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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 /* 24 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 29 /* All Rights Reserved */ 30 31 32 #ifndef _SYS_PROC_H 33 #define _SYS_PROC_H 34 35 #pragma ident "%Z%%M% %I% %E% SMI" 36 37 #include <sys/time.h> 38 39 #include <sys/thread.h> 40 #include <sys/cred.h> 41 #include <sys/user.h> 42 #include <sys/watchpoint.h> 43 #include <sys/timer.h> 44 #if defined(__x86) 45 #include <sys/tss.h> 46 #include <sys/segments.h> 47 #endif 48 #include <sys/utrap.h> 49 #include <sys/model.h> 50 #include <sys/refstr.h> 51 #include <sys/avl.h> 52 #include <sys/rctl.h> 53 #include <sys/list.h> 54 #include <sys/avl.h> 55 #include <sys/door_impl.h> 56 57 #ifdef __cplusplus 58 extern "C" { 59 #endif 60 61 /* 62 * Profile arguments. 63 */ 64 struct prof { 65 void *pr_base; /* buffer base */ 66 uintptr_t pr_off; /* pc offset */ 67 size_t pr_size; /* buffer size */ 68 uint32_t pr_scale; /* pc scaling */ 69 long pr_samples; /* sample count */ 70 }; 71 72 /* hash function for the lwpid hash table, p->p_tidhash[] */ 73 #define TIDHASH(p, tid) ((tid) & ((p)->p_tidhash_sz - 1)) 74 75 /* 76 * An lwp directory entry. 77 * If le_thread != NULL, this is an active lwp. 78 * If le_thread == NULL, this is an unreaped zombie lwp. 79 */ 80 typedef struct lwpent { 81 kthread_t *le_thread; /* the active lwp, NULL if zombie */ 82 id_t le_lwpid; /* its lwpid (t->t_tid) */ 83 uint16_t le_waiters; /* total number of lwp_wait()ers */ 84 uint16_t le_dwaiters; /* number that are daemons */ 85 clock_t le_start; /* start time of this lwp */ 86 struct vnode *le_trace; /* pointer to /proc lwp vnode */ 87 } lwpent_t; 88 89 typedef struct pctxop { 90 void (*save_op)(void *); /* function to invoke to save ctx */ 91 void (*restore_op)(void *); /* function to invoke to restore ctx */ 92 void (*fork_op)(void *, void *); /* invoke to fork context */ 93 void (*exit_op)(void *); /* invoked during process exit */ 94 void (*free_op)(void *, int); /* function which frees the context */ 95 void *arg; /* argument to above functions */ 96 struct pctxop *next; /* next pcontext ops */ 97 } pctxop_t; 98 99 /* 100 * Elements of the lwp directory, p->p_lwpdir[]. 101 * 102 * We allocate lwp directory entries separately from lwp directory 103 * elements because the lwp directory must be allocated as an array. 104 * The number of lwps can grow quite large and we want to keep the 105 * size of the kmem_alloc()d directory as small as possible. 106 * 107 * If ld_entry == NULL, the entry is free and is on the free list, 108 * p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the 109 * entry is used and ld_next is the thread-id hash link pointer. 110 */ 111 typedef struct lwpdir { 112 struct lwpdir *ld_next; /* hash chain or free list */ 113 struct lwpent *ld_entry; /* lwp directory entry */ 114 } lwpdir_t; 115 116 struct pool; 117 struct task; 118 struct zone; 119 struct corectl_path; 120 struct corectl_content; 121 122 /* 123 * One structure allocated per active process. It contains all 124 * data needed about the process while the process may be swapped 125 * out. Other per-process data (user.h) is also inside the proc structure. 