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