1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2015, Joyent, Inc. All rights reserved. 25 * Copyright 2017 RackTop Systems. 26 */ 27 28 #ifndef _STARTD_H 29 #define _STARTD_H 30 31 #include <sys/time.h> 32 #include <librestart.h> 33 #include <librestart_priv.h> 34 #include <libscf.h> 35 #include <libsysevent.h> 36 #include <libuutil.h> 37 #include <pthread.h> 38 #include <synch.h> 39 #include <stdio.h> 40 #include <syslog.h> 41 #include <umem.h> 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 /* 48 * We want MUTEX_HELD, but we also want pthreads. So we're stuck with this 49 * for the native build, at least until the build machines can catch up 50 * with the latest version of MUTEX_HELD() in <synch.h>. 51 */ 52 #if defined(NATIVE_BUILD) 53 #undef MUTEX_HELD 54 #define MUTEX_HELD(m) _mutex_held((mutex_t *)(m)) 55 #endif 56 57 #ifndef NDEBUG 58 59 #define MUTEX_LOCK(mp) { \ 60 int err; \ 61 if ((err = pthread_mutex_lock((mp))) != 0) { \ 62 (void) fprintf(stderr, \ 63 "pthread_mutex_lock() failed on %s:%d: %s\n", \ 64 __FILE__, __LINE__, strerror(err)); \ 65 abort(); \ 66 } \ 67 } 68 69 #define MUTEX_UNLOCK(mp) { \ 70 int err; \ 71 if ((err = pthread_mutex_unlock((mp))) != 0) { \ 72 (void) fprintf(stderr, \ 73 "pthread_mutex_unlock() failed on %s:%d: %s\n", \ 74 __FILE__, __LINE__, strerror(err)); \ 75 abort(); \ 76 } \ 77 } 78 79 #else 80 81 #define MUTEX_LOCK(mp) (void) pthread_mutex_lock((mp)) 82 #define MUTEX_UNLOCK(mp) (void) pthread_mutex_unlock((mp)) 83 84 #endif 85 86 #define bad_error(func, err) \ 87 uu_panic("%s:%d: %s() failed with unexpected " \ 88 "error %d. Aborting.\n", __FILE__, __LINE__, (func), (err)); 89 90 #define min(a, b) (((a) < (b)) ? (a) : (b)) 91 92 #define FAULT_COUNT_INCR 0 93 #define FAULT_COUNT_RESET 1 94 95 #define FAULT_THRESHOLD 3 96 97 #define MAX_CONFIGD_RETRIES 5 98 #define MAX_EMI_RETRIES 5 99 #define MAX_MOUNT_RETRIES 5 100 #define MAX_SULOGIN_RETRIES 5 101 102 #define RETURN_SUCCESS 0 103 #define RETURN_RETRY -1 104 #define RETURN_FATAL -2 105 106 #define LIBSCF_SUCCESS 0 107 #define LIBSCF_PROPERTY_ABSENT -1 108 #define LIBSCF_PGROUP_ABSENT -2 109 #define LIBSCF_PROPERTY_ERROR -3 110 111 #define METHOD_START 0 112 #define METHOD_STOP 1 113 #define METHOD_REFRESH 2 114 115 #define METHOD_TIMEOUT_INFINITE 0 116 117 /* 118 * Contract cookies used by startd. 119 */ 120 #define CONFIGD_COOKIE 0x10 121 #define SULOGIN_COOKIE 0x11 122 #define METHOD_START_COOKIE 0x20 123 #define METHOD_OTHER_COOKIE 0x21 124 #define MONITOR_COOKIE 0x30 125 #define EMI_COOKIE 0x31 126 127 128 #define ALLOC_RETRY 3 129 #define ALLOC_DELAY 10 130 #define ALLOC_DELAY_MULT 10 131 132 #define safe_scf_scope_create(h) \ 133 libscf_object_create((void *(*)(scf_handle_t *))scf_scope_create, (h)) 134 #define safe_scf_service_create(h) \ 135 libscf_object_create((void *(*)(scf_handle_t *))scf_service_create, (h)) 136 #define safe_scf_instance_create(h) libscf_object_create( \ 137 (void *(*)(scf_handle_t *))scf_instance_create, (h)) 138 #define safe_scf_snapshot_create(h) libscf_object_create( \ 139 (void *(*)(scf_handle_t *))scf_snapshot_create, (h)) 140 #define