1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
7 This file is part of systemd.
9 Copyright 2010 Lennart Poettering
10 Copyright 2010 Maarten Lankhorst
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.
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.
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/>.
26 typedef struct Swap Swap;
30 typedef enum SwapState {
35 SWAP_ACTIVATING_SIGTERM,
36 SWAP_ACTIVATING_SIGKILL,
37 SWAP_DEACTIVATING_SIGTERM,
38 SWAP_DEACTIVATING_SIGKILL,
41 _SWAP_STATE_INVALID = -1
44 typedef enum SwapExecCommand {
47 _SWAP_EXEC_COMMAND_MAX,
48 _SWAP_EXEC_COMMAND_INVALID = -1
51 typedef struct SwapParameters {
59 typedef enum SwapResult {
61 SWAP_FAILURE_RESOURCES,
63 SWAP_FAILURE_EXIT_CODE,
65 SWAP_FAILURE_CORE_DUMP,
67 _SWAP_RESULT_INVALID = -1
75 SwapParameters parameters_etc_fstab;
76 SwapParameters parameters_proc_swaps;
77 SwapParameters parameters_fragment;
79 bool from_etc_fstab:1;
80 bool from_proc_swaps:1;
83 /* Used while looking for swaps that vanished or got added
84 * from/to /proc/swaps */
86 bool just_activated:1;
92 ExecCommand exec_command[_SWAP_EXEC_COMMAND_MAX];
93 ExecContext exec_context;
95 SwapState state, deserialized_state;
97 ExecCommand* control_command;
98 SwapExecCommand control_command_id;
103 /* In order to be able to distinguish dependencies on
104 different device nodes we might end up creating multiple
105 devices for the same swap. We chain them up here. */
107 LIST_FIELDS(struct Swap, same_proc_swaps);
110 extern const UnitVTable swap_vtable;
112 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);
114 int swap_add_one_mount_link(Swap *s, Mount *m);
116 int swap_dispatch_reload(Manager *m);
117 int swap_fd_event(Manager *m, int events);
119 const char* swap_state_to_string(SwapState i);
120 SwapState swap_state_from_string(const char *s);
122 const char* swap_exec_command_to_string(SwapExecCommand i);
123 SwapExecCommand swap_exec_command_from_string(const char *s);
125 const char* swap_result_to_string(SwapResult i);
126 SwapResult swap_result_from_string(const char *s);