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) 2013, Joyent, Inc. All rights reserved.
25 */
26
27 #ifndef _STARTD_H
28 #define _STARTD_H
29
30 #include <sys/time.h>
31 #include <librestart.h>
32 #include <librestart_priv.h>
33 #include <libscf.h>
34 #include <libsysevent.h>
35 #include <libuutil.h>
36 #include <pthread.h>
37 #include <synch.h>
38 #include <stdio.h>
39 #include <syslog.h>
40 #include <umem.h>
41
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45
46 /*
47 * We want MUTEX_HELD, but we also want pthreads. So we're stuck with this
48 * for the native build, at least until the build machines can catch up
49 * with the latest version of MUTEX_HELD() in <synch.h>.
50 */
51 #if defined(NATIVE_BUILD)
52 #undef MUTEX_HELD
53 #define MUTEX_HELD(m) _mutex_held((mutex_t *)(m))
54 #endif
55
56 #ifndef NDEBUG
57
58 #define MUTEX_LOCK(mp) { \
59 int err; \
60 if ((err = pthread_mutex_lock((mp))) != 0) { \
61 (void) fprintf(stderr, \
62 "pthread_mutex_lock() failed on %s:%d: %s\n", \
63 __FILE__, __LINE__, strerror(err)); \
64 abort(); \
65 } \
66 }
67
68 #define MUTEX_UNLOCK(mp) { \
69 int err; \
70 if ((err = pthread_mutex_unlock((mp))) != 0) { \
71 (void) fprintf(stderr, \
72 "pthread_mutex_unlock() failed on %s:%d: %s\n", \
73 __FILE__, __LINE__, strerror(err)); \
74 abort(); \
75 } \
76 }
77
78 #else
79
80 #define MUTEX_LOCK(mp) (void) pthread_mutex_lock((mp))
81 #define MUTEX_UNLOCK(mp) (void) pthread_mutex_unlock((mp))
82
83 #endif
84
85 #ifndef NDEBUG
86 #define bad_error(func, err) { \
87 (void) fprintf(stderr, "%s:%d: %s() failed with unexpected " \
88 "error %d. Aborting.\n", __FILE__, __LINE__, (func), (err)); \
89 abort(); \
90 }
91 #else
92 #define bad_error(func, err) abort()
93 #endif
94
95
96 #define min(a, b) (((a) < (b)) ? (a) : (b))
97
98 #define FAULT_COUNT_INCR 0
99 #define FAULT_COUNT_RESET 1
100
101 #define FAULT_THRESHOLD 3
102
103 #define MAX_CONFIGD_RETRIES 5
104 #define MAX_EMI_RETRIES 5
105 #define MAX_MOUNT_RETRIES 5
106 #define MAX_SULOGIN_RETRIES 5
107
108 #define RETURN_SUCCESS 0
109 #define RETURN_RETRY -1
110 #define RETURN_FATAL -2
111
112 #define LIBSCF_SUCCESS 0
113 #define LIBSCF_PROPERTY_ABSENT -1
114 #define LIBSCF_PGROUP_ABSENT -2
115 #define LIBSCF_PROPERTY_ERROR -3
116
117 #define METHOD_START 0
118 #define METHOD_STOP 1
119 #define METHOD_REFRESH 2
120
121 #define METHOD_TIMEOUT_INFINITE 0
122
123 /*
124 * Contract cookies used by startd.