safe_scf_snaplevel_create(h) libscf_object_create( \ 141 (void *(*)(scf_handle_t *))scf_snaplevel_create, (h)) 142 #define safe_scf_pg_create(h) \ 143 libscf_object_create((void *(*)(scf_handle_t *))scf_pg_create, (h)) 144 #define safe_scf_property_create(h) libscf_object_create( \ 145 (void *(*)(scf_handle_t *))scf_property_create, (h)) 146 #define safe_scf_value_create(h) \ 147 libscf_object_create((void *(*)(scf_handle_t *))scf_value_create, (h)) 148 #define safe_scf_iter_create(h) \ 149 libscf_object_create((void *(*)(scf_handle_t *))scf_iter_create, (h)) 150 #define safe_scf_transaction_create(h) libscf_object_create( \ 151 (void *(*)(scf_handle_t *)) scf_transaction_create, (h)) 152 #define safe_scf_entry_create(h) \ 153 libscf_object_create((void *(*)(scf_handle_t *))scf_entry_create, (h)) 154 155 #define startd_alloc(sz) \ 156 startd_alloc_retry((void *(*)(size_t, int))umem_alloc, (sz)) 157 #define startd_zalloc(sz) \ 158 startd_alloc_retry((void *(*)(size_t, int))umem_zalloc, (sz)) 159 160 161 extern pthread_mutexattr_t mutex_attrs; 162 163 /* 164 * Definitions for administrative actions. 165 * Note that the ordering in admin_action_t, admin_actions, and admin_events 166 * must match. admin_actions and admin_events are defined in startd.c. 167 */ 168 #define NACTIONS 8 169 170 typedef enum { 171 ADMIN_EVENT_RESTORE = 0, 172 ADMIN_EVENT_DEGRADED, 173 ADMIN_EVENT_DEGRADE_IMMEDIATE, 174 ADMIN_EVENT_MAINT_OFF, 175 ADMIN_EVENT_MAINT_ON, 176 ADMIN_EVENT_MAINT_ON_IMMEDIATE, 177 ADMIN_EVENT_REFRESH, 178 ADMIN_EVENT_RESTART 179 } admin_action_t; 180 181 extern const char * const admin_actions[NACTIONS]; 182 extern const int admin_events[NACTIONS]; 183 184 #define LOG_DATE_SIZE 32 /* Max size of timestamp in log output */ 185 186 extern ssize_t max_scf_name_size; 187 extern ssize_t max_scf_value_size; 188 extern ssize_t max_scf_fmri_size; 189 190 extern mode_t fmask; 191 extern mode_t dmask; 192 193 #define LOG_PREFIX_EARLY "/etc/svc/volatile/" 194 #define LOG_PREFIX_NORMAL "/var/svc/log/" 195 196 #define LOG_SUFFIX ".log" 197 198 #define STARTD_DEFAULT_LOG "svc.startd.log" 199 #define EMI_LOG ((const char *) "system-early-manifest-import:default.log") 200 201 extern const char *log_directory; /* Current log directory path */ 202 203 #define FS_TIMEZONE_DIR "/usr/share/lib/zoneinfo" 204 #define FS_LOCALE_DIR "/usr/lib/locale" 205 206 /* 207 * Simple dictionary representation. 208 */ 209 typedef struct dictionary { 210 uu_list_t *dict_list; 211 int dict_new_id; 212 pthread_mutex_t dict_lock; 213 } dictionary_t; 214 215 typedef struct dict_entry { 216 int de_id; 217 const char *de_name; 218 uu_list_node_t de_link; 219 } dict_entry_t; 220 221 extern dictionary_t *dictionary; 222 223 typedef struct timeout_queue { 224 uu_list_t *tq_list; 225 pthread_mutex_t tq_lock; 226 } timeout_queue_t; 227 228 typedef struct timeout_entry { 229 hrtime_t te_timeout; /* timeout expiration time */ 230 ctid_t te_ctid; 231 char *te_fmri; 232 char *te_logstem; 233 volatile int te_fired; 234 uu_list_node_t te_link; 235 } timeout_entry_t; 236 237 extern timeout_queue_t *timeouts; 238 239 /* 240 * State definitions. 