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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
c2f1db8f | 2 | #pragma once |
87f0e418 LP |
3 | |
4 | #include <stdbool.h> | |
5 | #include <stdlib.h> | |
84ebe6f0 | 6 | #include <sys/socket.h> |
bbc9006e | 7 | #include <unistd.h> |
87f0e418 | 8 | |
2d3b784d ZJS |
9 | #include "sd-id128.h" |
10 | ||
6a48d82f | 11 | #include "bpf-program.h" |
134e56dc | 12 | #include "condition.h" |
87a47f99 | 13 | #include "emergency-action.h" |
71d35b6b | 14 | #include "list.h" |
5bcf34eb | 15 | #include "show-status.h" |
fab34748 | 16 | #include "set.h" |
5cfa33e0 | 17 | #include "unit-file.h" |
6b659ed8 | 18 | #include "cgroup.h" |
87f0e418 | 19 | |
57b7a260 FS |
20 | typedef struct UnitRef UnitRef; |
21 | ||
db2cb23b UTL |
22 | typedef enum KillOperation { |
23 | KILL_TERMINATE, | |
1d98fef1 | 24 | KILL_TERMINATE_AND_LOG, |
a232ebcc | 25 | KILL_RESTART, |
db2cb23b | 26 | KILL_KILL, |
c87700a1 | 27 | KILL_WATCHDOG, |
4940c0b0 | 28 | _KILL_OPERATION_MAX, |
2d93c20e | 29 | _KILL_OPERATION_INVALID = -EINVAL, |
db2cb23b UTL |
30 | } KillOperation; |
31 | ||
5afe510c LP |
32 | typedef enum CollectMode { |
33 | COLLECT_INACTIVE, | |
34 | COLLECT_INACTIVE_OR_FAILED, | |
35 | _COLLECT_MODE_MAX, | |
2d93c20e | 36 | _COLLECT_MODE_INVALID = -EINVAL, |
5afe510c LP |
37 | } CollectMode; |
38 | ||
87f0e418 | 39 | static inline bool UNIT_IS_ACTIVE_OR_RELOADING(UnitActiveState t) { |
3742095b | 40 | return IN_SET(t, UNIT_ACTIVE, UNIT_RELOADING); |
87f0e418 LP |
41 | } |
42 | ||
43 | static inline bool UNIT_IS_ACTIVE_OR_ACTIVATING(UnitActiveState t) { | |
3742095b | 44 | return IN_SET(t, UNIT_ACTIVE, UNIT_ACTIVATING, UNIT_RELOADING); |
87f0e418 LP |
45 | } |
46 | ||
47 | static inline bool UNIT_IS_INACTIVE_OR_DEACTIVATING(UnitActiveState t) { | |
3742095b | 48 | return IN_SET(t, UNIT_INACTIVE, UNIT_FAILED, UNIT_DEACTIVATING); |
6124958c LP |
49 | } |
50 | ||
fdf20a31 | 51 | static inline bool UNIT_IS_INACTIVE_OR_FAILED(UnitActiveState t) { |
3742095b | 52 | return IN_SET(t, UNIT_INACTIVE, UNIT_FAILED); |
87f0e418 LP |
53 | } |
54 | ||
0377cd29 LP |
55 | static inline bool UNIT_IS_LOAD_COMPLETE(UnitLoadState t) { |
56 | return t >= 0 && t < _UNIT_LOAD_STATE_MAX && t != UNIT_STUB && t != UNIT_MERGED; | |
57 | } | |
58 | ||
eef85c4a LP |
59 | /* Stores the 'reason' a dependency was created as a bit mask, i.e. due to which configuration source it came to be. We |
60 | * use this so that we can selectively flush out parts of dependencies again. Note that the same dependency might be | |
61 | * created as a result of multiple "reasons", hence the bitmask. */ | |
62 | typedef enum UnitDependencyMask { | |
5238e957 | 63 | /* Configured directly by the unit file, .wants/.requires symlink or drop-in, or as an immediate result of a |
eef85c4a LP |
64 | * non-dependency option configured that way. */ |
65 | UNIT_DEPENDENCY_FILE = 1 << 0, | |
66 | ||
67 | /* As unconditional implicit dependency (not affected by unit configuration — except by the unit name and | |
68 | * type) */ | |
69 | UNIT_DEPENDENCY_IMPLICIT = 1 << 1, | |
70 | ||
71 | /* A dependency effected by DefaultDependencies=yes. Note that dependencies marked this way are conceptually | |
72 | * just a subset of UNIT_DEPENDENCY_FILE, as DefaultDependencies= is itself a unit file setting that can only | |
73 | * be set in unit files. We make this two separate bits only to help debugging how dependencies came to be. */ | |
74 | UNIT_DEPENDENCY_DEFAULT = 1 << 2, | |
75 | ||
76 | /* A dependency created from udev rules */ | |
77 | UNIT_DEPENDENCY_UDEV = 1 << 3, | |
78 | ||
79 | /* A dependency created because of some unit's RequiresMountsFor= setting */ | |
80 | UNIT_DEPENDENCY_PATH = 1 << 4, | |
81 | ||
87c734ee FB |
82 | /* A dependency initially configured from the mount unit file however the dependency will be updated |
83 | * from /proc/self/mountinfo as soon as the kernel will make the entry for that mount available in | |
84 | * the /proc file */ | |
85 | UNIT_DEPENDENCY_MOUNT_FILE = 1 << 5, | |
86 | ||
87 | /* A dependency created or updated because of data read from /proc/self/mountinfo */ | |
88 | UNIT_DEPENDENCY_MOUNTINFO = 1 << 6, | |
49267b1b | 89 | |
eef85c4a | 90 | /* A dependency created because of data read from /proc/swaps and no other configuration source */ |
87c734ee | 91 | UNIT_DEPENDENCY_PROC_SWAP = 1 << 7, |
eef85c4a | 92 | |
899acf5c | 93 | /* A dependency for units in slices assigned by directly setting Slice= */ |
87c734ee | 94 | UNIT_DEPENDENCY_SLICE_PROPERTY = 1 << 8, |
899acf5c | 95 | |
87c734ee | 96 | _UNIT_DEPENDENCY_MASK_FULL = (1 << 9) - 1, |
eef85c4a LP |
97 | } UnitDependencyMask; |
98 | ||
99 | /* The Unit's dependencies[] hashmaps use this structure as value. It has the same size as a void pointer, and thus can | |
100 | * be stored directly as hashmap value, without any indirection. Note that this stores two masks, as both the origin | |
101 | * and the destination of a dependency might have created it. */ | |
102 | typedef union UnitDependencyInfo { | |
103 | void *data; | |
104 | struct { | |
105 | UnitDependencyMask origin_mask:16; | |
106 | UnitDependencyMask destination_mask:16; | |
107 | } _packed_; | |
108 | } UnitDependencyInfo; | |
109 | ||
48b92b37 LB |
110 | /* Store information about why a unit was activated. |
111 | * We start with trigger units (.path/.timer), eventually it will be expanded to include more metadata. */ | |
112 | typedef struct ActivationDetails { | |
113 | unsigned n_ref; | |
114 | UnitType trigger_unit_type; | |
115 | char *trigger_unit_name; | |
116 | } ActivationDetails; | |
117 | ||
118 | /* For casting an activation event into the various unit-specific types */ | |
119 | #define DEFINE_ACTIVATION_DETAILS_CAST(UPPERCASE, MixedCase, UNIT_TYPE) \ | |
120 | static inline MixedCase* UPPERCASE(ActivationDetails *a) { \ | |
121 | if (_unlikely_(!a || a->trigger_unit_type != UNIT_##UNIT_TYPE)) \ | |
122 | return NULL; \ | |
123 | \ | |
124 | return (MixedCase*) a; \ | |
125 | } | |
126 | ||
127 | /* For casting the various unit types into a unit */ | |
128 | #define ACTIVATION_DETAILS(u) \ | |
129 | ({ \ | |
130 | typeof(u) _u_ = (u); \ | |
131 | ActivationDetails *_w_ = _u_ ? &(_u_)->meta : NULL; \ | |
132 | _w_; \ | |
133 | }) | |
134 | ||
135 | ActivationDetails *activation_details_new(Unit *trigger_unit); | |
136 | ActivationDetails *activation_details_ref(ActivationDetails *p); | |
137 | ActivationDetails *activation_details_unref(ActivationDetails *p); | |
138 | void activation_details_serialize(ActivationDetails *p, FILE *f); | |
139 | int activation_details_deserialize(const char *key, const char *value, ActivationDetails **info); | |
140 | int activation_details_append_env(ActivationDetails *info, char ***strv); | |
141 | int activation_details_append_pair(ActivationDetails *info, char ***strv); | |
142 | DEFINE_TRIVIAL_CLEANUP_FUNC(ActivationDetails*, activation_details_unref); | |
143 | ||
144 | typedef struct ActivationDetailsVTable { | |
145 | /* How much memory does an object of this activation type need */ | |
146 | size_t object_size; | |
147 | ||
148 | /* This should reset all type-specific variables. This should not allocate memory, and is called | |
149 | * with zero-initialized data. It should hence only initialize variables that need to be set != 0. */ | |
150 | void (*init)(ActivationDetails *info, Unit *trigger_unit); | |
151 | ||
152 | /* This should free all type-specific variables. It should be idempotent. */ | |
153 | void (*done)(ActivationDetails *info); | |
154 | ||
155 | /* This should serialize all type-specific variables. */ | |
