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 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 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 } graph_vertex_t; 337 338 typedef struct graph_edge { 339 graph_vertex_t *ge_vertex; 340 uu_list_node_t ge_link; 341 graph_vertex_t *ge_parent; 342 } graph_edge_t; 343 344 /* 345 * Restarter transition outcomes 346 */ 347 typedef enum { 348 MAINT_REQUESTED, 349 START_REQUESTED, 350 START_FAILED_REPEATEDLY, 351 START_FAILED_CONFIGURATION, 352 START_FAILED_FATAL, 353 START_FAILED_TIMEOUT_FATAL, 354 START_FAILED_OTHER 355 } start_outcome_t; 356 357 typedef void (*instance_hook_t)(void); 358 359 typedef struct service_hook_assn { 360 char *sh_fmri; 361 instance_hook_t sh_pre_online_hook; 362 instance_hook_t sh_post_online_hook; 363 instance_hook_t sh_post_offline_hook; 364 } service_hook_assn_t; 365 366 /* 367 * Restarter instance stop reasons. 368 */ 369 typedef enum { 370 RSTOP_EXIT = 0x0, /* exited or empty */ 371 RSTOP_CORE, /* core dumped */ 372 RSTOP_SIGNAL, /* external fatal signal received */ 373 RSTOP_HWERR, /* uncorrectable hardware error */ 374 RSTOP_DEPENDENCY, /* dependency activity caused stop */ 375 RSTOP_DISABLE, /* disabled */ 376 RSTOP_RESTART /* restart requested */ 377 } stop_cause_t; 378 379 /* 380 * Restarter instance maintenance clear reasons. 381 */ 382 typedef enum { 383 RUNMAINT_CLEAR = 0x0, 384 RUNMAINT_DISABLE 385 } unmaint_cause_t; 386 387 /* 388 * Restarter instance flags 389 */ 390 #define RINST_CONTRACT 0x00000000 /* progeny constitute inst */ 391 #define RINST_TRANSIENT 0x10000000 /* inst operates momentarily */ 392 #define RINST_WAIT 0x20000000 /* child constitutes inst */ 393 #define RINST_STYLE_MASK 0xf0000000 394 395 #define RINST_RETAKE_RUNNING 0x01000000 /* pending running snapshot */ 396 #define RINST_RETAKE_START 0x02000000 /* pending start snapshot */ 397 398 #define RINST_RETAKE_MASK 0x0f000000 399 400 #define RINST_START_TIMES 5 /* failures to consider */ 401 #define RINST_FAILURE_RATE_NS 600000000000LL /* 1 failure/10 minutes */ 402 403 /* Number of events in the queue when we start dropping ADMIN events. */ 404 #define RINST_QUEUE_THRESHOLD 100 405 406 typedef struct restarter_inst { 407 int ri_id; 408 instance_data_t ri_i; 409 char *ri_common_name; /* template localized name */ 410 char *ri_C_common_name; /* C locale name */ 411 412 char *ri_logstem; /* logfile name */ 413 char *ri_utmpx_prefix; 414 uint_t ri_flags; 415 instance_hook_t ri_pre_online_hook; 416 instance_hook_t ri_post_online_hook; 417 instance_hook_t ri_post_offline_hook; 418 419 hrtime_t ri_start_time[RINST_START_TIMES]; 420 uint_t ri_start_index; /* times started */ 421 422 uu_list_node_t ri_link; 423 pthread_mutex_t ri_lock; 424 425 /* 426 * When we start a thread to we execute a method for this instance, we 427 * put the thread id in ri_method_thread. Threads with ids other than 428 * this which acquire ri_lock while ri_method_thread is nonzero should 429 * wait on ri_method_cv. ri_method_waiters should be incremented while 430 * waiting so the instance won't be deleted. 431 */ 432 pthread_t ri_method_thread; 433 pthread_cond_t ri_method_cv; 434 uint_t ri_method_waiters; 435 436 /* 437 * These fields are provided so functions can operate on this structure 438 * and the repository without worrying about whether the instance has 439 * been deleted from the repository (this is possible because 440 * ri_i.i_fmri names the instance this structure represents -- see 441 * libscf_reget_inst()). ri_m_inst is the scf_instance_t for the 442 * instance, and ri_mi_deleted is true if the instance has been deleted. 443 */ 444 scf_instance_t *ri_m_inst; 445 boolean_t ri_mi_deleted; 446 447 /* 448 * We maintain a pointer to any pending timeout for this instance 449 * for quick reference/deletion. 450 */ 451 timeout_entry_t *ri_timeout; 452 453 /* 454 * Instance event queue. Graph events are queued here as a list 455 * of restarter_instance_qentry_t's, and the lock is held separately. 