1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2015, Joyent, Inc. All rights reserved.
25 * Copyright 2017 RackTop Systems.
26 */
27
28 #ifndef _STARTD_H
29 #define _STARTD_H
30
31 #include <sys/time.h>
32 #include <librestart.h>
33 #include <librestart_priv.h>
34 #include <libscf.h>
35 #include <libsysevent.h>
36 #include <libuutil.h>
37 #include <pthread.h>
38 #include <synch.h>
39 #include <stdio.h>
40 #include <syslog.h>
41 #include <umem.h>
42
43 #ifdef __cplusplus
44 extern "C" {
45 #endif
46
47 /*
48 * We want MUTEX_HELD, but we also want pthreads. So we're stuck with this
49 * for the native build, at least until the build machines can catch up
50 * with the latest version of MUTEX_HELD() in <synch.h>.
51 */
52 #if defined(NATIVE_BUILD)
53 #undef MUTEX_HELD
54 #define MUTEX_HELD(m) _mutex_held((mutex_t *)(m))
55 #endif
56
57 #ifndef NDEBUG
58
59 #define MUTEX_LOCK(mp) { \
60 int err; \
61 if ((err = pthread_mutex_lock((mp))) != 0) { \
62 (void) fprintf(stderr, \
63 "pthread_mutex_lock() failed on %s:%d: %s\n", \
64 __FILE__, __LINE__, strerror(err)); \
65 abort(); \
66 } \
67 }
68
69 #define MUTEX_UNLOCK(mp) { \
70 int err; \
71 if ((err = pthread_mutex_unlock((mp))) != 0) { \
72 (void) fprintf(stderr, \
73 "pthread_mutex_unlock() failed on %s:%d: %s\n", \
74 __FILE__, __LINE__, strerror(err)); \
75 abort(); \
76 } \
77 }
78
79 #else
80
81 #define MUTEX_LOCK(mp) (void) pthread_mutex_lock((mp))
82 #define MUTEX_UNLOCK(mp) (void) pthread_mutex_unlock((mp))
83
84 #endif
85
86 #define bad_error(func, err) \
87 uu_panic("%s:%d: %s() failed with unexpected " \
88 "error %d. Aborting.\n", __FILE__, __LINE__, (func), (err));
89
90 #define min(a, b) (((a) < (b)) ? (a) : (b))
91
92 #define FAULT_COUNT_INCR 0
93 #define FAULT_COUNT_RESET 1
94
95 #define FAULT_THRESHOLD 3
96
97 #define MAX_CONFIGD_RETRIES 5
98 #define MAX_EMI_RETRIES 5
99 #define MAX_MOUNT_RETRIES 5
100 #define MAX_SULOGIN_RETRIES 5
101
102 #define RETURN_SUCCESS 0
103 #define RETURN_RETRY -1
104 #define RETURN_FATAL -2
105
106 #define LIBSCF_SUCCESS 0
107 #define LIBSCF_PROPERTY_ABSENT -1
108 #define LIBSCF_PGROUP_ABSENT -2
109 #define LIBSCF_PROPERTY_ERROR -3
110
111 #define METHOD_START 0
112 #define METHOD_STOP 1
113 #define METHOD_REFRESH 2
114
115 #define METHOD_TIMEOUT_INFINITE 0
116
117 /*
118 * Contract cookies used by startd.