126 * Lightweight-process data (lwp.h) and the kernel stack may be swapped out. 127 */ 128 typedef struct proc { 129 /* 130 * Fields requiring no explicit locking 131 */ 132 struct vnode *p_exec; /* pointer to a.out vnode */ 133 struct as *p_as; /* process address space pointer */ 134 struct plock *p_lockp; /* ptr to proc struct's mutex lock */ 135 kmutex_t p_crlock; /* lock for p_cred */ 136 struct cred *p_cred; /* process credentials */ 137 /* 138 * Fields protected by pidlock 139 */ 140 int p_swapcnt; /* number of swapped out lwps */ 141 char p_stat; /* status of process */ 142 char p_wcode; /* current wait code */ 143 ushort_t p_pidflag; /* flags protected only by pidlock */ 144 int p_wdata; /* current wait return value */ 145 pid_t p_ppid; /* process id of parent */ 146 struct proc *p_link; /* forward link */ 147 struct proc *p_parent; /* ptr to parent process */ 148 struct proc *p_child; /* ptr to first child process */ 149 struct proc *p_sibling; /* ptr to next sibling proc on chain */ 150 struct proc *p_psibling; /* ptr to prev sibling proc on chain */ 151 struct proc *p_sibling_ns; /* prt to siblings with new state */ 152 struct proc *p_child_ns; /* prt to children with new state */ 153 struct proc *p_next; /* active chain link next */ 154 struct proc *p_prev; /* active chain link prev */ 155 struct proc *p_nextofkin; /* gets accounting info at exit */ 156 struct proc *p_orphan; 157 struct proc *p_nextorph; 158 struct proc *p_pglink; /* process group hash chain link next */ 159 struct proc *p_ppglink; /* process group hash chain link prev */ 160 struct sess *p_sessp; /* session information */ 161 struct pid *p_pidp; /* process ID info */ 162 struct pid *p_pgidp; /* process group ID info */ 163 /* 164 * Fields protected by p_lock 165 */ 166 kcondvar_t p_cv; /* proc struct's condition variable */ 167 kcondvar_t p_flag_cv; 168 kcondvar_t p_lwpexit; /* waiting for some lwp to exit */ 169 kcondvar_t p_holdlwps; /* process is waiting for its lwps */ 170 /* to to be held. */ 171 uint_t p_proc_flag; /* /proc-related flags */ 172 uint_t p_flag; /* protected while set. */ 173 /* flags defined below */ 174 clock_t p_utime; /* user time, this process */ 175 clock_t p_stime; /* system time, this process */ 176 clock_t p_cutime; /* sum of children's user time */ 177 clock_t p_cstime; /* sum of children's system time */ 178 avl_tree_t *p_segacct; /* System V shared segment list */ 179 avl_tree_t *p_semacct; /* System V semaphore undo list */ 180 caddr_t p_bssbase; /* base addr of last bss below heap */ 181 caddr_t p_brkbase; /* base addr of heap */ 182 size_t p_brksize; /* heap size in bytes */ 183 uint_t p_brkpageszc; /* preferred heap max page size code */ 184 /* 185 * Per process signal stuff. 186 */ 187 k_sigset_t p_sig; /* signals pending to this process */ 188 k_sigset_t p_extsig; /* signals sent from another contract */ 189 k_sigset_t p_ignore; /* ignore when generated */ 190 k_sigset_t p_siginfo; /* gets signal info with signal */ 191 struct sigqueue *p_sigqueue; /* queued siginfo structures */ 192 struct sigqhdr *p_sigqhdr; /* hdr to sigqueue structure pool */ 193 struct sigqhdr *p_signhdr; /* hdr to signotify structure pool */ 194 uchar_t p_stopsig; /* jobcontrol stop signal */ 195 196 /* 197 * Special per-process flag when set will fix misaligned memory 198 * references. 199 */ 200 char p_fixalignment; 201 202 /* 203 * Per process lwp and kernel thread stuff 204 */ 205 id_t p_lwpid; /* most recently allocated lwpid */ 206 int p_lwpcnt; /* number of lwps in this process */ 207 int p_lwprcnt; /* number of not stopped lwps */ 208 int p_lwpdaemon; /* number of TP_DAEMON lwps */ 209 int p_lwpwait; /* number of lwps in lwp_wait() */ 210 int p_lwpdwait; /* number of daemons in lwp_wait() */ 211 int p_zombcnt; /* number of zombie lwps */ 212 kthread_t *p_tlist; /* circular list of threads */ 213 lwpdir_t *p_lwpdir; /* thread (lwp) directory */ 214 lwpdir_t *p_lwpfree; /* p_lwpdir free list */ 215 lwpdir_t **p_tidhash; /* tid (lwpid) lookup hash table */ 216 uint_t p_lwpdir_sz; /* number of p_lwpdir[] entries */ 217 uint_t p_tidhash_sz; /* number of p_tidhash[] entries */ 218 uint64_t p_lgrpset; /* unprotected hint of set of lgrps */ 219 /* on which process has threads */ 220 uintptr_t p_lgrpres1; /* reserved for lgrp migration */ 221 uintptr_t p_lgrpres2; /* reserved for lgrp migration */ 222 /* 223 * /proc (process filesystem) debugger interface stuff. 