proc.h revision 6994:f537e4b46012
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 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28/* All Rights Reserved */ 29 30#ifndef _SYS_PROC_H 31#define _SYS_PROC_H 32 33#pragma ident "%Z%%M% %I% %E% SMI" 34 35#include <sys/time.h> 36 37#include <sys/thread.h> 38#include <sys/cred.h> 39#include <sys/user.h> 40#include <sys/watchpoint.h> 41#include <sys/timer.h> 42#if defined(__x86) 43#include <sys/tss.h> 44#include <sys/segments.h> 45#endif 46#include <sys/utrap.h> 47#include <sys/model.h> 48#include <sys/refstr.h> 49#include <sys/avl.h> 50#include <sys/rctl.h> 51#include <sys/list.h> 52#include <sys/avl.h> 53#include <sys/door_impl.h> 54 55#ifdef __cplusplus 56extern "C" { 57#endif 58 59/* 60 * Profile arguments. 61 */ 62struct prof { 63 void *pr_base; /* buffer base */ 64 uintptr_t pr_off; /* pc offset */ 65 size_t pr_size; /* buffer size */ 66 uint32_t pr_scale; /* pc scaling */ 67 long pr_samples; /* sample count */ 68}; 69 70/* hash function for the lwpid hash table, p->p_tidhash[] */ 71#define TIDHASH(p, tid) ((tid) & ((p)->p_tidhash_sz - 1)) 72 73/* 74 * An lwp directory entry. 75 * If le_thread != NULL, this is an active lwp. 76 * If le_thread == NULL, this is an unreaped zombie lwp. 77 */ 78typedef struct lwpent { 79 kthread_t *le_thread; /* the active lwp, NULL if zombie */ 80 id_t le_lwpid; /* its lwpid (t->t_tid) */ 81 uint16_t le_waiters; /* total number of lwp_wait()ers */ 82 uint16_t le_dwaiters; /* number that are daemons */ 83 clock_t le_start; /* start time of this lwp */ 84 struct vnode *le_trace; /* pointer to /proc lwp vnode */ 85} lwpent_t; 86 87typedef struct pctxop { 88 void (*save_op)(void *); /* function to invoke to save ctx */ 89 void (*restore_op)(void *); /* function to invoke to restore ctx */ 90 void (*fork_op)(void *, void *); /* invoke to fork context */ 91 void (*exit_op)(void *); /* invoked during process exit */ 92 void (*free_op)(void *, int); /* function which frees the context */ 93 void *arg; /* argument to above functions */ 94 struct pctxop *next; /* next pcontext ops */ 95} pctxop_t; 96 97/* 98 * Elements of the lwp directory, p->p_lwpdir[]. 99 * 100 * We allocate lwp directory entries separately from lwp directory 101 * elements because the lwp directory must be allocated as an array. 102 * The number of lwps can grow quite large and we want to keep the 103 * size of the kmem_alloc()d directory as small as possible. 104 * 105 * If ld_entry == NULL, the entry is free and is on the free list, 106 * p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the 107 * entry is used and ld_next is the thread-id hash link pointer. 108 */ 109typedef struct lwpdir { 110 struct lwpdir *ld_next; /* hash chain or free list */ 111 struct lwpent *ld_entry; /* lwp directory entry */ 112} lwpdir_t; 113 114struct pool; 115struct task; 116struct zone; 117struct brand; 118struct corectl_path; 119struct corectl_content; 120 121/* 122 * One structure allocated per active process. It contains all 123 * data needed about the process while the process may be swapped 124 * out. Other per-process data (user.h) is also inside the proc structure. 