119 */
120 #define CONFIGD_COOKIE 0x10
121 #define SULOGIN_COOKIE 0x11
122 #define METHOD_START_COOKIE 0x20
123 #define METHOD_OTHER_COOKIE 0x21
124 #define MONITOR_COOKIE 0x30
125 #define EMI_COOKIE 0x31
126
127
128 #define ALLOC_RETRY 3
129 #define ALLOC_DELAY 10
130 #define ALLOC_DELAY_MULT 10
131
132 #define safe_scf_scope_create(h) \
133 libscf_object_create((void *(*)(scf_handle_t *))scf_scope_create, (h))
134 #define safe_scf_service_create(h) \
135 libscf_object_create((void *(*)(scf_handle_t *))scf_service_create, (h))
136 #define safe_scf_instance_create(h) libscf_object_create( \
137 (void *(*)(scf_handle_t *))scf_instance_create, (h))
138 #define safe_scf_snapshot_create(h) libscf_object_create( \
139 (void *(*)(scf_handle_t *))scf_snapshot_create, (h))
140 #define safe_scf_snaplevel_create(h) libscf_object_create( \
141 (void *(*)(scf_handle_t *))scf_snaplevel_create, (h))
142 #define safe_scf_pg_create(h) \
143 libscf_object_create((void *(*)(scf_handle_t *))scf_pg_create, (h))
144 #define safe_scf_property_create(h) libscf_object_create( \
145 (void *(*)(scf_handle_t *))scf_property_create, (h))
146 #define safe_scf_value_create(h) \
147 libscf_object_create((void *(*)(scf_handle_t *))scf_value_create, (h))
148 #define safe_scf_iter_create(h) \
149 libscf_object_create((void *(*)(scf_handle_t *))scf_iter_create, (h))
150 #define safe_scf_transaction_create(h) libscf_object_create( \
151 (void *(*)(scf_handle_t *)) scf_transaction_create, (h))
152 #define safe_scf_entry_create(h) \
153 libscf_object_create((void *(*)(scf_handle_t *))scf_entry_create, (h))
154
155 #define startd_alloc(sz) \
156 startd_alloc_retry((void *(*)(size_t, int))umem_alloc, (sz))
157 #define startd_zalloc(sz) \
158 startd_alloc_retry((void *(*)(size_t, int))umem_zalloc, (sz))
159
160
161 extern pthread_mutexattr_t mutex_attrs;
162
163 /*
164 * Definitions for administrative actions.
165 * Note that the ordering in admin_action_t, admin_actions, and admin_events
166 * must match. admin_actions and admin_events are defined in startd.c.
167 */
168 #define NACTIONS 8
169
170 typedef enum {
171 ADMIN_EVENT_DEGRADED = 0x0,
172 ADMIN_EVENT_MAINT_OFF,
173 ADMIN_EVENT_MAINT_ON,
174 ADMIN_EVENT_MAINT_ON_IMMEDIATE,
175 ADMIN_EVENT_REFRESH,
176 ADMIN_EVENT_RESTART
177 } admin_action_t;
178
179 extern const char * const admin_actions[NACTIONS];
180 extern const int admin_events[NACTIONS];
181
182 #define LOG_DATE_SIZE 32 /* Max size of timestamp in log output */
183
184 extern ssize_t max_scf_name_size;
185 extern ssize_t max_scf_value_size;
186 extern ssize_t max_scf_fmri_size;
187
188 extern mode_t fmask;
189 extern mode_t dmask;
190
191 #define LOG_PREFIX_EARLY "/etc/svc/volatile/"
192 #define LOG_PREFIX_NORMAL "/var/svc/log/"
193
194 #define LOG_SUFFIX ".log"
195
196 #define STARTD_DEFAULT_LOG "svc.startd.log"
197 #define EMI_LOG ((const char *) "system-early-manifest-import:default.log")
198
199 extern const char *log_directory; /* Current log directory path */
200
201 #define FS_TIMEZONE_DIR "/usr/share/lib/zoneinfo"
202 #define FS_LOCALE_DIR "/usr/lib/locale"
203
204 /*
205 * Simple dictionary representation.
