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
;
29 #include "ratelimit.h"
32 typedef enum ServiceState
{
38 SERVICE_EXITED
, /* Nothing is running anymore, but RemainAfterExit is true hence this is OK */
40 SERVICE_STOP
, /* No STOP_PRE state, instead just register multiple STOP executables */
44 SERVICE_FINAL_SIGTERM
, /* In case the STOP_POST executable hangs, we shoot that down, too */
45 SERVICE_FINAL_SIGKILL
,
49 _SERVICE_STATE_INVALID
= -1
52 typedef enum ServiceRestart
{
54 SERVICE_RESTART_ON_SUCCESS
,
55 SERVICE_RESTART_ON_FAILURE
,
56 SERVICE_RESTART_ON_ABORT
,
57 SERVICE_RESTART_ALWAYS
,
59 _SERVICE_RESTART_INVALID
= -1
62 typedef enum ServiceType
{
63 SERVICE_SIMPLE
, /* we fork and go on right-away (i.e. modern socket activated daemons) */
64 SERVICE_FORKING
, /* forks by itself (i.e. traditional daemons) */
65 SERVICE_ONESHOT
, /* we fork and wait until the program finishes (i.e. programs like fsck which run and need to finish before we continue) */
66 SERVICE_DBUS
, /* we fork and wait until a specific D-Bus name appears on the bus */
67 SERVICE_NOTIFY
, /* we fork and wait until a daemon sends us a ready message with sd_notify() */
69 _SERVICE_TYPE_INVALID
= -1
72 typedef enum ServiceExecCommand
{
73 SERVICE_EXEC_START_PRE
,
75 SERVICE_EXEC_START_POST
,
78 SERVICE_EXEC_STOP_POST
,
79 _SERVICE_EXEC_COMMAND_MAX
,
80 _SERVICE_EXEC_COMMAND_INVALID
= -1
83 typedef enum NotifyAccess
{
88 _NOTIFY_ACCESS_INVALID
= -1
95 ServiceRestart restart
;
97 /* If set we'll read the main daemon PID from this file */
103 ExecCommand
* exec_command
[_SERVICE_EXEC_COMMAND_MAX
];
104 ExecContext exec_context
;
106 ServiceState state
, deserialized_state
;
108 /* The exit status of the real main process */
109 ExecStatus main_exec_status
;
111 /* The currently executed control process */
112 ExecCommand
*control_command
;
114 /* The currently executed main process, which may be NULL if
115 * the main process got started via forking mode and not by
117 ExecCommand
*main_command
;
119 /* The ID of the control command currently being executed */
120 ServiceExecCommand control_command_id
;
122 pid_t main_pid
, control_pid
;
127 bool permissions_start_only
;
128 bool root_directory_start_only
;
129 bool remain_after_exit
;
132 /* If we shut down, remember why */
134 bool reload_failure
:1;
136 bool main_pid_known
:1;
137 bool main_pid_alien
:1;
138 bool bus_name_good
:1;
139 bool forbid_restart
:1;
140 bool got_socket_fd
:1;
141 #ifdef HAVE_SYSV_COMPAT
144 int sysv_start_priority_from_rcnd
;
145 int sysv_start_priority
;
148 char *sysv_runlevels
;
158 UnitRef accept_socket
;
161 PathSpec
*pid_file_pathspec
;
163 NotifyAccess notify_access
;
166 extern const UnitVTable service_vtable
;
170 int service_set_socket_fd(Service
*s
, int fd
, struct Socket
*socket
);
172 const char* service_state_to_string(ServiceState i
);
173 ServiceState
service_state_from_string(const char *s
);
175 const char* service_restart_to_string(ServiceRestart i
);
176 ServiceRestart
service_restart_from_string(const char *s
);
178 const char* service_type_to_string(ServiceType i
);
179 ServiceType
service_type_from_string(const char *s
);
181 const char* service_exec_command_to_string(ServiceExecCommand i
);
182 ServiceExecCommand
service_exec_command_from_string(const char *s
);
184 const char* notify_access_to_string(NotifyAccess i
);
185 NotifyAccess
notify_access_from_string(const char *s
);