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
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
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 Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
typedef struct Mount Mount;
#include "kill.h"
#include "execute.h"
typedef enum MountState {
MOUNT_DEAD,
MOUNT_MOUNTING, /* /usr/bin/mount is running, but the mount is not done yet. */
MOUNT_MOUNTING_DONE, /* /usr/bin/mount is running, and the mount is done. */
MOUNT_MOUNTED,
MOUNT_REMOUNTING,
MOUNT_UNMOUNTING,
MOUNT_MOUNTING_SIGTERM,
MOUNT_MOUNTING_SIGKILL,
MOUNT_REMOUNTING_SIGTERM,
MOUNT_REMOUNTING_SIGKILL,
MOUNT_UNMOUNTING_SIGTERM,
MOUNT_UNMOUNTING_SIGKILL,
MOUNT_FAILED,
_MOUNT_STATE_MAX,
_MOUNT_STATE_INVALID = -1
} MountState;
typedef enum MountExecCommand {
MOUNT_EXEC_MOUNT,
MOUNT_EXEC_UNMOUNT,
MOUNT_EXEC_REMOUNT,
_MOUNT_EXEC_COMMAND_MAX,
_MOUNT_EXEC_COMMAND_INVALID = -1
} MountExecCommand;
typedef enum MountResult {
MOUNT_SUCCESS,
MOUNT_FAILURE_RESOURCES,
MOUNT_FAILURE_TIMEOUT,
MOUNT_FAILURE_EXIT_CODE,
MOUNT_FAILURE_SIGNAL,
MOUNT_FAILURE_CORE_DUMP,
_MOUNT_RESULT_MAX,
_MOUNT_RESULT_INVALID = -1
} MountResult;
typedef struct MountParameters {
char *what;
char *options;
char *fstype;
} MountParameters;
struct Mount {
Unit meta;
char *where;
MountParameters parameters_proc_self_mountinfo;
MountParameters parameters_fragment;
bool from_proc_self_mountinfo:1;
bool from_fragment:1;
/* Used while looking for mount points that vanished or got
* added from/to /proc/self/mountinfo */
bool is_mounted:1;
bool just_mounted:1;
bool just_changed:1;
bool reset_cpu_usage:1;
bool sloppy_options;
MountResult result;
MountResult reload_result;
mode_t directory_mode;
usec_t timeout_usec;
ExecCommand exec_command[_MOUNT_EXEC_COMMAND_MAX];
ExecContext exec_context;
KillContext kill_context;
CGroupContext cgroup_context;
ExecRuntime *exec_runtime;
MountState state, deserialized_state;
ExecCommand* control_command;
MountExecCommand control_command_id;
pid_t control_pid;
sd_event_source *timer_event_source;
unsigned n_retry_umount;
};
extern const UnitVTable mount_vtable;
void mount_fd_event(Manager *m, int events);
const char* mount_state_to_string(MountState i) _const_;
MountState mount_state_from_string(const char *s) _pure_;
const char* mount_exec_command_to_string(MountExecCommand i) _const_;
MountExecCommand mount_exec_command_from_string(const char *s) _pure_;
const char* mount_result_to_string(MountResult i) _const_;
MountResult mount_result_from_string(const char *s) _pure_;
|