224 */ 225 k_sigset_t p_sigmask; /* mask of traced signals (/proc) */ 226 k_fltset_t p_fltmask; /* mask of traced faults (/proc) */ 227 struct vnode *p_trace; /* pointer to primary /proc vnode */ 228 struct vnode *p_plist; /* list of /proc vnodes for process */ 229 kthread_t *p_agenttp; /* thread ptr for /proc agent lwp */ 230 avl_tree_t p_warea; /* list of watched areas */ 231 avl_tree_t p_wpage; /* remembered watched pages (vfork) */ 232 watched_page_t *p_wprot; /* pages that need to have prot set */ 233 int p_mapcnt; /* number of active pr_mappage()s */ 234 kmutex_t p_maplock; /* lock for pr_mappage() */ 235 struct proc *p_rlink; /* linked list for server */ 236 kcondvar_t p_srwchan_cv; 237 size_t p_stksize; /* process stack size in bytes */ 238 uint_t p_stkpageszc; /* preferred stack max page size code */ 239 240 /* 241 * Microstate accounting, resource usage, and real-time profiling 242 */ 243 hrtime_t p_mstart; /* hi-res process start time */ 244 hrtime_t p_mterm; /* hi-res process termination time */ 245 hrtime_t p_mlreal; /* elapsed time sum over defunct lwps */ 246 hrtime_t p_acct[NMSTATES]; /* microstate sum over defunct lwps */ 247 hrtime_t p_cacct[NMSTATES]; /* microstate sum over child procs */ 248 struct lrusage p_ru; /* lrusage sum over defunct lwps */ 249 struct lrusage p_cru; /* lrusage sum over child procs */ 250 struct itimerval p_rprof_timer; /* ITIMER_REALPROF interval timer */ 251 uintptr_t p_rprof_cyclic; /* ITIMER_REALPROF cyclic */ 252 uint_t p_defunct; /* number of defunct lwps */ 253 /* 254 * profiling. A lock is used in the event of multiple lwp's 255 * using the same profiling base/size. 256 */ 257 kmutex_t p_pflock; /* protects user profile arguments */ 258 struct prof p_prof; /* profile arguments */ 259 260 /* 261 * The user structure 262 */ 263 struct user p_user; /* (see sys/user.h) */ 264 265 /* 266 * Doors. 267 */ 268 door_pool_t p_server_threads; /* common thread pool */ 269 struct door_node *p_door_list; /* active doors */ 270 struct door_node *p_unref_list; 271 kcondvar_t p_unref_cv; 272 char p_unref_thread; /* unref thread created */ 273 274 /* 275 * Kernel probes 276 */ 277 uchar_t p_tnf_flags; 278 279 /* 280 * C2 Security (C2_AUDIT) 281 */ 282 struct p_audit_data *p_audit_data; /* per process audit structure */ 283 284 pctxop_t *p_pctx; 285 286 #if defined(__x86) 287 /* 288 * LDT support. 289 */ 290 kmutex_t p_ldtlock; /* protects the following fields */ 291 user_desc_t *p_ldt; /* Pointer to private LDT */ 292 system_desc_t p_ldt_desc; /* segment descriptor for private LDT */ 293 ushort_t p_ldtlimit; /* highest selector used */ 294 #endif 295 size_t p_swrss; /* resident set size before last swap */ 296 struct aio *p_aio; /* pointer to async I/O struct */ 297 struct itimer **p_itimer; /* interval timers */ 298 timeout_id_t p_alarmid; /* alarm's timeout id */ 299 caddr_t p_usrstack; /* top of the process stack */ 300 uint_t p_stkprot; /* stack memory protection */ 301 uint_t p_datprot; /* data memory protection */ 302 model_t p_model; /* data model determined