206 */
207 typedef struct dictionary {
208 uu_list_t *dict_list;
209 int dict_new_id;
210 pthread_mutex_t dict_lock;
211 } dictionary_t;
212
213 typedef struct dict_entry {
214 int de_id;
215 const char *de_name;
216 uu_list_node_t de_link;
217 } dict_entry_t;
218
219 extern dictionary_t *dictionary;
220
221 typedef struct timeout_queue {
222 uu_list_t *tq_list;
223 pthread_mutex_t tq_lock;
224 } timeout_queue_t;
225
226 typedef struct timeout_entry {
227 hrtime_t te_timeout; /* timeout expiration time */
228 ctid_t te_ctid;
229 char *te_fmri;
230 char *te_logstem;
231 volatile int te_fired;
232 uu_list_node_t te_link;
233 } timeout_entry_t;
234
235 extern timeout_queue_t *timeouts;
236
237 /*
238 * State definitions.
239 */
240 typedef enum {
241 STATE_NONE = 0x0,
242 STATE_UNINIT,
243 STATE_MAINT,
244 STATE_OFFLINE,
245 STATE_DISABLED,
246 STATE_ONLINE,
247 STATE_DEGRADED
248 } instance_state_t;
249
250 #define STATE_MAX (STATE_DEGRADED + 1)
251
252 extern const char * const instance_state_str[STATE_MAX];
253
254 typedef enum {
255 GVT_UNSUPPORTED = -1,
256 GVT_UNKNOWN = 0,
257 GVT_SVC, /* service */
258 GVT_INST, /* instance */
259 GVT_FILE, /* file: */
260 GVT_GROUP /* dependency group */
261 } gv_type_t;
262
263 typedef enum {
264 DEPGRP_UNSUPPORTED = -1,
265 DEPGRP_REQUIRE_ANY = 1,
266 DEPGRP_REQUIRE_ALL,
267 DEPGRP_EXCLUDE_ALL,
268 DEPGRP_OPTIONAL_ALL
269 } depgroup_type_t;
270
271 typedef enum {
272 METHOD_RESTART_UNKNOWN = -1,
273 METHOD_RESTART_ALL = 0,
274 METHOD_RESTART_EXTERNAL_FAULT,
275 METHOD_RESTART_ANY_FAULT,
276 METHOD_RESTART_OTHER
277 } method_restart_t;
278
279 typedef enum {
280 PROPAGATE_START,
281 PROPAGATE_STOP,
282 PROPAGATE_SAT
283 } propagate_event_t;
284
285 /*
286 * Graph representation.
287 */
288 #define GV_CONFIGURED 0x01 /* Service exists in repository, ready */
289 #define GV_ENABLED 0x02 /* Service should be online */
290 #define GV_ENBLD_NOOVR 0x04 /* GV_ENABLED, ignoring override */
291 #define GV_INSUBGRAPH 0x08 /* Current milestone depends on service */
292 #define GV_DEATHROW 0x10 /* Service is on deathrow */
293 #define GV_TOOFFLINE 0x20 /* Services in subtree to offline */
294 #define GV_TODISABLE 0x40 /* Services in subtree to disable */
295
296 /* ID must come first to support search */
297 typedef struct graph_vertex {
298 int gv_id;
299 char *gv_name;
300 uu_list_node_t gv_link;
301
302 uint_t gv_flags;
303 restarter_instance_state_t gv_state;
304
305 gv_type_t gv_type;
306
307 depgroup_type_t gv_depgroup;
308 restarter_error_t gv_restart;
309
310 void (*gv_start_f)(struct graph_vertex *);
311 void (*gv_post_online_f)(void);
312 void (*gv_post_disable_f)(void);
313
314 int gv_restarter_id;
315 evchan_t *gv_restarter_channel;
316
317 int gv_delegate_initialized;
318 evchan_t *gv_delegate_channel;
319
320 uu_list_t *gv_dependencies;
321 uu_list_t *gv_dependents;
322
323 /*
324 * gv_refs represents the number of references besides dependencies.
325 * The vertex cannot be removed when gv_refs > 0.
326 *
327 * Currently, only relevant for GVT_SVC and GVT_INST type vertices.
