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#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 Path Path;
typedef struct PathSpec PathSpec;
#include "unit.h"
typedef enum PathType {
PATH_EXISTS,
PATH_EXISTS_GLOB,
PATH_DIRECTORY_NOT_EMPTY,
PATH_CHANGED,
PATH_MODIFIED,
_PATH_TYPE_MAX,
_PATH_TYPE_INVALID = -1
} PathType;
typedef struct PathSpec {
Unit *unit;
char *path;
sd_event_source *event_source;
LIST_FIELDS(struct PathSpec, spec);
PathType type;
int inotify_fd;
int primary_wd;
bool previous_exists;
} PathSpec;
int path_spec_watch(PathSpec *s, sd_event_io_handler_t handler);
void path_spec_unwatch(PathSpec *s);
int path_spec_fd_event(PathSpec *s, uint32_t events);
void path_spec_done(PathSpec *s);
static inline bool path_spec_owns_inotify_fd(PathSpec *s, int fd) {
return s->inotify_fd == fd;
}
typedef enum PathResult {
PATH_SUCCESS,
PATH_FAILURE_RESOURCES,
PATH_FAILURE_START_LIMIT_HIT,
_PATH_RESULT_MAX,
_PATH_RESULT_INVALID = -1
} PathResult;
struct Path {
Unit meta;
LIST_HEAD(PathSpec, specs);
PathState state, deserialized_state;
bool inotify_triggered;
bool make_directory;
mode_t directory_mode;
PathResult result;
};
void path_free_specs(Path *p);
extern const UnitVTable path_vtable;
const char* path_type_to_string(PathType i) _const_;
PathType path_type_from_string(const char *s) _pure_;
const char* path_result_to_string(PathResult i) _const_;
PathResult path_result_from_string(const char *s) _pure_;
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