156 | void (*serialize)(ActivationDetails *info, FILE *f); | |
157 | ||
158 | /* This should deserialize all type-specific variables, one at a time. */ | |
159 | int (*deserialize)(const char *key, const char *value, ActivationDetails **info); | |
160 | ||
161 | /* This should format the type-specific variables for the env block of the spawned service, | |
162 | * and return the number of added items. */ | |
163 | int (*append_env)(ActivationDetails *info, char ***strv); | |
164 | ||
165 | /* This should append type-specific variables as key/value pairs for the D-Bus property of the job, | |
166 | * and return the number of added pairs. */ | |
167 | int (*append_pair)(ActivationDetails *info, char ***strv); | |
168 | } ActivationDetailsVTable; | |
169 | ||
170 | extern const ActivationDetailsVTable * const activation_details_vtable[_UNIT_TYPE_MAX]; | |
171 | ||
172 | static inline const ActivationDetailsVTable* ACTIVATION_DETAILS_VTABLE(const ActivationDetails *a) { | |
173 | assert(a); | |
174 | assert(a->trigger_unit_type < _UNIT_TYPE_MAX); | |
175 | ||
176 | return activation_details_vtable[a->trigger_unit_type]; | |
177 | } | |
178 | ||
15ed3c3a LP |
179 | /* Newer LLVM versions don't like implicit casts from large pointer types to smaller enums, hence let's add |
180 | * explicit type-safe helpers for that. */ | |
181 | static inline UnitDependency UNIT_DEPENDENCY_FROM_PTR(const void *p) { | |
182 | return PTR_TO_INT(p); | |
183 | } | |
184 | ||
185 | static inline void* UNIT_DEPENDENCY_TO_PTR(UnitDependency d) { | |
186 | return INT_TO_PTR(d); | |
187 | } | |
188 | ||
ef734fd6 LP |
189 | #include "job.h" |
190 | ||
a016b922 LP |
191 | struct UnitRef { |
192 | /* Keeps tracks of references to a unit. This is useful so | |
193 | * that we can merge two units if necessary and correct all | |
194 | * references to them */ | |
195 | ||
7f7d01ed ZJS |
196 | Unit *source, *target; |
197 | LIST_FIELDS(UnitRef, refs_by_target); | |
a016b922 LP |
198 | }; |
199 | ||
57b7a260 | 200 | typedef struct Unit { |
87f0e418 | 201 | Manager *manager; |
23a177ef | 202 | |
87f0e418 LP |
203 | UnitType type; |
204 | UnitLoadState load_state; | |
23a177ef | 205 | Unit *merged_into; |
87f0e418 | 206 | |
4562c355 | 207 | char *id; /* The one special name that we use for identification */ |
9e2f7c11 | 208 | char *instance; |
87f0e418 | 209 | |
4562c355 | 210 | Set *aliases; /* All the other names. */ |
87f0e418 | 211 | |
15ed3c3a LP |
212 | /* For each dependency type we can look up another Hashmap with this, whose key is a Unit* object, |
213 | * and whose value encodes why the dependency exists, using the UnitDependencyInfo type. i.e. a | |
214 | * Hashmap(UnitDependency → Hashmap(Unit* → UnitDependencyInfo)) */ | |
215 | Hashmap *dependencies; | |
eef85c4a | 216 | |
15ed3c3a LP |
217 | /* Similar, for RequiresMountsFor= path dependencies. The key is the path, the value the |
218 | * UnitDependencyInfo type */ | |
eef85c4a | 219 | Hashmap *requires_mounts_for; |
7c8fa05c | 220 | |
87f0e418 | 221 | char *description; |
49dbfa7b | 222 | char **documentation; |
faf919f1 | 223 | |
23e9a7dd LP |
224 | /* The SELinux context used for checking access to this unit read off the unit file at load time (do |
225 | * not confuse with the selinux_context field in ExecContext which is the SELinux context we'll set | |
226 | * for processes) */ | |
227 | char *access_selinux_context; | |
228 | ||
6be1e7d5 | 229 | char *fragment_path; /* if loaded from a config file this is the primary path to it */ |
1b64d026 | 230 | char *source_path; /* if converted, the source file */ |
ae7a7182 | 231 | char **dropin_paths; |
f78f265f | 232 | |
c2911d48 | 233 | usec_t fragment_not_found_timestamp_hash; |
45fb0699 | 234 | usec_t fragment_mtime; |
1b64d026 | 235 | usec_t source_mtime; |
ae7a7182 | 236 | usec_t dropin_mtime; |
87f0e418 | 237 | |
4f4afc88 LP |
238 | /* If this is a transient unit we are currently writing, this is where we are writing it to */ |
239 | FILE *transient_file; | |
240 | ||
8c2524c7 | 241 | /* Freezer state */ |
af1e3365 | 242 | sd_bus_message *pending_freezer_invocation; |
8c2524c7 ZJS |
243 | FreezerState freezer_state; |
244 | ||
245 | /* Job timeout and action to take */ | |
246 | EmergencyAction job_timeout_action; | |
247 | usec_t job_timeout; | |
248 | usec_t job_running_timeout; | |
249 | char *job_timeout_reboot_arg; | |
250 | ||
e0209d83 | 251 | /* If there is something to do with this unit, then this is the installed job for it */ |
87f0e418 LP |
252 | Job *job; |
253 | ||
e0209d83 MS |
254 | /* JOB_NOP jobs are special and can be installed without disturbing the real job. */ |
255 | Job *nop_job; | |
256 | ||
bbc29086 DM |
257 | /* The slot used for watching NameOwnerChanged signals */ |
258 | sd_bus_slot *match_bus_slot; | |
a5a8776a | 259 | sd_bus_slot *get_name_owner_slot; |
bbc29086 | 260 | |
05a98afd LP |
261 | /* References to this unit from clients */ |
262 | sd_bus_track *bus_track; | |
263 | char **deserialized_refs; | |
264 | ||
57020a3a | 265 | /* References to this */ |
7f7d01ed | 266 | LIST_HEAD(UnitRef, refs_by_target); |
57020a3a | 267 | |
52661efd LP |
268 | /* Conditions to check */ |
269 | LIST_HEAD(Condition, conditions); | |
59fccdc5 | 270 | LIST_HEAD(Condition, asserts); |
52661efd | 271 | |
90bbc946 | 272 | dual_timestamp condition_timestamp; |
59fccdc5 | 273 | dual_timestamp assert_timestamp; |
90bbc946 | 274 | |
a483fb59 LP |
275 | /* Updated whenever the low-level state changes */ |
276 | dual_timestamp state_change_timestamp; | |
277 | ||
278 | /* Updated whenever the (high-level) active state enters or leaves the active or inactive states */ | |
63983207 LP |
279 | dual_timestamp inactive_exit_timestamp; |
280 | dual_timestamp active_enter_timestamp; | |
281 | dual_timestamp active_exit_timestamp; | |
282 | dual_timestamp inactive_enter_timestamp; | |
87f0e418 | 283 | |
ef734fd6 | 284 | /* Per type list */ |
ac155bb8 | 285 | LIST_FIELDS(Unit, units_by_type); |
c1e1601e | 286 | |
701cc384 | 287 | /* Load queue */ |
ac155bb8 | 288 | LIST_FIELDS(Unit, load_queue); |
701cc384 | 289 | |
c1e1601e | 290 | /* D-Bus queue */ |
ac155bb8 | 291 | LIST_FIELDS(Unit, dbus_queue); |
23a177ef LP |
292 | |
293 | /* Cleanup queue */ | |
ac155bb8 | 294 | LIST_FIELDS(Unit, cleanup_queue); |
9d58f1db | 295 | |
701cc384 | 296 | /* GC queue */ |
ac155bb8 | 297 | LIST_FIELDS(Unit, gc_queue); |
701cc384 | 298 | |
4ad49000 | 299 | /* CGroup realize members queue */ |
91a6073e | 300 | LIST_FIELDS(Unit, cgroup_realize_queue); |
4ad49000 | 301 | |
09e24654 LP |
302 | /* cgroup empty queue */ |
303 | LIST_FIELDS(Unit, cgroup_empty_queue); | |
304 | ||
afcfaa69 LP |
305 | /* cgroup OOM queue */ |
306 | LIST_FIELDS(Unit, cgroup_oom_queue); | |
307 | ||
19496554 MS |
308 | /* Target dependencies queue */ |
309 | LIST_FIELDS(Unit, target_deps_queue); | |
310 | ||
0bc488c9 | 311 | /* Queue of units with StopWhenUnneeded= set that shall be checked for clean-up. */ |
a3c1168a LP |
312 | LIST_FIELDS(Unit, stop_when_unneeded_queue); |
313 | ||
0bc488c9 LP |
314 | /* Queue of units that have an Uphold= dependency from some other unit, and should be checked for starting */ |
315 | LIST_FIELDS(Unit, start_when_upheld_queue); | |
316 | ||
56c59592 LP |
317 | /* Queue of units that have a BindTo= dependency on some other unit, and should possibly be shut down */ |
318 | LIST_FIELDS(Unit, stop_when_bound_queue); | |
319 | ||
a911bb9a LP |
320 | /* PIDs we keep an eye on. Note that a unit might have many |
321 | * more, but these are the ones we care enough about to | |
