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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" |
e77e07f6 | 14 | #include "install.h" |
71d35b6b | 15 | #include "list.h" |
5bcf34eb | 16 | #include "show-status.h" |
fab34748 | 17 | #include "set.h" |
5cfa33e0 | 18 | #include "unit-file.h" |
6b659ed8 | 19 | #include "cgroup.h" |
87f0e418 | 20 | |
57b7a260 FS |
21 | typedef struct UnitRef UnitRef; |
22 | ||
db2cb23b UTL |
23 | typedef enum KillOperation { |
24 | KILL_TERMINATE, | |
1d98fef1 | 25 | KILL_TERMINATE_AND_LOG, |
a232ebcc | 26 | KILL_RESTART, |
db2cb23b | 27 | KILL_KILL, |
c87700a1 | 28 | KILL_WATCHDOG, |
4940c0b0 | 29 | _KILL_OPERATION_MAX, |
2d93c20e | 30 | _KILL_OPERATION_INVALID = -EINVAL, |
db2cb23b UTL |
31 | } KillOperation; |
32 | ||
5afe510c LP |
33 | typedef enum CollectMode { |
34 | COLLECT_INACTIVE, | |
35 | COLLECT_INACTIVE_OR_FAILED, | |
36 | _COLLECT_MODE_MAX, | |
2d93c20e | 37 | _COLLECT_MODE_INVALID = -EINVAL, |
5afe510c LP |
38 | } CollectMode; |
39 | ||
87f0e418 | 40 | static inline bool UNIT_IS_ACTIVE_OR_RELOADING(UnitActiveState t) { |
3742095b | 41 | return IN_SET(t, UNIT_ACTIVE, UNIT_RELOADING); |
87f0e418 LP |
42 | } |
43 | ||
44 | static inline bool UNIT_IS_ACTIVE_OR_ACTIVATING(UnitActiveState t) { | |
3742095b | 45 | return IN_SET(t, UNIT_ACTIVE, UNIT_ACTIVATING, UNIT_RELOADING); |
87f0e418 LP |
46 | } |
47 | ||
48 | static inline bool UNIT_IS_INACTIVE_OR_DEACTIVATING(UnitActiveState t) { | |
3742095b | 49 | return IN_SET(t, UNIT_INACTIVE, UNIT_FAILED, UNIT_DEACTIVATING); |
6124958c LP |
50 | } |
51 | ||
fdf20a31 | 52 | static inline bool UNIT_IS_INACTIVE_OR_FAILED(UnitActiveState t) { |
3742095b | 53 | return IN_SET(t, UNIT_INACTIVE, UNIT_FAILED); |
87f0e418 LP |
54 | } |
55 | ||
0377cd29 LP |
56 | static inline bool UNIT_IS_LOAD_COMPLETE(UnitLoadState t) { |
57 | return t >= 0 && t < _UNIT_LOAD_STATE_MAX && t != UNIT_STUB && t != UNIT_MERGED; | |
58 | } | |
59 | ||
eef85c4a LP |
60 | /* Stores the 'reason' a dependency was created as a bit mask, i.e. due to which configuration source it came to be. We |
61 | * use this so that we can selectively flush out parts of dependencies again. Note that the same dependency might be | |
62 | * created as a result of multiple "reasons", hence the bitmask. */ | |
63 | typedef enum UnitDependencyMask { | |
5238e957 | 64 | /* Configured directly by the unit file, .wants/.requires symlink or drop-in, or as an immediate result of a |
eef85c4a LP |
65 | * non-dependency option configured that way. */ |
66 | UNIT_DEPENDENCY_FILE = 1 << 0, | |
67 | ||
68 | /* As unconditional implicit dependency (not affected by unit configuration — except by the unit name and | |
69 | * type) */ | |
70 | UNIT_DEPENDENCY_IMPLICIT = 1 << 1, | |
71 | ||
72 | /* A dependency effected by DefaultDependencies=yes. Note that dependencies marked this way are conceptually | |
73 | * just a subset of UNIT_DEPENDENCY_FILE, as DefaultDependencies= is itself a unit file setting that can only | |
74 | * be set in unit files. We make this two separate bits only to help debugging how dependencies came to be. */ | |
75 | UNIT_DEPENDENCY_DEFAULT = 1 << 2, | |
76 | ||
77 | /* A dependency created from udev rules */ | |
78 | UNIT_DEPENDENCY_UDEV = 1 << 3, | |
79 | ||
80 | /* A dependency created because of some unit's RequiresMountsFor= setting */ | |
81 | UNIT_DEPENDENCY_PATH = 1 << 4, | |
82 | ||
87c734ee FB |
83 | /* A dependency initially configured from the mount unit file however the dependency will be updated |
84 | * from /proc/self/mountinfo as soon as the kernel will make the entry for that mount available in | |
85 | * the /proc file */ | |
86 | UNIT_DEPENDENCY_MOUNT_FILE = 1 << 5, | |
87 | ||
88 | /* A dependency created or updated because of data read from /proc/self/mountinfo */ | |
89 | UNIT_DEPENDENCY_MOUNTINFO = 1 << 6, | |
49267b1b | 90 | |
eef85c4a | 91 | /* A dependency created because of data read from /proc/swaps and no other configuration source */ |
87c734ee | 92 | UNIT_DEPENDENCY_PROC_SWAP = 1 << 7, |
eef85c4a | 93 | |
899acf5c | 94 | /* A dependency for units in slices assigned by directly setting Slice= */ |
87c734ee | 95 | UNIT_DEPENDENCY_SLICE_PROPERTY = 1 << 8, |
899acf5c | 96 | |
87c734ee | 97 | _UNIT_DEPENDENCY_MASK_FULL = (1 << 9) - 1, |
eef85c4a LP |
98 | } UnitDependencyMask; |
99 | ||
100 | /* The Unit's dependencies[] hashmaps use this structure as value. It has the same size as a void pointer, and thus can | |
101 | * be stored directly as hashmap value, without any indirection. Note that this stores two masks, as both the origin | |
102 | * and the destination of a dependency might have created it. */ | |
103 | typedef union UnitDependencyInfo { | |
104 | void *data; | |
105 | struct { | |
106 | UnitDependencyMask origin_mask:16; | |
107 | UnitDependencyMask destination_mask:16; | |
108 | } _packed_; | |
109 | } UnitDependencyInfo; | |
110 | ||
48b92b37 LB |
111 | /* Store information about why a unit was activated. |
112 | * We start with trigger units (.path/.timer), eventually it will be expanded to include more metadata. */ | |
113 | typedef struct ActivationDetails { | |
114 | unsigned n_ref; | |
115 | UnitType trigger_unit_type; | |
116 | char *trigger_unit_name; | |
117 | } ActivationDetails; | |
118 | ||
119 | /* For casting an activation event into the various unit-specific types */ | |
120 | #define DEFINE_ACTIVATION_DETAILS_CAST(UPPERCASE, MixedCase, UNIT_TYPE) \ | |
121 | static inline MixedCase* UPPERCASE(ActivationDetails *a) { \ | |
122 | if (_unlikely_(!a || a->trigger_unit_type != UNIT_##UNIT_TYPE)) \ | |
123 | return NULL; \ | |
124 | \ | |
125 | return (MixedCase*) a; \ | |
126 | } | |
127 | ||
128 | /* For casting the various unit types into a unit */ | |
129 | #define ACTIVATION_DETAILS(u) \ | |
130 | ({ \ | |
131 | typeof(u) _u_ = (u); \ | |
132 | ActivationDetails *_w_ = _u_ ? &(_u_)->meta : NULL; \ | |
133 | _w_; \ | |
134 | }) | |
135 | ||
136 | ActivationDetails *activation_details_new(Unit *trigger_unit); | |
137 | ActivationDetails *activation_details_ref(ActivationDetails *p); | |
138 | ActivationDetails *activation_details_unref(ActivationDetails *p); | |
139 | void activation_details_serialize(ActivationDetails *p, FILE *f); | |
140 | int activation_details_deserialize(const char *key, const char *value, ActivationDetails **info); | |
141 | int activation_details_append_env(ActivationDetails *info, char ***strv); | |
142 | int activation_details_append_pair(ActivationDetails *info, char ***strv); | |
143 | DEFINE_TRIVIAL_CLEANUP_FUNC(ActivationDetails*, activation_details_unref); | |
144 | ||
145 | typedef struct ActivationDetailsVTable { | |
146 | /* How much memory does an object of this activation type need */ | |
147 | size_t object_size; | |
148 | ||
149 | /* This should reset all type-specific variables. This should not allocate memory, and is called | |
150 | * with zero-initialized data. It should hence only initialize variables that need to be set != 0. */ | |
151 | void (*init)(ActivationDetails *info, Unit *trigger_unit); | |
152 | ||
153 | /* This should free all type-specific variables. It should be idempotent. */ | |
154 | void (*done)(ActivationDetails *info); | |
155 | ||
156 | /* This should serialize all type-specific variables. */ | |
157 | void (*serialize)(ActivationDetails *info, FILE *f); | |
158 | ||
159 | /* This should deserialize all type-specific variables, one at a time. */ | |
160 | int (*deserialize)(const char *key, const char *value, ActivationDetails **info); | |
161 | ||
