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