322 | * process SIGCHLD for */ | |
323 | Set *pids; | |
324 | ||
62a76913 LP |
325 | /* Used in SIGCHLD and sd_notify() message event invocation logic to avoid that we dispatch the same event |
326 | * multiple times on the same unit. */ | |
327 | unsigned sigchldgen; | |
328 | unsigned notifygen; | |
36f20ae3 | 329 | |
701cc384 | 330 | /* Used during GC sweeps */ |
eced69b3 | 331 | unsigned gc_marker; |
701cc384 | 332 | |
8821a00f LP |
333 | /* Error code when we didn't manage to load the unit (negative) */ |
334 | int load_error; | |
335 | ||
6bf0f408 | 336 | /* Put a ratelimit on unit starting */ |
7bf081a1 | 337 | RateLimit start_ratelimit; |
87a47f99 | 338 | EmergencyAction start_limit_action; |
53c35a76 | 339 | |
ff68472a ZJS |
340 | /* The unit has been marked for reload, restart, etc. Stored as 1u << marker1 | 1u << marker2. */ |
341 | unsigned markers; | |
342 | ||
7af67e9a LP |
343 | /* What to do on failure or success */ |
344 | EmergencyAction success_action, failure_action; | |
345 | int success_action_exit_status, failure_action_exit_status; | |
6bf0f408 LP |
346 | char *reboot_arg; |
347 | ||
0bc488c9 LP |
348 | /* Make sure we never enter endless loops with the StopWhenUnneeded=, BindsTo=, Uphold= logic */ |
349 | RateLimit auto_start_stop_ratelimit; | |
bea355da | 350 | |
00d9ef85 LP |
351 | /* Reference to a specific UID/GID */ |
352 | uid_t ref_uid; | |
353 | gid_t ref_gid; | |
354 | ||
d2dc52db | 355 | /* Cached unit file state and preset */ |
a4375746 | 356 | UnitFileState unit_file_state; |
d2dc52db | 357 | int unit_file_preset; |
a4375746 | 358 | |
66ebf6c0 TH |
359 | /* Where the cpu.stat or cpuacct.usage was at the time the unit was started */ |
360 | nsec_t cpu_usage_base; | |
fe700f46 | 361 | nsec_t cpu_usage_last; /* the most recently read value */ |
5ad096b3 | 362 | |
38c41427 | 363 | /* The current counter of OOM kills initiated by systemd-oomd */ |
fe8d22fb AZ |
364 | uint64_t managed_oom_kill_last; |
365 | ||
366 | /* The current counter of the oom_kill field in the memory.events cgroup attribute */ | |
afcfaa69 LP |
367 | uint64_t oom_kill_last; |
368 | ||
fbe14fc9 LP |
369 | /* Where the io.stat data was at the time the unit was started */ |
370 | uint64_t io_accounting_base[_CGROUP_IO_ACCOUNTING_METRIC_MAX]; | |
371 | uint64_t io_accounting_last[_CGROUP_IO_ACCOUNTING_METRIC_MAX]; /* the most recently read value */ | |
372 | ||
7c52a17b ZJS |
373 | /* Counterparts in the cgroup filesystem */ |
374 | char *cgroup_path; | |
184b4f78 | 375 | uint64_t cgroup_id; |
4e1dfa45 CD |
376 | CGroupMask cgroup_realized_mask; /* In which hierarchies does this unit's cgroup exist? (only relevant on cgroup v1) */ |
377 | CGroupMask cgroup_enabled_mask; /* Which controllers are enabled (or more correctly: enabled for the children) for this unit's cgroup? (only relevant on cgroup v2) */ | |
5238e957 | 378 | CGroupMask cgroup_invalidated_mask; /* A mask specifying controllers which shall be considered invalidated, and require re-realization */ |
5a62e5e2 | 379 | CGroupMask cgroup_members_mask; /* A cache for the controllers required by all children of this cgroup (only relevant for slice units) */ |
afcfaa69 LP |
380 | |
381 | /* Inotify watch descriptors for watching cgroup.events and memory.events on cgroupv2 */ | |
0bb814c2 | 382 | int cgroup_control_inotify_wd; |
afcfaa69 | 383 | int cgroup_memory_inotify_wd; |
7c52a17b | 384 | |
084c7007 RG |
385 | /* Device Controller BPF program */ |
386 | BPFProgram *bpf_device_control_installed; | |
387 | ||
6a48d82f DM |
388 | /* IP BPF Firewalling/accounting */ |
389 | int ip_accounting_ingress_map_fd; | |
390 | int ip_accounting_egress_map_fd; | |
0fd9c28c | 391 | uint64_t ip_accounting_extra[_CGROUP_IP_ACCOUNTING_METRIC_MAX]; |
6a48d82f DM |
392 | |
393 | int ipv4_allow_map_fd; | |
394 | int ipv6_allow_map_fd; | |
395 | int ipv4_deny_map_fd; | |
396 | int ipv6_deny_map_fd; | |
aa2b6f1d LP |
397 | BPFProgram *ip_bpf_ingress, *ip_bpf_ingress_installed; |
398 | BPFProgram *ip_bpf_egress, *ip_bpf_egress_installed; | |
0fd9c28c | 399 | |
fab34748 KL |
400 | Set *ip_bpf_custom_ingress; |
401 | Set *ip_bpf_custom_ingress_installed; | |
402 | Set *ip_bpf_custom_egress; | |
403 | Set *ip_bpf_custom_egress_installed; | |
6a48d82f | 404 | |
5f8ba20d JK |
405 | /* BPF programs managed (e.g. loaded to kernel) by an entity external to systemd, |
406 | * attached to unit cgroup by provided program fd and attach type. */ | |
407 | Hashmap *bpf_foreign_by_key; | |
408 | ||
3d027d4d | 409 | FDSet *initial_socket_bind_link_fds; |
91ce91c7 JK |
410 | #if BPF_FRAMEWORK |
411 | /* BPF links to BPF programs attached to cgroup/bind{4|6} hooks and | |
412 | * responsible for allowing or denying a unit to bind(2) to a socket | |
413 | * address. */ | |
414 | struct bpf_link *ipv4_socket_bind_link; | |
415 | struct bpf_link *ipv6_socket_bind_link; | |
416 | #endif | |
417 | ||
6f50d4f7 MV |
418 | FDSet *initial_restric_ifaces_link_fds; |
419 | #if BPF_FRAMEWORK | |
420 | struct bpf_link *restrict_ifaces_ingress_bpf_link; | |
421 | struct bpf_link *restrict_ifaces_egress_bpf_link; | |
422 | #endif | |
423 | ||
50be4f4a LP |
424 | /* Low-priority event source which is used to remove watched PIDs that have gone away, and subscribe to any new |
425 | * ones which might have appeared. */ | |
426 | sd_event_source *rewatch_pids_event_source; | |
427 | ||
294446dc LP |
428 | /* How to start OnSuccess=/OnFailure= units */ |
429 | JobMode on_success_job_mode; | |
7c52a17b ZJS |
430 | JobMode on_failure_job_mode; |
431 | ||
48b92b37 LB |
432 | /* If the job had a specific trigger that needs to be advertised (eg: a path unit), store it. */ |
433 | ActivationDetails *activation_details; | |
434 | ||
5afe510c LP |
435 | /* Tweaking the GC logic */ |
436 | CollectMode collect_mode; | |
437 | ||
4b58153d LP |
438 | /* The current invocation ID */ |
439 | sd_id128_t invocation_id; | |
440 | char invocation_id_string[SD_ID128_STRING_MAX]; /* useful when logging */ | |
441 | ||
9d58f1db LP |
442 | /* Garbage collect us we nobody wants or requires us anymore */ |
443 | bool stop_when_unneeded; | |
444 | ||
35b8ca3a | 445 | /* Create default dependencies */ |
a40eb732 LP |
446 | bool default_dependencies; |
447 | ||
b5e9dba8 LP |
448 | /* Refuse manual starting, allow starting only indirectly via dependency. */ |
449 | bool refuse_manual_start; | |
450 | ||
451 | /* Don't allow the user to stop this unit manually, allow stopping only indirectly via dependency. */ | |
452 | bool refuse_manual_stop; | |
453 | ||
2528a7a6 LP |
454 | /* Allow isolation requests */ |
455 | bool allow_isolate; | |
456 | ||
c8f4d764 LP |
457 | /* Ignore this unit when isolating */ |
458 | bool ignore_on_isolate; | |
459 | ||
49f43d5f | 460 | /* Did the last condition check succeed? */ |
90bbc946 | 461 | bool condition_result; |
59fccdc5 | 462 | bool assert_result; |
90bbc946 | 463 | |
c2756a68 LP |
464 | /* Is this a transient unit? */ |
465 | bool transient; | |
466 | ||
f5869324 LP |
467 | /* Is this a unit that is always running and cannot be stopped? */ |
468 | bool perpetual; | |
469 | ||
66fa4bdd | 470 | /* Booleans indicating membership of this unit in the various queues */ |
9d58f1db LP |
471 | bool in_load_queue:1; |
472 | bool in_dbus_queue:1; | |
473 | bool in_cleanup_queue:1; | |
701cc384 | 474 | bool in_gc_queue:1; |
91a6073e | 475 | bool in_cgroup_realize_queue:1; |
09e24654 | 476 | bool in_cgroup_empty_queue:1; |
afcfaa69 | 477 | bool in_cgroup_oom_queue:1; |
19496554 | 478 | bool in_target_deps_queue:1; |
a3c1168a | 479 | bool in_stop_when_unneeded_queue:1; |