328 */
329 int gv_refs;
330
331 int32_t gv_stn_tset;
332 int32_t gv_reason;
333 } graph_vertex_t;
334
335 typedef struct graph_edge {
336 graph_vertex_t *ge_vertex;
337 uu_list_node_t ge_link;
338 graph_vertex_t *ge_parent;
339 } graph_edge_t;
340
341 int libscf_get_info_events_all(scf_propertygroup_t *);
342 int32_t libscf_get_stn_tset(scf_instance_t *);
343
344 /*
345 * Restarter transition outcomes
346 */
347 typedef enum {
348 DEGRADE_REQUESTED,
349 MAINT_REQUESTED,
350 START_REQUESTED,
351 START_FAILED_REPEATEDLY,
352 START_FAILED_CONFIGURATION,
353 START_FAILED_FATAL,
354 START_FAILED_TIMEOUT_FATAL,
355 START_FAILED_OTHER
356 } start_outcome_t;
357
358 typedef void (*instance_hook_t)(void);
359
360 typedef struct service_hook_assn {
361 char *sh_fmri;
362 instance_hook_t sh_pre_online_hook;
363 instance_hook_t sh_post_online_hook;
364 instance_hook_t sh_post_offline_hook;
365 } service_hook_assn_t;
366
367 /*
368 * Restarter instance stop reasons.
369 */
370 typedef enum {
371 RSTOP_EXIT = 0x0, /* exited or empty */
372 RSTOP_CORE, /* core dumped */
373 RSTOP_SIGNAL, /* external fatal signal received */
374 RSTOP_HWERR, /* uncorrectable hardware error */
375 RSTOP_DEPENDENCY, /* dependency activity caused stop */
376 RSTOP_DISABLE, /* disabled */
377 RSTOP_RESTART, /* restart requested */
378 RSTOP_ERR_CFG, /* wait svc exited with a config. error */
379 RSTOP_ERR_EXIT /* wait svc exited with an error */
380 } stop_cause_t;
381
382 /*
383 * Restarter instance maintenance clear reasons.
384 */
385 typedef enum {
386 RUNMAINT_CLEAR = 0x0,
387 RUNMAINT_DISABLE
388 } unmaint_cause_t;
389
390 /*
391 * Restarter instance flags
392 */
393 #define RINST_CONTRACT 0x00000000 /* progeny constitute inst */
394 #define RINST_TRANSIENT 0x10000000 /* inst operates momentarily */
395 #define RINST_WAIT 0x20000000 /* child constitutes inst */
396 #define RINST_STYLE_MASK 0xf0000000
397
398 #define RINST_RETAKE_RUNNING 0x01000000 /* pending running snapshot */
399 #define RINST_RETAKE_START 0x02000000 /* pending start snapshot */
400
401 #define RINST_RETAKE_MASK 0x0f000000
402
403 #define RINST_START_TIMES 5 /* failures to consider */
404 #define RINST_FAILURE_RATE_NS 600000000000LL /* 1 failure/10 minutes */
405 #define RINST_WT_SVC_FAILURE_RATE_NS NANOSEC /* 1 failure/second */
406
407 /* Number of events in the queue when we start dropping ADMIN events. */
408 #define RINST_QUEUE_THRESHOLD 100
409
410 typedef struct restarter_inst {
411 int ri_id;
412 instance_data_t ri_i;
413 char *ri_common_name; /* template localized name */
414 char *ri_C_common_name; /* C locale name */
415
416 char *ri_logstem; /* logfile name */
417 char *ri_utmpx_prefix;
418 uint_t ri_flags;
419 instance_hook_t ri_pre_online_hook;
420 instance_hook_t ri_post_online_hook;
421 instance_hook_t ri_post_offline_hook;
422
423 hrtime_t ri_start_time[RINST_START_TIMES];
424 uint_t ri_start_index; /* times started */
425
426 uu_list_node_t ri_link;
427 pthread_mutex_t ri_lock;
428
429 /*
430 * When we start a thread to we execute a method for this instance, we
431 * put the thread id in ri_method_thread. Threads with ids other than
432 * this which acquire ri_lock while ri_method_thread is nonzero should
433 * wait on ri_method_cv. ri_method_waiters should be incremented while
434 * waiting so the instance won't be deleted.
