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 extern 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 */ 793