0bc488c9 | 480 | bool in_start_when_upheld_queue:1; |
56c59592 | 481 | bool in_stop_when_bound_queue:1; |
701cc384 | 482 | |
9d58f1db | 483 | bool sent_dbus_new_signal:1; |
6c073082 | 484 | |
8c2524c7 ZJS |
485 | bool job_running_timeout_set:1; |
486 | ||
cd6d0a45 | 487 | bool in_audit:1; |
adefcf28 | 488 | bool on_console:1; |
a57f7e2c LP |
489 | |
490 | bool cgroup_realized:1; | |
bc432dc7 | 491 | bool cgroup_members_mask_valid:1; |
f78f265f | 492 | |
3c7416b6 LP |
493 | /* Reset cgroup accounting next time we fork something off */ |
494 | bool reset_accounting:1; | |
495 | ||
6bf0f408 LP |
496 | bool start_limit_hit:1; |
497 | ||
f78f265f | 498 | /* Did we already invoke unit_coldplug() for this unit? */ |
f8a30ce5 | 499 | bool coldplugged:1; |
05a98afd LP |
500 | |
501 | /* For transient units: whether to add a bus track reference after creating the unit */ | |
502 | bool bus_track_add:1; | |
d3070fbd LP |
503 | |
504 | /* Remember which unit state files we created */ | |
505 | bool exported_invocation_id:1; | |
506 | bool exported_log_level_max:1; | |
507 | bool exported_log_extra_fields:1; | |
5ac1530e ZJS |
508 | bool exported_log_ratelimit_interval:1; |
509 | bool exported_log_ratelimit_burst:1; | |
2e59b241 | 510 | |
527ede0c FB |
511 | /* Whether we warned about clamping the CPU quota period */ |
512 | bool warned_clamping_cpu_quota_period:1; | |
513 | ||
2e59b241 LP |
514 | /* When writing transient unit files, stores which section we stored last. If < 0, we didn't write any yet. If |
515 | * == 0 we are in the [Unit] section, if > 0 we are in the unit type-specific section. */ | |
845d247a | 516 | signed int last_section_private:2; |
57b7a260 | 517 | } Unit; |
87f0e418 | 518 | |
57b7a260 | 519 | typedef struct UnitStatusMessageFormats { |
c6918296 MS |
520 | const char *starting_stopping[2]; |
521 | const char *finished_start_job[_JOB_RESULT_MAX]; | |
522 | const char *finished_stop_job[_JOB_RESULT_MAX]; | |
eda0cbf0 ZJS |
523 | /* If this entry is present, it'll be called to provide a context-dependent format string, |
524 | * or NULL to fall back to finished_{start,stop}_job; if those are NULL too, fall back to generic. */ | |
525 | const char *(*finished_job)(Unit *u, JobType t, JobResult result); | |
57b7a260 | 526 | } UnitStatusMessageFormats; |
c6918296 | 527 | |
2e59b241 LP |
528 | /* Flags used when writing drop-in files or transient unit files */ |
529 | typedef enum UnitWriteFlags { | |
530 | /* Write a runtime unit file or drop-in (i.e. one below /run) */ | |
24536beb | 531 | UNIT_RUNTIME = 1 << 0, |
2e59b241 LP |
532 | |
533 | /* Write a persistent drop-in (i.e. one below /etc) */ | |
24536beb | 534 | UNIT_PERSISTENT = 1 << 1, |
2e59b241 LP |
535 | |
536 | /* Place this item in the per-unit-type private section, instead of [Unit] */ | |
24536beb | 537 | UNIT_PRIVATE = 1 << 2, |
2e59b241 LP |
538 | |
539 | /* Apply specifier escaping before writing */ | |
24536beb ZJS |
540 | UNIT_ESCAPE_SPECIFIERS = 1 << 3, |
541 | ||
542 | /* Escape elements of ExecStart= syntax before writing */ | |
543 | UNIT_ESCAPE_EXEC_SYNTAX = 1 << 4, | |
2e59b241 LP |
544 | |
545 | /* Apply C escaping before writing */ | |
24536beb | 546 | UNIT_ESCAPE_C = 1 << 5, |
2e59b241 LP |
547 | } UnitWriteFlags; |
548 | ||
549 | /* Returns true if neither persistent, nor runtime storage is requested, i.e. this is a check invocation only */ | |
6529ccfa LP |
550 | static inline bool UNIT_WRITE_FLAGS_NOOP(UnitWriteFlags flags) { |
551 | return (flags & (UNIT_RUNTIME|UNIT_PERSISTENT)) == 0; | |
552 | } | |
8e2af478 | 553 | |
57b7a260 FS |
554 | #include "kill.h" |
555 | ||
556 | typedef struct UnitVTable { | |
7d17cfbc MS |
557 | /* How much memory does an object of this unit type need */ |
558 | size_t object_size; | |
559 | ||
3ef63c31 LP |
560 | /* If greater than 0, the offset into the object where |
561 | * ExecContext is found, if the unit type has that */ | |
562 | size_t exec_context_offset; | |
563 | ||
4ad49000 LP |
564 | /* If greater than 0, the offset into the object where |
565 | * CGroupContext is found, if the unit type has that */ | |
566 | size_t cgroup_context_offset; | |
567 | ||
718db961 LP |
568 | /* If greater than 0, the offset into the object where |
569 | * KillContext is found, if the unit type has that */ | |
570 | size_t kill_context_offset; | |
571 | ||
613b411c | 572 | /* If greater than 0, the offset into the object where the |
e76506b7 | 573 | * pointer to ExecSharedRuntime is found, if the unit type has |
613b411c LP |
574 | * that */ |
575 | size_t exec_runtime_offset; | |
576 | ||
29206d46 LP |
577 | /* If greater than 0, the offset into the object where the pointer to DynamicCreds is found, if the unit type |
578 | * has that. */ | |
579 | size_t dynamic_creds_offset; | |
580 | ||
ee33e53a | 581 | /* The name of the configuration file section with the private settings of this unit */ |
4ad49000 | 582 | const char *private_section; |
71645aca | 583 | |
f975e971 LP |
584 | /* Config file sections this unit type understands, separated |
585 | * by NUL chars */ | |
586 | const char *sections; | |
587 | ||
e537352b | 588 | /* This should reset all type-specific variables. This should |
a16e1123 LP |
589 | * not allocate memory, and is called with zero-initialized |
590 | * data. It should hence only initialize variables that need | |
591 | * to be set != 0. */ | |
e537352b LP |
592 | void (*init)(Unit *u); |
593 | ||
a16e1123 LP |
594 | /* This should free all type-specific variables. It should be |
595 | * idempotent. */ | |
596 | void (*done)(Unit *u); | |
597 | ||
e537352b LP |
598 | /* Actually load data from disk. This may fail, and should set |
599 | * load_state to UNIT_LOADED, UNIT_MERGED or leave it at | |
600 | * UNIT_STUB if no configuration could be found. */ | |
601 | int (*load)(Unit *u); | |
602 | ||
f0831ed2 | 603 | /* During deserialization we only record the intended state to return to. With coldplug() we actually put the |
a95c0505 LP |
604 | * deserialized state in effect. This is where unit_notify() should be called to start things up. Note that |
605 | * this callback is invoked *before* we leave the reloading state of the manager, i.e. *before* we consider the | |
606 | * reloading to be complete. Thus, this callback should just restore the exact same state for any unit that was | |
607 | * in effect before the reload, i.e. units should not catch up with changes happened during the reload. That's | |
608 | * what catchup() below is for. */ | |
be847e82 | 609 | int (*coldplug)(Unit *u); |
87f0e418 | 610 | |
a95c0505 LP |
611 | /* This is called shortly after all units' coldplug() call was invoked, and *after* the manager left the |
612 | * reloading state. It's supposed to catch up with state changes due to external events we missed so far (for | |
613 | * example because they took place while we were reloading/reexecing) */ | |
f0831ed2 LP |
614 | void (*catchup)(Unit *u); |
615 | ||
87f0e418 LP |
616 | void (*dump)(Unit *u, FILE *f, const char *prefix); |
617 | ||
618 | int (*start)(Unit *u); | |
619 | int (*stop)(Unit *u); | |
620 | int (*reload)(Unit *u); | |
621 | ||
a721cd00 | 622 | int (*kill)(Unit *u, KillWho w, int signo, int code, int value, sd_bus_error *error); |
8a0867d6 | 623 | |
380dc8b0 LP |
624 | /* Clear out the various runtime/state/cache/logs/configuration data */ |
625 | int (*clean)(Unit *u, ExecCleanMask m); | |
626 | ||
d9e45bc3 MS |
627 | /* Freeze the unit */ |
628 | int (*freeze)(Unit *u); | |
629 | int (*thaw)(Unit *u); | |
630 | bool (*can_freeze)(Unit *u); | |
631 | ||
380dc8b0 LP |