125 */
126 #define CONFIGD_COOKIE 0x10
127 #define SULOGIN_COOKIE 0x11
128 #define METHOD_START_COOKIE 0x20
129 #define METHOD_OTHER_COOKIE 0x21
130 #define MONITOR_COOKIE 0x30
131 #define EMI_COOKIE 0x31
132
133
134 #define ALLOC_RETRY 3
135 #define ALLOC_DELAY 10
136 #define ALLOC_DELAY_MULT 10
137
138 #define safe_scf_scope_create(h) \
139 libscf_object_create((void *(*)(scf_handle_t *))scf_scope_create, (h))
140 #define safe_scf_service_create(h) \
141 libscf_object_create((void *(*)(scf_handle_t *))scf_service_create, (h))
142 #define safe_scf_instance_create(h) libscf_object_create( \
143 (void *(*)(scf_handle_t *))scf_instance_create, (h))
144 #define safe_scf_snapshot_create(h) libscf_object_create( \
145 (void *(*)(scf_handle_t *))scf_snapshot_create, (h))
146 #define safe_scf_snaplevel_create(h) libscf_object_create( \
147 (void *(*)(scf_handle_t *))scf_snaplevel_create, (h))
148 #define safe_scf_pg_create(h) \
149 libscf_object_create((void *(*)(scf_handle_t *))scf_pg_create, (h))
150 #define safe_scf_property_create(h) libscf_object_create( \
151 (void *(*)(scf_handle_t *))scf_property_create, (h))
152 #define safe_scf_value_create(h) \
153 libscf_object_create((void *(*)(scf_handle_t *))scf_value_create, (h))
154 #define safe_scf_iter_create(h) \
155 libscf_object_create((void *(*)(scf_handle_t *))scf_iter_create, (h))
156 #define safe_scf_transaction_create(h) libscf_object_create( \
157 (void *(*)(scf_handle_t *)) scf_transaction_create, (h))
158 #define safe_scf_entry_create(h) \
159 libscf_object_create((void *(*)(scf_handle_t *))scf_entry_create, (h))
160
161 #define startd_alloc(sz) \
162 startd_alloc_retry((void *(*)(size_t, int))umem_alloc, (sz))
163 #define startd_zalloc(sz) \
164 startd_alloc_retry((void *(*)(size_t, int))umem_zalloc, (sz))
165
166
167 extern pthread_mutexattr_t mutex_attrs;
168
169 /*
170 * Definitions for administrative actions.
171 * Note that the ordering in admin_action_t, admin_actions, and admin_events
172 * must match. admin_actions and admin_events are defined in startd.c.
173 */
174 #define NACTIONS 6
175
176 typedef enum {
177 ADMIN_EVENT_DEGRADED = 0x0,
178 ADMIN_EVENT_MAINT_OFF,
179 ADMIN_EVENT_MAINT_ON,
180 ADMIN_EVENT_MAINT_ON_IMMEDIATE,
181 ADMIN_EVENT_REFRESH,
182 ADMIN_EVENT_RESTART
183 } admin_action_t;
184
185 extern const char * const admin_actions[NACTIONS];
186 extern const int admin_events[NACTIONS];
187
188 #define LOG_DATE_SIZE 32 /* Max size of timestamp in log output */
189
190 extern ssize_t max_scf_name_size;
191 extern ssize_t max_scf_value_size;
192 extern ssize_t max_scf_fmri_size;
193
194 extern mode_t fmask;
195 extern mode_t dmask;
196
197 #define LOG_PREFIX_EARLY "/etc/svc/volatile/"
198 #define LOG_PREFIX_NORMAL "/var/svc/log/"
199
200 #define LOG_SUFFIX ".log"
201
202 #define STARTD_DEFAULT_LOG "svc.startd.log"
203 #define EMI_LOG ((const char *) "system-early-manifest-import:default.log")
204
205 extern const char *log_directory; /* Current log directory path */
206
207 #define FS_TIMEZONE_DIR "/usr/share/lib/zoneinfo"
208 #define FS_LOCALE_DIR "/usr/lib/locale"
209
210 /*
211 * Simple dictionary representation.