456 * If both ri_lock and ri_queue_lock are grabbed, ri_lock must be 457 * grabbed first. ri_queue_lock protects all ri_queue_* structure 458 * members. 459 */ 460 pthread_mutex_t ri_queue_lock; 461 pthread_cond_t ri_queue_cv; 462 uu_list_t *ri_queue; 463 int ri_queue_thread; 464 465 } restarter_inst_t; 466 467 typedef struct restarter_instance_list { 468 uu_list_t *ril_instance_list; 469 pthread_mutex_t ril_lock; 470 } restarter_instance_list_t; 471 472 typedef struct restarter_instance_qentry { 473 restarter_event_type_t riq_type; 474 uu_list_node_t riq_link; 475 } restarter_instance_qentry_t; 476 477 typedef struct fork_info { 478 int sf_id; 479 int sf_method_type; 480 restarter_error_t sf_event_type; 481 } fork_info_t; 482 483 typedef struct wait_info { 484 uu_list_node_t wi_link; 485 486 int wi_fd; /* psinfo file descriptor */ 487 id_t wi_pid; /* process ID */ 488 const char *wi_fmri; /* instance FMRI */ 489 int wi_parent; /* startd is parent */ 490 int wi_ignore; /* ignore events */ 491 } wait_info_t; 492 493 #define STARTD_LOG_FILE 0x1 494 #define STARTD_LOG_TERMINAL 0x2 495 #define STARTD_LOG_SYSLOG 0x4 496 497 #define STARTD_BOOT_QUIET 0x1 498 #define STARTD_BOOT_VERBOSE 0x2 499 500 /* 501 * Internal debug flags used to reduce the amount of data sent to the 502 * internal debug buffer. They can be turned on & off dynamically using 503 * internal_debug_flags variable in mdb. By default, they're off. 504 */ 505 #define DEBUG_DEPENDENCIES 0x1 506 507 typedef struct startd_state { 508 /* Logging configuration */ 509 char *st_log_prefix; /* directory prefix */ 510 char *st_log_file; /* startd file in above dir */ 511 uint_t st_log_flags; /* message destination */ 512 int st_log_level_min; /* minimum required to log */ 513 int st_log_timezone_known; /* timezone is available */ 514 int st_log_locale_known; /* locale is available */ 515 int st_log_login_reached; /* login service reached */ 516 517 /* Boot configuration */ 518 uint_t st_boot_flags; /* serial boot, etc. */ 519 uint_t st_initial; /* first startd on system */ 520 521 /* System configuration */ 522 char *st_subgraph; /* milestone subgraph request */ 523 524 uint_t st_load_complete; /* graph load completed */ 525 uint_t st_load_instances; /* restarter instances to load */ 526 pthread_mutex_t st_load_lock; 527 pthread_cond_t st_load_cv; 528 529 /* Repository configuration */ 530 pid_t st_configd_pid; /* PID of our svc.configd */ 531 /* instance */ 532 int st_configd_lives; /* configd started */ 533 pthread_mutex_t st_configd_live_lock; 534 pthread_cond_t st_configd_live_cv; 535 536 char *st_door_path; 537 538 /* General information */ 539 uint_t st_flags; 540 struct timeval st_start_time; /* effective system start time */ 541 char *st_locale; 542 } startd_state_t; 543 544 extern startd_state_t *st; 545 546 extern boolean_t booting_to_single_user; 547 548 extern const char *event_names[]; 549 550 /* 551 * Structures for contract to instance hash table, implemented in 552 * contract.c and used by restarter.c and method.c 553 */ 554 typedef struct contract_entry { 555 ctid_t ce_ctid; 556 int ce_instid; 557 558 uu_list_node_t ce_link; 559 } contract_entry_t; 560 561 extern volatile uint16_t storing_contract; 562 563 uu_list_pool_t *contract_list_pool; 564 565 /* contract.c */ 566 ctid_t contract_init(void); 567 void contract_abandon(ctid_t); 568 int contract_kill(ctid_t, int, const char *); 569 int contract_is_empty(ctid_t); 570 void contract_hash_init(); 571 void contract_hash_store(ctid_t, int); 572 void contract_hash_remove(ctid_t); 573 int lookup_inst_by_contract(ctid_t); 574 575 /* dict.c */ 576 void dict_init(void); 577 int dict_lookup_byname(const char *); 578 int dict_insert(const char *); 579 580 /* expand.c */ 581 int expand_method_tokens(const char *, scf_instance_t *, 582 scf_snapshot_t *, int, char **); 583 584 /* env.c */ 585 void init_env(void); 586 char **set_smf_env(char **, size_t, const char *, 587 const restarter_inst_t *, const char *); 588 589 /* file.c */ 590 int file_ready(graph_vertex_t *); 591 592 /* fork.c */ 593 int fork_mount(char *, char *); 594 void fork_sulogin(boolean_t, const char *, ...); 595 void fork_rc_script(char, const char *, boolean_t); 596 597 void *fork_configd_thread(void *); 598 599 pid_t startd_fork1(int *); 600 void fork_with_timeout(const char *, uint_t, uint_t); 601 void fork_emi(); 602 603 /* graph.c */ 604 void graph_init(void); 605 void *single_user_thread(void *); 606 void *graph_thread(void *); 607 void *graph_event_thread(void *); 608 void *repository_event_thread(void *); 609 int dgraph_add_instance(const char *, scf_instance_t *, boolean_t); 610 void graph_engine_start(void); 611 void graph_enable_by_vertex(graph_vertex_t *, int, int); 612 int refresh_vertex(graph_vertex_t *, scf_instance_t *); 613 void vertex_send_event(graph_vertex_t *, restarter_event_type_t); 614 void graph_start_if_satisfied(graph_vertex_t *); 615 int vertex_subgraph_dependencies_shutdown(scf_handle_t *, graph_vertex_t *, 616 restarter_instance_state_t); 617 void graph_transition_sulogin(restarter_instance_state_t, 618 restarter_instance_state_t); 619 void graph_transition_propagate(graph_vertex_t *, propagate_event_t, 620 restarter_error_t); 621 void graph_offline_subtree_leaves(graph_vertex_t *, void *); 622 void offline_vertex(graph_vertex_t *); 623 624 /* libscf.c - common */ 625 char *inst_fmri_to_svc_fmri(const char *); 626 void *libscf_object_create(void *(*)(scf_handle_t *), scf_handle_t *); 627 int libscf_instance_get_fmri(scf_instance_t *, char **); 628 int libscf_fmri_get_instance(scf_handle_t *, const char *, scf_instance_t **); 629 int libscf_lookup_instance(const char *, scf_instance_t *); 630 int libscf_set_reconfig(int); 631 scf_snapshot_t *libscf_get_or_make_running_snapshot(scf_instance_t *, 632 const char *, boolean_t); 633 int libscf_inst_set_count_prop(scf_instance_t *, const char *, 634 const char *pgtype, uint32_t, const char *, uint64_t); 635 636 /* libscf.c - used by graph.c */ 637 int libscf_get_deathrow(scf_handle_t *, scf_instance_t *, int *); 638 int libscf_get_basic_instance_data(scf_handle_t *, scf_instance_t *, 639 const char *, int *, int *, char **); 640 int libscf_inst_get_or_add_pg(scf_instance_t *, const char *, const char *, 641 uint32_t, scf_propertygroup_t *); 642 int libscf_read_states(const scf_propertygroup_t *, 643 restarter_instance_state_t *, restarter_instance_state_t *); 644 int depgroup_empty(scf_handle_t *, scf_propertygroup_t *); 645 gv_type_t depgroup_read_scheme(scf_handle_t *, scf_propertygroup_t *); 646 depgroup_type_t depgroup_read_grouping(scf_handle_t *, scf_propertygroup_t *); 647 restarter_error_t depgroup_read_restart(scf_handle_t *, scf_propertygroup_t *); 648 int libscf_set_enable_ovr(scf_instance_t *, int); 649 int libscf_set_deathrow(scf_instance_t *, int); 650 int libscf_delete_enable_ovr(scf_instance_t *); 651 int libscf_get_milestone(scf_instance_t *, scf_property_t *, scf_value_t *, 652 char *, size_t); 653 int libscf_extract_runlevel(scf_property_t *, char *); 654 int libscf_clear_runlevel(scf_propertygroup_t *, const char *milestone); 655 656 typedef int (*callback_t)(void *, void *); 657 658 int walk_dependency_pgs(scf_instance_t *, callback_t, void *); 659 int walk_property_astrings(scf_property_t *, callback_t, void *); 660 void libscf_reset_start_times(restarter_inst_t *, int); 661 662 /* libscf.c - used by restarter.c/method.c/expand.c */ 663 char *libscf_get_method(scf_handle_t *, int, restarter_inst_t *, 664 scf_snapshot_t *, method_restart_t *, uint_t *, uint8_t *, uint64_t *, 665 uint8_t *); 666 void libscf_populate_graph(scf_handle_t *h); 667 int update_fault_count(restarter_inst_t *, int); 668 int libscf_unset_action(scf_handle_t *, scf_propertygroup_t *, admin_action_t, 669 int64_t); 670 int libscf_get_startd_properties(scf_instance_t *, scf_snapshot_t *, uint_t *, 671 char **); 672 int libscf_get_template_values(scf_instance_t *, scf_snapshot_t *, char **, 673 char **); 674 675 int libscf_read_method_ids(scf_handle_t *, scf_instance_t *, const char *, 676 ctid_t *, ctid_t *, pid_t *); 677 int libscf_write_start_pid(scf_instance_t *, pid_t); 678 int libscf_write_method_status(scf_instance_t *, const char *, int); 679 int libscf_note_method_log(scf_instance_t *, const char *, const char *); 680 681 scf_handle_t *libscf_handle_create_bound(scf_version_t); 682 void libscf_handle_rebind(scf_handle_t *); 683 scf_handle_t *libscf_handle_create_bound_loop(void); 684 685 scf_snapshot_t *libscf_get_running_snapshot(scf_instance_t *); 686 int libscf_snapshots_poststart(scf_handle_t *, const char *, boolean_t); 687 int libscf_snapshots_refresh(scf_instance_t *, const char *); 688 689 int instance_is_transient_style(restarter_inst_t *); 690 int instance_is_wait_style(restarter_inst_t *); 691 692 int libscf_create_self(scf_handle_t *); 693 694 void libscf_reget_instance(restarter_inst_t *); 695 696 /* log.c */ 697 void log_init(); 698 void log_error(int, const char *, ...); 699 void log_framework(int, const char *, ...); 700 void log_framework2(int, int, const char *, ...); 701 void log_console(int, const char *, ...); 702 void log_preexec(void); 703 void setlog(const char *); 704 void log_transition(const restarter_inst_t *, start_outcome_t); 705 void log_instance(const restarter_inst_t *, boolean_t, const char *, ...); 706 void log_instance_fmri(const char *, const char *, boolean_t, 707 const char *, ...); 708 709 /* method.c */ 710 void *method_thread(void *); 711 void method_remove_contract(restarter_inst_t *, boolean_t, boolean_t); 712 713 /* misc.c */ 714 void startd_close(int); 715 void startd_fclose(FILE *); 716 int fmri_canonify(const char *, char **, boolean_t); 717 int fs_is_read_only(char *, ulong_t *); 718 int fs_remount(char *); 719 void xstr_sanitize(char *); 720 721 /* restarter.c */ 722 void restarter_init(void); 723 void restarter_start(void); 724 int instance_in_transition(restarter_inst_t *); 725 int restarter_instance_update_states(scf_handle_t *, restarter_inst_t *, 726 restarter_instance_state_t, restarter_instance_state_t, restarter_error_t, 727 char *); 728 int stop_instance_fmri(scf_handle_t *, const char *, uint_t); 729 restarter_inst_t *inst_lookup_by_id(int); 730 void restarter_mark_pending_snapshot(const char *, uint_t); 731 void *restarter_post_fsminimal_thread(void *); 732 void timeout_insert(restarter_inst_t *, ctid_t, uint64_t); 733 void timeout_remove(restarter_inst_t *, ctid_t); 734 void timeout_init(void); 735 int is_timeout_ovr(restarter_inst_t *); 736 737 /* startd.c */ 738 void *safe_realloc(void *, size_t); 739 char *safe_strdup(const char *s); 740 void *startd_alloc_retry(void *(*)(size_t, int), size_t); 741 void startd_free(void *, size_t); 742 uu_list_pool_t *startd_list_pool_create(const char *, size_t, size_t, 743 uu_compare_fn_t *, uint32_t); 744 uu_list_t *startd_list_create(uu_list_pool_t *, void *, uint32_t); 745 pthread_t startd_thread_create(void *(*)(void *), void *); 746 747 /* special.c */ 748 void special_null_transition(void); 749 void special_online_hooks_get(const char *, instance_hook_t *, 750 instance_hook_t *, instance_hook_t *); 751 752 /* transition.c */ 753 int gt_transition(scf_handle_t *, graph_vertex_t *, restarter_error_t, 754 restarter_instance_state_t); 755 756 /* utmpx.c */ 757 void utmpx_init(void); 758 void utmpx_clear_old(void); 759 int utmpx_mark_init(pid_t, char *); 760 void utmpx_mark_dead(pid_t, int, boolean_t); 761 char utmpx_get_runlevel(void); 762 void utmpx_set_runlevel(char, char, boolean_t); 763 void utmpx_write_boottime(void); 764 765 /* wait.c */ 766 void wait_init(void); 767 void wait_prefork(void); 768 void wait_postfork(pid_t); 769 int wait_register(pid_t, const char *, int, int); 770 void *wait_thread(void *); 771 void wait_ignore_by_fmri(const char *); 772 773 /* proc.c */ 774 ctid_t proc_get_ctid(); 775 776 /* deathrow.c */ 777 extern void deathrow_init(); 778 extern void deathrow_fini(); 779 extern boolean_t is_fmri_in_deathrow(const char *); 780 781 #ifdef __cplusplus 782 } 783 #endif 784 785 #endif /* _STARTD_H */ 786