at exec time */ 303 struct lwpchan_data *p_lcp; /* lwpchan cache */ 304 kmutex_t p_lcp_lock; /* protects assignments to p_lcp */ 305 utrap_handler_t *p_utraps; /* pointer to user trap handlers */ 306 struct corectl_path *p_corefile; /* pattern for core file */ 307 struct task *p_task; /* our containing task */ 308 struct proc *p_taskprev; /* ptr to previous process in task */ 309 struct proc *p_tasknext; /* ptr to next process in task */ 310 kmutex_t p_sc_lock; /* protects p_pagep */ 311 struct sc_page_ctl *p_pagep; /* list of process's shared pages */ 312 struct rctl_set *p_rctls; /* resource controls for this process */ 313 rlim64_t p_stk_ctl; /* currently enforced stack size */ 314 rlim64_t p_fsz_ctl; /* currently enforced file size */ 315 rlim64_t p_vmem_ctl; /* currently enforced addr-space size */ 316 rlim64_t p_fno_ctl; /* currently enforced file-desc limit */ 317 pid_t p_ancpid; /* ancestor pid, used by exacct */ 318 struct itimerval p_realitimer; /* real interval timer */ 319 timeout_id_t p_itimerid; /* real interval timer's timeout id */ 320 struct corectl_content *p_content; /* content of core file */ 321 322 avl_tree_t p_ct_held; /* held contracts */ 323 struct ct_equeue **p_ct_equeue; /* process-type event queues */ 324 325 struct cont_process *p_ct_process; /* process contract */ 326 list_node_t p_ct_member; /* process contract membership */ 327 sigqueue_t *p_killsqp; /* sigqueue pointer for SIGKILL */ 328 329 int p_dtrace_probes; /* are there probes for this proc? */ 330 uint64_t p_dtrace_count; /* number of DTrace tracepoints */ 331 /* (protected by P_PR_LOCK) */ 332 void *p_dtrace_helpers; /* DTrace helpers, if any */ 333 struct pool *p_pool; /* pointer to containing pool */ 334 kcondvar_t p_poolcv; /* synchronization with pools */ 335 uint_t p_poolcnt; /* # threads inside pool barrier */ 336 uint_t p_poolflag; /* pool-related flags (see below) */ 337 uintptr_t p_portcnt; /* event ports counter */ 338 struct zone *p_zone; /* zone in which process lives */ 339 struct vnode *p_execdir; /* directory that p_exec came from */ 340 } proc_t; 341 342 #define PROC_T /* headers relying on proc_t are OK */ 343 344 #ifdef _KERNEL 345 346 /* active process chain */ 347 348 extern proc_t *practive; 349 350 /* Well known processes */ 351 352 extern proc_t *proc_sched; /* memory scheduler */ 353 extern proc_t *proc_init; /* init */ 354 extern proc_t *proc_pageout; /* pageout daemon */ 355 extern proc_t *proc_fsflush; /* filesystem sync-er */ 356 357 #endif /* _KERNEL */ 358 359 /* 360 * Stuff to keep track of the number of processes each uid has. 361 * It is tracked on a per-zone basis; that is, if users in different 362 * zones have the same uid, they are tracked separately. 363 * 364 * A structure is allocated when a new <uid,zoneid> pair shows up 365 * There is a hash to find each structure. 366 */ 367 struct upcount { 368 struct upcount *up_next; 369 uid_t up_uid; 370 zoneid_t up_zoneid; 371 uint_t up_count; 372 }; 373 374 /* process ID info */ 375 376 struct pid { 377 unsigned int pid_prinactive :1; 378 unsigned int pid_pgorphaned :1; 379 unsigned int pid_padding :6; /* used to be pid_ref, now an int */ 380 unsigned int pid_prslot :24; 381 pid_t pid_id; 382 struct proc *pid_pglink; 383 struct proc *pid_pgtail; 384 struct pid *pid_link; 385 uint_t pid_ref; 386 }; 387 388 #define p_pgrp p_pgidp->pid_id 389 #define p_pid p_pidp->pid_id 390 #define p_slot p_pidp->pid_prslot 391 #define p_detached p_pgidp->pid_pgorphaned 392 393 #define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 394 ++(pidp)->pid_ref; 395 #define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 396 (pidp)->pid_ref > 1 ? \ 397 --(pidp)->pid_ref : pid_rele(pidp); 398 399 /* 400 * Structure containing persistent process lock. The structure and 401 * macro allow "mutex_enter(&p->p_lock)" to continue working. 