632 | /* Return which kind of data can be cleaned */ |
633 | int (*can_clean)(Unit *u, ExecCleanMask *ret); | |
634 | ||
87f0e418 LP |
635 | bool (*can_reload)(Unit *u); |
636 | ||
1ece068e ZJS |
637 | /* Serialize state and file descriptors that should be carried over into the new |
638 | * instance after reexecution. */ | |
a16e1123 LP |
639 | int (*serialize)(Unit *u, FILE *f, FDSet *fds); |
640 | ||
641 | /* Restore one item from the serialization */ | |
642 | int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds); | |
643 | ||
01e10de3 | 644 | /* Try to match up fds with what we need for this unit */ |
9ff1a6f1 | 645 | void (*distribute_fds)(Unit *u, FDSet *fds); |
01e10de3 | 646 | |
87f0e418 LP |
647 | /* Boils down the more complex internal state of this unit to |
648 | * a simpler one that the engine can understand */ | |
649 | UnitActiveState (*active_state)(Unit *u); | |
650 | ||
10a94420 LP |
651 | /* Returns the substate specific to this unit type as |
652 | * string. This is purely information so that we can give the | |
35b8ca3a | 653 | * user a more fine grained explanation in which actual state a |
10a94420 LP |
654 | * unit is in. */ |
655 | const char* (*sub_state_to_string)(Unit *u); | |
656 | ||
deb4e708 MK |
657 | /* Additionally to UnitActiveState determine whether unit is to be restarted. */ |
658 | bool (*will_restart)(Unit *u); | |
659 | ||
f2f725e5 ZJS |
660 | /* Return false when there is a reason to prevent this unit from being gc'ed |
661 | * even though nothing references it and it isn't active in any way. */ | |
662 | bool (*may_gc)(Unit *u); | |
701cc384 | 663 | |
39c79477 ZJS |
664 | /* Return true when the unit is not controlled by the manager (e.g. extrinsic mounts). */ |
665 | bool (*is_extrinsic)(Unit *u); | |
666 | ||
7eb2a8a1 LP |
667 | /* When the unit is not running and no job for it queued we shall release its runtime resources */ |
668 | void (*release_resources)(Unit *u); | |
a354329f | 669 | |
718db961 | 670 | /* Invoked on every child that died */ |
87f0e418 | 671 | void (*sigchld_event)(Unit *u, pid_t pid, int code, int status); |
7824bbeb | 672 | |
fdf20a31 MM |
673 | /* Reset failed state if we are in failed state */ |
674 | void (*reset_failed)(Unit *u); | |
5632e374 | 675 | |
afcfaa69 | 676 | /* Called whenever any of the cgroups this unit watches for ran empty */ |
4ad49000 | 677 | void (*notify_cgroup_empty)(Unit *u); |
8e274523 | 678 | |
afcfaa69 | 679 | /* Called whenever an OOM kill event on this unit was seen */ |
38c41427 | 680 | void (*notify_cgroup_oom)(Unit *u, bool managed_oom); |
afcfaa69 | 681 | |
8c47c732 | 682 | /* Called whenever a process of this unit sends us a message */ |
fcee2755 | 683 | void (*notify_message)(Unit *u, const struct ucred *ucred, char * const *tags, FDSet *fds); |
8c47c732 | 684 | |
00d9ef85 | 685 | /* Called whenever a name this Unit registered for comes or goes away. */ |
fc67a943 | 686 | void (*bus_name_owner_change)(Unit *u, const char *new_owner); |
05e343b7 | 687 | |
8e2af478 | 688 | /* Called for each property that is being set */ |
2e59b241 | 689 | int (*bus_set_property)(Unit *u, const char *name, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); |
8e2af478 LP |
690 | |
691 | /* Called after at least one property got changed to apply the necessary change */ | |
692 | int (*bus_commit_properties)(Unit *u); | |
693 | ||
a7f241db LP |
694 | /* Return the unit this unit is following */ |
695 | Unit *(*following)(Unit *u); | |
696 | ||
6210e7fc LP |
697 | /* Return the set of units that are following each other */ |
698 | int (*following_set)(Unit *u, Set **s); | |
699 | ||
3ecaa09b LP |
700 | /* Invoked each time a unit this unit is triggering changes |
701 | * state or gains/loses a job */ | |
702 | void (*trigger_notify)(Unit *u, Unit *trigger); | |
703 | ||
8742514c LP |
704 | /* Called whenever CLOCK_REALTIME made a jump */ |
705 | void (*time_change)(Unit *u); | |
706 | ||
bbf5fd8e LP |
707 | /* Called whenever /etc/localtime was modified */ |
708 | void (*timezone_change)(Unit *u); | |
709 | ||
7a7821c8 LP |
710 | /* Returns the next timeout of a unit */ |
711 | int (*get_timeout)(Unit *u, usec_t *timeout); | |
68db7a3b | 712 | |
291d565a LP |
713 | /* Returns the main PID if there is any defined, or 0. */ |
714 | pid_t (*main_pid)(Unit *u); | |
715 | ||
716 | /* Returns the main PID if there is any defined, or 0. */ | |
717 | pid_t (*control_pid)(Unit *u); | |
718 | ||
bb2c7685 LP |
719 | /* Returns true if the unit currently needs access to the console */ |
720 | bool (*needs_console)(Unit *u); | |
721 | ||
7af67e9a LP |
722 | /* Returns the exit status to propagate in case of FailureAction=exit/SuccessAction=exit; usually returns the |
723 | * exit code of the "main" process of the service or similar. */ | |
724 | int (*exit_status)(Unit *u); | |
725 | ||
5e1669ff ZJS |
726 | /* Return a copy of the status string pointer. */ |
727 | const char* (*status_text)(Unit *u); | |
728 | ||
04eb582a LP |
729 | /* Like the enumerate() callback further down, but only enumerates the perpetual units, i.e. all units that |
730 | * unconditionally exist and are always active. The main reason to keep both enumeration functions separate is | |
731 | * philosophical: the state of perpetual units should be put in place by coldplug(), while the state of those | |
732 | * discovered through regular enumeration should be put in place by catchup(), see below. */ | |
733 | void (*enumerate_perpetual)(Manager *m); | |
734 | ||
f0831ed2 LP |
735 | /* This is called for each unit type and should be used to enumerate units already existing in the system |
736 | * internally and load them. However, everything that is loaded here should still stay in inactive state. It is | |
04eb582a | 737 | * the job of the catchup() call above to put the units into the discovered state. */ |
ba64af90 | 738 | void (*enumerate)(Manager *m); |
f50e0a01 LP |
739 | |
740 | /* Type specific cleanups. */ | |
7824bbeb | 741 | void (*shutdown)(Manager *m); |
9d58f1db | 742 | |
cbd4a8df | 743 | /* If this function is set and returns false all jobs for units |
0faacd47 | 744 | * of this type will immediately fail. */ |
1c2e9646 | 745 | bool (*supported)(void); |
0faacd47 | 746 | |
9727f242 DDM |
747 | /* If this function is set, it's invoked first as part of starting a unit to allow start rate |
748 | * limiting checks to occur before we do anything else. */ | |
705578c3 | 749 | int (*can_start)(Unit *u); |
9727f242 | 750 | |
718db961 | 751 | /* The strings to print in status messages */ |
c6918296 MS |
752 | UnitStatusMessageFormats status_message_formats; |
753 | ||
c2756a68 | 754 | /* True if transient units of this type are OK */ |
cbd4a8df | 755 | bool can_transient; |
c5a97ed1 | 756 | |
1d9cc876 | 757 | /* True if cgroup delegation is permissible */ |
cbd4a8df | 758 | bool can_delegate; |
1d9cc876 | 759 | |
c80a9a33 | 760 | /* True if the unit type triggers other units, i.e. can have a UNIT_TRIGGERS dependency */ |
cbd4a8df | 761 | bool can_trigger; |
c80a9a33 LP |
762 | |
763 | /* True if the unit type knows a failure state, and thus can be source of an OnFailure= dependency */ | |
cbd4a8df | 764 | bool can_fail; |
c80a9a33 | 765 | |
d4fd1cf2 | 766 | /* True if units of this type shall be startable only once and then never again */ |
cbd4a8df | 767 | bool once_only; |
d4fd1cf2 | 768 | |
755021d4 ZJS |
769 | /* Do not serialize this unit when preparing for root switch */ |
770 | bool exclude_from_switch_root_serialization; | |
771 | ||
c5a97ed1 | 772 | /* True if queued jobs of this type should be GC'ed if no other job needs them anymore */ |