212 */
213 typedef struct dictionary {
214 uu_list_t *dict_list;
215 int dict_new_id;
216 pthread_mutex_t dict_lock;
217 } dictionary_t;
218
219 typedef struct dict_entry {
220 int de_id;
221 const char *de_name;
222 uu_list_node_t de_link;
223 } dict_entry_t;
224
225 extern dictionary_t *dictionary;
226
227 typedef struct timeout_queue {
228 uu_list_t *tq_list;
229 pthread_mutex_t tq_lock;
230 } timeout_queue_t;
231
232 typedef struct timeout_entry {
233 hrtime_t te_timeout; /* timeout expiration time */
234 ctid_t te_ctid;
235 char *te_fmri;
236 char *te_logstem;
237 volatile int te_fired;
238 uu_list_node_t te_link;
239 } timeout_entry_t;
240
241 extern timeout_queue_t *timeouts;
242
243 /*
244 * State definitions.
245 */
246 typedef enum {
247 STATE_NONE = 0x0,
248 STATE_UNINIT,
249 STATE_MAINT,
250 STATE_OFFLINE,
251 STATE_DISABLED,
252 STATE_ONLINE,
253 STATE_DEGRADED
254 } instance_state_t;
255
256 #define STATE_MAX (STATE_DEGRADED + 1)
257
258 extern const char * const instance_state_str[STATE_MAX];
259
260 typedef enum {
261 GVT_UNSUPPORTED = -1,
262 GVT_UNKNOWN = 0,
263 GVT_SVC, /* service */
264 GVT_INST, /* instance */
265 GVT_FILE, /* file: */
266 GVT_GROUP /* dependency group */
267 } gv_type_t;
268
269 typedef enum {
270 DEPGRP_UNSUPPORTED = -1,
271 DEPGRP_REQUIRE_ANY = 1,
272 DEPGRP_REQUIRE_ALL,
273 DEPGRP_EXCLUDE_ALL,
274 DEPGRP_OPTIONAL_ALL
275 } depgroup_type_t;
276
277 typedef enum {
278 METHOD_RESTART_UNKNOWN = -1,
279 METHOD_RESTART_ALL = 0,
280 METHOD_RESTART_EXTERNAL_FAULT,
281 METHOD_RESTART_ANY_FAULT,
282 METHOD_RESTART_OTHER
283 } method_restart_t;
284
285 typedef enum {
286 PROPAGATE_START,
287 PROPAGATE_STOP,
288 PROPAGATE_SAT
289 } propagate_event_t;
290
291 /*
292 * Graph representation.
293 */
294 #define GV_CONFIGURED 0x01 /* Service exists in repository, ready */
295 #define GV_ENABLED 0x02 /* Service should be online */
296 #define GV_ENBLD_NOOVR 0x04 /* GV_ENABLED, ignoring override */
297 #define GV_INSUBGRAPH 0x08 /* Current milestone depends on service */
298 #define GV_DEATHROW 0x10 /* Service is on deathrow */
299 #define GV_TOOFFLINE 0x20 /* Services in subtree to offline */
300 #define GV_TODISABLE 0x40 /* Services in subtree to disable */
301
302 /* ID must come first to support search */
303 typedef struct graph_vertex {
304 int gv_id;
305 char *gv_name;
306 uu_list_node_t gv_link;
307
308 uint_t gv_flags;
309 restarter_instance_state_t gv_state;
310
311 gv_type_t gv_type;
312
313 depgroup_type_t gv_depgroup;
314 restarter_error_t gv_restart;
315
316 void (*gv_start_f)(struct graph_vertex *);
317 void (*gv_post_online_f)(void);
318 void (*gv_post_disable_f)(void);
319
320 int gv_restarter_id;
321 evchan_t *gv_restarter_channel;
322
323 int gv_delegate_initialized;
324 evchan_t *gv_delegate_channel;
325
326 uu_list_t *gv_dependencies;
327 uu_list_t *gv_dependents;
328
329 /*
330 * gv_refs represents the number of references besides dependencies.
331 * The vertex cannot be removed when gv_refs > 0.
332 *
333 * Currently, only relevant for GVT_SVC and GVT_INST type vertices.
