c2911d48ff
Instead of assuming that more-recently modified directories have higher mtime, just look for any mtime changes, up or down. Since we don't want to remember individual mtimes, hash them to obtain a single value. This should help us behave properly in the case when the time jumps backwards during boot: various files might have mtimes that in the future, but we won't care. This fixes the following scenario: We have /etc/systemd/system with T1. T1 is initially far in the past. We have /run/systemd/generator with time T2. The time is adjusted backwards, so T2 will be always in the future for a while. Now the user writes new files to /etc/systemd/system, and T1 is updated to T1'. Nevertheless, T1 < T1' << T2. We would consider our cache to be up-to-date, falsely.
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "hashmap.h"
|
|
#include "time-util.h"
|
|
#include "unit-name.h"
|
|
|
|
typedef enum UnitFileState UnitFileState;
|
|
typedef enum UnitFileScope UnitFileScope;
|
|
typedef struct LookupPaths LookupPaths;
|
|
|
|
enum UnitFileState {
|
|
UNIT_FILE_ENABLED,
|
|
UNIT_FILE_ENABLED_RUNTIME,
|
|
UNIT_FILE_LINKED,
|
|
UNIT_FILE_LINKED_RUNTIME,
|
|
UNIT_FILE_ALIAS,
|
|
UNIT_FILE_MASKED,
|
|
UNIT_FILE_MASKED_RUNTIME,
|
|
UNIT_FILE_STATIC,
|
|
UNIT_FILE_DISABLED,
|
|
UNIT_FILE_INDIRECT,
|
|
UNIT_FILE_GENERATED,
|
|
UNIT_FILE_TRANSIENT,
|
|
UNIT_FILE_BAD,
|
|
_UNIT_FILE_STATE_MAX,
|
|
_UNIT_FILE_STATE_INVALID = -1
|
|
};
|
|
|
|
enum UnitFileScope {
|
|
UNIT_FILE_SYSTEM,
|
|
UNIT_FILE_GLOBAL,
|
|
UNIT_FILE_USER,
|
|
_UNIT_FILE_SCOPE_MAX,
|
|
_UNIT_FILE_SCOPE_INVALID = -1
|
|
};
|
|
|
|
bool unit_type_may_alias(UnitType type) _const_;
|
|
bool unit_type_may_template(UnitType type) _const_;
|
|
|
|
int unit_symlink_name_compatible(const char *symlink, const char *target, bool instance_propagation);
|
|
int unit_validate_alias_symlink_and_warn(const char *filename, const char *target);
|
|
|
|
bool lookup_paths_timestamp_hash_same(const LookupPaths *lp, uint64_t timestamp_hash, uint64_t *ret_new);
|
|
int unit_file_build_name_map(
|
|
const LookupPaths *lp,
|
|
uint64_t *cache_timestamp_hash,
|
|
Hashmap **unit_ids_map,
|
|
Hashmap **unit_names_map,
|
|
Set **path_cache);
|
|
|
|
int unit_file_find_fragment(
|
|
Hashmap *unit_ids_map,
|
|
Hashmap *unit_name_map,
|
|
const char *unit_name,
|
|
const char **ret_fragment_path,
|
|
Set **ret_names);
|
|
|
|
const char* runlevel_to_target(const char *rl);
|