162 | /* This should format the type-specific variables for the env block of the spawned service, | |
163 | * and return the number of added items. */ | |
164 | int (*append_env)(ActivationDetails *info, char ***strv); | |
165 | ||
166 | /* This should append type-specific variables as key/value pairs for the D-Bus property of the job, | |
167 | * and return the number of added pairs. */ | |
168 | int (*append_pair)(ActivationDetails *info, char ***strv); | |
169 | } ActivationDetailsVTable; | |
170 | ||
171 | extern const ActivationDetailsVTable * const activation_details_vtable[_UNIT_TYPE_MAX]; | |
172 | ||
173 | static inline const ActivationDetailsVTable* ACTIVATION_DETAILS_VTABLE(const ActivationDetails *a) { | |
174 | assert(a); | |
175 | assert(a->trigger_unit_type < _UNIT_TYPE_MAX); | |
176 | ||
177 | return activation_details_vtable[a->trigger_unit_type]; | |
178 | } | |
179 | ||
15ed3c3a LP |
180 | /* Newer LLVM versions don't like implicit casts from large pointer types to smaller enums, hence let's add |
181 | * explicit type-safe helpers for that. */ | |
182 | static inline UnitDependency UNIT_DEPENDENCY_FROM_PTR(const void *p) { | |
183 | return PTR_TO_INT(p); | |
184 | } | |
185 | ||
186 | static inline void* UNIT_DEPENDENCY_TO_PTR(UnitDependency d) { | |
187 | return INT_TO_PTR(d); | |
188 | } | |
189 | ||
ef734fd6 LP |
190 | #include "job.h" |
191 | ||
a016b922 LP |
192 | struct UnitRef { |
193 | /* Keeps tracks of references to a unit. This is useful so | |
194 | * that we can merge two units if necessary and correct all | |
195 | * references to them */ | |
196 | ||
7f7d01ed ZJS |
197 | Unit *source, *target; |
198 | LIST_FIELDS(UnitRef, refs_by_target); | |
a016b922 LP |
199 | }; |
200 | ||
57b7a260 | 201 | typedef struct Unit { |
87f0e418 | 202 | Manager *manager; |
23a177ef | 203 | |
87f0e418 LP |
204 | UnitType type; |
205 | UnitLoadState load_state; | |
23a177ef | 206 | Unit *merged_into; |
87f0e418 | 207 | |
4562c355 | 208 | char *id; /* The one special name that we use for identification */ |
9e2f7c11 | 209 | char *instance; |
87f0e418 | 210 | |
4562c355 | 211 | Set *aliases; /* All the other names. */ |
87f0e418 | 212 | |
15ed3c3a LP |
213 | /* For each dependency type we can look up another Hashmap with this, whose key is a Unit* object, |
214 | * and whose value encodes why the dependency exists, using the UnitDependencyInfo type. i.e. a | |
215 | * Hashmap(UnitDependency → Hashmap(Unit* → UnitDependencyInfo)) */ | |
216 | Hashmap *dependencies; | |
eef85c4a | 217 | |
15ed3c3a LP |
218 | /* Similar, for RequiresMountsFor= path dependencies. The key is the path, the value the |
219 | * UnitDependencyInfo type */ | |
eef85c4a | 220 | Hashmap *requires_mounts_for; |
7c8fa05c | 221 | |
87f0e418 | 222 | char *description; |
49dbfa7b | 223 | char **documentation; |
faf919f1 | 224 | |
23e9a7dd LP |
225 | /* The SELinux context used for checking access to this unit read off the unit file at load time (do |
226 | * not confuse with the selinux_context field in ExecContext which is the SELinux context we'll set | |
227 | * for processes) */ | |
228 | char *access_selinux_context; | |
229 | ||
6be1e7d5 | 230 | char *fragment_path; /* if loaded from a config file this is the primary path to it */ |
1b64d026 | 231 | char *source_path; /* if converted, the source file */ |
ae7a7182 | 232 | char **dropin_paths; |
f78f265f | 233 | |
c2911d48 | 234 | usec_t fragment_not_found_timestamp_hash; |
45fb0699 | 235 | usec_t fragment_mtime; |
1b64d026 | 236 | usec_t source_mtime; |
ae7a7182 | 237 | usec_t dropin_mtime; |
87f0e418 | 238 | |
4f4afc88 LP |
239 | /* If this is a transient unit we are currently writing, this is where we are writing it to */ |
240 | FILE *transient_file; | |
241 | ||
8c2524c7 | 242 | /* Freezer state */ |
af1e3365 | 243 | sd_bus_message *pending_freezer_invocation; |
8c2524c7 ZJS |
244 | FreezerState freezer_state; |
245 | ||
246 | /* Job timeout and action to take */ | |
247 | EmergencyAction job_timeout_action; | |
248 | usec_t job_timeout; | |
249 | usec_t job_running_timeout; | |
250 | char *job_timeout_reboot_arg; | |
251 | ||
e0209d83 | 252 | /* If there is something to do with this unit, then this is the installed job for it */ |
87f0e418 LP |
253 | Job *job; |
254 | ||
e0209d83 MS |
255 | /* JOB_NOP jobs are special and can be installed without disturbing the real job. */ |
256 | Job *nop_job; | |
257 | ||
bbc29086 DM |
258 | /* The slot used for watching NameOwnerChanged signals */ |
259 | sd_bus_slot *match_bus_slot; | |
a5a8776a | 260 | sd_bus_slot *get_name_owner_slot; |
bbc29086 | 261 | |
05a98afd LP |
262 | /* References to this unit from clients */ |
263 | sd_bus_track *bus_track; | |
264 | char **deserialized_refs; | |
265 | ||
57020a3a | 266 | /* References to this */ |
7f7d01ed | 267 | LIST_HEAD(UnitRef, refs_by_target); |
57020a3a | 268 | |
52661efd LP |
269 | /* Conditions to check */ |
270 | LIST_HEAD(Condition, conditions); | |
59fccdc5 | 271 | LIST_HEAD(Condition, asserts); |
52661efd | 272 | |
90bbc946 | 273 | dual_timestamp condition_timestamp; |
59fccdc5 | 274 | dual_timestamp assert_timestamp; |
90bbc946 | 275 | |
a483fb59 LP |
276 | /* Updated whenever the low-level state changes */ |
277 | dual_timestamp state_change_timestamp; | |
278 | ||
279 | /* Updated whenever the (high-level) active state enters or leaves the active or inactive states */ | |
63983207 LP |
280 | dual_timestamp inactive_exit_timestamp; |
281 | dual_timestamp active_enter_timestamp; | |
282 | dual_timestamp active_exit_timestamp; | |
283 | dual_timestamp inactive_enter_timestamp; | |
87f0e418 | 284 | |
ef734fd6 | 285 | /* Per type list */ |
ac155bb8 | 286 | LIST_FIELDS(Unit, units_by_type); |
c1e1601e | 287 | |
701cc384 | 288 | /* Load queue */ |
ac155bb8 | 289 | LIST_FIELDS(Unit, load_queue); |
701cc384 | 290 | |
c1e1601e | 291 | /* D-Bus queue */ |
ac155bb8 | 292 | LIST_FIELDS(Unit, dbus_queue); |
23a177ef LP |
293 | |
294 | /* Cleanup queue */ | |
ac155bb8 | 295 | LIST_FIELDS(Unit, cleanup_queue); |
9d58f1db | 296 | |
701cc384 | 297 | /* GC queue */ |
ac155bb8 | 298 | LIST_FIELDS(Unit, gc_queue); |
701cc384 | 299 | |
4ad49000 | 300 | /* CGroup realize members queue */ |
91a6073e | 301 | LIST_FIELDS(Unit, cgroup_realize_queue); |
4ad49000 | 302 | |
09e24654 LP |
303 | /* cgroup empty queue */ |
304 | LIST_FIELDS(Unit, cgroup_empty_queue); | |
305 | ||
afcfaa69 LP |
306 | /* cgroup OOM queue */ |
307 | LIST_FIELDS(Unit, cgroup_oom_queue); | |
308 | ||
19496554 MS |
309 | /* Target dependencies queue */ |
310 | LIST_FIELDS(Unit, target_deps_queue); | |
311 | ||
0bc488c9 | 312 | /* Queue of units with StopWhenUnneeded= set that shall be checked for clean-up. */ |
a3c1168a LP |
313 | LIST_FIELDS(Unit, stop_when_unneeded_queue); |
314 | ||
0bc488c9 LP |
315 | /* Queue of units that have an Uphold= dependency from some other unit, and should be checked for starting */ |
316 | LIST_FIELDS(Unit, start_when_upheld_queue); | |
317 | ||
56c59592 LP |
318 | /* Queue of units that have a BindTo= dependency on some other unit, and should possibly be shut down */ |
319 | LIST_FIELDS(Unit, stop_when_bound_queue); | |
320 | ||
6ac62d61 LP |
321 | /* Queue of units that should be checked if they can release resources now */ |
322 | LIST_FIELDS(Unit, release_resources_queue); | |
323 | ||
a911bb9a LP |
324 | /* PIDs we keep an eye on. Note that a unit might have many |
325 | * more, but these are the ones we care enough about to | |
326 | * process SIGCHLD for */ | |
327 | Set *pids; | |
328 | ||
62a76913 LP |
