2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Jeremy Allison 2001-2002
6 Copyright (C) Simo Sorce 2001
7 Copyright (C) Jim McDonough (jmcd@us.ibm.com) 2003.
8 Copyright (C) James J Myers 2003
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "system/filesys.h"
26 #include "system/locale.h"
27 #if defined(HAVE_LIBSYSTEMD_DAEMON) || defined(HAVE_LIBSYSTEMD)
28 #include <systemd/sd-daemon.h>
31 #include "close_low_fd.h"
34 #include "become_daemon.h"
36 /*******************************************************************
37 Close the low 3 fd's and open dev/null in their place.
38 ********************************************************************/
40 void close_low_fds(bool stdin_too
, bool stdout_too
, bool stderr_too
)
44 int ret
= close_low_fd(0);
46 DBG_ERR("close_low_fd(0) failed: %s\n", strerror(ret
));
50 int ret
= close_low_fd(1);
52 DBG_ERR("close_low_fd(1) failed: %s\n", strerror(ret
));
56 int ret
= close_low_fd(2);
58 DBG_ERR("close_low_fd(2) failed: %s\n", strerror(ret
));
63 /****************************************************************************
64 Become a daemon, discarding the controlling terminal.
65 ****************************************************************************/
67 void become_daemon(bool do_fork
, bool no_session
, bool log_stdout
)
73 exit_daemon("Fork failed", errno
);
76 #if defined(HAVE_LIBSYSTEMD_DAEMON) || defined(HAVE_LIBSYSTEMD)
78 "READY=0\nSTATUS=Starting process...\n"
80 (unsigned long) newpid
);
81 #endif /* HAVE_LIBSYSTEMD_DAEMON */
86 /* detach from the terminal */
91 exit_daemon("Failed to create session", errno
);
94 #elif defined(TIOCNOTTY)
96 int i
= open("/dev/tty", O_RDWR
, 0);
98 ioctl(i
, (int) TIOCNOTTY
, (char *)0);
102 #endif /* HAVE_SETSID */
104 /* Close fd's 0,1,2 as appropriate. Needed if started by rsh. */
105 /* stdin must be open if we do not fork, for monitoring for
106 * close. stdout must be open if we are logging there, and we
107 * never close stderr (but debug might dup it onto a log file) */
108 close_low_fds(do_fork
, !log_stdout
, false);
111 void exit_daemon(const char *msg
, int error
)
113 #if defined(HAVE_LIBSYSTEMD_DAEMON) || defined(HAVE_LIBSYSTEMD)
115 msg
= strerror(error
);
118 sd_notifyf(0, "STATUS=daemon failed to start: %s\n"
123 DBG_ERR("STATUS=daemon failed to start: %s, error code %d\n",
128 void daemon_ready(const char *daemon
)
130 if (daemon
== NULL
) {
133 #if defined(HAVE_LIBSYSTEMD_DAEMON) || defined(HAVE_LIBSYSTEMD)
134 sd_notifyf(0, "READY=1\nSTATUS=%s: ready to serve connections...",
137 DBG_ERR("STATUS=daemon '%s' finished starting up and ready to serve "
138 "connections\n", daemon
);
141 void daemon_status(const char *daemon
, const char *msg
)
143 if (daemon
== NULL
) {
146 #if defined(HAVE_LIBSYSTEMD_DAEMON) || defined(HAVE_LIBSYSTEMD)
147 sd_notifyf(0, "\nSTATUS=%s: %s", daemon
, msg
);
149 DBG_ERR("STATUS=daemon '%s' : %s\n", daemon
, msg
);