNO_STRTONUM -DNO_TREE_H -DNO_PATHS_H -DNO_SETPROCTITLE \ -DNO_DAEMON endif diff --git a/compat/daemon.c b/compat/daemon.c new file mode 100644 index 00000000..420f58dc --- /dev/null +++ b/compat/daemon.c @@ -0,0 +1,66 @@ +/* $OpenBSD: daemon.c,v 1.6 2005/08/08 08:05:33 espie Exp $ */ +/*- + * 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. + * 3. 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. + */ + +#include <fcntl.h> +#include <paths.h> +#include <unistd.h> +#include <stdlib.h> + +#include "tmux.h" + +int +daemon(int nochdir, int noclose) +{ + int fd; + + switch (fork()) { + case -1: + return (-1); + case 0: + break; + default: + _exit(0); + } + + if (setsid() == -1) + 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); +} @@ -1,4 +1,4 @@ -/* $Id: tmux.h,v 1.146 2008-06-18 19:34:50 nicm Exp $ */ +/* $Id: tmux.h,v 1.147 2008-06-18 19:36:27 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> @@ -760,6 +760,11 @@ size_t strlcpy(char *, const char *, size_t); size_t strlcat(char *, const char *, size_t); #endif +#ifdef NO_DAEMON +/* daemon.c */ +size_t daemon(int, int); +#endif + /* tmux.c */ extern volatile sig_atomic_t sigwinch; extern volatile sig_atomic_t sigterm; |