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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
07b0b134 ML |
2 | |
3 | #ifndef fooswaphfoo | |
4 | #define fooswaphfoo | |
5 | ||
6 | /*** | |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2010 Lennart Poettering | |
10 | Copyright 2010 Maarten Lankhorst | |
11 | ||
12 | systemd is free software; you can redistribute it and/or modify it | |
13 | under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; either version 2 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | systemd is distributed in the hope that it will be useful, but | |
18 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
20 | General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
24 | ***/ | |
25 | ||
26 | typedef struct Swap Swap; | |
27 | ||
28 | #include "unit.h" | |
29 | ||
30 | typedef enum SwapState { | |
31 | SWAP_DEAD, | |
e04aad61 | 32 | SWAP_ACTIVATING, |
07b0b134 | 33 | SWAP_ACTIVE, |
e04aad61 LP |
34 | SWAP_DEACTIVATING, |
35 | SWAP_ACTIVATING_SIGTERM, | |
36 | SWAP_ACTIVATING_SIGKILL, | |
37 | SWAP_DEACTIVATING_SIGTERM, | |
38 | SWAP_DEACTIVATING_SIGKILL, | |
fdf20a31 | 39 | SWAP_FAILED, |
07b0b134 ML |
40 | _SWAP_STATE_MAX, |
41 | _SWAP_STATE_INVALID = -1 | |
42 | } SwapState; | |
43 | ||
e04aad61 LP |
44 | typedef enum SwapExecCommand { |
45 | SWAP_EXEC_ACTIVATE, | |
46 | SWAP_EXEC_DEACTIVATE, | |
47 | _SWAP_EXEC_COMMAND_MAX, | |
48 | _SWAP_EXEC_COMMAND_INVALID = -1 | |
49 | } SwapExecCommand; | |
50 | ||
4e85aff4 LP |
51 | typedef struct SwapParameters { |
52 | char *what; | |
53 | int priority; | |
54 | bool noauto:1; | |
173a8d04 | 55 | bool nofail:1; |
4e85aff4 LP |
56 | bool handle:1; |
57 | } SwapParameters; | |
58 | ||
07b0b134 | 59 | struct Swap { |
ac155bb8 | 60 | Unit meta; |
07b0b134 | 61 | |
e04aad61 LP |
62 | char *what; |
63 | ||
4e85aff4 LP |
64 | SwapParameters parameters_etc_fstab; |
65 | SwapParameters parameters_proc_swaps; | |
66 | SwapParameters parameters_fragment; | |
07b0b134 | 67 | |
4e85aff4 LP |
68 | bool from_etc_fstab:1; |
69 | bool from_proc_swaps:1; | |
70 | bool from_fragment:1; | |
e04aad61 LP |
71 | |
72 | bool failure:1; | |
73 | ||
74 | /* Used while looking for swaps that vanished or got added | |
75 | * from/to /proc/swaps */ | |
76 | bool is_active:1; | |
77 | bool just_activated:1; | |
78 | ||
79 | usec_t timeout_usec; | |
80 | ||
81 | ExecCommand exec_command[_SWAP_EXEC_COMMAND_MAX]; | |
82 | ExecContext exec_context; | |
83 | ||
84 | SwapState state, deserialized_state; | |
85 | ||
86 | ExecCommand* control_command; | |
87 | SwapExecCommand control_command_id; | |
88 | pid_t control_pid; | |
89 | ||
90 | Watch timer_watch; | |
91 | ||
35b8ca3a | 92 | /* In order to be able to distinguish dependencies on |
e04aad61 LP |
93 | different device nodes we might end up creating multiple |
94 | devices for the same swap. We chain them up here. */ | |
95 | ||
96 | LIST_FIELDS(struct Swap, same_proc_swaps); | |
07b0b134 ML |
97 | }; |
98 | ||
99 | extern const UnitVTable swap_vtable; | |
100 | ||
e04aad61 | 101 | int swap_add_one(Manager *m, const char *what, const char *what_proc_swaps, int prio, bool no_auto, bool no_fail, bool handle, bool set_flags); |
6e2ef85b LP |
102 | |
103 | int swap_add_one_mount_link(Swap *s, Mount *m); | |
104 | ||
e04aad61 | 105 | int swap_dispatch_reload(Manager *m); |
4e434314 | 106 | int swap_fd_event(Manager *m, int events); |
e04aad61 | 107 | |
07b0b134 ML |
108 | const char* swap_state_to_string(SwapState i); |
109 | SwapState swap_state_from_string(const char *s); | |
110 | ||
e04aad61 LP |
111 | const char* swap_exec_command_to_string(SwapExecCommand i); |
112 | SwapExecCommand swap_exec_command_from_string(const char *s); | |
07b0b134 ML |
113 | |
114 | #endif |