1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
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_FINISH, /* 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
83 ServiceRestart restart;
85 /* If set we'll read the main daemon PID from this file */
91 ExecCommand* exec_command[_SERVICE_EXEC_COMMAND_MAX];
92 ExecContext exec_context;
94 bool permissions_start_only;
95 bool root_directory_start_only;
96 bool valid_no_process;
98 ServiceState state, deserialized_state;
102 ExecStatus main_exec_status;
104 ExecCommand *control_command;
105 ServiceExecCommand control_command_id;
106 pid_t main_pid, control_pid;
107 bool main_pid_known:1;
109 /* If we shut down, remember why */
112 bool bus_name_good:1;
114 bool allow_restart:1;
116 bool got_socket_fd:1;
120 int sysv_start_priority;
121 char *sysv_runlevels;
134 extern const UnitVTable service_vtable;
136 int service_set_socket_fd(Service *s, int fd);
138 const char* service_state_to_string(ServiceState i);
139 ServiceState service_state_from_string(const char *s);
141 const char* service_restart_to_string(ServiceRestart i);
142 ServiceRestart service_restart_from_string(const char *s);
144 const char* service_type_to_string(ServiceType i);
145 ServiceType service_type_from_string(const char *s);
147 const char* service_exec_command_to_string(ServiceExecCommand i);
148 ServiceExecCommand service_exec_command_from_string(const char *s);