241 */ 242 typedef enum { 243 STATE_NONE = 0x0, 244 STATE_UNINIT, 245 STATE_MAINT, 246 STATE_OFFLINE, 247 STATE_DISABLED, 248 STATE_ONLINE, 249 STATE_DEGRADED 250 } instance_state_t; 251 252 #define STATE_MAX (STATE_DEGRADED + 1) 253 254 extern const char * const instance_state_str[STATE_MAX]; 255 256 typedef enum { 257 GVT_UNSUPPORTED = -1, 258 GVT_UNKNOWN = 0, 259 GVT_SVC, /* service */ 260 GVT_INST, /* instance */ 261 GVT_FILE, /* file: */ 262 GVT_GROUP /* dependency group */ 263 } gv_type_t; 264 265 typedef enum { 266 DEPGRP_UNSUPPORTED = -1, 267 DEPGRP_REQUIRE_ANY = 1, 268 DEPGRP_REQUIRE_ALL, 269 DEPGRP_EXCLUDE_ALL, 270 DEPGRP_OPTIONAL_ALL 271 } depgroup_type_t; 272 273 typedef enum { 274 METHOD_RESTART_UNKNOWN = -1, 275 METHOD_RESTART_ALL = 0, 276 METHOD_RESTART_EXTERNAL_FAULT, 277 METHOD_RESTART_ANY_FAULT, 278 METHOD_RESTART_OTHER 279 } method_restart_t; 280 281 typedef enum { 282 PROPAGATE_START, 283 PROPAGATE_STOP, 284 PROPAGATE_SAT 285 } propagate_event_t; 286 287 /* 288 * Graph representation. 289 */ 290 #define GV_CONFIGURED 0x01 /* Service exists in repository, ready */ 291 #define GV_ENABLED 0x02 /* Service should be online */ 292 #define GV_ENBLD_NOOVR 0x04 /* GV_ENABLED, ignoring override */ 293 #define GV_INSUBGRAPH 0x08 /* Current milestone depends on service */ 294 #define GV_DEATHROW 0x10 /* Service is on deathrow */ 295 #define GV_TOOFFLINE 0x20 /* Services in subtree to offline */ 296 #define GV_TODISABLE 0x40 /* Services in subtree to disable */ 297 298 /* ID must come first to support search */ 299 typedef struct graph_vertex { 300 int gv_id; 301 char *gv_name; 302 uu_list_node_t gv_link; 303 304 uint_t gv_flags; 305 restarter_instance_state_t gv_state; 306 307 gv_type_t gv_type; 308 309 depgroup_type_t gv_depgroup; 310 restarter_error_t gv_restart; 311 312 void (*gv_start_f)(struct graph_vertex *); 313 void (*gv_post_online_f)(void); 314 void (*gv_post_disable_f)(void); 315 316 int gv_restarter_id; 317 evchan_t *gv_restarter_channel; 318 319 int gv_delegate_initialized; 320 evchan_t *gv_delegate_channel; 321 322 uu_list_t *gv_dependencies; 323 uu_list_t *gv_dependents; 324 325 /* 326 * gv_refs represents the number of references besides dependencies. 327 * The vertex cannot be removed when gv_refs > 0. 328 * 329 * Currently, only relevant for GVT_SVC and GVT_INST type vertices. 330 */ 331 int gv_refs; 332 333 int32_t gv_stn_tset; 334 int32_t gv_reason; 335 } graph_vertex_t; 336 337 typedef struct graph_edge { 338 graph_vertex_t *ge_vertex; 339 uu_list_node_t ge_link; 340 graph_vertex_t *ge_parent; 341 } graph_edge_t; 342 343 int libscf_get_info_events_all(scf_propertygroup_t *); 344 int32_t libscf_get_stn_tset(scf_instance_t *); 345 346 /* 347 * Restarter transition outcomes 348 */ 349 typedef enum { 350 DEGRADE_REQUESTED, 351 MAINT_REQUESTED, 352 START_REQUESTED, 353 START_FAILED_REPEATEDLY, 354 START_FAILED_CONFIGURATION, 355 START_FAILED_FATAL, 356 START_FAILED_TIMEOUT_FATAL, 357 START_FAILED_DEGRADED, 358 START_FAILED_OTHER 359 } start_outcome_t; 360 361 typedef void (*instance_hook_t)(void); 362 363 typedef struct service_hook_assn { 364 char *sh_fmri; 365 instance_hook_t sh_pre_online_hook; 366 instance_hook_t sh_post_online_hook; 367 instance_hook_t sh_post_offline_hook; 368 } service_hook_assn_t; 369 370 /* 371 * Restarter instance stop reasons. 