334 */
335 int gv_refs;
336
337 int32_t gv_stn_tset;
338 int32_t gv_reason;
339 } graph_vertex_t;
340
341 typedef struct graph_edge {
342 graph_vertex_t *ge_vertex;
343 uu_list_node_t ge_link;
344 graph_vertex_t *ge_parent;
345 } graph_edge_t;
346
347 int libscf_get_info_events_all(scf_propertygroup_t *);
348 int32_t libscf_get_stn_tset(scf_instance_t *);
349
350 /*
351 * Restarter transition outcomes
352 */
353 typedef enum {
354 MAINT_REQUESTED,
355 START_REQUESTED,
356 START_FAILED_REPEATEDLY,
357 START_FAILED_CONFIGURATION,
358 START_FAILED_FATAL,
359 START_FAILED_TIMEOUT_FATAL,
360 START_FAILED_OTHER
361 } start_outcome_t;
362
363 typedef void (*instance_hook_t)(void);
364
365 typedef struct service_hook_assn {
366 char *sh_fmri;
367 instance_hook_t sh_pre_online_hook;
368 instance_hook_t sh_post_online_hook;
369 instance_hook_t sh_post_offline_hook;
370 } service_hook_assn_t;
371
372 /*
373 * Restarter instance stop reasons.
374 */
375 typedef enum {
376 RSTOP_EXIT = 0x0, /* exited or empty */
377 RSTOP_CORE, /* core dumped */
378 RSTOP_SIGNAL, /* external fatal signal received */
379 RSTOP_HWERR, /* uncorrectable hardware error */
380 RSTOP_DEPENDENCY, /* dependency activity caused stop */
381 RSTOP_DISABLE, /* disabled */
382 RSTOP_RESTART, /* restart requested */
383 RSTOP_ERR_CFG, /* wait svc exited with a config. error */
384 RSTOP_ERR_EXIT /* wait svc exited with an error */
385 } stop_cause_t;
386
387 /*
388 * Restarter instance maintenance clear reasons.
389 */
390 typedef enum {
391 RUNMAINT_CLEAR = 0x0,
392 RUNMAINT_DISABLE
393 } unmaint_cause_t;
394
395 /*
396 * Restarter instance flags
397 */
398 #define RINST_CONTRACT 0x00000000 /* progeny constitute inst */
399 #define RINST_TRANSIENT 0x10000000 /* inst operates momentarily */
400 #define RINST_WAIT 0x20000000 /* child constitutes inst */
401 #define RINST_STYLE_MASK 0xf0000000
402
403 #define RINST_RETAKE_RUNNING 0x01000000 /* pending running snapshot */
404 #define RINST_RETAKE_START 0x02000000 /* pending start snapshot */
405
406 #define RINST_RETAKE_MASK 0x0f000000
407
408 #define RINST_START_TIMES 5 /* failures to consider */
409 #define RINST_FAILURE_RATE_NS 600000000000LL /* 1 failure/10 minutes */
410 #define RINST_WT_SVC_FAILURE_RATE_NS NANOSEC /* 1 failure/second */
411
412 /* Number of events in the queue when we start dropping ADMIN events. */
413 #define RINST_QUEUE_THRESHOLD 100
414
415 typedef struct restarter_inst {
416 int ri_id;
417 instance_data_t ri_i;
418 char *ri_common_name; /* template localized name */
419 char *ri_C_common_name; /* C locale name */
420
421 char *ri_logstem; /* logfile name */
422 char *ri_utmpx_prefix;
423 uint_t ri_flags;
424 instance_hook_t ri_pre_online_hook;
425 instance_hook_t ri_post_online_hook;
426 instance_hook_t ri_post_offline_hook;
427
428 hrtime_t ri_start_time[RINST_START_TIMES];
429 uint_t ri_start_index; /* times started */
430
431 uu_list_node_t ri_link;
432 pthread_mutex_t ri_lock;
433
434 /*
435 * When we start a thread to we execute a method for this instance, we
436 * put the thread id in ri_method_thread. Threads with ids other than
437 * this which acquire ri_lock while ri_method_thread is nonzero should
438 * wait on ri_method_cv. ri_method_waiters should be incremented while
439 * waiting so the instance won't be deleted.