435 */
436 pthread_t ri_method_thread;
437 pthread_cond_t ri_method_cv;
438 uint_t ri_method_waiters;
439
440 /*
441 * These fields are provided so functions can operate on this structure
442 * and the repository without worrying about whether the instance has
443 * been deleted from the repository (this is possible because
444 * ri_i.i_fmri names the instance this structure represents -- see
445 * libscf_reget_inst()). ri_m_inst is the scf_instance_t for the
446 * instance, and ri_mi_deleted is true if the instance has been deleted.
447 */
448 scf_instance_t *ri_m_inst;
449 boolean_t ri_mi_deleted;
450
451 /*
452 * We maintain a pointer to any pending timeout for this instance
453 * for quick reference/deletion.
454 */
455 timeout_entry_t *ri_timeout;
456
457 /*
458 * Instance event queue. Graph events are queued here as a list
459 * of restarter_instance_qentry_t's, and the lock is held separately.
460 * If both ri_lock and ri_queue_lock are grabbed, ri_lock must be
461 * grabbed first. ri_queue_lock protects all ri_queue_* structure
462 * members.
463 */
464 pthread_mutex_t ri_queue_lock;
465 pthread_cond_t ri_queue_cv;
466 uu_list_t *ri_queue;
467 int ri_queue_thread;
468
469 } restarter_inst_t;
470
471 typedef struct restarter_instance_list {
472 uu_list_t *ril_instance_list;
473 pthread_mutex_t ril_lock;
474 } restarter_instance_list_t;
475
476 typedef struct restarter_instance_qentry {
477 restarter_event_type_t riq_type;
478 int32_t riq_reason;
479 uu_list_node_t riq_link;
480 } restarter_instance_qentry_t;
481
482 typedef struct fork_info {
483 int sf_id;
484 int sf_method_type;
485 restarter_error_t sf_event_type;
486 restarter_str_t sf_reason;
487 } fork_info_t;
488
489 typedef struct wait_info {
490 uu_list_node_t wi_link;
491
492 int wi_fd; /* psinfo file descriptor */
493 id_t wi_pid; /* process ID */
494 const char *wi_fmri; /* instance FMRI */
495 int wi_parent; /* startd is parent */
496 int wi_ignore; /* ignore events */
497 } wait_info_t;
498
499 #define STARTD_LOG_FILE 0x1
500 #define STARTD_LOG_TERMINAL 0x2
501 #define STARTD_LOG_SYSLOG 0x4
502
503 #define STARTD_BOOT_QUIET 0x1
504 #define STARTD_BOOT_VERBOSE 0x2
505
506 /*
507 * Internal debug flags used to reduce the amount of data sent to the
508 * internal debug buffer. They can be turned on & off dynamically using
509 * internal_debug_flags variable in mdb. By default, they're off.