329 | /* Used in SIGCHLD and sd_notify() message event invocation logic to avoid that we dispatch the same event |
330 | * multiple times on the same unit. */ | |
331 | unsigned sigchldgen; | |
332 | unsigned notifygen; | |
36f20ae3 | 333 | |
701cc384 | 334 | /* Used during GC sweeps */ |
eced69b3 | 335 | unsigned gc_marker; |
701cc384 | 336 | |
8821a00f LP |
337 | /* Error code when we didn't manage to load the unit (negative) */ |
338 | int load_error; | |
339 | ||
6bf0f408 | 340 | /* Put a ratelimit on unit starting */ |
7bf081a1 | 341 | RateLimit start_ratelimit; |
87a47f99 | 342 | EmergencyAction start_limit_action; |
53c35a76 | 343 | |
ff68472a ZJS |
344 | /* The unit has been marked for reload, restart, etc. Stored as 1u << marker1 | 1u << marker2. */ |
345 | unsigned markers; | |
346 | ||
7af67e9a LP |
347 | /* What to do on failure or success */ |
348 | EmergencyAction success_action, failure_action; | |
349 | int success_action_exit_status, failure_action_exit_status; | |
6bf0f408 LP |
350 | char *reboot_arg; |
351 | ||
0bc488c9 LP |
352 | /* Make sure we never enter endless loops with the StopWhenUnneeded=, BindsTo=, Uphold= logic */ |
353 | RateLimit auto_start_stop_ratelimit; | |
7223d500 | 354 | sd_event_source *auto_start_stop_event_source; |
bea355da | 355 | |
00d9ef85 LP |
356 | /* Reference to a specific UID/GID */ |
357 | uid_t ref_uid; | |
358 | gid_t ref_gid; | |
359 | ||
d2dc52db | 360 | /* Cached unit file state and preset */ |
a4375746 | 361 | UnitFileState unit_file_state; |
e77e07f6 | 362 | PresetAction unit_file_preset; |
a4375746 | 363 | |
66ebf6c0 TH |
364 | /* Where the cpu.stat or cpuacct.usage was at the time the unit was started */ |
365 | nsec_t cpu_usage_base; | |
fe700f46 | 366 | nsec_t cpu_usage_last; /* the most recently read value */ |
5ad096b3 | 367 | |
38c41427 | 368 | /* The current counter of OOM kills initiated by systemd-oomd */ |
fe8d22fb AZ |
369 | uint64_t managed_oom_kill_last; |
370 | ||
371 | /* The current counter of the oom_kill field in the memory.events cgroup attribute */ | |
afcfaa69 LP |
372 | uint64_t oom_kill_last; |
373 | ||
fbe14fc9 LP |
374 | /* Where the io.stat data was at the time the unit was started */ |
375 | uint64_t io_accounting_base[_CGROUP_IO_ACCOUNTING_METRIC_MAX]; | |
376 | uint64_t io_accounting_last[_CGROUP_IO_ACCOUNTING_METRIC_MAX]; /* the most recently read value */ | |
377 | ||
7c52a17b ZJS |
378 | /* Counterparts in the cgroup filesystem */ |
379 | char *cgroup_path; | |
184b4f78 | 380 | uint64_t cgroup_id; |
4e1dfa45 CD |
381 | CGroupMask cgroup_realized_mask; /* In which hierarchies does this unit's cgroup exist? (only relevant on cgroup v1) */ |
382 | 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 | 383 | CGroupMask cgroup_invalidated_mask; /* A mask specifying controllers which shall be considered invalidated, and require re-realization */ |
5a62e5e2 | 384 | CGroupMask cgroup_members_mask; /* A cache for the controllers required by all children of this cgroup (only relevant for slice units) */ |
afcfaa69 LP |
385 | |
386 | /* Inotify watch descriptors for watching cgroup.events and memory.events on cgroupv2 */ | |
0bb814c2 | 387 | int cgroup_control_inotify_wd; |
afcfaa69 | 388 | int cgroup_memory_inotify_wd; |
7c52a17b | 389 | |
084c7007 RG |
390 | /* Device Controller BPF program */ |
391 | BPFProgram *bpf_device_control_installed; | |
392 | ||
6a48d82f DM |
393 | /* IP BPF Firewalling/accounting */ |
394 | int ip_accounting_ingress_map_fd; | |
395 | int ip_accounting_egress_map_fd; | |
0fd9c28c | 396 | uint64_t ip_accounting_extra[_CGROUP_IP_ACCOUNTING_METRIC_MAX]; |
6a48d82f DM |
397 | |
398 | int ipv4_allow_map_fd; | |
399 | int ipv6_allow_map_fd; | |
400 | int ipv4_deny_map_fd; | |
401 | int ipv6_deny_map_fd; | |
aa2b6f1d LP |
402 | BPFProgram *ip_bpf_ingress, *ip_bpf_ingress_installed; |
403 | BPFProgram *ip_bpf_egress, *ip_bpf_egress_installed; | |
0fd9c28c | 404 | |
fab34748 KL |
405 | Set *ip_bpf_custom_ingress; |
406 | Set *ip_bpf_custom_ingress_installed; | |
407 | Set *ip_bpf_custom_egress; | |
408 | Set *ip_bpf_custom_egress_installed; | |
6a48d82f | 409 | |
5f8ba20d JK |
410 | /* BPF programs managed (e.g. loaded to kernel) by an entity external to systemd, |
411 | * attached to unit cgroup by provided program fd and attach type. */ | |
412 | Hashmap *bpf_foreign_by_key; | |
413 | ||
3d027d4d | 414 | FDSet *initial_socket_bind_link_fds; |
91ce91c7 JK |
415 | #if BPF_FRAMEWORK |
416 | /* BPF links to BPF programs attached to cgroup/bind{4|6} hooks and | |
417 | * responsible for allowing or denying a unit to bind(2) to a socket | |
418 | * address. */ | |
419 | struct bpf_link *ipv4_socket_bind_link; | |
420 | struct bpf_link *ipv6_socket_bind_link; | |
421 | #endif | |
422 | ||
6f50d4f7 MV |
423 | FDSet *initial_restric_ifaces_link_fds; |
424 | #if BPF_FRAMEWORK | |
425 | struct bpf_link *restrict_ifaces_ingress_bpf_link; | |
426 | struct bpf_link *restrict_ifaces_egress_bpf_link; | |
427 | #endif | |
428 | ||
50be4f4a LP |
429 | /* Low-priority event source which is used to remove watched PIDs that have gone away, and subscribe to any new |
430 | * ones which might have appeared. */ | |
431 | sd_event_source *rewatch_pids_event_source; | |
432 | ||
294446dc LP |
433 | /* How to start OnSuccess=/OnFailure= units */ |
434 | JobMode on_success_job_mode; | |
7c52a17b ZJS |
435 | JobMode on_failure_job_mode; |
436 | ||
48b92b37 LB |
437 | /* If the job had a specific trigger that needs to be advertised (eg: a path unit), store it. */ |
438 | ActivationDetails *activation_details; | |
439 | ||
5afe510c LP |
440 | /* Tweaking the GC logic */ |
441 | CollectMode collect_mode; | |
442 | ||
4b58153d LP |
443 | /* The current invocation ID */ |
444 | sd_id128_t invocation_id; | |
445 | char invocation_id_string[SD_ID128_STRING_MAX]; /* useful when logging */ | |
446 | ||
9d58f1db LP |
447 | /* Garbage collect us we nobody wants or requires us anymore */ |
448 | bool stop_when_unneeded; | |
449 | ||
35b8ca3a | 450 | /* Create default dependencies */ |
a40eb732 LP |
451 | bool default_dependencies; |
452 | ||
b5e9dba8 LP |
453 | /* Refuse manual starting, allow starting only indirectly via dependency. */ |
454 | bool refuse_manual_start; | |
455 | ||
456 | /* Don't allow the user to stop this unit manually, allow stopping only indirectly via dependency. */ | |
457 | bool refuse_manual_stop; | |
458 | ||
2528a7a6 LP |
459 | /* Allow isolation requests */ |
460 | bool allow_isolate; | |
461 | ||
c8f4d764 LP |
462 | /* Ignore this unit when isolating */ |
463 | bool ignore_on_isolate; | |
464 | ||
49f43d5f | 465 | /* Did the last condition check succeed? */ |
90bbc946 | 466 | bool condition_result; |
59fccdc5 | 467 | bool assert_result; |
90bbc946 | 468 | |
c2756a68 LP |
469 | /* Is this a transient unit? */ |
470 | bool transient; | |
471 | ||
f5869324 LP |
472 | /* Is this a unit that is always running and cannot be stopped? */ |
473 | bool perpetual; | |
474 | ||
66fa4bdd | 475 | /* Booleans indicating membership of this unit in the various queues */ |
9d58f1db LP |
476 | bool in_load_queue:1; |
477 | bool in_dbus_queue:1; | |
478 | bool in_cleanup_queue:1; | |
701cc384 | 479 | bool in_gc_queue:1; |
91a6073e | 480 | bool in_cgroup_realize_queue:1; |
09e24654 | 481 | bool in_cgroup_empty_queue:1; |
afcfaa69 | 482 | bool in_cgroup_oom_queue:1; |
19496554 | 483 | bool in_target_deps_queue:1; |
a3c1168a | 484 | bool in_stop_when_unneeded_queue:1; |
0bc488c9 | 485 | bool in_start_when_upheld_queue:1; |
56c59592 | 486 | bool in_stop_when_bound_queue:1; |