440 */
441 pthread_t ri_method_thread;
442 pthread_cond_t ri_method_cv;
443 uint_t ri_method_waiters;
444
445 /*
446 * These fields are provided so functions can operate on this structure
447 * and the repository without worrying about whether the instance has
448 * been deleted from the repository (this is possible because
449 * ri_i.i_fmri names the instance this structure represents -- see
450 * libscf_reget_inst()). ri_m_inst is the scf_instance_t for the
451 * instance, and ri_mi_deleted is true if the instance has been deleted.
452 */
453 scf_instance_t *ri_m_inst;
454 boolean_t ri_mi_deleted;
455
456 /*
457 * We maintain a pointer to any pending timeout for this instance
458 * for quick reference/deletion.
459 */
460 timeout_entry_t *ri_timeout;
461
462 /*
463 * Instance event queue. Graph events are queued here as a list
464 * of restarter_instance_qentry_t's, and the lock is held separately.
465 * If both ri_lock and ri_queue_lock are grabbed, ri_lock must be
466 * grabbed first. ri_queue_lock protects all ri_queue_* structure
467 * members.
468 */
469 pthread_mutex_t ri_queue_lock;
470 pthread_cond_t ri_queue_cv;
471 uu_list_t *ri_queue;
472 int ri_queue_thread;
473
474 } restarter_inst_t;
475
476 typedef struct restarter_instance_list {
477 uu_list_t *ril_instance_list;
478 pthread_mutex_t ril_lock;
479 } restarter_instance_list_t;
480
481 typedef struct restarter_instance_qentry {
482 restarter_event_type_t riq_type;
483 int32_t riq_reason;
484 uu_list_node_t riq_link;
485 } restarter_instance_qentry_t;
486
487 typedef struct fork_info {
488 int sf_id;
489 int sf_method_type;
490 restarter_error_t sf_event_type;
491 restarter_str_t sf_reason;
492 } fork_info_t;
493
494 typedef struct wait_info {
495 uu_list_node_t wi_link;
496
497 int wi_fd; /* psinfo file descriptor */
498 id_t wi_pid; /* process ID */
499 const char *wi_fmri; /* instance FMRI */
500 int wi_parent; /* startd is parent */
501 int wi_ignore; /* ignore events */
502 } wait_info_t;
503
504 #define STARTD_LOG_FILE 0x1
505 #define STARTD_LOG_TERMINAL 0x2
506 #define STARTD_LOG_SYSLOG 0x4
507
508 #define STARTD_BOOT_QUIET 0x1
509 #define STARTD_BOOT_VERBOSE 0x2
510
511 /*
512 * Internal debug flags used to reduce the amount of data sent to the
513 * internal debug buffer. They can be turned on & off dynamically using
514 * internal_debug_flags variable in mdb. By default, they're off.