125 * Lightweight-process data (lwp.h) and the kernel stack may be swapped out. 126 */ 127typedef struct proc { 128 /* 129 * Fields requiring no explicit locking 130 */ 131 struct vnode *p_exec; /* pointer to a.out vnode */ 132 struct as *p_as; /* process address space pointer */ 133 struct plock *p_lockp; /* ptr to proc struct's mutex lock */ 134 kmutex_t p_crlock; /* lock for p_cred */ 135 struct cred *p_cred; /* process credentials */ 136 /* 137 * Fields protected by pidlock 138 */ 139 int p_swapcnt; /* number of swapped out lwps */ 140 char p_stat; /* status of process */ 141 char p_wcode; /* current wait code */ 142 ushort_t p_pidflag; /* flags protected only by pidlock */ 143 int p_wdata; /* current wait return value */ 144 pid_t p_ppid; /* process id of parent */ 145 struct proc *p_link; /* forward link */ 146 struct proc *p_parent; /* ptr to parent process */ 147 struct proc *p_child; /* ptr to first child process */ 148 struct proc *p_sibling; /* ptr to next sibling proc on chain */ 149 struct proc *p_psibling; /* ptr to prev sibling proc on chain */ 150 struct proc *p_sibling_ns; /* prt to siblings with new state */ 151 struct proc *p_child_ns; /* prt to children with new state */ 152 struct proc *p_next; /* active chain link next */ 153 struct proc *p_prev; /* active chain link prev */ 154 struct proc *p_nextofkin; /* gets accounting info at exit */ 155 struct proc *p_orphan; 156 struct proc *p_nextorph; 157 struct proc *p_pglink; /* process group hash chain link next */ 158 struct proc *p_ppglink; /* process group hash chain link prev */ 159 struct sess *p_sessp; /* session information */ 160 struct pid *p_pidp; /* process ID info */ 161 struct pid *p_pgidp; /* process group ID info */ 162 /* 163 * Fields protected by p_lock 164 */ 165 kcondvar_t p_cv; /* proc struct's condition variable */ 166 kcondvar_t p_flag_cv; 167 kcondvar_t p_lwpexit; /* waiting for some lwp to exit */ 168 kcondvar_t p_holdlwps; /* process is waiting for its lwps */ 169 /* to to be held. */ 170 uint_t p_proc_flag; /* /proc-related flags */ 171 uint_t p_flag; /* protected while set. */ 172 /* flags defined below */ 173 clock_t p_utime; /* user time, this process */ 174 clock_t p_stime; /* system time, this process */ 175 clock_t p_cutime; /* sum of children's user time */ 176 clock_t p_cstime; /* sum of children's system time */ 177 avl_tree_t *p_segacct; /* System V shared segment list */ 178 avl_tree_t *p_semacct; /* System V semaphore undo list */ 179 caddr_t p_bssbase; /* base addr of last bss below heap */ 180 caddr_t p_brkbase; /* base addr of heap */ 181 size_t p_brksize; /* heap size in bytes */ 182 uint_t p_brkpageszc; /* preferred heap max page size code */ 183 /* 184 * Per process signal stuff. 185 */ 186 k_sigset_t p_sig; /* signals pending to this process */ 187 k_sigset_t p_extsig; /* signals sent from another contract */ 188 k_sigset_t p_ignore; /* ignore when generated */ 189 k_sigset_t p_siginfo; /* gets signal info with signal */ 190 struct sigqueue *p_sigqueue; /* queued siginfo structures */ 191 struct sigqhdr *p_sigqhdr; /* hdr to sigqueue structure pool */ 192 struct sigqhdr *p_signhdr; /* hdr to signotify structure pool */ 193 uchar_t p_stopsig; /* jobcontrol stop signal */ 194 195 /* 196 * Special per-process flag when set will fix misaligned memory 197 * references. 