cbd4a8df | 773 | bool gc_jobs; |
4d824a4e | 774 | |
0923b425 | 775 | /* True if systemd-oomd can monitor and act on this unit's recursive children's cgroups */ |
cbd4a8df | 776 | bool can_set_managed_oom; |
57b7a260 | 777 | } UnitVTable; |
87f0e418 LP |
778 | |
779 | extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX]; | |
780 | ||
c2503e35 | 781 | static inline const UnitVTable* UNIT_VTABLE(const Unit *u) { |
6529ccfa LP |
782 | return unit_vtable[u->type]; |
783 | } | |
87f0e418 LP |
784 | |
785 | /* For casting a unit into the various unit types */ | |
786 | #define DEFINE_CAST(UPPERCASE, MixedCase) \ | |
787 | static inline MixedCase* UPPERCASE(Unit *u) { \ | |
ac155bb8 | 788 | if (_unlikely_(!u || u->type != UNIT_##UPPERCASE)) \ |
87f0e418 LP |
789 | return NULL; \ |
790 | \ | |
791 | return (MixedCase*) u; \ | |
792 | } | |
793 | ||
794 | /* For casting the various unit types into a unit */ | |
bbf11206 LP |
795 | #define UNIT(u) \ |
796 | ({ \ | |
797 | typeof(u) _u_ = (u); \ | |
798 | Unit *_w_ = _u_ ? &(_u_)->meta : NULL; \ | |
799 | _w_; \ | |
800 | }) | |
87f0e418 | 801 | |
35b7ff80 LP |
802 | #define UNIT_HAS_EXEC_CONTEXT(u) (UNIT_VTABLE(u)->exec_context_offset > 0) |
803 | #define UNIT_HAS_CGROUP_CONTEXT(u) (UNIT_VTABLE(u)->cgroup_context_offset > 0) | |
804 | #define UNIT_HAS_KILL_CONTEXT(u) (UNIT_VTABLE(u)->kill_context_offset > 0) | |
805 | ||
15ed3c3a LP |
806 | Unit* unit_has_dependency(const Unit *u, UnitDependencyAtom atom, Unit *other); |
807 | int unit_get_dependency_array(const Unit *u, UnitDependencyAtom atom, Unit ***ret_array); | |
808 | ||
809 | static inline Hashmap* unit_get_dependencies(Unit *u, UnitDependency d) { | |
810 | return hashmap_get(u->dependencies, UNIT_DEPENDENCY_TO_PTR(d)); | |
811 | } | |
812 | ||
6529ccfa | 813 | static inline Unit* UNIT_TRIGGER(Unit *u) { |
15ed3c3a | 814 | return unit_has_dependency(u, UNIT_ATOM_TRIGGERS, NULL); |
6529ccfa | 815 | } |
3ecaa09b | 816 | |
12f64221 | 817 | static inline Unit* UNIT_GET_SLICE(const Unit *u) { |
d219a2b0 | 818 | return unit_has_dependency(u, UNIT_ATOM_IN_SLICE, NULL); |
12f64221 LP |
819 | } |
820 | ||
75db809a ZJS |
821 | Unit* unit_new(Manager *m, size_t size); |
822 | Unit* unit_free(Unit *u); | |
dc409696 | 823 | DEFINE_TRIVIAL_CLEANUP_FUNC(Unit *, unit_free); |
87f0e418 | 824 | |
a581e45a | 825 | int unit_new_for_name(Manager *m, size_t size, const char *name, Unit **ret); |
87f0e418 | 826 | int unit_add_name(Unit *u, const char *name); |
9e2f7c11 | 827 | |
eef85c4a LP |
828 | int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_reference, UnitDependencyMask mask); |
829 | int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference, UnitDependencyMask mask); | |
2c966c03 | 830 | |
35d8c19a | 831 | int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, bool add_reference, UnitDependencyMask mask); |
5a724170 | 832 | int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, bool add_reference, UnitDependencyMask mask); |
2c966c03 | 833 | |
23a177ef LP |
834 | int unit_add_exec_dependencies(Unit *u, ExecContext *c); |
835 | ||
0ae97ec1 | 836 | int unit_choose_id(Unit *u, const char *name); |
f50e0a01 | 837 | int unit_set_description(Unit *u, const char *description); |
87f0e418 | 838 | |
f2f725e5 | 839 | bool unit_may_gc(Unit *u); |
701cc384 | 840 | |
39c79477 ZJS |
841 | static inline bool unit_is_extrinsic(Unit *u) { |
842 | return u->perpetual || | |
843 | (UNIT_VTABLE(u)->is_extrinsic && UNIT_VTABLE(u)->is_extrinsic(u)); | |
844 | } | |
845 | ||
5e1669ff ZJS |
846 | static inline const char* unit_status_text(Unit *u) { |
847 | if (u && UNIT_VTABLE(u)->status_text) | |
848 | return UNIT_VTABLE(u)->status_text(u); | |
849 | return NULL; | |
850 | } | |
851 | ||
87f0e418 | 852 | void unit_add_to_load_queue(Unit *u); |
c1e1601e | 853 | void unit_add_to_dbus_queue(Unit *u); |
23a177ef | 854 | void unit_add_to_cleanup_queue(Unit *u); |
701cc384 | 855 | void unit_add_to_gc_queue(Unit *u); |
19496554 | 856 | void unit_add_to_target_deps_queue(Unit *u); |
fda09318 | 857 | void unit_submit_to_stop_when_unneeded_queue(Unit *u); |
0bc488c9 | 858 | void unit_submit_to_start_when_upheld_queue(Unit *u); |
56c59592 | 859 | void unit_submit_to_stop_when_bound_queue(Unit *u); |
87f0e418 LP |
860 | |
861 | int unit_merge(Unit *u, Unit *other); | |
23a177ef LP |
862 | int unit_merge_by_name(Unit *u, const char *other); |
863 | ||
44a6b1b6 | 864 | Unit *unit_follow_merge(Unit *u) _pure_; |
87f0e418 | 865 | |
c3620770 | 866 | int unit_load_fragment_and_dropin(Unit *u, bool fragment_required); |
87f0e418 LP |
867 | int unit_load(Unit *unit); |
868 | ||
899acf5c | 869 | int unit_set_slice(Unit *u, Unit *slice); |
d79200e2 | 870 | int unit_set_default_slice(Unit *u); |
a016b922 | 871 | |
44a6b1b6 | 872 | const char *unit_description(Unit *u) _pure_; |
04d232d8 | 873 | const char *unit_status_string(Unit *u, char **combined); |
87f0e418 | 874 | |
303ee601 | 875 | bool unit_has_name(const Unit *u, const char *name); |
f278026d | 876 | |
87f0e418 | 877 | UnitActiveState unit_active_state(Unit *u); |
d9e45bc3 MS |
878 | FreezerState unit_freezer_state(Unit *u); |
879 | int unit_freezer_state_kernel(Unit *u, FreezerState *ret); | |
87f0e418 | 880 | |
10a94420 LP |
881 | const char* unit_sub_state_to_string(Unit *u); |
882 | ||
44a6b1b6 ZJS |
883 | bool unit_can_reload(Unit *u) _pure_; |
884 | bool unit_can_start(Unit *u) _pure_; | |
f5869324 | 885 | bool unit_can_stop(Unit *u) _pure_; |
44a6b1b6 | 886 | bool unit_can_isolate(Unit *u) _pure_; |
87f0e418 | 887 | |
48b92b37 | 888 | int unit_start(Unit *u, ActivationDetails *details); |
87f0e418 LP |
889 | int unit_stop(Unit *u); |
890 | int unit_reload(Unit *u); | |
891 | ||
a721cd00 LP |
892 | int unit_kill(Unit *u, KillWho w, int signo, int code, int value, sd_bus_error *error); |
893 | int unit_kill_common(Unit *u, KillWho who, int signo, int code, int value, pid_t main_pid, pid_t control_pid, sd_bus_error *error); | |
8a0867d6 | 894 | |
38c41427 NK |
895 | void unit_notify_cgroup_oom(Unit *u, bool managed_oom); |
896 | ||
2ad2e41a | 897 | typedef enum UnitNotifyFlags { |
ef31828d LP |
898 | UNIT_NOTIFY_RELOAD_FAILURE = 1 << 0, |
899 | UNIT_NOTIFY_WILL_AUTO_RESTART = 1 << 1, | |
2ad2e41a LP |
900 | } UnitNotifyFlags; |
901 | ||
902 | void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, UnitNotifyFlags flags); | |
87f0e418 | 903 | |
f75f613d | 904 | int unit_watch_pid(Unit *u, pid_t pid, bool exclusive); |
87f0e418 | 905 | void unit_unwatch_pid(Unit *u, pid_t pid); |
a911bb9a LP |
906 | void unit_unwatch_all_pids(Unit *u); |
907 | ||
50be4f4a LP |
908 | int unit_enqueue_rewatch_pids(Unit *u); |
909 | void unit_dequeue_rewatch_pids(Unit *u); | |
87f0e418 | 910 | |
9806e87d | 911 | int unit_install_bus_match(Unit *u, sd_bus *bus, const char *name); |
05e343b7 LP |
912 | int unit_watch_bus_name(Unit *u, const char *name); |
913 | void unit_unwatch_bus_name(Unit *u, const char *name); | |
914 | ||
87f0e418 LP |
915 | bool unit_job_is_applicable(Unit *u, JobType j); |
916 | ||
0301abf4 LP |
917 | int set_unit_path(const char *p); |
918 | ||
50159e6a | 919 | char *unit_dbus_path(Unit *u); |
4b58153d | 920 | char *unit_dbus_path_invocation_id(Unit *u); |
50159e6a | 921 | |
f6ff8c29 LP |
922 | int unit_load_related_unit(Unit *u, const char *type, Unit **_found); |
923 | ||
d336ba9f | 924 | int unit_add_node_dependency(Unit *u, const char *what, UnitDependency d, UnitDependencyMask mask); |
44b0d1fd | 925 | int unit_add_blockdev_dependency(Unit *u, const char *what, UnitDependencyMask mask); |
6e2ef85b | 926 | |