6ac62d61 | 487 | bool in_release_resources_queue:1; |
701cc384 | 488 | |
9d58f1db | 489 | bool sent_dbus_new_signal:1; |
6c073082 | 490 | |
8c2524c7 ZJS |
491 | bool job_running_timeout_set:1; |
492 | ||
cd6d0a45 | 493 | bool in_audit:1; |
adefcf28 | 494 | bool on_console:1; |
a57f7e2c LP |
495 | |
496 | bool cgroup_realized:1; | |
bc432dc7 | 497 | bool cgroup_members_mask_valid:1; |
f78f265f | 498 | |
3c7416b6 LP |
499 | /* Reset cgroup accounting next time we fork something off */ |
500 | bool reset_accounting:1; | |
501 | ||
6bf0f408 LP |
502 | bool start_limit_hit:1; |
503 | ||
f78f265f | 504 | /* Did we already invoke unit_coldplug() for this unit? */ |
f8a30ce5 | 505 | bool coldplugged:1; |
05a98afd LP |
506 | |
507 | /* For transient units: whether to add a bus track reference after creating the unit */ | |
508 | bool bus_track_add:1; | |
d3070fbd LP |
509 | |
510 | /* Remember which unit state files we created */ | |
511 | bool exported_invocation_id:1; | |
512 | bool exported_log_level_max:1; | |
513 | bool exported_log_extra_fields:1; | |
5ac1530e ZJS |
514 | bool exported_log_ratelimit_interval:1; |
515 | bool exported_log_ratelimit_burst:1; | |
2e59b241 | 516 | |
527ede0c FB |
517 | /* Whether we warned about clamping the CPU quota period */ |
518 | bool warned_clamping_cpu_quota_period:1; | |
519 | ||
2e59b241 LP |
520 | /* When writing transient unit files, stores which section we stored last. If < 0, we didn't write any yet. If |
521 | * == 0 we are in the [Unit] section, if > 0 we are in the unit type-specific section. */ | |
845d247a | 522 | signed int last_section_private:2; |
57b7a260 | 523 | } Unit; |
87f0e418 | 524 | |
57b7a260 | 525 | typedef struct UnitStatusMessageFormats { |
c6918296 MS |
526 | const char *starting_stopping[2]; |
527 | const char *finished_start_job[_JOB_RESULT_MAX]; | |
528 | const char *finished_stop_job[_JOB_RESULT_MAX]; | |
eda0cbf0 ZJS |
529 | /* If this entry is present, it'll be called to provide a context-dependent format string, |
530 | * or NULL to fall back to finished_{start,stop}_job; if those are NULL too, fall back to generic. */ | |
531 | const char *(*finished_job)(Unit *u, JobType t, JobResult result); | |
57b7a260 | 532 | } UnitStatusMessageFormats; |
c6918296 | 533 | |
2e59b241 LP |
534 | /* Flags used when writing drop-in files or transient unit files */ |
535 | typedef enum UnitWriteFlags { | |
536 | /* Write a runtime unit file or drop-in (i.e. one below /run) */ | |
f3af6290 | 537 | UNIT_RUNTIME = 1 << 0, |
2e59b241 LP |
538 | |
539 | /* Write a persistent drop-in (i.e. one below /etc) */ | |
f3af6290 | 540 | UNIT_PERSISTENT = 1 << 1, |
2e59b241 LP |
541 | |
542 | /* Place this item in the per-unit-type private section, instead of [Unit] */ | |
f3af6290 | 543 | UNIT_PRIVATE = 1 << 2, |
2e59b241 | 544 | |
f3af6290 ZJS |
545 | /* Apply specifier escaping */ |
546 | UNIT_ESCAPE_SPECIFIERS = 1 << 3, | |
24536beb | 547 | |
f3af6290 ZJS |
548 | /* Escape elements of ExecStart= syntax, incl. prevention of variable expansion */ |
549 | UNIT_ESCAPE_EXEC_SYNTAX_ENV = 1 << 4, | |
2e59b241 | 550 | |
8c41640a ZJS |
551 | /* Escape elements of ExecStart=: syntax (no variable expansion) */ |
552 | UNIT_ESCAPE_EXEC_SYNTAX = 1 << 5, | |
2e59b241 LP |
553 | |
554 | /* Apply C escaping before writing */ | |
8c41640a | 555 | UNIT_ESCAPE_C = 1 << 6, |
2e59b241 LP |
556 | } UnitWriteFlags; |
557 | ||
558 | /* Returns true if neither persistent, nor runtime storage is requested, i.e. this is a check invocation only */ | |
6529ccfa LP |
559 | static inline bool UNIT_WRITE_FLAGS_NOOP(UnitWriteFlags flags) { |
560 | return (flags & (UNIT_RUNTIME|UNIT_PERSISTENT)) == 0; | |
561 | } | |
8e2af478 | 562 | |
57b7a260 FS |
563 | #include "kill.h" |
564 | ||
565 | typedef struct UnitVTable { | |
7d17cfbc MS |
566 | /* How much memory does an object of this unit type need */ |
567 | size_t object_size; | |
568 | ||
3ef63c31 LP |
569 | /* If greater than 0, the offset into the object where |
570 | * ExecContext is found, if the unit type has that */ | |
571 | size_t exec_context_offset; | |
572 | ||
4ad49000 LP |
573 | /* If greater than 0, the offset into the object where |
574 | * CGroupContext is found, if the unit type has that */ | |
575 | size_t cgroup_context_offset; | |
576 | ||
718db961 LP |
577 | /* If greater than 0, the offset into the object where |
578 | * KillContext is found, if the unit type has that */ | |
579 | size_t kill_context_offset; | |
580 | ||
613b411c | 581 | /* If greater than 0, the offset into the object where the |
e76506b7 | 582 | * pointer to ExecSharedRuntime is found, if the unit type has |
613b411c LP |
583 | * that */ |
584 | size_t exec_runtime_offset; | |
585 | ||
ee33e53a | 586 | /* The name of the configuration file section with the private settings of this unit */ |
4ad49000 | 587 | const char *private_section; |
71645aca | 588 | |
f975e971 LP |
589 | /* Config file sections this unit type understands, separated |
590 | * by NUL chars */ | |
591 | const char *sections; | |
592 | ||
e537352b | 593 | /* This should reset all type-specific variables. This should |
a16e1123 LP |
594 | * not allocate memory, and is called with zero-initialized |
595 | * data. It should hence only initialize variables that need | |
596 | * to be set != 0. */ | |
e537352b LP |
597 | void (*init)(Unit *u); |
598 | ||
a16e1123 LP |
599 | /* This should free all type-specific variables. It should be |
600 | * idempotent. */ | |
601 | void (*done)(Unit *u); | |
602 | ||
e537352b LP |
603 | /* Actually load data from disk. This may fail, and should set |
604 | * load_state to UNIT_LOADED, UNIT_MERGED or leave it at | |
605 | * UNIT_STUB if no configuration could be found. */ | |
606 | int (*load)(Unit *u); | |
607 | ||
f0831ed2 | 608 | /* During deserialization we only record the intended state to return to. With coldplug() we actually put the |
a95c0505 LP |
609 | * deserialized state in effect. This is where unit_notify() should be called to start things up. Note that |
610 | * this callback is invoked *before* we leave the reloading state of the manager, i.e. *before* we consider the | |
611 | * reloading to be complete. Thus, this callback should just restore the exact same state for any unit that was | |
612 | * in effect before the reload, i.e. units should not catch up with changes happened during the reload. That's | |
613 | * what catchup() below is for. */ | |
be847e82 | 614 | int (*coldplug)(Unit *u); |
87f0e418 | 615 | |
a95c0505 LP |
616 | /* This is called shortly after all units' coldplug() call was invoked, and *after* the manager left the |
617 | * reloading state. It's supposed to catch up with state changes due to external events we missed so far (for | |
618 | * example because they took place while we were reloading/reexecing) */ | |
f0831ed2 LP |
619 | void (*catchup)(Unit *u); |
620 | ||
87f0e418 LP |
621 | void (*dump)(Unit *u, FILE *f, const char *prefix); |
622 | ||
623 | int (*start)(Unit *u); | |
624 | int (*stop)(Unit *u); | |
625 | int (*reload)(Unit *u); | |
626 | ||
a721cd00 | 627 | int (*kill)(Unit *u, KillWho w, int signo, int code, int value, sd_bus_error *error); |
8a0867d6 | 628 | |
380dc8b0 LP |
629 | /* Clear out the various runtime/state/cache/logs/configuration data */ |
630 | int (*clean)(Unit *u, ExecCleanMask m); | |
631 | ||
d9e45bc3 MS |
632 | /* Freeze the unit */ |
633 | int (*freeze)(Unit *u); | |
634 | int (*thaw)(Unit *u); | |
635 | bool (*can_freeze)(Unit *u); | |
636 | ||
380dc8b0 LP |
637 | /* Return which kind of data can be cleaned */ |