510 */
511 #define DEBUG_DEPENDENCIES 0x1
512
513 typedef struct startd_state {
514 /* Logging configuration */
515 char *st_log_prefix; /* directory prefix */
516 char *st_log_file; /* startd file in above dir */
517 uint_t st_log_flags; /* message destination */
518 int st_log_level_min; /* minimum required to log */
519 int st_log_timezone_known; /* timezone is available */
520 int st_log_locale_known; /* locale is available */
521 int st_log_login_reached; /* login service reached */
522
523 /* Boot configuration */
524 uint_t st_boot_flags; /* serial boot, etc. */
525 uint_t st_initial; /* first startd on system */
526
527 /* System configuration */
528 char *st_subgraph; /* milestone subgraph request */
529
530 uint_t st_load_complete; /* graph load completed */
531 uint_t st_load_instances; /* restarter instances to load */
532 pthread_mutex_t st_load_lock;
533 pthread_cond_t st_load_cv;
534
535 /* Repository configuration */
536 pid_t st_configd_pid; /* PID of our svc.configd */
537 /* instance */
538 int st_configd_lives; /* configd started */
539 pthread_mutex_t st_configd_live_lock;
540 pthread_cond_t st_configd_live_cv;
541
542 char *st_door_path;
543
544 /* General information */
545 uint_t st_flags;
546 struct timeval st_start_time; /* effective system start time */
547 char *st_locale;
548 } startd_state_t;
549
550 extern startd_state_t *st;
551
552 extern boolean_t booting_to_single_user;
553
554 extern const char *event_names[];
555
556 /*
557 * Structures for contract to instance hash table, implemented in
558 * contract.c and used by restarter.c and method.c
559 */
560 typedef struct contract_entry {
561 ctid_t ce_ctid;
562 int ce_instid;
563
564 uu_list_node_t ce_link;
565 } contract_entry_t;
566
567 extern volatile uint16_t storing_contract;
568
569 uu_list_pool_t *contract_list_pool;
570
571 /* contract.c */
572 ctid_t contract_init(void);
573 void contract_abandon(ctid_t);
574 int contract_kill(ctid_t, int, const char *);
575 int contract_is_empty(ctid_t);
576 void contract_hash_init();
577 void contract_hash_store(ctid_t, int);
578 void contract_hash_remove(ctid_t);
579 int lookup_inst_by_contract(ctid_t);
580
581 /* dict.c */
582 void dict_init(void);
583 int dict_lookup_byname(const char *);
584 int dict_insert(const char *);
585
586 /* expand.c */
587 int expand_method_tokens(const char *, scf_instance_t *,
588 scf_snapshot_t *, int, char **);
589
590 /* env.c */
591 void init_env(void);
592 char **set_smf_env(char **, size_t, const char *,
593 const restarter_inst_t *, const char *);
594
595 /* file.c */
596 int file_ready(graph_vertex_t *);
597
598 /* fork.c */
599 int fork_mount(char *, char *);
600 void fork_sulogin(boolean_t, const char *, ...);
601 void fork_rc_script(char, const char *, boolean_t);
602
603 void *fork_configd_thread(void *);
604
605 pid_t startd_fork1(int *);
606 void fork_with_timeout(const char *, uint_t, uint_t);
607 void fork_emi();
608
609 /* graph.c */
610 void graph_init(void);
611 void *single_user_thread(void *);
612 void *graph_thread(void *);
613 void *graph_event_thread(void *);
614 void *repository_event_thread(void *);
615 int dgraph_add_instance(const char *, scf_instance_t *, boolean_t);
616 void graph_engine_start(void);
617 void graph_enable_by_vertex(graph_vertex_t *, int, int);
618 int refresh_vertex(graph_vertex_t *, scf_instance_t *);
619 void vertex_send_event(graph_vertex_t *, restarter_event_type_t);
620 void graph_start_if_satisfied(graph_vertex_t *);
621 int vertex_subgraph_dependencies_shutdown(scf_handle_t *, graph_vertex_t *,
622 restarter_instance_state_t);