372 */ 373 typedef enum { 374 RSTOP_EXIT = 0x0, /* exited or empty */ 375 RSTOP_CORE, /* core dumped */ 376 RSTOP_SIGNAL, /* external fatal signal received */ 377 RSTOP_HWERR, /* uncorrectable hardware error */ 378 RSTOP_DEPENDENCY, /* dependency activity caused stop */ 379 RSTOP_DISABLE, /* disabled */ 380 RSTOP_RESTART, /* restart requested */ 381 RSTOP_ERR_CFG, /* wait svc exited with a config. error */ 382 RSTOP_ERR_EXIT /* wait svc exited with an error */ 383 } stop_cause_t; 384 385 /* 386 * Restarter instance maintenance clear reasons. 387 */ 388 typedef enum { 389 RUNMAINT_CLEAR = 0x0, 390 RUNMAINT_DISABLE 391 } unmaint_cause_t; 392 393 /* 394 * Restarter instance flags 395 */ 396 #define RINST_CONTRACT 0x00000000 /* progeny constitute inst */ 397 #define RINST_TRANSIENT 0x10000000 /* inst operates momentarily */ 398 #define RINST_WAIT 0x20000000 /* child constitutes inst */ 399 #define RINST_STYLE_MASK 0xf0000000 400 401 #define RINST_RETAKE_RUNNING 0x01000000 /* pending running snapshot */ 402 #define RINST_RETAKE_START 0x02000000 /* pending start snapshot */ 403 404 #define RINST_RETAKE_MASK 0x0f000000 405 406 #define RINST_START_TIMES 5 /* failures to consider */ 407 #define RINST_FAILURE_RATE_NS 600000000000LL /* 1 failure/10 minutes */ 408 #define RINST_WT_SVC_FAILURE_RATE_NS NANOSEC /* 1 failure/second */ 409 410 /* Number of events in the queue when we start dropping ADMIN events. */ 411 #define RINST_QUEUE_THRESHOLD 100 412 413 typedef struct restarter_inst { 414 int ri_id; 415 instance_data_t ri_i; 416 char *ri_common_name; /* template localized name */ 417 char *ri_C_common_name; /* C locale name */ 418 419 char *ri_logstem; /* logfile name */ 420 char *ri_utmpx_prefix; 421 uint_t ri_flags; 422 instance_hook_t ri_pre_online_hook; 423 instance_hook_t ri_post_online_hook; 424 instance_hook_t ri_post_offline_hook; 425 426 hrtime_t ri_start_time[RINST_START_TIMES]; 427 uint_t ri_start_index; /* times started */ 428 429 uu_list_node_t ri_link; 430 pthread_mutex_t ri_lock; 431 432 /* 433 * When we start a thread to we execute a method for this instance, we 434 * put the thread id in ri_method_thread. Threads with ids other than 435 * this which acquire ri_lock while ri_method_thread is nonzero should 436 * wait on ri_method_cv. ri_method_waiters should be incremented while 437 * waiting so the instance won't be deleted. 438 */ 439 pthread_t ri_method_thread; 440 pthread_cond_t ri_method_cv; 441 uint_t ri_method_waiters; 442 443 /* 444 * These fields are provided so functions can operate on this structure 445 * and the repository without worrying about whether the instance has 446 * been deleted from the repository (this is possible because 447 * ri_i.i_fmri names the instance this structure represents -- see 448 * libscf_reget_inst()). ri_m_inst is the scf_instance_t for the 449 * instance, and ri_mi_deleted is true if the instance has been deleted. 