be847e82 | 927 | int unit_coldplug(Unit *u); |
f0831ed2 | 928 | void unit_catchup(Unit *u); |
cca098b0 | 929 | |
04d232d8 | 930 | void unit_status_printf(Unit *u, StatusType status_type, const char *status, const char *format, const char *ident) _printf_(4, 0); |
9e58ff9c | 931 | |
45fb0699 LP |
932 | bool unit_need_daemon_reload(Unit *u); |
933 | ||
fdf20a31 | 934 | void unit_reset_failed(Unit *u); |
5632e374 | 935 | |
a7f241db | 936 | Unit *unit_following(Unit *u); |
eeaedb7c | 937 | int unit_following_set(Unit *u, Set **s); |
a7f241db | 938 | |
9444b1f2 LP |
939 | const char *unit_slice_name(Unit *u); |
940 | ||
44a6b1b6 ZJS |
941 | bool unit_stop_pending(Unit *u) _pure_; |
942 | bool unit_inactive_or_pending(Unit *u) _pure_; | |
31afa0a4 | 943 | bool unit_active_or_pending(Unit *u); |
52a12341 | 944 | bool unit_will_restart_default(Unit *u); |
deb4e708 | 945 | bool unit_will_restart(Unit *u); |
18ffdfda | 946 | |
bba34eed LP |
947 | int unit_add_default_target_dependency(Unit *u, Unit *target); |
948 | ||
294446dc | 949 | void unit_start_on_failure(Unit *u, const char *dependency_name, UnitDependencyAtom atom, JobMode job_mode); |
3ecaa09b | 950 | void unit_trigger_notify(Unit *u); |
c0daa706 | 951 | |
a4375746 | 952 | UnitFileState unit_get_unit_file_state(Unit *u); |
d2dc52db | 953 | int unit_get_unit_file_preset(Unit *u); |
a4375746 | 954 | |
7f7d01ed | 955 | Unit* unit_ref_set(UnitRef *ref, Unit *source, Unit *target); |
57020a3a LP |
956 | void unit_ref_unset(UnitRef *ref); |
957 | ||
7f7d01ed ZJS |
958 | #define UNIT_DEREF(ref) ((ref).target) |
959 | #define UNIT_ISSET(ref) (!!(ref).target) | |
57020a3a | 960 | |
598459ce | 961 | int unit_patch_contexts(Unit *u); |
e06c73cc | 962 | |
c2503e35 | 963 | ExecContext *unit_get_exec_context(const Unit *u) _pure_; |
718db961 | 964 | KillContext *unit_get_kill_context(Unit *u) _pure_; |
4ad49000 | 965 | CGroupContext *unit_get_cgroup_context(Unit *u) _pure_; |
598459ce | 966 | |
e76506b7 | 967 | ExecSharedRuntime *unit_get_exec_runtime(Unit *u) _pure_; |
613b411c LP |
968 | |
969 | int unit_setup_exec_runtime(Unit *u); | |
29206d46 | 970 | int unit_setup_dynamic_creds(Unit *u); |
3ef63c31 | 971 | |
2e59b241 LP |
972 | char* unit_escape_setting(const char *s, UnitWriteFlags flags, char **buf); |
973 | char* unit_concat_strv(char **l, UnitWriteFlags flags); | |
b9ec9359 | 974 | |
2e59b241 LP |
975 | int unit_write_setting(Unit *u, UnitWriteFlags flags, const char *name, const char *data); |
976 | int unit_write_settingf(Unit *u, UnitWriteFlags mode, const char *name, const char *format, ...) _printf_(4,5); | |
b9ec9359 | 977 | |
db2cb23b | 978 | int unit_kill_context(Unit *u, KillContext *c, KillOperation k, pid_t main_pid, pid_t control_pid, bool main_pid_alien); |
cd2086fe | 979 | |
c2756a68 LP |
980 | int unit_make_transient(Unit *u); |
981 | ||
eef85c4a | 982 | int unit_require_mounts_for(Unit *u, const char *path, UnitDependencyMask mask); |
a57f7e2c | 983 | |
1c2e9646 LP |
984 | bool unit_type_supported(UnitType t); |
985 | ||
0f13f3bd LP |
986 | bool unit_is_pristine(Unit *u); |
987 | ||
a3c1168a | 988 | bool unit_is_unneeded(Unit *u); |
0bc488c9 | 989 | bool unit_is_upheld_by_active(Unit *u, Unit **ret_culprit); |
56c59592 | 990 | bool unit_is_bound_by_inactive(Unit *u, Unit **ret_culprit); |
a3c1168a | 991 | |
291d565a LP |
992 | pid_t unit_control_pid(Unit *u); |
993 | pid_t unit_main_pid(Unit *u); | |
994 | ||
8b4305c7 | 995 | void unit_warn_if_dir_nonempty(Unit *u, const char* where); |
25cd4964 | 996 | int unit_fail_if_noncanonical(Unit *u, const char* where); |
8b4305c7 | 997 | |
97a3f4ee | 998 | int unit_test_start_limit(Unit *u); |
07299350 | 999 | |
00d9ef85 LP |
1000 | int unit_ref_uid_gid(Unit *u, uid_t uid, gid_t gid); |
1001 | void unit_unref_uid_gid(Unit *u, bool destroy_now); | |
1002 | ||
1003 | void unit_notify_user_lookup(Unit *u, uid_t uid, gid_t gid); | |
1004 | ||
2d3b784d | 1005 | int unit_set_invocation_id(Unit *u, sd_id128_t id); |
4b58153d LP |
1006 | int unit_acquire_invocation_id(Unit *u); |
1007 | ||
c891efaf FB |
1008 | bool unit_shall_confirm_spawn(Unit *u); |
1009 | ||
1ad6e8b3 | 1010 | int unit_set_exec_params(Unit *s, ExecParameters *p); |
f0d47797 | 1011 | |
4c253ed1 | 1012 | int unit_fork_helper_process(Unit *u, const char *name, pid_t *ret); |
810ef318 | 1013 | int unit_fork_and_watch_rm_rf(Unit *u, char **paths, pid_t *ret_pid); |
a79279c7 | 1014 | |
c999cf38 LP |
1015 | void unit_remove_dependencies(Unit *u, UnitDependencyMask mask); |
1016 | ||
d3070fbd LP |
1017 | void unit_export_state_files(Unit *u); |
1018 | void unit_unlink_state_files(Unit *u); | |
1019 | ||
3c7416b6 LP |
1020 | int unit_prepare_exec(Unit *u); |
1021 | ||
4c425434 LP |
1022 | int unit_log_leftover_process_start(pid_t pid, int sig, void *userdata); |
1023 | int unit_log_leftover_process_stop(pid_t pid, int sig, void *userdata); | |
1024 | int unit_warn_leftover_processes(Unit *u, cg_kill_log_func_t log_func); | |
a4634b21 | 1025 | |
bb2c7685 LP |
1026 | bool unit_needs_console(Unit *u); |
1027 | ||
6592b975 LP |
1028 | int unit_pid_attachable(Unit *unit, pid_t pid, sd_bus_error *error); |
1029 | ||
28a2dfe8 ZJS |
1030 | static inline bool unit_has_job_type(Unit *u, JobType type) { |
1031 | return u && u->job && u->job->type == type; | |
1032 | } | |
1033 | ||
c2503e35 RH |
1034 | static inline bool unit_log_level_test(const Unit *u, int level) { |
1035 | ExecContext *ec = unit_get_exec_context(u); | |
1036 | return !ec || ec->log_level_max < 0 || ec->log_level_max >= LOG_PRI(level); | |
1037 | } | |
1038 | ||
31cd5f63 AZ |
1039 | /* unit_log_skip is for cases like ExecCondition= where a unit is considered "done" |
1040 | * after some execution, rather than succeeded or failed. */ | |
1041 | void unit_log_skip(Unit *u, const char *result); | |
523ee2d4 | 1042 | void unit_log_success(Unit *u); |
7c047d74 | 1043 | void unit_log_failure(Unit *u, const char *result); |
aac99f30 ZJS |
1044 | static inline void unit_log_result(Unit *u, bool success, const char *result) { |
1045 | if (success) | |
1046 | unit_log_success(u); | |
1047 | else | |
1048 | unit_log_failure(u, result); | |
1049 | } | |
1050 | ||
5cc2cd1c | 1051 | void unit_log_process_exit(Unit *u, const char *kind, const char *command, bool success, int code, int status); |
7c047d74 | 1052 | |
7af67e9a LP |
1053 | int unit_exit_status(Unit *u); |
1054 | int unit_success_action_exit_status(Unit *u); | |
1055 | int unit_failure_action_exit_status(Unit *u); | |
1056 | ||
a4191c9f LP |
1057 | int unit_test_trigger_loaded(Unit *u); |
1058 | ||
bb0c0d6f | 1059 | void unit_destroy_runtime_data(Unit *u, const ExecContext *context); |
380dc8b0 LP |
1060 | int unit_clean(Unit *u, ExecCleanMask mask); |
1061 | int unit_can_clean(Unit *u, ExecCleanMask *ret_mask); | |
1062 | ||
d9e45bc3 MS |
1063 | bool unit_can_freeze(Unit *u); |
1064 | int unit_freeze(Unit *u); | |
1065 | void unit_frozen(Unit *u); | |
1066 | ||
1067 | int unit_thaw(Unit *u); | |
1068 | void unit_thawed(Unit *u); | |
1069 | ||
1070 | int unit_freeze_vtable_common(Unit *u); | |
1071 | int unit_thaw_vtable_common(Unit *u); | |
1072 | ||
6e548561 DDM |
1073 | Condition *unit_find_failed_condition(Unit *u); |
1074 | ||
e8e581bf ZJS |
1075 | /* Macros which append UNIT= or USER_UNIT= to the message */ |
1076 | ||
ac513634 | 1077 | #define log_unit_full_errno_zerook(unit, level, error, ...) \ |
f2341e0a | 1078 | ({ \ |
8dec4a9d | 1079 | const Unit *_u = (unit); \ |
c2503e35 | 1080 | const int _l = (level); \ |
1092e82b LB |
1081 | bool _do_log = !(log_get_max_level() < LOG_PRI(_l) || \ |