623 void graph_transition_sulogin(restarter_instance_state_t,
624 restarter_instance_state_t);
625 void graph_transition_propagate(graph_vertex_t *, propagate_event_t,
626 restarter_error_t);
627 void graph_offline_subtree_leaves(graph_vertex_t *, void *);
628 void offline_vertex(graph_vertex_t *);
629
630 /* libscf.c - common */
631 char *inst_fmri_to_svc_fmri(const char *);
632 void *libscf_object_create(void *(*)(scf_handle_t *), scf_handle_t *);
633 int libscf_instance_get_fmri(scf_instance_t *, char **);
634 int libscf_fmri_get_instance(scf_handle_t *, const char *, scf_instance_t **);
635 int libscf_lookup_instance(const char *, scf_instance_t *);
636 int libscf_set_reconfig(int);
637 scf_snapshot_t *libscf_get_or_make_running_snapshot(scf_instance_t *,
638 const char *, boolean_t);
639 int libscf_inst_set_count_prop(scf_instance_t *, const char *,
640 const char *pgtype, uint32_t, const char *, uint64_t);
641
642 /* libscf.c - used by graph.c */
643 int libscf_get_deathrow(scf_handle_t *, scf_instance_t *, int *);
644 int libscf_get_basic_instance_data(scf_handle_t *, scf_instance_t *,
645 const char *, int *, int *, char **);
646 int libscf_inst_get_or_add_pg(scf_instance_t *, const char *, const char *,
647 uint32_t, scf_propertygroup_t *);
648 int libscf_read_states(const scf_propertygroup_t *,
649 restarter_instance_state_t *, restarter_instance_state_t *);
650 int depgroup_empty(scf_handle_t *, scf_propertygroup_t *);
651 gv_type_t depgroup_read_scheme(scf_handle_t *, scf_propertygroup_t *);
652 depgroup_type_t depgroup_read_grouping(scf_handle_t *, scf_propertygroup_t *);
653 restarter_error_t depgroup_read_restart(scf_handle_t *, scf_propertygroup_t *);
654 int libscf_set_enable_ovr(scf_instance_t *, int);
655 int libscf_set_deathrow(scf_instance_t *, int);
656 int libscf_delete_enable_ovr(scf_instance_t *);
657 int libscf_get_milestone(scf_instance_t *, scf_property_t *, scf_value_t *,
658 char *, size_t);
659 int libscf_extract_runlevel(scf_property_t *, char *);
660 int libscf_clear_runlevel(scf_propertygroup_t *, const char *milestone);
661
662 typedef int (*callback_t)(void *, void *);
663
664 int walk_dependency_pgs(scf_instance_t *, callback_t, void *);
665 int walk_property_astrings(scf_property_t *, callback_t, void *);
666 void libscf_reset_start_times(restarter_inst_t *, int);
667
668 /* libscf.c - used by restarter.c/method.c/expand.c */
669 char *libscf_get_method(scf_handle_t *, int, restarter_inst_t *,
670 scf_snapshot_t *, method_restart_t *, uint_t *, uint8_t *, uint64_t *,
671 uint8_t *);
672 void libscf_populate_graph(scf_handle_t *h);
673 int update_fault_count(restarter_inst_t *, int);
674 int libscf_unset_action(scf_handle_t *, scf_propertygroup_t *, admin_action_t,
675 int64_t);
676 int libscf_get_startd_properties(scf_instance_t *, scf_snapshot_t *, uint_t *,
677 char **);
678 int libscf_get_template_values(scf_instance_t *, scf_snapshot_t *, char **,
679 char **);
680
681 int libscf_read_method_ids(scf_handle_t *, scf_instance_t *, const char *,
682 ctid_t *, ctid_t *, pid_t *);
683 int libscf_write_start_pid(scf_instance_t *, pid_t);
684 int libscf_write_method_status(scf_instance_t *, const char *, int);
685 int libscf_note_method_log(scf_instance_t *, const char *, const char *);
686
687 scf_handle_t *libscf_handle_create_bound(scf_version_t);
688 void libscf_handle_rebind(scf_handle_t *);
689 scf_handle_t *libscf_handle_create_bound_loop(void);
690
691 scf_snapshot_t *libscf_get_running_snapshot(scf_instance_t *);
692 int libscf_snapshots_poststart(scf_handle_t *, const char *, boolean_t);
