1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
7 This file is part of systemd.
9 Copyright 2010 Lennart Poettering
11 systemd is free software; you can redistribute it and/or modify it
12 under the terms of the GNU Lesser General Public License as published by
13 the Free Software Foundation; either version 2.1 of the License, or
14 (at your option) any later version.
16 systemd is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 Lesser General Public License for more details.
21 You should have received a copy of the GNU Lesser General Public License
22 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 typedef struct Path Path;
30 typedef enum PathState {
36 _PATH_STATE_INVALID = -1
39 typedef enum PathType {
42 PATH_DIRECTORY_NOT_EMPTY,
46 _PATH_TYPE_INVALID = -1
49 typedef struct PathSpec {
54 LIST_FIELDS(struct PathSpec, spec);
63 int path_spec_watch(PathSpec *s, Unit *u);
64 void path_spec_unwatch(PathSpec *s, Unit *u);
65 int path_spec_fd_event(PathSpec *s, uint32_t events);
66 void path_spec_done(PathSpec *s);
68 static inline bool path_spec_owns_inotify_fd(PathSpec *s, int fd) {
69 return s->inotify_fd == fd;
72 typedef enum PathResult {
74 PATH_FAILURE_RESOURCES,
76 _PATH_RESULT_INVALID = -1
82 LIST_HEAD(PathSpec, specs);
86 PathState state, deserialized_state;
88 bool inotify_triggered;
91 mode_t directory_mode;
96 void path_unit_notify(Unit *u, UnitActiveState new_state);
98 /* Called from the mount code figure out if a mount is a dependency of
99 * any of the paths of this path object */
100 int path_add_one_mount_link(Path *p, Mount *m);
102 extern const UnitVTable path_vtable;
104 const char* path_state_to_string(PathState i);
105 PathState path_state_from_string(const char *s);
107 const char* path_type_to_string(PathType i);
108 PathType path_type_from_string(const char *s);
110 const char* path_result_to_string(PathResult i);
111 PathResult path_result_from_string(const char *s);