1082 | (_u && !unit_log_level_test(_u, _l))); \ | |
1083 | const ExecContext *_c = _do_log && _u ? \ | |
1084 | unit_get_exec_context(_u) : NULL; \ | |
1085 | LOG_CONTEXT_PUSH_IOV(_c ? _c->log_extra_fields : NULL, \ | |
1086 | _c ? _c->n_log_extra_fields : 0); \ | |
1087 | !_do_log ? -ERRNO_VALUE(error) : \ | |
c2503e35 RH |
1088 | _u ? log_object_internal(_l, error, PROJECT_FILE, __LINE__, __func__, _u->manager->unit_log_field, _u->id, _u->manager->invocation_log_field, _u->invocation_id_string, ##__VA_ARGS__) : \ |
1089 | log_internal(_l, error, PROJECT_FILE, __LINE__, __func__, ##__VA_ARGS__); \ | |
f2341e0a LP |
1090 | }) |
1091 | ||
ac513634 YW |
1092 | #define log_unit_full_errno(unit, level, error, ...) \ |
1093 | ({ \ | |
1094 | int _error = (error); \ | |
1095 | ASSERT_NON_ZERO(_error); \ | |
1096 | log_unit_full_errno_zerook(unit, level, _error, ##__VA_ARGS__); \ | |
1097 | }) | |
1098 | ||
1099 | #define log_unit_full(unit, level, ...) (void) log_unit_full_errno_zerook(unit, level, 0, __VA_ARGS__) | |
8ed6f81b | 1100 | |
ac513634 | 1101 | #define log_unit_debug(unit, ...) log_unit_full(unit, LOG_DEBUG, __VA_ARGS__) |
8ed6f81b YW |
1102 | #define log_unit_info(unit, ...) log_unit_full(unit, LOG_INFO, __VA_ARGS__) |
1103 | #define log_unit_notice(unit, ...) log_unit_full(unit, LOG_NOTICE, __VA_ARGS__) | |
1104 | #define log_unit_warning(unit, ...) log_unit_full(unit, LOG_WARNING, __VA_ARGS__) | |
1105 | #define log_unit_error(unit, ...) log_unit_full(unit, LOG_ERR, __VA_ARGS__) | |
1106 | ||
1107 | #define log_unit_debug_errno(unit, error, ...) log_unit_full_errno(unit, LOG_DEBUG, error, __VA_ARGS__) | |
1108 | #define log_unit_info_errno(unit, error, ...) log_unit_full_errno(unit, LOG_INFO, error, __VA_ARGS__) | |
1109 | #define log_unit_notice_errno(unit, error, ...) log_unit_full_errno(unit, LOG_NOTICE, error, __VA_ARGS__) | |
1110 | #define log_unit_warning_errno(unit, error, ...) log_unit_full_errno(unit, LOG_WARNING, error, __VA_ARGS__) | |
1111 | #define log_unit_error_errno(unit, error, ...) log_unit_full_errno(unit, LOG_ERR, error, __VA_ARGS__) | |
f2341e0a | 1112 | |
556b6f4e DDM |
1113 | #if LOG_TRACE |
1114 | # define log_unit_trace(...) log_unit_debug(__VA_ARGS__) | |
1115 | # define log_unit_trace_errno(...) log_unit_debug_errno(__VA_ARGS__) | |
1116 | #else | |
1117 | # define log_unit_trace(...) do {} while (0) | |
1118 | # define log_unit_trace_errno(e, ...) (-ERRNO_VALUE(e)) | |
1119 | #endif | |
1120 | ||
c2503e35 RH |
1121 | #define log_unit_struct_errno(unit, level, error, ...) \ |
1122 | ({ \ | |
1123 | const Unit *_u = (unit); \ | |
1124 | const int _l = (level); \ | |
1092e82b LB |
1125 | bool _do_log = unit_log_level_test(_u, _l); \ |
1126 | const ExecContext *_c = _do_log && _u ? \ | |
1127 | unit_get_exec_context(_u) : NULL; \ | |
1128 | LOG_CONTEXT_PUSH_IOV(_c ? _c->log_extra_fields : NULL, \ | |
1129 | _c ? _c->n_log_extra_fields : 0); \ | |
1130 | _do_log ? \ | |
c2503e35 RH |
1131 | log_struct_errno(_l, error, __VA_ARGS__, LOG_UNIT_ID(_u)) : \ |
1132 | -ERRNO_VALUE(error); \ | |
1133 | }) | |
1134 | ||
1135 | #define log_unit_struct(unit, level, ...) log_unit_struct_errno(unit, level, 0, __VA_ARGS__) | |
1136 | ||
1137 | #define log_unit_struct_iovec_errno(unit, level, error, iovec, n_iovec) \ | |
1138 | ({ \ | |
1092e82b | 1139 | const Unit *_u = (unit); \ |
c2503e35 | 1140 | const int _l = (level); \ |
1092e82b LB |
1141 | bool _do_log = unit_log_level_test(_u, _l); \ |
1142 | const ExecContext *_c = _do_log && _u ? \ | |
1143 | unit_get_exec_context(_u) : NULL; \ | |
1144 | LOG_CONTEXT_PUSH_IOV(_c ? _c->log_extra_fields : NULL, \ | |
1145 | _c ? _c->n_log_extra_fields : 0); \ | |
1146 | _do_log ? \ | |
c2503e35 RH |
1147 | log_struct_iovec_errno(_l, error, iovec, n_iovec) : \ |
1148 | -ERRNO_VALUE(error); \ | |
1149 | }) | |
1150 | ||
1151 | #define log_unit_struct_iovec(unit, level, iovec, n_iovec) log_unit_struct_iovec_errno(unit, level, 0, iovec, n_iovec) | |
1152 | ||
b9ce5cf9 ZJS |
1153 | /* Like LOG_MESSAGE(), but with the unit name prefixed. */ |
1154 | #define LOG_UNIT_MESSAGE(unit, fmt, ...) LOG_MESSAGE("%s: " fmt, (unit)->id, ##__VA_ARGS__) | |
f2341e0a | 1155 | #define LOG_UNIT_ID(unit) (unit)->manager->unit_log_format_string, (unit)->id |
f1c50bec | 1156 | #define LOG_UNIT_INVOCATION_ID(unit) (unit)->manager->invocation_log_format_string, (unit)->invocation_id_string |
5afe510c LP |
1157 | |
1158 | const char* collect_mode_to_string(CollectMode m) _const_; | |
1159 | CollectMode collect_mode_from_string(const char *s) _pure_; | |
15ed3c3a LP |
1160 | |
1161 | typedef struct UnitForEachDependencyData { | |
1162 | /* Stores state for the FOREACH macro below for iterating through all deps that have any of the | |
1163 | * specified dependency atom bits set */ | |
1164 | UnitDependencyAtom match_atom; | |
1165 | Hashmap *by_type, *by_unit; | |
1166 | void *current_type; | |
1167 | Iterator by_type_iterator, by_unit_iterator; | |
1168 | Unit **current_unit; | |
1169 | } UnitForEachDependencyData; | |
1170 | ||
1171 | /* Iterates through all dependencies that have a specific atom in the dependency type set. This tries to be | |
1172 | * smart: if the atom is unique, we'll directly go to right entry. Otherwise we'll iterate through the | |
1173 | * per-dependency type hashmap and match all dep that have the right atom set. */ | |
1174 | #define _UNIT_FOREACH_DEPENDENCY(other, u, ma, data) \ | |
1175 | for (UnitForEachDependencyData data = { \ | |
1176 | .match_atom = (ma), \ | |
1177 | .by_type = (u)->dependencies, \ | |
1178 | .by_type_iterator = ITERATOR_FIRST, \ | |
1179 | .current_unit = &(other), \ | |
1180 | }; \ | |
1181 | ({ \ | |
1182 | UnitDependency _dt = _UNIT_DEPENDENCY_INVALID; \ | |
1183 | bool _found; \ | |
1184 | \ | |
1185 | if (data.by_type && ITERATOR_IS_FIRST(data.by_type_iterator)) { \ | |
1186 | _dt = unit_dependency_from_unique_atom(data.match_atom); \ | |
1187 | if (_dt >= 0) { \ | |
1188 | data.by_unit = hashmap_get(data.by_type, UNIT_DEPENDENCY_TO_PTR(_dt)); \ | |
1189 | data.current_type = UNIT_DEPENDENCY_TO_PTR(_dt); \ | |
1190 | data.by_type = NULL; \ | |
1191 | _found = !!data.by_unit; \ | |
1192 | } \ | |
1193 | } \ | |
1194 | if (_dt < 0) \ | |
1195 | _found = hashmap_iterate(data.by_type, \ | |
1196 | &data.by_type_iterator, \ | |
1197 | (void**)&(data.by_unit), \ | |
1198 | (const void**) &(data.current_type)); \ | |
1199 | _found; \ | |
1200 | }); ) \ | |
1201 | if ((unit_dependency_to_atom(UNIT_DEPENDENCY_FROM_PTR(data.current_type)) & data.match_atom) != 0) \ | |
1202 | for (data.by_unit_iterator = ITERATOR_FIRST; \ | |
1203 | hashmap_iterate(data.by_unit, \ | |
1204 | &data.by_unit_iterator, \ | |
1205 | NULL, \ | |
1206 | (const void**) data.current_unit); ) | |
1207 | ||
1208 | /* Note: this matches deps that have *any* of the atoms specified in match_atom set */ | |
1209 | #define UNIT_FOREACH_DEPENDENCY(other, u, match_atom) \ | |
1210 | _UNIT_FOREACH_DEPENDENCY(other, u, match_atom, UNIQ_T(data, UNIQ)) | |
4b2af439 DDM |
1211 | |
1212 | #define _LOG_CONTEXT_PUSH_UNIT(unit, u, c) \ | |
1213 | const Unit *u = (unit); \ | |
1214 | const ExecContext *c = unit_get_exec_context(u); \ | |
1215 | LOG_CONTEXT_PUSH_KEY_VALUE(u->manager->unit_log_field, u->id); \ | |
1216 | LOG_CONTEXT_PUSH_KEY_VALUE(u->manager->invocation_log_field, u->invocation_id_string); \ | |
1217 | LOG_CONTEXT_PUSH_IOV(c ? c->log_extra_fields : NULL, c ? c->n_log_extra_fields : 0) | |
1218 | ||
1219 | #define LOG_CONTEXT_PUSH_UNIT(unit) \ | |
1220 | _LOG_CONTEXT_PUSH_UNIT(unit, UNIQ_T(u, UNIQ), UNIQ_T(c, UNIQ)) |