198 */ 199 char p_fixalignment; 200 201 /* 202 * Per process lwp and kernel thread stuff 203 */ 204 id_t p_lwpid; /* most recently allocated lwpid */ 205 int p_lwpcnt; /* number of lwps in this process */ 206 int p_lwprcnt; /* number of not stopped lwps */ 207 int p_lwpdaemon; /* number of TP_DAEMON lwps */ 208 int p_lwpwait; /* number of lwps in lwp_wait() */ 209 int p_lwpdwait; /* number of daemons in lwp_wait() */ 210 int p_zombcnt; /* number of zombie lwps */ 211 kthread_t *p_tlist; /* circular list of threads */ 212 lwpdir_t *p_lwpdir; /* thread (lwp) directory */ 213 lwpdir_t *p_lwpfree; /* p_lwpdir free list */ 214 lwpdir_t **p_tidhash; /* tid (lwpid) lookup hash table */ 215 uint_t p_lwpdir_sz; /* number of p_lwpdir[] entries */ 216 uint_t p_tidhash_sz; /* number of p_tidhash[] entries */ 217 uint64_t p_lgrpset; /* unprotected hint of set of lgrps */ 218 /* on which process has threads */ 219 volatile lgrp_id_t p_t1_lgrpid; /* main's thread lgroup id */ 220 volatile lgrp_id_t p_tr_lgrpid; /* text replica's lgroup id */ 221#if defined(_LP64) 222 uintptr_t p_lgrpres2; /* reserved for lgrp migration */ 223#endif 224 /* 225 * /proc (process filesystem) debugger interface stuff. 226 */ 227 k_sigset_t p_sigmask; /* mask of traced signals (/proc) */ 228 k_fltset_t p_fltmask; /* mask of traced faults (/proc) */ 229 struct vnode *p_trace; /* pointer to primary /proc vnode */ 230 struct vnode *p_plist; /* list of /proc vnodes for process */ 231 kthread_t *p_agenttp; /* thread ptr for /proc agent lwp */ 232 avl_tree_t p_warea; /* list of watched areas */ 233 avl_tree_t p_wpage; /* remembered watched pages (vfork) */ 234 watched_page_t *p_wprot; /* pages that need to have prot set */ 235 int p_mapcnt; /* number of active pr_mappage()s */ 236 kmutex_t p_maplock; /* lock for pr_mappage() */ 237 struct proc *p_rlink; /* linked list for server */ 238 kcondvar_t p_srwchan_cv; 239 size_t p_stksize; /* process stack size in bytes */ 240 uint_t p_stkpageszc; /* preferred stack max page size code */ 241 242 /* 243 * Microstate accounting, resource usage, and real-time profiling 244 */ 245 hrtime_t p_mstart; /* hi-res process start time */ 246 hrtime_t p_mterm; /* hi-res process termination time */ 247 hrtime_t p_mlreal; /* elapsed time sum over defunct lwps */ 248 hrtime_t p_acct[NMSTATES]; /* microstate sum over defunct lwps */ 249 hrtime_t p_cacct[NMSTATES]; /* microstate sum over child procs */ 250 struct lrusage p_ru; /* lrusage sum over defunct lwps */ 251 struct lrusage p_cru; /* lrusage sum over child procs */ 252 struct itimerval p_rprof_timer; /* ITIMER_REALPROF interval timer */ 253 uintptr_t p_rprof_cyclic; /* ITIMER_REALPROF cyclic */ 254 uint_t p_defunct; /* number of defunct lwps */ 255 /* 256 * profiling. A lock is used in the event of multiple lwp's 257 * using the same profiling base/size. 258 */ 259 kmutex_t p_pflock; /* protects user profile arguments */ 260 struct prof p_prof; /* profile arguments */ 261 262 /* 263 * The user structure 264 */ 265 struct user p_user; /* (see sys/user.h) */ 266 267 /* 268 * Doors. 269 */ 270 door_pool_t p_server_threads; /* common thread pool */ 271 struct door_node *p_door_list; /* active doors */ 272 struct door_node *p_unref_list; 273 kcondvar_t p_unref_cv; 274 char p_unref_thread; /* unref thread created */ 275 276 /* 277 * Kernel probes 278 */ 279 uchar_t p_tnf_flags; 280 281 /* 282 * Solaris Audit 283 */ 284 struct p_audit_data *p_audit_data; /* per process audit structure */ 285 286 pctxop_t *p_pctx; 287 288#if defined(__x86) 289 /* 290 * LDT support. 