515 */
516 #define DEBUG_DEPENDENCIES 0x1
517
518 typedef struct startd_state {
519 /* Logging configuration */
520 char *st_log_prefix; /* directory prefix */
521 char *st_log_file; /* startd file in above dir */
522 uint_t st_log_flags; /* message destination */
523 int st_log_level_min; /* minimum required to log */
524 int st_log_timezone_known; /* timezone is available */
525 int st_log_locale_known; /* locale is available */
526 int st_log_login_reached; /* login service reached */
527
528 /* Boot configuration */
529 uint_t st_boot_flags; /* serial boot, etc. */
530 uint_t st_initial; /* first startd on system */
531
532 /* System configuration */
533 char *st_subgraph; /* milestone subgraph request */
534
535 uint_t st_load_complete; /* graph load completed */
536 uint_t st_load_instances; /* restarter instances to load */
537 pthread_mutex_t st_load_lock;
538 pthread_cond_t st_load_cv;
539
540 /* Repository configuration */
541 pid_t st_configd_pid; /* PID of our svc.configd */
542 /* instance */
543 int st_configd_lives; /* configd started */
544 pthread_mutex_t st_configd_live_lock;
545 pthread_cond_t st_configd_live_cv;
546
547 char *st_door_path;
548
549 /* General information */
550 uint_t st_flags;
551 struct timeval st_start_time; /* effective system start time */
552 char *st_locale;
553 } startd_state_t;
554
555 extern startd_state_t *st;
556
557 extern boolean_t booting_to_single_user;
558
559 extern const char *event_names[];
560
561 /*
562 * Structures for contract to instance hash table, implemented in
563 * contract.c and used by restarter.c and method.c
564 */
565 typedef struct contract_entry {
566 ctid_t ce_ctid;
567 int ce_instid;
568
569 uu_list_node_t ce_link;
570 } contract_entry_t;
571
572 extern volatile uint16_t storing_contract;
573
574 uu_list_pool_t *contract_list_pool;
575
576 /* contract.c */
577 ctid_t contract_init(void);
578 void contract_abandon(ctid_t);
579 int contract_kill(ctid_t, int, const char *);
580 int contract_is_empty(ctid_t);
581 void contract_hash_init();
582 void contract_hash_store(ctid_t, int);
583 void contract_hash_remove(ctid_t);
584 int lookup_inst_by_contract(ctid_t);
585
586 /* dict.c */
587 void dict_init(void);
588 int dict_lookup_byname(const char *);
589 int dict_insert(const char *);
590
591 /* expand.c */
592 int expand_method_tokens(const char *, scf_instance_t *,
593 scf_snapshot_t *, int, char **);
594
595 /* env.c */
596 void init_env(void);
597 char **set_smf_env(char **, size_t, const char *,
598 const restarter_inst_t *, const char *);
599
600 /* file.c */
601 int file_ready(graph_vertex_t *);
602
603 /* fork.c */
604 int fork_mount(char *, char *);
605 void fork_sulogin(boolean_t, const char *, ...);
606 void fork_rc_script(char, const char *, boolean_t);
607
608 void *fork_configd_thread(void *);
609
610 pid_t startd_fork1(int *);
611 void fork_with_timeout(const char *, uint_t, uint_t);
612 void fork_emi();
613
614 /* graph.c */
615 void graph_init(void);
616 void *single_user_thread(void *);
617 void *graph_thread(void *);
618 void *graph_event_thread(void *);
619 void *repository_event_thread(void *);
620 int dgraph_add_instance(const char *, scf_instance_t *, boolean_t);
621 void graph_engine_start(void);
622 void graph_enable_by_vertex(graph_vertex_t *, int, int);
623 int refresh_vertex(graph_vertex_t *, scf_instance_t *);
624 void vertex_send_event(graph_vertex_t *, restarter_event_type_t);
625 void graph_start_if_satisfied(graph_vertex_t *);
626 int vertex_subgraph_dependencies_shutdown(scf_handle_t *, graph_vertex_t *,
627 restarter_instance_state_t);
