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 RemainAfterExit 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;
111 bool permissions_start_only;
112 bool root_directory_start_only;
113 bool remain_after_exit;
115 /* If we shut down, remember why */
117 bool main_pid_known:1;
118 bool bus_name_good:1;
119 bool forbid_restart:1;
120 bool got_socket_fd:1;
121 #ifdef HAVE_SYSV_COMPAT
124 int sysv_start_priority;
127 char *sysv_runlevels;
136 struct Socket *accept_socket;
137 Set *configured_sockets;
141 NotifyAccess notify_access;
144 extern const UnitVTable service_vtable;
146 int service_set_socket_fd(Service *s, int fd, struct Socket *socket);
148 const char* service_state_to_string(ServiceState i);
149 ServiceState service_state_from_string(const char *s);
151 const char* service_restart_to_string(ServiceRestart i);
152 ServiceRestart service_restart_from_string(const char *s);
154 const char* service_type_to_string(ServiceType i);
155 ServiceType service_type_from_string(const char *s);
157 const char* service_exec_command_to_string(ServiceExecCommand i);
158 ServiceExecCommand service_exec_command_from_string(const char *s);
160 const char* notify_access_to_string(NotifyAccess i);
161 NotifyAccess notify_access_from_string(const char *s);