402 */ 403 struct plock { 404 kmutex_t pl_lock; 405 }; 406 #define p_lock p_lockp->pl_lock 407 408 #ifdef _KERNEL 409 extern proc_t p0; /* process 0 */ 410 extern struct plock p0lock; /* p0's plock */ 411 extern struct pid pid0; /* p0's pid */ 412 #endif /* _KERNEL */ 413 414 /* stat codes */ 415 416 #define SSLEEP 1 /* awaiting an event */ 417 #define SRUN 2 /* running */ 418 #define SZOMB 3 /* process terminated but not waited for */ 419 #define SSTOP 4 /* process stopped by debugger */ 420 #define SIDL 5 /* intermediate state in process creation */ 421 #define SONPROC 6 /* process is being run on a processor */ 422 423 /* p_pidflag codes */ 424 #define CLDPEND 0x0001 /* have yet to post a SIGCLD to the parent */ 425 #define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */ 426 427 /* p_proc_flag codes -- these flags are mostly private to /proc */ 428 #define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */ 429 #define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */ 430 #define P_PR_FORK 0x0004 /* child inherits tracing flags */ 431 #define P_PR_LOCK 0x0008 /* process locked by /proc */ 432 #define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */ 433 #define P_PR_EXEC 0x0020 /* process is in exec() */ 434 #define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */ 435 #define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */ 436 #define P_PR_KILLCL 0x0100 /* kill process on last /proc close */ 437 438 /* 439 * p_flag codes 440 * 441 * note that two of these flags, SMSACCT and SSYS, are exported to /proc's 442 * psinfo_t.p_flag field. Historically, all were, but since they are 443 * implementation dependant, we only export the ones people have come to 444 * rely upon. Hence, the bit positions of SSYS and SMSACCT should not be 445 * altered. 446 */ 447 #define SSYS 0x00000001 /* system (resident) process */ 448 #define SEXITING 0x00000002 /* process is exiting */ 449 #define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */ 450 #define SWATCHOK 0x00000010 /* proc in acceptable state for watchpoints */ 451 #define SKILLED 0x00000100 /* SIGKILL has been posted to the process */ 452 #define SSCONT 0x00000200 /* SIGCONT has been posted to the process */ 453 #define SZONETOP 0x00000400 /* process has no valid PPID in its zone */ 454 #define SEXTKILLED 0x00000800 /* SKILLED is from another contract */ 455 #define SUGID 0x00002000 /* process was result of set[ug]id exec */ 456 #define SEXECED 0x00004000 /* this process has execed */ 457 #define SJCTL 0x00010000 /* SIGCLD sent when children stop/continue */ 458 #define SNOWAIT 0x00020000 /* children never become zombies */ 459 #define SVFORK 0x00040000 /* child of vfork that has not yet exec'd */ 460 #define SVFWAIT 0x00080000 /* parent of vfork waiting for child to exec */ 461 #define SEXITLWPS 0x00100000 /* have lwps exit within the process */ 462 #define SHOLDFORK 0x00200000 /* hold lwps where they're cloneable */ 463 #define SHOLDFORK1 0x00800000 /* hold lwps in place (not cloning) */ 464 #define SCOREDUMP 0x01000000 /* process is dumping core */ 465 #define SMSACCT 0x02000000 /* process is keeping micro-state accounting */ 466 #define SLWPWRAP 0x04000000 /* process has wrapped its lwp ids */ 467 #define SAUTOLPG 0x08000000 /* kernel controls page sizes */ 468 #define SNOCD 0x10000000 /* new creds from VSxID, do not coredump */ 469 #define SHOLDWATCH 0x20000000 /* hold lwps for watchpoint operation */ 470 #define SMSFORK 0x40000000 /* child inherits micro-state accounting */ 471 #define SDOCORE 0x80000000 /* process will attempt to dump core */ 472 473 /* 474 * p_poolflag codes 475 * 476 * These flags are used to synchronize with the pool subsystem to allow 477 * re-binding of processes to new pools. 