628 void graph_transition_sulogin(restarter_instance_state_t,
629 restarter_instance_state_t);
630 void graph_transition_propagate(graph_vertex_t *, propagate_event_t,
631 restarter_error_t);
632 void graph_offline_subtree_leaves(graph_vertex_t *, void *);
633 void offline_vertex(graph_vertex_t *);
634
635 /* libscf.c - common */
636 char *inst_fmri_to_svc_fmri(const char *);
637 void *libscf_object_create(void *(*)(scf_handle_t *), scf_handle_t *);
638 int libscf_instance_get_fmri(scf_instance_t *, char **);
639 int libscf_fmri_get_instance(scf_handle_t *, const char *, scf_instance_t **);
640 int libscf_lookup_instance(const char *, scf_instance_t *);
641 int libscf_set_reconfig(int);
642 scf_snapshot_t *libscf_get_or_make_running_snapshot(scf_instance_t *,
643 const char *, boolean_t);
644 int libscf_inst_set_count_prop(scf_instance_t *, const char *,
645 const char *pgtype, uint32_t, const char *, uint64_t);
646
647 /* libscf.c - used by graph.c */
648 int libscf_get_deathrow(scf_handle_t *, scf_instance_t *, int *);
649 int libscf_get_basic_instance_data(scf_handle_t *, scf_instance_t *,
650 const char *, int *, int *, char **);
651 int libscf_inst_get_or_add_pg(scf_instance_t *, const char *, const char *,
652 uint32_t, scf_propertygroup_t *);
653 int libscf_read_states(const scf_propertygroup_t *,
654 restarter_instance_state_t *, restarter_instance_state_t *);
655 int depgroup_empty(scf_handle_t *, scf_propertygroup_t *);
656 gv_type_t depgroup_read_scheme(scf_handle_t *, scf_propertygroup_t *);
657 depgroup_type_t depgroup_read_grouping(scf_handle_t *, scf_propertygroup_t *);
658 restarter_error_t depgroup_read_restart(scf_handle_t *, scf_propertygroup_t *);
659 int libscf_set_enable_ovr(scf_instance_t *, int);
660 int libscf_set_deathrow(scf_instance_t *, int);
661 int libscf_delete_enable_ovr(scf_instance_t *);
662 int libscf_get_milestone(scf_instance_t *, scf_property_t *, scf_value_t *,
663 char *, size_t);
664 int libscf_extract_runlevel(scf_property_t *, char *);
665 int libscf_clear_runlevel(scf_propertygroup_t *, const char *milestone);
666
667 typedef int (*callback_t)(void *, void *);
668
669 int walk_dependency_pgs(scf_instance_t *, callback_t, void *);
670 int walk_property_astrings(scf_property_t *, callback_t, void *);
671 void libscf_reset_start_times(restarter_inst_t *, int);
672
673 /* libscf.c - used by restarter.c/method.c/expand.c */
674 char *libscf_get_method(scf_handle_t *, int, restarter_inst_t *,
675 scf_snapshot_t *, method_restart_t *, uint_t *, uint8_t *, uint64_t *,
676 uint8_t *);
677 void libscf_populate_graph(scf_handle_t *h);
678 int update_fault_count(restarter_inst_t *, int);
679 int libscf_unset_action(scf_handle_t *, scf_propertygroup_t *, admin_action_t,
680 int64_t);
681 int libscf_get_startd_properties(scf_instance_t *, scf_snapshot_t *, uint_t *,
682 char **);
683 int libscf_get_template_values(scf_instance_t *, scf_snapshot_t *, char **,
684 char **);
685
686 int libscf_read_method_ids(scf_handle_t *, scf_instance_t *, const char *,
687 ctid_t *, ctid_t *, pid_t *);
688 int libscf_write_start_pid(scf_instance_t *, pid_t);
689 int libscf_write_method_status(scf_instance_t *, const char *, int);
690 int libscf_note_method_log(scf_instance_t *, const char *, const char *);
691
692 scf_handle_t *libscf_handle_create_bound(scf_version_t);
693 void libscf_handle_rebind(scf_handle_t *);
694 scf_handle_t *libscf_handle_create_bound_loop(void);
695
696 scf_snapshot_t *libscf_get_running_snapshot(scf_instance_t *);
697 int libscf_snapshots_poststart(scf_handle_t *, const char *, boolean_t);