450 */ 451 scf_instance_t *ri_m_inst; 452 boolean_t ri_mi_deleted; 453 454 /* 455 * We maintain a pointer to any pending timeout for this instance 456 * for quick reference/deletion. 457 */ 458 timeout_entry_t *ri_timeout; 459 460 /* 461 * Instance event queue. Graph events are queued here as a list 462 * of restarter_instance_qentry_t's, and the lock is held separately. 463 * If both ri_lock and ri_queue_lock are grabbed, ri_lock must be 464 * grabbed first. ri_queue_lock protects all ri_queue_* structure 465 * members. 466 */ 467 pthread_mutex_t ri_queue_lock; 468 pthread_cond_t ri_queue_cv; 469 uu_list_t *ri_queue; 470 int ri_queue_thread; 471 472 } restarter_inst_t; 473 474 typedef struct restarter_instance_list { 475 uu_list_t *ril_instance_list; 476 pthread_mutex_t ril_lock; 477 } restarter_instance_list_t; 478 479 typedef struct restarter_instance_qentry { 480 restarter_event_type_t riq_type; 481 int32_t riq_reason; 482 uu_list_node_t riq_link; 483 } restarter_instance_qentry_t; 484 485 typedef struct fork_info { 486 int sf_id; 487 int sf_method_type; 488 restarter_error_t sf_event_type; 489 restarter_str_t sf_reason; 490 } fork_info_t; 491 492 typedef struct wait_info { 493 uu_list_node_t wi_link; 494 495 int wi_fd; /* psinfo file descriptor */ 496 id_t wi_pid; /* process ID */ 497 const char *wi_fmri; /* instance FMRI */ 498 int wi_parent; /* startd is parent */ 499 int wi_ignore; /* ignore events */ 500 } wait_info_t; 501 502 #define STARTD_LOG_FILE 0x1 503 #define STARTD_LOG_TERMINAL 0x2 504 #define STARTD_LOG_SYSLOG 0x4 505 506 #define STARTD_BOOT_QUIET 0x1 507 #define STARTD_BOOT_VERBOSE 0x2 508 509 /* 510 * Internal debug flags used to reduce the amount of data sent to the 511 * internal debug buffer. They can be turned on & off dynamically using 512 * internal_debug_flags variable in mdb. By default, they're off. 513 */ 514 #define DEBUG_DEPENDENCIES 0x1 515 516 typedef struct startd_state { 517 /* Logging configuration */ 518 char *st_log_prefix; /* directory prefix */ 519 char *st_log_file; /* startd file in above dir */ 520 uint_t st_log_flags; /* message destination */ 521 int st_log_level_min; /* minimum required to log */ 522 int st_log_timezone_known; /* timezone is available */ 523 int st_log_locale_known; /* locale is available */ 524 int st_log_login_reached; /* login service reached */ 525 526 /* Boot configuration */ 527 uint_t st_boot_flags; /* serial boot, etc. */ 528 uint_t st_initial; /* first startd on system */ 529 530 /* System configuration */ 531 char *st_subgraph; /* milestone subgraph request */ 532 533 uint_t st_load_complete; /* graph load completed */ 534 uint_t st_load_instances; /* restarter instances to load */ 535 pthread_mutex_t st_load_lock; 536 pthread_cond_t st_load_cv; 537 538 /* Repository configuration */ 539 pid_t st_configd_pid; /* PID of our svc.configd */ 540 /* instance */ 541 int st_configd_lives; /* configd started */ 542 pthread_mutex_t st_configd_live_lock; 543 pthread_cond_t st_configd_live_cv; 544 545 char *st_door_path; 546 547 /* General information */ 548 uint_t st_flags; 549 struct timeval st_start_time; /* effective system start time */ 550 char *st_locale; 551 } startd_state_t; 552 553 