1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
7 This file is part of systemd.
9 Copyright 2010 Lennart Poettering
11 systemd is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 systemd is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 typedef struct Service Service
;
28 #include "ratelimit.h"
30 typedef enum ServiceState
{
36 SERVICE_EXITED
, /* Nothing is running anymore, but ValidNoProcess is true, ehnce this is OK */
38 SERVICE_STOP
, /* No STOP_PRE state, instead just register multiple STOP executables */
42 SERVICE_FINAL_SIGTERM
, /* In case the STOP_POST executable hangs, we shoot that down, too */
43 SERVICE_FINAL_SIGKILL
,
47 _SERVICE_STATE_INVALID
= -1
50 typedef enum ServiceRestart
{
52 SERVICE_RESTART_ON_SUCCESS
,
53 SERVICE_RESTART_ALWAYS
,
55 _SERVICE_RESTART_INVALID
= -1
58 typedef enum ServiceType
{
59 SERVICE_SIMPLE
, /* we fork and go on right-away (i.e. modern socket activated daemons) */
60 SERVICE_FORKING
, /* forks by itself (i.e. traditional daemons) */
61 SERVICE_ONESHOT
, /* we fork and wait until the program finishes (i.e. programs like fsck which run and need to finish before we continue) */
62 SERVICE_DBUS
, /* we fork and wait until a specific D-Bus name appears on the bus */
63 SERVICE_NOTIFY
, /* we fork and wait until a daemon sends us a ready message with sd_notify() */
65 _SERVICE_TYPE_INVALID
= -1
68 typedef enum ServiceExecCommand
{
69 SERVICE_EXEC_START_PRE
,
71 SERVICE_EXEC_START_POST
,
74 SERVICE_EXEC_STOP_POST
,
75 _SERVICE_EXEC_COMMAND_MAX
,
76 _SERVICE_EXEC_COMMAND_INVALID
= -1
79 typedef enum NotifyAccess
{
84 _NOTIFY_ACCESS_INVALID
= -1
91 ServiceRestart restart
;
93 /* If set we'll read the main daemon PID from this file */
99 ExecCommand
* exec_command
[_SERVICE_EXEC_COMMAND_MAX
];
100 ExecContext exec_context
;
102 ServiceState state
, deserialized_state
;
104 ExecStatus main_exec_status
;
106 ExecCommand
*control_command
;
107 ServiceExecCommand control_command_id
;
108 pid_t main_pid
, control_pid
;
110 bool permissions_start_only
;
111 bool root_directory_start_only
;
112 bool valid_no_process
;
114 /* If we shut down, remember why */
116 bool main_pid_known
:1;
117 bool bus_name_good
:1;
118 bool forbid_restart
:1;
119 bool got_socket_fd
:1;
124 int sysv_start_priority
;
127 char *sysv_runlevels
;
135 struct Socket
*socket
;
139 NotifyAccess notify_access
;
142 extern const UnitVTable service_vtable
;
144 int service_set_socket_fd(Service
*s
, int fd
, struct Socket
*socket
);
146 const char* service_state_to_string(ServiceState i
);
147 ServiceState
service_state_from_string(const char *s
);
149 const char* service_restart_to_string(ServiceRestart i
);
150 ServiceRestart
service_restart_from_string(const char *s
);
152 const char* service_type_to_string(ServiceType i
);
153 ServiceType
service_type_from_string(const char *s
);
155 const char* service_exec_command_to_string(ServiceExecCommand i
);
156 ServiceExecCommand
service_exec_command_from_string(const char *s
);
158 const char* notify_access_to_string(NotifyAccess i
);
159 NotifyAccess
notify_access_from_string(const char *s
);