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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
typedef struct Path Path;
typedef struct PathSpec PathSpec;
typedef struct ActivationDetailsPath ActivationDetailsPath;
#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 = -EINVAL,
} 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_FAILURE_UNIT_START_LIMIT_HIT,
PATH_FAILURE_TRIGGER_LIMIT_HIT,
_PATH_RESULT_MAX,
_PATH_RESULT_INVALID = -EINVAL,
} PathResult;
struct Path {
Unit meta;
LIST_HEAD(PathSpec, specs);
PathState state, deserialized_state;
bool make_directory;
mode_t directory_mode;
PathResult result;
RateLimit trigger_limit;
sd_event_source *trigger_notify_event_source;
};
struct ActivationDetailsPath {
ActivationDetails meta;
char *trigger_path_filename;
};
void path_free_specs(Path *p);
extern const UnitVTable path_vtable;
extern const ActivationDetailsVTable activation_details_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_;
DEFINE_CAST(PATH, Path);
DEFINE_ACTIVATION_DETAILS_CAST(ACTIVATION_DETAILS_PATH, ActivationDetailsPath, PATH);
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