478 */ 479 #define PBWAIT 0x0001 /* process should wait outside fork/exec/exit */ 480 #define PEXITED 0x0002 /* process exited and about to become zombie */ 481 482 /* Macro to convert proc pointer to a user block pointer */ 483 #define PTOU(p) (&(p)->p_user) 484 485 #define tracing(p, sig) (sigismember(&(p)->p_sigmask, sig)) 486 487 /* Macro to reduce unnecessary calls to issig() */ 488 489 #define ISSIG(t, why) ISSIG_FAST(t, ttolwp(t), ttoproc(t), why) 490 491 /* 492 * Fast version of ISSIG. 493 * 1. uses register pointers to lwp and proc instead of reloading them. 494 * 2. uses bit-wise OR of tests, since the usual case is that none of them 495 * are true, this saves orcc's and branches. 496 * 3. load the signal flags instead of using sigisempty() macro which does 497 * a branch to convert to boolean. 498 */ 499 #define ISSIG_FAST(t, lwp, p, why) \ 500 (ISSIG_PENDING(t, lwp, p) && issig(why)) 501 502 #define ISSIG_PENDING(t, lwp, p) \ 503 ((lwp)->lwp_cursig | \ 504 sigcheck((p), (t)) | \ 505 (p)->p_stopsig | \ 506 (t)->t_dtrace_stop | \ 507 (t)->t_dtrace_sig | \ 508 ((t)->t_proc_flag & (TP_PRSTOP|TP_HOLDLWP|TP_CHKPT|TP_PAUSE)) | \ 509 ((p)->p_flag & (SEXITLWPS|SKILLED|SHOLDFORK1|SHOLDWATCH))) 510 511 #define ISSTOP(sig) (u.u_signal[sig-1] == SIG_DFL && \ 512 sigismember(&stopdefault, sig)) 513 514 #define ISHOLD(p) ((p)->p_flag & SHOLDFORK) 515 516 #define MUSTRETURN(p, t) (ISHOLD(p) | (t)->t_activefd.a_stale) 517 518 /* 519 * Determine if there are any watchpoints active in the process. 520 */ 521 #define pr_watch_active(p) (avl_numnodes(&(p)->p_warea) != 0) 522 523 /* Reasons for calling issig() */ 524 525 #define FORREAL 0 /* Usual side-effects */ 526 #define JUSTLOOKING 1 /* Don't stop the process */ 527 528 /* 'what' values for stop(PR_SUSPENDED, what) */ 529 #define SUSPEND_NORMAL 0 530 #define SUSPEND_PAUSE 1 531 532 /* pseudo-flag to lwp_create() */ 533 #define NOCLASS (-1) 534 535 /* LWP stats updated via lwp_stats_update() */ 536 typedef enum { 537 LWP_STAT_INBLK, 538 LWP_STAT_OUBLK, 539 LWP_STAT_MSGRCV, 540 LWP_STAT_MSGSND 541 } lwp_stat_id_t; 542 543 #ifdef _KERNEL 544 545 /* user profiling functions */ 546 547 extern void profil_tick(uintptr_t); 548 549 /* process management functions */ 550 551 extern int newproc(void (*)(), caddr_t, id_t, int, struct contract **); 552 extern void vfwait(pid_t); 553 extern void proc_detach(proc_t *); 554 extern void freeproc(proc_t *); 555 extern void setrun(kthread_t *); 556 extern void setrun_locked(kthread_t *); 557 extern void exit(int, int); 558 extern int proc_exit(int, int); 559 extern void proc_is_exiting(proc_t *); 560 extern void relvm(void); 561 extern void add_ns(proc_t *, proc_t *); 562 extern void delete_ns(proc_t *, proc_t *); 563 extern void upcount_inc(uid_t, zoneid_t); 564 extern void upcount_dec(uid_t, zoneid_t); 565 extern int upcount_get(uid_t, zoneid_t); 566 #if defined(__x86) 567 extern void ldt_dup(proc_t *, proc_t *); 568 extern selector_t setup_thrptr(proc_t *, uintptr_t); 569 #endif 570 571 extern void sigcld(proc_t *, sigqueue_t *); 572 extern void