291 */ 292 kmutex_t p_ldtlock; /* protects the following fields */ 293 user_desc_t *p_ldt; /* Pointer to private LDT */ 294 system_desc_t p_ldt_desc; /* segment descriptor for private LDT */ 295 ushort_t p_ldtlimit; /* highest selector used */ 296#endif 297 size_t p_swrss; /* resident set size before last swap */ 298 struct aio *p_aio; /* pointer to async I/O struct */ 299 struct itimer **p_itimer; /* interval timers */ 300 timeout_id_t p_alarmid; /* alarm's timeout id */ 301 caddr_t p_usrstack; /* top of the process stack */ 302 uint_t p_stkprot; /* stack memory protection */ 303 uint_t p_datprot; /* data memory protection */ 304 model_t p_model; /* data model determined at exec time */ 305 struct lwpchan_data *p_lcp; /* lwpchan cache */ 306 kmutex_t p_lcp_lock; /* protects assignments to p_lcp */ 307 utrap_handler_t *p_utraps; /* pointer to user trap handlers */ 308 struct corectl_path *p_corefile; /* pattern for core file */ 309 struct task *p_task; /* our containing task */ 310 struct proc *p_taskprev; /* ptr to previous process in task */ 311 struct proc *p_tasknext; /* ptr to next process in task */ 312 kmutex_t p_sc_lock; /* protects p_pagep */ 313 struct sc_page_ctl *p_pagep; /* list of process's shared pages */ 314 struct rctl_set *p_rctls; /* resource controls for this process */ 315 rlim64_t p_stk_ctl; /* currently enforced stack size */ 316 rlim64_t p_fsz_ctl; /* currently enforced file size */ 317 rlim64_t p_vmem_ctl; /* currently enforced addr-space size */ 318 rlim64_t p_fno_ctl; /* currently enforced file-desc limit */ 319 pid_t p_ancpid; /* ancestor pid, used by exacct */ 320 struct itimerval p_realitimer; /* real interval timer */ 321 timeout_id_t p_itimerid; /* real interval timer's timeout id */ 322 struct corectl_content *p_content; /* content of core file */ 323 324 avl_tree_t p_ct_held; /* held contracts */ 325 struct ct_equeue **p_ct_equeue; /* process-type event queues */ 326 327 struct cont_process *p_ct_process; /* process contract */ 328 list_node_t p_ct_member; /* process contract membership */ 329 sigqueue_t *p_killsqp; /* sigqueue pointer for SIGKILL */ 330 331 int p_dtrace_probes; /* are there probes for this proc? */ 332 uint64_t p_dtrace_count; /* number of DTrace tracepoints */ 333 /* (protected by P_PR_LOCK) */ 334 void *p_dtrace_helpers; /* DTrace helpers, if any */ 335 struct pool *p_pool; /* pointer to containing pool */ 336 kcondvar_t p_poolcv; /* synchronization with pools */ 337 uint_t p_poolcnt; /* # threads inside pool barrier */ 338 uint_t p_poolflag; /* pool-related flags (see below) */ 339 uintptr_t p_portcnt; /* event ports counter */ 340 struct zone *p_zone; /* zone in which process lives */ 341 struct vnode *p_execdir; /* directory that p_exec came from */ 342 struct brand *p_brand; /* process's brand */ 343 void *p_brand_data; /* per-process brand state */ 344 345 /* additional lock to protect p_sessp (but not its contents) */ 346 kmutex_t p_splock; 347 rctl_qty_t p_locked_mem; /* locked memory charged to proc */ 348 /* protected by p_lock */ 349 rctl_qty_t p_crypto_mem; /* /dev/crypto memory charged to proc */ 350 /* protected by p_lock */ 351 clock_t p_ttime; /* buffered task time */ 352} proc_t; 353 354#define PROC_T /* headers relying on proc_t are OK */ 355 356#ifdef _KERNEL 357 358/* active process