1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*-*- Mode: C; c-basic-offset: 8 -*-*/
#ifndef fooservicehfoo
#define fooservicehfoo
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
typedef struct Service Service;
#include "unit.h"
#include "ratelimit.h"
typedef enum ServiceState {
SERVICE_DEAD,
SERVICE_START_PRE,
SERVICE_START,
SERVICE_START_POST,
SERVICE_RUNNING,
SERVICE_EXITED, /* Nothing is running anymore, but ValidNoProcess is true, ehnce this is OK */
SERVICE_RELOAD,
SERVICE_STOP, /* No STOP_PRE state, instead just register multiple STOP executables */
SERVICE_STOP_SIGTERM,
SERVICE_STOP_SIGKILL,
SERVICE_STOP_POST,
SERVICE_FINAL_SIGTERM, /* In case the STOP_POST executable hangs, we shoot that down, too */
SERVICE_FINAL_SIGKILL,
SERVICE_MAINTAINANCE,
SERVICE_AUTO_RESTART,
_SERVICE_STATE_MAX,
_SERVICE_STATE_INVALID = -1
} ServiceState;
typedef enum ServiceRestart {
SERVICE_ONCE,
SERVICE_RESTART_ON_SUCCESS,
SERVICE_RESTART_ALWAYS,
_SERVICE_RESTART_MAX,
_SERVICE_RESTART_INVALID = -1
} ServiceRestart;
typedef enum ServiceType {
SERVICE_FORKING, /* forks by itself (i.e. traditional daemons) */
SERVICE_SIMPLE, /* we fork and go on right-away (i.e. modern socket activated daemons) */
SERVICE_FINISH, /* we fork and wait until the program finishes (i.e. programs like fsck which run and need to finish before we continue) */
SERVICE_DBUS, /* we fork and wait until a specific D-Bus name appears on the bus */
_SERVICE_TYPE_MAX,
_SERVICE_TYPE_INVALID = -1
} ServiceType;
typedef enum ServiceExecCommand {
SERVICE_EXEC_START_PRE,
SERVICE_EXEC_START,
SERVICE_EXEC_START_POST,
SERVICE_EXEC_RELOAD,
SERVICE_EXEC_STOP,
SERVICE_EXEC_STOP_POST,
_SERVICE_EXEC_COMMAND_MAX,
_SERVICE_EXEC_COMMAND_INVALID = -1
} ServiceExecCommand;
struct Service {
Meta meta;
ServiceType type;
ServiceRestart restart;
/* If set we'll read the main daemon PID from this file */
char *pid_file;
usec_t restart_usec;
usec_t timeout_usec;
ExecCommand* exec_command[_SERVICE_EXEC_COMMAND_MAX];
ExecContext exec_context;
bool permissions_start_only;
bool root_directory_start_only;
bool valid_no_process;
ServiceState state, deserialized_state;
KillMode kill_mode;
ExecStatus main_exec_status;
ExecCommand *control_command;
ServiceExecCommand control_command_id;
pid_t main_pid, control_pid;
bool main_pid_known:1;
/* If we shut down, remember why */
bool failure:1;
bool bus_name_good:1;
bool got_socket_fd:1;
bool sysv_has_lsb:1;
char *sysv_path;
int sysv_start_priority;
char *sysv_runlevels;
char *bus_name;
RateLimit ratelimit;
int socket_fd;
Watch timer_watch;
};
extern const UnitVTable service_vtable;
int service_set_socket_fd(Service *s, int fd);
const char* service_state_to_string(ServiceState i);
ServiceState service_state_from_string(const char *s);
const char* service_restart_to_string(ServiceRestart i);
ServiceRestart service_restart_from_string(const char *s);
const char* service_type_to_string(ServiceType i);
ServiceType service_type_from_string(const char *s);
const char* service_exec_command_to_string(ServiceExecCommand i);
ServiceExecCommand service_exec_command_from_string(const char *s);
#endif
|