sigcld_delete(k_siginfo_t *); 573 extern void sigcld_repost(void); 574 extern int fsig(k_sigset_t *, kthread_t *); 575 extern void psig(void); 576 extern void stop(int, int); 577 extern int stop_on_fault(uint_t, k_siginfo_t *); 578 extern int issig(int); 579 extern int jobstopped(proc_t *); 580 extern void psignal(proc_t *, int); 581 extern void tsignal(kthread_t *, int); 582 extern void sigtoproc(proc_t *, kthread_t *, int); 583 extern void trapsig(k_siginfo_t *, int); 584 extern int eat_signal(kthread_t *, int); 585 extern int signal_is_blocked(kthread_t *, int); 586 extern int sigcheck(proc_t *, kthread_t *); 587 extern void sigdefault(proc_t *); 588 589 extern void pid_setmin(void); 590 extern pid_t pid_assign(proc_t *); 591 extern int pid_rele(struct pid *); 592 extern void pid_exit(proc_t *); 593 extern void proc_entry_free(struct pid *); 594 extern proc_t *prfind(pid_t); 595 extern proc_t *prfind_zone(pid_t, zoneid_t); 596 extern proc_t *pgfind(pid_t); 597 extern proc_t *pgfind_zone(pid_t, zoneid_t); 598 extern proc_t *sprlock(pid_t); 599 extern proc_t *sprlock_zone(pid_t, zoneid_t); 600 extern void sprlock_proc(proc_t *); 601 extern void sprunlock(proc_t *); 602 extern void pid_init(void); 603 extern proc_t *pid_entry(int); 604 extern int pid_slot(proc_t *); 605 extern void signal(pid_t, int); 606 extern void prsignal(struct pid *, int); 607 extern int uread(proc_t *, void *, size_t, uintptr_t); 608 extern int uwrite(proc_t *, void *, size_t, uintptr_t); 609 610 extern void pgsignal(struct pid *, int); 611 extern void pgjoin(proc_t *, struct pid *); 612 extern void pgcreate(proc_t *); 613 extern void pgexit(proc_t *); 614 extern void pgdetach(proc_t *); 615 extern int pgmembers(pid_t); 616 617 extern void init_mstate(kthread_t *, int); 618 extern int new_mstate(kthread_t *, int); 619 extern void restore_mstate(kthread_t *); 620 extern void term_mstate(kthread_t *); 621 extern void estimate_msacct(kthread_t *, hrtime_t); 622 extern void disable_msacct(proc_t *); 623 extern hrtime_t mstate_aggr_state(proc_t *, int); 624 extern void syscall_mstate(int, int); 625 626 extern uint_t cpu_update_pct(kthread_t *, hrtime_t); 627 628 extern void set_proc_pre_sys(proc_t *p); 629 extern void set_proc_post_sys(proc_t *p); 630 extern void set_proc_sys(proc_t *p); 631 extern void set_proc_ast(proc_t *p); 632 extern void set_all_proc_sys(void); 633 634 /* thread function prototypes */ 635 636 extern kthread_t *thread_create( 637 caddr_t stk, 638 size_t stksize, 639 void (*proc)(), 640 void *arg, 641 size_t len, 642 proc_t *pp, 643 int state, 644 pri_t pri); 645 extern void thread_exit(void) __NORETURN; 646 extern void thread_free(kthread_t *); 647 extern void thread_rele(kthread_t *); 648 extern void thread_join(kt_did_t); 649 extern int reaper(void); 650 extern void installctx(kthread_t *, void *, void (*)(), void (*)(), 651 void (*)(), void (*)(), void (*)(), void (*)()); 652 extern int removectx(kthread_t *, void *, void (*)(), void (*)(), 653 void (*)(), void (*)(), void (*)(), void (*)()); 654 extern void savectx(kthread_t *); 655 extern void restorectx(kthread_t *); 656 extern void forkctx(kthread_t *, kthread_t *); 657 extern void lwp_createctx(kthread_t *, kthread_t *); 658 extern void exitctx(kthread_t *); 659 extern void freectx(kthread_t *, int); 660 extern void installpctx(proc_t *, void *, void (*)(), void (*)(), 661 void (*)(), void (*)(), void (*)()); 662 extern int removepctx(proc_t *, void *, void (*)(), void (*)(), 663 void (*)(), void (*)(), void (*)()); 664 extern void savepctx(proc_t *); 665 extern void