638 | int (*can_clean)(Unit *u, ExecCleanMask *ret); | |
639 | ||
87f0e418 LP |
640 | bool (*can_reload)(Unit *u); |
641 | ||
1ece068e ZJS |
642 | /* Serialize state and file descriptors that should be carried over into the new |
643 | * instance after reexecution. */ | |
a16e1123 LP |
644 | int (*serialize)(Unit *u, FILE *f, FDSet *fds); |
645 | ||
646 | /* Restore one item from the serialization */ | |
647 | int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds); | |
648 | ||
01e10de3 | 649 | /* Try to match up fds with what we need for this unit */ |
9ff1a6f1 | 650 | void (*distribute_fds)(Unit *u, FDSet *fds); |
01e10de3 | 651 | |
87f0e418 LP |
652 | /* Boils down the more complex internal state of this unit to |
653 | * a simpler one that the engine can understand */ | |
654 | UnitActiveState (*active_state)(Unit *u); | |
655 | ||
10a94420 LP |
656 | /* Returns the substate specific to this unit type as |
657 | * string. This is purely information so that we can give the | |
35b8ca3a | 658 | * user a more fine grained explanation in which actual state a |
10a94420 LP |
659 | * unit is in. */ |
660 | const char* (*sub_state_to_string)(Unit *u); | |
661 | ||
deb4e708 MK |
662 | /* Additionally to UnitActiveState determine whether unit is to be restarted. */ |
663 | bool (*will_restart)(Unit *u); | |
664 | ||
f2f725e5 ZJS |
665 | /* Return false when there is a reason to prevent this unit from being gc'ed |
666 | * even though nothing references it and it isn't active in any way. */ | |
667 | bool (*may_gc)(Unit *u); | |
701cc384 | 668 | |
39c79477 ZJS |
669 | /* Return true when the unit is not controlled by the manager (e.g. extrinsic mounts). */ |
670 | bool (*is_extrinsic)(Unit *u); | |
671 | ||
7eb2a8a1 LP |
672 | /* When the unit is not running and no job for it queued we shall release its runtime resources */ |
673 | void (*release_resources)(Unit *u); | |
a354329f | 674 | |
718db961 | 675 | /* Invoked on every child that died */ |
87f0e418 | 676 | void (*sigchld_event)(Unit *u, pid_t pid, int code, int status); |
7824bbeb | 677 | |
fdf20a31 MM |
678 | /* Reset failed state if we are in failed state */ |
679 | void (*reset_failed)(Unit *u); | |
5632e374 | 680 | |
afcfaa69 | 681 | /* Called whenever any of the cgroups this unit watches for ran empty */ |
4ad49000 | 682 | void (*notify_cgroup_empty)(Unit *u); |
8e274523 | 683 | |
afcfaa69 | 684 | /* Called whenever an OOM kill event on this unit was seen */ |
38c41427 | 685 | void (*notify_cgroup_oom)(Unit *u, bool managed_oom); |
afcfaa69 | 686 | |
8c47c732 | 687 | /* Called whenever a process of this unit sends us a message */ |
fcee2755 | 688 | void (*notify_message)(Unit *u, const struct ucred *ucred, char * const *tags, FDSet *fds); |
8c47c732 | 689 | |
00d9ef85 | 690 | /* Called whenever a name this Unit registered for comes or goes away. */ |
fc67a943 | 691 | void (*bus_name_owner_change)(Unit *u, const char *new_owner); |
05e343b7 | 692 | |
8e2af478 | 693 | /* Called for each property that is being set */ |
2e59b241 | 694 | int (*bus_set_property)(Unit *u, const char *name, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); |
8e2af478 LP |
695 | |
696 | /* Called after at least one property got changed to apply the necessary change */ | |
697 | int (*bus_commit_properties)(Unit *u); | |
698 | ||
a7f241db LP |
699 | /* Return the unit this unit is following */ |
700 | Unit *(*following)(Unit *u); | |
701 | ||
6210e7fc LP |
702 | /* Return the set of units that are following each other */ |
703 | int (*following_set)(Unit *u, Set **s); | |
704 | ||
3ecaa09b LP |
705 | /* Invoked each time a unit this unit is triggering changes |
706 | * state or gains/loses a job */ | |
707 | void (*trigger_notify)(Unit *u, Unit *trigger); | |
708 | ||
8742514c LP |
709 | /* Called whenever CLOCK_REALTIME made a jump */ |
710 | void (*time_change)(Unit *u); | |
711 | ||
bbf5fd8e LP |
712 | /* Called whenever /etc/localtime was modified */ |
713 | void (*timezone_change)(Unit *u); | |
714 | ||
7a7821c8 LP |
715 | /* Returns the next timeout of a unit */ |
716 | int (*get_timeout)(Unit *u, usec_t *timeout); | |
68db7a3b | 717 | |
f5a9d2ee | 718 | /* Returns the start timeout of a unit */ |
719 | usec_t (*get_timeout_start_usec)(Unit *u); | |
720 | ||
291d565a LP |
721 | /* Returns the main PID if there is any defined, or 0. */ |
722 | pid_t (*main_pid)(Unit *u); | |
723 | ||
724 | /* Returns the main PID if there is any defined, or 0. */ | |
725 | pid_t (*control_pid)(Unit *u); | |
726 | ||
bb2c7685 LP |
727 | /* Returns true if the unit currently needs access to the console */ |
728 | bool (*needs_console)(Unit *u); | |
729 | ||
7af67e9a LP |
730 | /* Returns the exit status to propagate in case of FailureAction=exit/SuccessAction=exit; usually returns the |
731 | * exit code of the "main" process of the service or similar. */ | |
732 | int (*exit_status)(Unit *u); | |
733 | ||
5e1669ff ZJS |
734 | /* Return a copy of the status string pointer. */ |
735 | const char* (*status_text)(Unit *u); | |
736 | ||
04eb582a LP |
737 | /* Like the enumerate() callback further down, but only enumerates the perpetual units, i.e. all units that |
738 | * unconditionally exist and are always active. The main reason to keep both enumeration functions separate is | |
739 | * philosophical: the state of perpetual units should be put in place by coldplug(), while the state of those | |
740 | * discovered through regular enumeration should be put in place by catchup(), see below. */ | |
741 | void (*enumerate_perpetual)(Manager *m); | |
742 | ||
f0831ed2 LP |
743 | /* This is called for each unit type and should be used to enumerate units already existing in the system |
744 | * internally and load them. However, everything that is loaded here should still stay in inactive state. It is | |
04eb582a | 745 | * the job of the catchup() call above to put the units into the discovered state. */ |
ba64af90 | 746 | void (*enumerate)(Manager *m); |
f50e0a01 LP |
747 | |
748 | /* Type specific cleanups. */ | |
7824bbeb | 749 | void (*shutdown)(Manager *m); |
9d58f1db | 750 | |
cbd4a8df | 751 | /* If this function is set and returns false all jobs for units |
0faacd47 | 752 | * of this type will immediately fail. */ |
1c2e9646 | 753 | bool (*supported)(void); |
0faacd47 | 754 | |
9727f242 DDM |
755 | /* If this function is set, it's invoked first as part of starting a unit to allow start rate |
756 | * limiting checks to occur before we do anything else. */ | |
705578c3 | 757 | int (*can_start)(Unit *u); |
9727f242 | 758 | |
718db961 | 759 | /* The strings to print in status messages */ |
c6918296 MS |
760 | UnitStatusMessageFormats status_message_formats; |
761 | ||
c2756a68 | 762 | /* True if transient units of this type are OK */ |
cbd4a8df | 763 | bool can_transient; |
c5a97ed1 | 764 | |
1d9cc876 | 765 | /* True if cgroup delegation is permissible */ |
cbd4a8df | 766 | bool can_delegate; |
1d9cc876 | 767 | |
c80a9a33 | 768 | /* True if the unit type triggers other units, i.e. can have a UNIT_TRIGGERS dependency */ |
cbd4a8df | 769 | bool can_trigger; |
c80a9a33 LP |
770 | |
771 | /* True if the unit type knows a failure state, and thus can be source of an OnFailure= dependency */ | |
cbd4a8df | 772 | bool can_fail; |
c80a9a33 | 773 | |
d4fd1cf2 | 774 | /* True if units of this type shall be startable only once and then never again */ |
cbd4a8df | 775 | bool once_only; |
d4fd1cf2 | 776 | |
755021d4 ZJS |
777 | /* Do not serialize this unit when preparing for root switch */ |
778 | bool exclude_from_switch_root_serialization; | |