extern startd_state_t *st; 554 555 extern boolean_t booting_to_single_user; 556 557 extern const char *event_names[]; 558 559 /* 560 * Structures for contract to instance hash table, implemented in 561 * contract.c and used by restarter.c and method.c 562 */ 563 typedef struct contract_entry { 564 ctid_t ce_ctid; 565 int ce_instid; 566 567 uu_list_node_t ce_link; 568 } contract_entry_t; 569 570 extern volatile uint16_t storing_contract; 571 572 extern uu_list_pool_t *contract_list_pool; 573 574 /* contract.c */ 575 ctid_t contract_init(void); 576 void contract_abandon(ctid_t); 577 int contract_kill(ctid_t, int, const char *); 578 int contract_is_empty(ctid_t); 579 void contract_hash_init(); 580 void contract_hash_store(ctid_t, int); 581 void contract_hash_remove(ctid_t); 582 int lookup_inst_by_contract(ctid_t); 583 584 /* dict.c */ 585 void dict_init(void); 586 int dict_lookup_byname(const char *); 587 int dict_insert(const char *); 588 589 /* expand.c */ 590 int expand_method_tokens(const char *, scf_instance_t *, 591 scf_snapshot_t *, int, char **); 592 593 /* env.c */ 594 void init_env(void); 595 char **set_smf_env(char **, size_t, const char *, 596 const restarter_inst_t *, const char *); 597 598 /* file.c */ 599 int file_ready(graph_vertex_t *); 600 601 /* fork.c */ 602 int fork_mount(char *, char *); 603 void fork_sulogin(boolean_t, const char *, ...); 604 void fork_rc_script(char, const char *, boolean_t); 605 606 void *fork_configd_thread(void *); 607 608 pid_t startd_fork1(int *); 609 void fork_with_timeout(const char *, uint_t, uint_t); 610 void fork_emi(); 611 612 /* graph.c */ 613 void graph_init(void); 614 void *single_user_thread(void *); 615 void *graph_thread(void *); 616 void *graph_event_thread(void *); 617 void *repository_event_thread(void *); 618 int dgraph_add_instance(const char *, scf_instance_t *, boolean_t); 619 void graph_engine_start(void); 620 void graph_enable_by_vertex(graph_vertex_t *, int, int); 621 int refresh_vertex(graph_vertex_t *, scf_instance_t *); 622 void vertex_send_event(graph_vertex_t *, restarter_event_type_t); 623 void graph_start_if_satisfied(graph_vertex_t *); 624 int vertex_subgraph_dependencies_shutdown(scf_handle_t *, graph_vertex_t *, 625 restarter_instance_state_t); 626 void graph_transition_sulogin(restarter_instance_state_t, 627 restarter_instance_state_t); 628 void graph_transition_propagate(graph_vertex_t *, propagate_event_t, 629 restarter_error_t); 630 void graph_offline_subtree_leaves(graph_vertex_t *, void *); 631 void offline_vertex(graph_vertex_t *); 632 633 /* libscf.c - common */ 634 char *inst_fmri_to_svc_fmri(const char *); 635 void *libscf_object_create(void *(*)(scf_handle_t *), scf_handle_t *); 636 int libscf_instance_get_fmri(scf_instance_t *, char **); 637 int libscf_fmri_get_instance(scf_handle_t *, const char *, scf_instance_t **); 638 int libscf_lookup_instance(const char *, scf_instance_t *); 639 int libscf_set_reconfig(int); 640 scf_snapshot_t *libscf_get_or_make_running_snapshot(scf_instance_t *, 641 const char *, boolean_t); 642 int libscf_inst_set_count_prop(scf_instance_t *, const char *, 643 const char *pgtype, uint32_t, const char *, uint64_t); 644 645 /* libscf.c - used by graph.c */ 646 int libscf_get_deathrow(scf_handle_t *, scf_instance_t *, int *); 647 int libscf_get_basic_instance_data(scf_handle_t *, scf_instance_t *, 648 const char *, int *, int *, char **); 649 int libscf_inst_get_or_add_pg(scf_instance_t *, const char *, const char *, 650 uint32_t, scf_propertygroup_t *); 651 int libscf_read_states(const scf_propertygroup_t *, 652 restarter_instance_state_t *, restarter_instance_state_t *); 653 int depgroup_empty(scf_handle_t *, scf_propertygroup_t *); 654 gv_type_t depgroup_read_scheme(scf_handle_t *, scf_propertygroup_t *); 655 depgroup_type_t depgroup_read_grouping(scf_handle_t *, scf_propertygroup_t *); 656 restarter_error_t depgroup_read_restart(scf_handle_t *, scf_propertygroup_t *); 657 int libscf_set_enable_ovr(scf_instance_t *, int); 658 int libscf_set_deathrow(scf_instance_t *, int); 659 int libscf_delete_enable_ovr(scf_instance_t *); 660 int libscf_get_milestone(scf_instance_t *, scf_property_t *, scf_value_t *, 661 char *, size_t); 662 int libscf_extract_runlevel(scf_property_t *, char *); 663 int libscf_clear_runlevel(scf_propertygroup_t *, const char *milestone); 664 665 typedef int (*callback_t)(void *, void *); 666 667 int walk_dependency_pgs(scf_instance_t *, callback_t, void *); 668 int walk_property_astrings(scf_property_t *, callback_t, void *); 669 void libscf_reset_start_times(restarter_inst_t *, int); 670 671 /* libscf.c - used by restarter.c/method.c/expand.c */ 672 char *libscf_get_method(scf_handle_t *, int, restarter_inst_t *, 673 scf_snapshot_t *, method_restart_t *, uint_t *, uint8_t *, uint64_t *, 674 uint8_t *); 675 void libscf_populate_graph(scf_handle_t *h); 676 int update_fault_count(restarter_inst_t *, int); 677 int libscf_unset_action(scf_handle_t *, scf_propertygroup_t *, admin_action_t, 678 int64_t); 679 int libscf_get_startd_properties(scf_instance_t *, scf_snapshot_t *, uint_t *, 680 char **); 681 int libscf_get_template_values(scf_instance_t *, scf_snapshot_t *, char **, 682 char **); 683 684 int libscf_read_method_ids(scf_handle_t *, scf_instance_t *, const char *, 685 ctid_t *, ctid_t *, pid_t *); 686 int libscf_write_start_pid(scf_instance_t *, pid_t); 687 int libscf_write_method_status(scf_instance_t *, const char *, int); 688 int libscf_note_method_log(scf_instance_t *, const char *, const char *); 689 690 scf_handle_t *libscf_handle_create_bound(scf_version_t); 691 void libscf_handle_rebind(scf_handle_t *); 692 scf_handle_t *libscf_handle_create_bound_loop(void); 693 694 scf_snapshot_t *libscf_get_running_snapshot(scf_instance_t *); 695 int libscf_snapshots_poststart(scf_handle_t *, const char *, boolean_t); 696 int libscf_snapshots_refresh(scf_instance_t *, const char *); 697 698 int instance_is_transient_style(restarter_inst_t *); 699 int instance_is_wait_style(restarter_inst_t *); 700 701 int libscf_create_self(scf_handle_t *); 702 703 void libscf_reget_instance(restarter_inst_t *); 704 705 /* log.c */ 706 void log_init(); 707 void log_error(int, const char *, ...); 708 void log_framework(int, const char *, ...); 709 void