698 int libscf_snapshots_refresh(scf_instance_t *, const char *);
699
700 int instance_is_transient_style(restarter_inst_t *);
701 int instance_is_wait_style(restarter_inst_t *);
702
703 int libscf_create_self(scf_handle_t *);
704
705 void libscf_reget_instance(restarter_inst_t *);
706
707 /* log.c */
708 void log_init();
709 void log_error(int, const char *, ...);
710 void log_framework(int, const char *, ...);
711 void log_framework2(int, int, const char *, ...);
712 void log_console(int, const char *, ...);
713 void log_preexec(void);
714 void setlog(const char *);
715 void log_transition(const restarter_inst_t *, start_outcome_t);
716 void log_instance(const restarter_inst_t *, boolean_t, const char *, ...);
717 void log_instance_fmri(const char *, const char *, boolean_t,
718 const char *, ...);
719
720 /* method.c */
721 void *method_thread(void *);
722 void method_remove_contract(restarter_inst_t *, boolean_t, boolean_t);
723 int method_rate_critical(restarter_inst_t *);
724
725 /* misc.c */
726 void startd_close(int);
727 void startd_fclose(FILE *);
728 int fmri_canonify(const char *, char **, boolean_t);
729 int fs_is_read_only(char *, ulong_t *);
730 int fs_remount(char *);
731 void xstr_sanitize(char *);
732
733 /* restarter.c */
734 void restarter_init(void);
735 void restarter_start(void);
736 int instance_in_transition(restarter_inst_t *);
737 int restarter_instance_update_states(scf_handle_t *, restarter_inst_t *,
738 restarter_instance_state_t, restarter_instance_state_t, restarter_error_t,
739 restarter_str_t);
740 int stop_instance_fmri(scf_handle_t *, const char *, uint_t);
741 restarter_inst_t *inst_lookup_by_id(int);
742 void restarter_mark_pending_snapshot(const char *, uint_t);
743 void *restarter_post_fsminimal_thread(void *);
744 void timeout_insert(restarter_inst_t *, ctid_t, uint64_t);
745 void timeout_remove(restarter_inst_t *, ctid_t);
746 void timeout_init(void);
747 int is_timeout_ovr(restarter_inst_t *);
748
749 /* startd.c */
750 void *safe_realloc(void *, size_t);
751 char *safe_strdup(const char *s);
752 void *startd_alloc_retry(void *(*)(size_t, int), size_t);
753 void startd_free(void *, size_t);
754 uu_list_pool_t *startd_list_pool_create(const char *, size_t, size_t,
755 uu_compare_fn_t *, uint32_t);
756 uu_list_t *startd_list_create(uu_list_pool_t *, void *, uint32_t);
757 pthread_t startd_thread_create(void *(*)(void *), void *);
758
759 /* special.c */
760 void special_null_transition(void);
761 void special_online_hooks_get(const char *, instance_hook_t *,
762 instance_hook_t *, instance_hook_t *);
763
764 /* transition.c */
765 int gt_transition(scf_handle_t *, graph_vertex_t *, restarter_error_t,
766 restarter_instance_state_t);
767
768 /* utmpx.c */
769 void utmpx_init(void);
770 void utmpx_clear_old(void);
771 int utmpx_mark_init(pid_t, char *);
772 void utmpx_mark_dead(pid_t, int, boolean_t);
773 char utmpx_get_runlevel(void);
774 void utmpx_set_runlevel(char, char, boolean_t);
775 void utmpx_write_boottime(void);
776 void utmpx_prefork(void);
777 void utmpx_postfork(void);
778
779 /* wait.c */
780 void wait_init(void);
781 void wait_prefork(void);
782 void wait_postfork(pid_t);
783 int wait_register(pid_t, const char *, int, int);
784 void *wait_thread(void *);
785 void wait_ignore_by_fmri(const char *);
786
787 /* proc.c */
788 ctid_t proc_get_ctid();
789
790 /* deathrow.c */
791 extern void deathrow_init();
792 extern void deathrow_fini();
793 extern boolean_t is_fmri_in_deathrow(const char *);
794
795 #ifdef __cplusplus
796 }
797 #endif
798
799 #endif /* _STARTD_H */