restorepctx(proc_t *); 666 extern void forkpctx(proc_t *, proc_t *); 667 extern void exitpctx(proc_t *); 668 extern void freepctx(proc_t *, int); 669 extern kthread_t *thread_unpin(void); 670 extern void thread_create_intr(struct cpu *); 671 extern void thread_init(void); 672 extern void thread_load(kthread_t *, void (*)(), caddr_t, size_t); 673 674 extern void tsd_create(uint_t *, void (*)(void *)); 675 extern void tsd_destroy(uint_t *); 676 extern void *tsd_getcreate(uint_t *, void (*)(void *), void *(*)(void)); 677 extern void *tsd_get(uint_t); 678 extern int tsd_set(uint_t, void *); 679 extern void tsd_exit(void); 680 extern void *tsd_agent_get(kthread_t *, uint_t); 681 extern int tsd_agent_set(kthread_t *, uint_t, void *); 682 683 /* lwp function prototypes */ 684 685 extern klwp_t *lwp_create( 686 void (*proc)(), 687 caddr_t arg, 688 size_t len, 689 proc_t *p, 690 int state, 691 int pri, 692 const k_sigset_t *smask, 693 int cid, 694 id_t lwpid); 695 extern kthread_t *idtot(proc_t *, id_t); 696 extern void lwp_hash_in(proc_t *, lwpent_t *); 697 extern void lwp_hash_out(proc_t *, id_t); 698 extern lwpdir_t *lwp_hash_lookup(proc_t *, id_t); 699 extern void lwp_create_done(kthread_t *); 700 extern void lwp_exit(void); 701 extern void lwp_pcb_exit(void); 702 extern void lwp_cleanup(void); 703 extern int lwp_suspend(kthread_t *); 704 extern void lwp_continue(kthread_t *); 705 extern void holdlwp(void); 706 extern void stoplwp(void); 707 extern int holdlwps(int); 708 extern int holdwatch(void); 709 extern void pokelwps(proc_t *); 710 extern void continuelwps(proc_t *); 711 extern int exitlwps(int); 712 extern void lwp_ctmpl_copy(klwp_t *, klwp_t *); 713 extern void lwp_ctmpl_clear(klwp_t *); 714 extern klwp_t *forklwp(klwp_t *, proc_t *, id_t); 715 extern void lwp_load(klwp_t *, gregset_t, uintptr_t); 716 extern void lwp_setrval(klwp_t *, int, int); 717 extern void lwp_forkregs(klwp_t *, klwp_t *); 718 extern void lwp_freeregs(klwp_t *, int); 719 extern caddr_t lwp_stk_init(klwp_t *, caddr_t); 720 extern void lwp_stk_fini(klwp_t *); 721 extern void lwp_installctx(klwp_t *); 722 extern void lwp_rtt(void); 723 extern void lwp_rtt_initial(void); 724 extern int lwp_setprivate(klwp_t *, int, uintptr_t); 725 extern void lwp_stat_update(lwp_stat_id_t, long); 726 727 /* 728 * Signal queue function prototypes. Must be here due to header ordering 729 * dependencies. 730 */ 731 extern void sigqfree(proc_t *); 732 extern void siginfofree(sigqueue_t *); 733 extern void sigdeq(proc_t *, kthread_t *, int, sigqueue_t **); 734 extern void sigdelq(proc_t *, kthread_t *, int); 735 extern void sigaddq(proc_t *, kthread_t *, k_siginfo_t *, int); 736 extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *); 737 extern void sigqsend(int, proc_t *, kthread_t *, sigqueue_t *); 738 extern void sigdupq(proc_t *, proc_t *); 739 extern int sigwillqueue(int, int); 740 extern sigqhdr_t *sigqhdralloc(size_t, uint_t); 741 extern sigqueue_t *sigqalloc(sigqhdr_t *); 742 extern void sigqhdrfree(sigqhdr_t *); 743 extern sigqueue_t *sigappend(k_sigset_t *, sigqueue_t *, 744 k_sigset_t *, sigqueue_t *); 745 extern sigqueue_t *sigprepend(k_sigset_t *, sigqueue_t *, 746 k_sigset_t *, sigqueue_t *); 747 extern void winfo(proc_t *, k_siginfo_t *, int); 748 extern int wstat(int, int); 749 extern int sendsig(int, k_siginfo_t *, void (*)()); 750 #if defined(_SYSCALL32_IMPL) 751 extern int sendsig32(int, k_siginfo_t *, void (*)()); 752 #endif 753 754 #endif /* _KERNEL */ 755 756 #ifdef __cplusplus 757 } 758 #endif 759 760 #endif /* _SYS_PROC_H */ 761