693 int libscf_snapshots_refresh(scf_instance_t *, const char *);
694
695 int instance_is_transient_style(restarter_inst_t *);
696 int instance_is_wait_style(restarter_inst_t *);
697
698 int libscf_create_self(scf_handle_t *);
699
700 void libscf_reget_instance(restarter_inst_t *);
701
702 /* log.c */
703 void log_init();
704 void log_error(int, const char *, ...);
705 void log_framework(int, const char *, ...);
706 void log_framework2(int, int, const char *, ...);
707 void log_console(int, const char *, ...);
708 void log_preexec(void);
709 void setlog(const char *);
710 void log_transition(const restarter_inst_t *, start_outcome_t);
711 void log_instance(const restarter_inst_t *, boolean_t, const char *, ...);
712 void log_instance_fmri(const char *, const char *, boolean_t,
713 const char *, ...);
714
715 /* method.c */
716 void *method_thread(void *);
717 void method_remove_contract(restarter_inst_t *, boolean_t, boolean_t);
718 int method_rate_critical(restarter_inst_t *);
719
720 /* misc.c */
721 void startd_close(int);
722 void startd_fclose(FILE *);
723 int fmri_canonify(const char *, char **, boolean_t);
724 int fs_is_read_only(char *, ulong_t *);
725 int fs_remount(char *);
726 void xstr_sanitize(char *);
727
728 /* restarter.c */
729 void restarter_init(void);
730 void restarter_start(void);
731 int instance_in_transition(restarter_inst_t *);
732 int restarter_instance_update_states(scf_handle_t *, restarter_inst_t *,
733 restarter_instance_state_t, restarter_instance_state_t, restarter_error_t,
734 restarter_str_t);
735 int stop_instance_fmri(scf_handle_t *, const char *, uint_t);
736 restarter_inst_t *inst_lookup_by_id(int);
737 void restarter_mark_pending_snapshot(const char *, uint_t);
738 void *restarter_post_fsminimal_thread(void *);
739 void timeout_insert(restarter_inst_t *, ctid_t, uint64_t);
740 void timeout_remove(restarter_inst_t *, ctid_t);
741 void timeout_init(void);
742 int is_timeout_ovr(restarter_inst_t *);
743
744 /* startd.c */
745 void *safe_realloc(void *, size_t);
746 char *safe_strdup(const char *s);
747 void *startd_alloc_retry(void *(*)(size_t, int), size_t);
748 void startd_free(void *, size_t);
749 uu_list_pool_t *startd_list_pool_create(const char *, size_t, size_t,
750 uu_compare_fn_t *, uint32_t);
751 uu_list_t *startd_list_create(uu_list_pool_t *, void *, uint32_t);
752 pthread_t startd_thread_create(void *(*)(void *), void *);
753
754 /* special.c */
755 void special_null_transition(void);
756 void special_online_hooks_get(const char *, instance_hook_t *,
757 instance_hook_t *, instance_hook_t *);
758
759 /* transition.c */
760 int gt_transition(scf_handle_t *, graph_vertex_t *, restarter_error_t,
761 restarter_instance_state_t);
762
763 /* utmpx.c */
764 void utmpx_init(void);
765 void utmpx_clear_old(void);
766 int utmpx_mark_init(pid_t, char *);
767 void utmpx_mark_dead(pid_t, int, boolean_t);
768 char utmpx_get_runlevel(void);
769 void utmpx_set_runlevel(char, char, boolean_t);
770 void utmpx_write_boottime(void);
771 void utmpx_prefork(void);
772 void utmpx_postfork(void);
773
774 /* wait.c */
775 void wait_init(void);
776 void wait_prefork(void);
777 void wait_postfork(pid_t);
778 int wait_register(pid_t, const char *, int, int);
779 void *wait_thread(void *);
780 void wait_ignore_by_fmri(const char *);
781
782 /* proc.c */
783 ctid_t proc_get_ctid();
784
785 /* deathrow.c */
786 extern void deathrow_init();
787 extern void deathrow_fini();
788 extern boolean_t is_fmri_in_deathrow(const char *);
789
790 #ifdef __cplusplus
791 }
792 #endif
793
794 #endif /* _STARTD_H */