779 | ||
c5a97ed1 | 780 | /* True if queued jobs of this type should be GC'ed if no other job needs them anymore */ |
cbd4a8df | 781 | bool gc_jobs; |
4d824a4e | 782 | |
0923b425 | 783 | /* True if systemd-oomd can monitor and act on this unit's recursive children's cgroups */ |
cbd4a8df | 784 | bool can_set_managed_oom; |
57b7a260 | 785 | } UnitVTable; |
87f0e418 LP |
786 | |
787 | extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX]; | |
788 | ||
c2503e35 | 789 | static inline const UnitVTable* UNIT_VTABLE(const Unit *u) { |
6529ccfa LP |
790 | return unit_vtable[u->type]; |
791 | } | |
87f0e418 LP |
792 | |
793 | /* For casting a unit into the various unit types */ | |
794 | #define DEFINE_CAST(UPPERCASE, MixedCase) \ | |
795 | static inline MixedCase* UPPERCASE(Unit *u) { \ | |
ac155bb8 | 796 | if (_unlikely_(!u || u->type != UNIT_##UPPERCASE)) \ |
87f0e418 LP |
797 | return NULL; \ |
798 | \ | |
799 | return (MixedCase*) u; \ | |
800 | } | |
801 | ||
802 | /* For casting the various unit types into a unit */ | |
bbf11206 LP |
803 | #define UNIT(u) \ |
804 | ({ \ | |
805 | typeof(u) _u_ = (u); \ | |
806 | Unit *_w_ = _u_ ? &(_u_)->meta : NULL; \ | |
807 | _w_; \ | |
808 | }) | |
87f0e418 | 809 | |
35b7ff80 LP |
810 | #define UNIT_HAS_EXEC_CONTEXT(u) (UNIT_VTABLE(u)->exec_context_offset > 0) |
811 | #define UNIT_HAS_CGROUP_CONTEXT(u) (UNIT_VTABLE(u)->cgroup_context_offset > 0) | |
812 | #define UNIT_HAS_KILL_CONTEXT(u) (UNIT_VTABLE(u)->kill_context_offset > 0) | |
813 | ||
15ed3c3a LP |
814 | Unit* unit_has_dependency(const Unit *u, UnitDependencyAtom atom, Unit *other); |
815 | int unit_get_dependency_array(const Unit *u, UnitDependencyAtom atom, Unit ***ret_array); | |
83123a44 | 816 | int unit_get_transitive_dependency_set(Unit *u, UnitDependencyAtom atom, Set **ret); |
15ed3c3a LP |
817 | |
818 | static inline Hashmap* unit_get_dependencies(Unit *u, UnitDependency d) { | |
819 | return hashmap_get(u->dependencies, UNIT_DEPENDENCY_TO_PTR(d)); | |
820 | } | |
821 | ||
6529ccfa | 822 | static inline Unit* UNIT_TRIGGER(Unit *u) { |
15ed3c3a | 823 | return unit_has_dependency(u, UNIT_ATOM_TRIGGERS, NULL); |
6529ccfa | 824 | } |
3ecaa09b | 825 | |
12f64221 | 826 | static inline Unit* UNIT_GET_SLICE(const Unit *u) { |
d219a2b0 | 827 | return unit_has_dependency(u, UNIT_ATOM_IN_SLICE, NULL); |
12f64221 LP |
828 | } |
829 | ||
75db809a ZJS |
830 | Unit* unit_new(Manager *m, size_t size); |
831 | Unit* unit_free(Unit *u); | |
dc409696 | 832 | DEFINE_TRIVIAL_CLEANUP_FUNC(Unit *, unit_free); |
87f0e418 | 833 | |
a581e45a | 834 | int unit_new_for_name(Manager *m, size_t size, const char *name, Unit **ret); |
87f0e418 | 835 | int unit_add_name(Unit *u, const char *name); |
9e2f7c11 | 836 | |
eef85c4a LP |
837 | int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_reference, UnitDependencyMask mask); |
838 | int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference, UnitDependencyMask mask); | |
2c966c03 | 839 | |
35d8c19a | 840 | int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, bool add_reference, UnitDependencyMask mask); |
5a724170 | 841 | int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, bool add_reference, UnitDependencyMask mask); |
2c966c03 | 842 | |
23a177ef LP |
843 | int unit_add_exec_dependencies(Unit *u, ExecContext *c); |
844 | ||
0ae97ec1 | 845 | int unit_choose_id(Unit *u, const char *name); |
f50e0a01 | 846 | int unit_set_description(Unit *u, const char *description); |
87f0e418 | 847 | |
6ac62d61 LP |
848 | void unit_release_resources(Unit *u); |
849 | ||
f2f725e5 | 850 | bool unit_may_gc(Unit *u); |
701cc384 | 851 | |
39c79477 ZJS |
852 | static inline bool unit_is_extrinsic(Unit *u) { |
853 | return u->perpetual || | |
854 | (UNIT_VTABLE(u)->is_extrinsic && UNIT_VTABLE(u)->is_extrinsic(u)); | |
855 | } | |
856 | ||
5e1669ff ZJS |
857 | static inline const char* unit_status_text(Unit *u) { |
858 | if (u && UNIT_VTABLE(u)->status_text) | |
859 | return UNIT_VTABLE(u)->status_text(u); | |
860 | return NULL; | |
861 | } | |
862 | ||
87f0e418 | 863 | void unit_add_to_load_queue(Unit *u); |
c1e1601e | 864 | void unit_add_to_dbus_queue(Unit *u); |
23a177ef | 865 | void unit_add_to_cleanup_queue(Unit *u); |
701cc384 | 866 | void unit_add_to_gc_queue(Unit *u); |
19496554 | 867 | void unit_add_to_target_deps_queue(Unit *u); |
fda09318 | 868 | void unit_submit_to_stop_when_unneeded_queue(Unit *u); |
0bc488c9 | 869 | void unit_submit_to_start_when_upheld_queue(Unit *u); |
56c59592 | 870 | void unit_submit_to_stop_when_bound_queue(Unit *u); |
6ac62d61 | 871 | void unit_submit_to_release_resources_queue(Unit *u); |
87f0e418 LP |
872 | |
873 | int unit_merge(Unit *u, Unit *other); | |
23a177ef LP |
874 | int unit_merge_by_name(Unit *u, const char *other); |
875 | ||
44a6b1b6 | 876 | Unit *unit_follow_merge(Unit *u) _pure_; |
87f0e418 | 877 | |
c3620770 | 878 | int unit_load_fragment_and_dropin(Unit *u, bool fragment_required); |
87f0e418 LP |
879 | int unit_load(Unit *unit); |
880 | ||
899acf5c | 881 | int unit_set_slice(Unit *u, Unit *slice); |
d79200e2 | 882 | int unit_set_default_slice(Unit *u); |
a016b922 | 883 | |
44a6b1b6 | 884 | const char *unit_description(Unit *u) _pure_; |
04d232d8 | 885 | const char *unit_status_string(Unit *u, char **combined); |
87f0e418 | 886 | |
303ee601 | 887 | bool unit_has_name(const Unit *u, const char *name); |
f278026d | 888 | |
87f0e418 | 889 | UnitActiveState unit_active_state(Unit *u); |
d9e45bc3 MS |
890 | FreezerState unit_freezer_state(Unit *u); |
891 | int unit_freezer_state_kernel(Unit *u, FreezerState *ret); | |
87f0e418 | 892 | |
10a94420 LP |
893 | const char* unit_sub_state_to_string(Unit *u); |
894 | ||
44a6b1b6 ZJS |
895 | bool unit_can_reload(Unit *u) _pure_; |
896 | bool unit_can_start(Unit *u) _pure_; | |
f5869324 | 897 | bool unit_can_stop(Unit *u) _pure_; |
44a6b1b6 | 898 | bool unit_can_isolate(Unit *u) _pure_; |
87f0e418 | 899 | |
48b92b37 | 900 | int unit_start(Unit *u, ActivationDetails *details); |
87f0e418 LP |
901 | int unit_stop(Unit *u); |
902 | int unit_reload(Unit *u); | |
903 | ||
a721cd00 LP |
904 | int unit_kill(Unit *u, KillWho w, int signo, int code, int value, sd_bus_error *error); |
905 | 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 | 906 | |
38c41427 NK |
907 | void unit_notify_cgroup_oom(Unit *u, bool managed_oom); |
908 | ||
96b09de5 | 909 | void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, bool reload_success); |
87f0e418 | 910 | |
f75f613d | 911 | int unit_watch_pid(Unit *u, pid_t pid, bool exclusive); |
87f0e418 | 912 | void unit_unwatch_pid(Unit *u, pid_t pid); |
a911bb9a LP |
913 | void unit_unwatch_all_pids(Unit *u); |
914 | ||
50be4f4a LP |
915 | int unit_enqueue_rewatch_pids(Unit *u); |
916 | void unit_dequeue_rewatch_pids(Unit *u); | |
87f0e418 | 917 | |
9806e87d | 918 | int unit_install_bus_match(Unit *u, sd_bus *bus, const char *name); |
05e343b7 LP |
919 | int unit_watch_bus_name(Unit *u, const char *name); |
920 | void unit_unwatch_bus_name(Unit *u, const char *name); | |
921 | ||
87f0e418 LP |
922 | bool unit_job_is_applicable(Unit *u, JobType j); |
923 | ||
0301abf4 LP |
924 | int set_unit_path(const char *p); |
925 | ||
50159e6a | 926 | char *unit_dbus_path(Unit *u); |
4b58153d | 927 | char *unit_dbus_path_invocation_id(Unit *u); |
50159e6a | 928 | |
f6ff8c29 LP |
929 | int unit_load_related_unit(Unit *u, const char *type, Unit **_found); |
930 | ||
d336ba9f | 931 | int unit_add_node_dependency(Unit *u, const char *what, UnitDependency d, UnitDependencyMask mask); |