log_framework2(int, int, const char *, ...); 710 void log_console(int, const char *, ...); 711 void log_preexec(void); 712 void setlog(const char *); 713 void log_transition(const restarter_inst_t *, start_outcome_t); 714 void log_instance(const restarter_inst_t *, boolean_t, const char *, ...); 715 void log_instance_fmri(const char *, const char *, boolean_t, 716 const char *, ...); 717 718 /* method.c */ 719 void *method_thread(void *); 720 void method_remove_contract(restarter_inst_t *, boolean_t, boolean_t); 721 int method_rate_critical(restarter_inst_t *); 722 723 /* misc.c */ 724 void startd_close(int); 725 void startd_fclose(FILE *); 726 int fmri_canonify(const char *, char **, boolean_t); 727 int fs_is_read_only(char *, ulong_t *); 728 int fs_remount(char *); 729 void xstr_sanitize(char *); 730 731 /* restarter.c */ 732 void restarter_init(void); 733 void restarter_start(void); 734 int instance_in_transition(restarter_inst_t *); 735 int restarter_instance_update_states(scf_handle_t *, restarter_inst_t *, 736 restarter_instance_state_t, restarter_instance_state_t, restarter_error_t, 737 restarter_str_t); 738 int stop_instance_fmri(scf_handle_t *, const char *, uint_t); 739 restarter_inst_t *inst_lookup_by_id(int); 740 void restarter_mark_pending_snapshot(const char *, uint_t); 741 void *restarter_post_fsminimal_thread(void *); 742 void timeout_insert(restarter_inst_t *, ctid_t, uint64_t); 743 void timeout_remove(restarter_inst_t *, ctid_t); 744 void timeout_init(void); 745 int is_timeout_ovr(restarter_inst_t *); 746 747 /* startd.c */ 748 void *safe_realloc(void *, size_t); 749 char *safe_strdup(const char *s); 750 void *startd_alloc_retry(void *(*)(size_t, int), size_t); 751 void startd_free(void *, size_t); 752 uu_list_pool_t *startd_list_pool_create(const char *, size_t, size_t, 753 uu_compare_fn_t *, uint32_t); 754 uu_list_t *startd_list_create(uu_list_pool_t *, void *, uint32_t); 755 pthread_t startd_thread_create(void *(*)(void *), void *); 756 757 /* special.c */ 758 void special_null_transition(void); 759 void special_online_hooks_get(const char *, instance_hook_t *, 760 instance_hook_t *, instance_hook_t *); 761 762 /* transition.c */ 763 int gt_transition(scf_handle_t *, graph_vertex_t *, restarter_error_t, 764 restarter_instance_state_t); 765 766 /* utmpx.c */ 767 void utmpx_init(void); 768 void utmpx_clear_old(void); 769 int utmpx_mark_init(pid_t, char *); 770 void utmpx_mark_dead(pid_t, int, boolean_t); 771 char utmpx_get_runlevel(void); 772 void utmpx_set_runlevel(char, char, boolean_t); 773 void utmpx_write_boottime(void); 774 void utmpx_prefork(void); 775 void utmpx_postfork(void); 776 777 /* wait.c */ 778 void wait_init(void); 779 void wait_prefork(void); 780 void wait_postfork(pid_t); 781 int wait_register(pid_t, const char *, int, int); 782 void *wait_thread(void *); 783 void wait_ignore_by_fmri(const char *); 784 785 /* proc.c */ 786 ctid_t proc_get_ctid(); 787 788 /* deathrow.c */ 789 extern void deathrow_init(); 790 extern void deathrow_fini(); 791 extern boolean_t is_fmri_in_deathrow(const char *); 792 793 #ifdef __cplusplus 794 } 795 #endif 796 797 #endif /* _STARTD_H */ 798