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
|
/*-*- Mode: C; c-basic-offset: 8 -*-*/
#ifndef fooservicehfoo
#define fooservicehfoo
typedef struct Service Service;
#include "unit.h"
typedef enum ServiceState {
SERVICE_DEAD,
SERVICE_START_PRE,
SERVICE_START,
SERVICE_START_POST,
SERVICE_RUNNING,
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,
} ServiceState;
typedef enum ServiceRestart {
SERVICE_ONCE,
SERVICE_RESTART_ON_SUCCESS,
SERVICE_RESTART_ALWAYS
} ServiceRestart;
typedef enum ServiceType {
SERVICE_FORKING,
SERVICE_SIMPLE
} 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_MAX
} 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_MAX];
ExecContext exec_context;
ServiceState state;
ExecStatus main_exec_status;
ExecCommand *control_command;
pid_t main_pid, control_pid;
bool main_pid_known:1;
bool failure:1; /* if we shut down, remember why */
int timer_id;
};
const UnitVTable service_vtable;
#endif
|