44b0d1fd | 932 | int unit_add_blockdev_dependency(Unit *u, const char *what, UnitDependencyMask mask); |
6e2ef85b | 933 | |
be847e82 | 934 | int unit_coldplug(Unit *u); |
f0831ed2 | 935 | void unit_catchup(Unit *u); |
cca098b0 | 936 | |
04d232d8 | 937 | void unit_status_printf(Unit *u, StatusType status_type, const char *status, const char *format, const char *ident) _printf_(4, 0); |
9e58ff9c | 938 | |
45fb0699 LP |
939 | bool unit_need_daemon_reload(Unit *u); |
940 | ||
fdf20a31 | 941 | void unit_reset_failed(Unit *u); |
5632e374 | 942 | |
a7f241db | 943 | Unit *unit_following(Unit *u); |
eeaedb7c | 944 | int unit_following_set(Unit *u, Set **s); |
a7f241db | 945 | |
9444b1f2 LP |
946 | const char *unit_slice_name(Unit *u); |
947 | ||
44a6b1b6 ZJS |
948 | bool unit_stop_pending(Unit *u) _pure_; |
949 | bool unit_inactive_or_pending(Unit *u) _pure_; | |
31afa0a4 | 950 | bool unit_active_or_pending(Unit *u); |
52a12341 | 951 | bool unit_will_restart_default(Unit *u); |
deb4e708 | 952 | bool unit_will_restart(Unit *u); |
18ffdfda | 953 | |
bba34eed LP |
954 | int unit_add_default_target_dependency(Unit *u, Unit *target); |
955 | ||
294446dc | 956 | void unit_start_on_failure(Unit *u, const char *dependency_name, UnitDependencyAtom atom, JobMode job_mode); |
3ecaa09b | 957 | void unit_trigger_notify(Unit *u); |
c0daa706 | 958 | |
a4375746 | 959 | UnitFileState unit_get_unit_file_state(Unit *u); |
e77e07f6 | 960 | PresetAction unit_get_unit_file_preset(Unit *u); |
a4375746 | 961 | |
7f7d01ed | 962 | Unit* unit_ref_set(UnitRef *ref, Unit *source, Unit *target); |
57020a3a LP |
963 | void unit_ref_unset(UnitRef *ref); |
964 | ||
7f7d01ed ZJS |
965 | #define UNIT_DEREF(ref) ((ref).target) |
966 | #define UNIT_ISSET(ref) (!!(ref).target) | |
57020a3a | 967 | |
598459ce | 968 | int unit_patch_contexts(Unit *u); |
e06c73cc | 969 | |
c2503e35 | 970 | ExecContext *unit_get_exec_context(const Unit *u) _pure_; |
718db961 | 971 | KillContext *unit_get_kill_context(Unit *u) _pure_; |
4ad49000 | 972 | CGroupContext *unit_get_cgroup_context(Unit *u) _pure_; |
598459ce | 973 | |
28135da3 | 974 | ExecRuntime *unit_get_exec_runtime(Unit *u) _pure_; |
613b411c LP |
975 | |
976 | int unit_setup_exec_runtime(Unit *u); | |
3ef63c31 | 977 | |
68ecb48b | 978 | const char* unit_escape_setting(const char *s, UnitWriteFlags flags, char **buf); |
2e59b241 | 979 | char* unit_concat_strv(char **l, UnitWriteFlags flags); |
b9ec9359 | 980 | |
2e59b241 LP |
981 | int unit_write_setting(Unit *u, UnitWriteFlags flags, const char *name, const char *data); |
982 | int unit_write_settingf(Unit *u, UnitWriteFlags mode, const char *name, const char *format, ...) _printf_(4,5); | |
b9ec9359 | 983 | |
db2cb23b | 984 | int unit_kill_context(Unit *u, KillContext *c, KillOperation k, pid_t main_pid, pid_t control_pid, bool main_pid_alien); |
cd2086fe | 985 | |
c2756a68 LP |
986 | int unit_make_transient(Unit *u); |
987 | ||
eef85c4a | 988 | int unit_require_mounts_for(Unit *u, const char *path, UnitDependencyMask mask); |
a57f7e2c | 989 | |
1c2e9646 LP |
990 | bool unit_type_supported(UnitType t); |
991 | ||
0f13f3bd LP |
992 | bool unit_is_pristine(Unit *u); |
993 | ||
a3c1168a | 994 | bool unit_is_unneeded(Unit *u); |
0bc488c9 | 995 | bool unit_is_upheld_by_active(Unit *u, Unit **ret_culprit); |
56c59592 | 996 | bool unit_is_bound_by_inactive(Unit *u, Unit **ret_culprit); |
a3c1168a | 997 | |
291d565a LP |
998 | pid_t unit_control_pid(Unit *u); |
999 | pid_t unit_main_pid(Unit *u); | |
1000 | ||
8b4305c7 | 1001 | void unit_warn_if_dir_nonempty(Unit *u, const char* where); |
25cd4964 | 1002 | int unit_fail_if_noncanonical(Unit *u, const char* where); |
8b4305c7 | 1003 | |
97a3f4ee | 1004 | int unit_test_start_limit(Unit *u); |
07299350 | 1005 | |
00d9ef85 LP |
1006 | int unit_ref_uid_gid(Unit *u, uid_t uid, gid_t gid); |
1007 | void unit_unref_uid_gid(Unit *u, bool destroy_now); | |
1008 | ||
1009 | void unit_notify_user_lookup(Unit *u, uid_t uid, gid_t gid); | |
1010 | ||
2d3b784d | 1011 | int unit_set_invocation_id(Unit *u, sd_id128_t id); |
4b58153d LP |
1012 | int unit_acquire_invocation_id(Unit *u); |
1013 | ||
c891efaf FB |
1014 | bool unit_shall_confirm_spawn(Unit *u); |
1015 | ||
1ad6e8b3 | 1016 | int unit_set_exec_params(Unit *s, ExecParameters *p); |
f0d47797 | 1017 | |
4c253ed1 | 1018 | int unit_fork_helper_process(Unit *u, const char *name, pid_t *ret); |
810ef318 | 1019 | int unit_fork_and_watch_rm_rf(Unit *u, char **paths, pid_t *ret_pid); |
a79279c7 | 1020 | |
c999cf38 LP |
1021 | void unit_remove_dependencies(Unit *u, UnitDependencyMask mask); |
1022 | ||
d3070fbd LP |
1023 | void unit_export_state_files(Unit *u); |
1024 | void unit_unlink_state_files(Unit *u); | |
1025 | ||
3c7416b6 LP |
1026 | int unit_prepare_exec(Unit *u); |
1027 | ||
4c425434 LP |
1028 | int unit_log_leftover_process_start(pid_t pid, int sig, void *userdata); |
1029 | int unit_log_leftover_process_stop(pid_t pid, int sig, void *userdata); | |
1030 | int unit_warn_leftover_processes(Unit *u, cg_kill_log_func_t log_func); | |
a4634b21 | 1031 | |
bb2c7685 LP |
1032 | bool unit_needs_console(Unit *u); |
1033 | ||
6592b975 LP |
1034 | int unit_pid_attachable(Unit *unit, pid_t pid, sd_bus_error *error); |
1035 | ||
28a2dfe8 ZJS |
1036 | static inline bool unit_has_job_type(Unit *u, JobType type) { |
1037 | return u && u->job && u->job->type == type; | |
1038 | } | |
1039 | ||
c2503e35 RH |
1040 | static inline bool unit_log_level_test(const Unit *u, int level) { |
1041 | ExecContext *ec = unit_get_exec_context(u); | |
1042 | return !ec || ec->log_level_max < 0 || ec->log_level_max >= LOG_PRI(level); | |
1043 | } | |
1044 | ||
31cd5f63 AZ |
1045 | /* unit_log_skip is for cases like ExecCondition= where a unit is considered "done" |
1046 | * after some execution, rather than succeeded or failed. */ | |
1047 | void unit_log_skip(Unit *u, const char *result); | |
523ee2d4 | 1048 | void unit_log_success(Unit *u); |
7c047d74 | 1049 | void unit_log_failure(Unit *u, const char *result); |
aac99f30 ZJS |
1050 | static inline void unit_log_result(Unit *u, bool success, const char *result) { |
1051 | if (success) | |
1052 | unit_log_success(u); | |
1053 | else | |
1054 | unit_log_failure(u, result); | |
1055 | } | |
1056 | ||
5cc2cd1c | 1057 | void unit_log_process_exit(Unit *u, const char *kind, const char *command, bool success, int code, int status); |
7c047d74 | 1058 | |
7af67e9a LP |
1059 | int unit_exit_status(Unit *u); |
1060 | int unit_success_action_exit_status(Unit *u); | |
1061 | int unit_failure_action_exit_status(Unit *u); | |
1062 | ||
a4191c9f LP |
1063 | int unit_test_trigger_loaded(Unit *u); |
1064 | ||
bb0c0d6f | 1065 | void unit_destroy_runtime_data(Unit *u, const ExecContext *context); |
380dc8b0 LP |
1066 | int unit_clean(Unit *u, ExecCleanMask mask); |
1067 | int unit_can_clean(Unit *u, ExecCleanMask *ret_mask); | |
1068 | ||
d9e45bc3 MS |
1069 | bool unit_can_freeze(Unit *u); |
1070 | int unit_freeze(Unit *u); | |
1071 | void unit_frozen(Unit *u); | |
1072 | ||
1073 | int unit_thaw(Unit *u); | |
1074 | void unit_thawed(Unit *u); | |
1075 | ||
1076 | int unit_freeze_vtable_common(Unit *u); | |
1077 | int unit_thaw_vtable_common(Unit *u); | |
1078 | ||
6e548561 DDM |
1079 | Condition *unit_find_failed_condition(Unit *u); |
1080 | ||
e8e581bf ZJS |
1081 | /* Macros which append UNIT= or USER_UNIT= to the message */ |
1082 | ||
ac513634 | 1083 | #define log_unit_full_errno_zerook(unit, level, error, ...) \ |
f2341e0a | 1084 | ({ \ |
8dec4a9d | 1085 | const Unit *_u = (unit); \ |
c2503e35 | 1086 | const int _l = (level); \ |
1092e82b LB |
1087 | bool _do_log = !(log_get_max_level() < LOG_PRI(_l) || \ |
1088 | (_u && !unit_log_level_test(_u, _l))); \ | |
1089 | const ExecContext *_c = _do_log && _u ? \ | |
1090 | unit_get_exec_context(_u) : NULL; \ | |
1091 | LOG_CONTEXT_PUSH_IOV(_c ? _c->log_extra_fields : NULL, \ | |
1092 | _c ? _c->n_log_extra_fields : 0); \ | |
1093 | !_do_log ? -ERRNO_VALUE(error) : \ | |
c2503e35 RH |
1094 | _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__) : \ |
1095 | log_internal(_l, error, PROJECT_FILE, __LINE__, __func__, ##__VA_ARGS__); \ | |
f2341e0a LP |
1096 | }) |
1097 | ||
ac513634 YW |
1098 | #define log_unit_full_errno(unit, level, error, ...) \ |
1099 | ({ \ | |
1100 | int _error = (error); \ | |
1101 | ASSERT_NON_ZERO(_error); \ | |
1102 | log_unit_full_errno_zerook(unit, level, _error, ##__VA_ARGS__); \ | |
1103 | }) | |
1104 | ||
1105 | #define log_unit_full(unit, level, ...) (void) log_unit_full_errno_zerook(unit, level, 0, __VA_ARGS__) | |
8ed6f81b | 1106 | |
ac513634 | 1107 | #define log_unit_debug(unit, ...) log_unit_full(unit, LOG_DEBUG, __VA_ARGS__) |
8ed6f81b YW |
1108 | #define log_unit_info(unit, ...) log_unit_full(unit, LOG_INFO, __VA_ARGS__) |
1109 | #define log_unit_notice(unit, ...) log_unit_full(unit, LOG_NOTICE, __VA_ARGS__) | |
1110 | #define log_unit_warning(unit, ...) log_unit_full(unit, LOG_WARNING, __VA_ARGS__) | |
1111 | #define log_unit_error(unit, ...) log_unit_full(unit, LOG_ERR, __VA_ARGS__) | |
1112 | ||
1113 | #define log_unit_debug_errno(unit, error, ...) log_unit_full_errno(unit, LOG_DEBUG, error, __VA_ARGS__) | |
1114 | #define log_unit_info_errno(unit, error, ...) log_unit_full_errno(unit, LOG_INFO, error, __VA_ARGS__) | |
1115 | #define log_unit_notice_errno(unit, error, ...) log_unit_full_errno(unit, LOG_NOTICE, error, __VA_ARGS__) | |
1116 | #define log_unit_warning_errno(unit, error, ...) log_unit_full_errno(unit, LOG_WARNING, error, __VA_ARGS__) | |
1117 | #define log_unit_error_errno(unit, error, ...) log_unit_full_errno(unit, LOG_ERR, error, __VA_ARGS__) | |
f2341e0a | 1118 | |
556b6f4e DDM |
1119 | #if LOG_TRACE |
1120 | # define log_unit_trace(...) log_unit_debug(__VA_ARGS__) | |
1121 | # define log_unit_trace_errno(...) log_unit_debug_errno(__VA_ARGS__) | |
1122 | #else | |
1123 | # define log_unit_trace(...) do {} while (0) | |
1124 | # define log_unit_trace_errno(e, ...) (-ERRNO_VALUE(e)) | |
1125 | #endif | |
1126 | ||
c2503e35 RH |
1127 | #define log_unit_struct_errno(unit, level, error, ...) \ |
1128 | ({ \ | |
1129 | const Unit *_u = (unit); \ | |
1130 | const int _l = (level); \ | |
1092e82b LB |
1131 | bool _do_log = unit_log_level_test(_u, _l); \ |
1132 | const ExecContext *_c = _do_log && _u ? \ | |
1133 | unit_get_exec_context(_u) : NULL; \ | |
1134 | LOG_CONTEXT_PUSH_IOV(_c ? _c->log_extra_fields : NULL, \ | |
1135 | _c ? _c->n_log_extra_fields : 0); \ | |
1136 | _do_log ? \ | |
c2503e35 RH |
1137 | log_struct_errno(_l, error, __VA_ARGS__, LOG_UNIT_ID(_u)) : \ |
1138 | -ERRNO_VALUE(error); \ | |
1139 | }) | |
1140 | ||
1141 | #define log_unit_struct(unit, level, ...) log_unit_struct_errno(unit, level, 0, __VA_ARGS__) | |
1142 | ||
1143 | #define log_unit_struct_iovec_errno(unit, level, error, iovec, n_iovec) \ | |
1144 | ({ \ | |
1092e82b | 1145 | const Unit *_u = (unit); \ |
c2503e35 | 1146 | const int _l = (level); \ |
1092e82b LB |
1147 | bool _do_log = unit_log_level_test(_u, _l); \ |
1148 | const ExecContext *_c = _do_log && _u ? \ | |
1149 | unit_get_exec_context(_u) : NULL; \ | |
1150 | LOG_CONTEXT_PUSH_IOV(_c ? _c->log_extra_fields : NULL, \ | |
1151 | _c ? _c->n_log_extra_fields : 0); \ | |
1152 | _do_log ? \ | |
c2503e35 RH |
1153 | log_struct_iovec_errno(_l, error, iovec, n_iovec) : \ |
1154 | -ERRNO_VALUE(error); \ | |
1155 | }) | |
1156 | ||
1157 | #define log_unit_struct_iovec(unit, level, iovec, n_iovec) log_unit_struct_iovec_errno(unit, level, 0, iovec, n_iovec) | |
1158 | ||
b9ce5cf9 ZJS |
1159 | /* Like LOG_MESSAGE(), but with the unit name prefixed. */ |
1160 | #define LOG_UNIT_MESSAGE(unit, fmt, ...) LOG_MESSAGE("%s: " fmt, (unit)->id, ##__VA_ARGS__) | |
f2341e0a | 1161 | #define LOG_UNIT_ID(unit) (unit)->manager->unit_log_format_string, (unit)->id |
f1c50bec | 1162 | #define LOG_UNIT_INVOCATION_ID(unit) (unit)->manager->invocation_log_format_string, (unit)->invocation_id_string |
5afe510c LP |
1163 | |
1164 | const char* collect_mode_to_string(CollectMode m) _const_; | |
1165 | CollectMode collect_mode_from_string(const char *s) _pure_; | |
15ed3c3a LP |
1166 | |
1167 | typedef struct UnitForEachDependencyData { | |
1168 | /* Stores state for the FOREACH macro below for iterating through all deps that have any of the | |
1169 | * specified dependency atom bits set */ | |
1170 | UnitDependencyAtom match_atom; | |
1171 | Hashmap *by_type, *by_unit; | |
1172 | void *current_type; | |
1173 | Iterator by_type_iterator, by_unit_iterator; | |
1174 | Unit **current_unit; | |
1175 | } UnitForEachDependencyData; | |
1176 | ||
1177 | /* Iterates through all dependencies that have a specific atom in the dependency type set. This tries to be | |
1178 | * smart: if the atom is unique, we'll directly go to right entry. Otherwise we'll iterate through the | |
1179 | * per-dependency type hashmap and match all dep that have the right atom set. */ | |
1180 | #define _UNIT_FOREACH_DEPENDENCY(other, u, ma, data) \ | |
1181 | for (UnitForEachDependencyData data = { \ | |
1182 | .match_atom = (ma), \ | |
1183 | .by_type = (u)->dependencies, \ | |
1184 | .by_type_iterator = ITERATOR_FIRST, \ | |
1185 | .current_unit = &(other), \ | |
1186 | }; \ | |
1187 | ({ \ | |
1188 | UnitDependency _dt = _UNIT_DEPENDENCY_INVALID; \ | |
1189 | bool _found; \ | |
1190 | \ | |
1191 | if (data.by_type && ITERATOR_IS_FIRST(data.by_type_iterator)) { \ | |
1192 | _dt = unit_dependency_from_unique_atom(data.match_atom); \ | |
1193 | if (_dt >= 0) { \ | |
1194 | data.by_unit = hashmap_get(data.by_type, UNIT_DEPENDENCY_TO_PTR(_dt)); \ | |
1195 | data.current_type = UNIT_DEPENDENCY_TO_PTR(_dt); \ | |
1196 | data.by_type = NULL; \ | |
1197 | _found = !!data.by_unit; \ | |
1198 | } \ | |
1199 | } \ | |
1200 | if (_dt < 0) \ | |
1201 | _found = hashmap_iterate(data.by_type, \ | |
1202 | &data.by_type_iterator, \ | |
1203 | (void**)&(data.by_unit), \ | |
1204 | (const void**) &(data.current_type)); \ | |
1205 | _found; \ | |
1206 | }); ) \ | |
1207 | if ((unit_dependency_to_atom(UNIT_DEPENDENCY_FROM_PTR(data.current_type)) & data.match_atom) != 0) \ | |
1208 | for (data.by_unit_iterator = ITERATOR_FIRST; \ | |
1209 | hashmap_iterate(data.by_unit, \ | |
1210 | &data.by_unit_iterator, \ | |
1211 | NULL, \ | |
1212 | (const void**) data.current_unit); ) | |
1213 | ||
1214 | /* Note: this matches deps that have *any* of the atoms specified in match_atom set */ | |
1215 | #define UNIT_FOREACH_DEPENDENCY(other, u, match_atom) \ | |
1216 | _UNIT_FOREACH_DEPENDENCY(other, u, match_atom, UNIQ_T(data, UNIQ)) | |
4b2af439 DDM |
1217 | |
1218 | #define _LOG_CONTEXT_PUSH_UNIT(unit, u, c) \ | |
1219 | const Unit *u = (unit); \ | |
1220 | const ExecContext *c = unit_get_exec_context(u); \ | |
1221 | LOG_CONTEXT_PUSH_KEY_VALUE(u->manager->unit_log_field, u->id); \ | |
1222 | LOG_CONTEXT_PUSH_KEY_VALUE(u->manager->invocation_log_field, u->invocation_id_string); \ | |
1223 | LOG_CONTEXT_PUSH_IOV(c ? c->log_extra_fields : NULL, c ? c->n_log_extra_fields : 0) | |
1224 | ||
1225 | #define LOG_CONTEXT_PUSH_UNIT(unit) \ | |
1226 | _LOG_CONTEXT_PUSH_UNIT(unit, UNIQ_T(u, UNIQ), UNIQ_T(c, UNIQ)) |