chain */ 359 360extern proc_t *practive; 361 362/* Well known processes */ 363 364extern proc_t *proc_sched; /* memory scheduler */ 365extern proc_t *proc_init; /* init */ 366extern proc_t *proc_pageout; /* pageout daemon */ 367extern proc_t *proc_fsflush; /* filesystem sync-er */ 368 369#endif /* _KERNEL */ 370 371/* 372 * Stuff to keep track of the number of processes each uid has. 373 * It is tracked on a per-zone basis; that is, if users in different 374 * zones have the same uid, they are tracked separately. 375 * 376 * A structure is allocated when a new <uid,zoneid> pair shows up 377 * There is a hash to find each structure. 378 */ 379struct upcount { 380 struct upcount *up_next; 381 uid_t up_uid; 382 zoneid_t up_zoneid; 383 uint_t up_count; 384}; 385 386/* process ID info */ 387 388struct pid { 389 unsigned int pid_prinactive :1; 390 unsigned int pid_pgorphaned :1; 391 unsigned int pid_padding :6; /* used to be pid_ref, now an int */ 392 unsigned int pid_prslot :24; 393 pid_t pid_id; 394 struct proc *pid_pglink; 395 struct proc *pid_pgtail; 396 struct pid *pid_link; 397 uint_t pid_ref; 398}; 399 400#define p_pgrp p_pgidp->pid_id 401#define p_pid p_pidp->pid_id 402#define p_slot p_pidp->pid_prslot 403#define p_detached p_pgidp->pid_pgorphaned 404 405#define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 406 ++(pidp)->pid_ref; 407#define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 408 (pidp)->pid_ref > 1 ? \ 409 --(pidp)->pid_ref : pid_rele(pidp); 410 411/* 412 * Structure containing persistent process lock. The structure and 413 * macro allow "mutex_enter(&p->p_lock)" to continue working. 414 */ 415struct plock { 416 kmutex_t pl_lock; 417}; 418#define p_lock p_lockp->pl_lock 419 420#ifdef _KERNEL 421extern proc_t p0; /* process 0 */ 422extern struct plock p0lock; /* p0's plock */ 423extern struct pid pid0; /* p0's pid */ 424 425/* pid_allocate() flags */ 426#define PID_ALLOC_PROC 0x0001 /* assign a /proc slot as well */ 427 428#endif /* _KERNEL */ 429 430/* stat codes */ 431 432#define SSLEEP 1 /* awaiting an event */ 433#define SRUN 2 /* runnable */ 434#define SZOMB 3 /* process terminated but not waited for */ 435#define SSTOP 4 /* process stopped by debugger */ 436#define SIDL 5 /* intermediate state in process creation */ 437#define SONPROC 6 /* process is being run on a processor */ 438#define SWAIT 7 /* process is waiting to become runnable */ 439 440/* p_pidflag codes */ 441#define CLDPEND 0x0001 /* have yet to post a SIGCHLD to the parent */ 442#define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */ 443#define CLDNOSIGCHLD 0x0004 /* do not post SIGCHLD when child terminates */ 444#define CLDWAITPID 0x0008 /* only waitid(P_PID, pid) can reap the child */ 445 446/* p_proc_flag codes -- these flags are mostly private to /proc */ 447#define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */ 448#define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */ 449#define P_PR_FORK 0x0004 /* child inherits tracing flags */ 450#define P_PR_LOCK 0x0008 /* process locked by /proc */ 451#define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */ 452#define P_PR_EXEC 0x0020 /* process is in exec() */ 453#define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */ 454#define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */ 455#define P_PR_KILLCL 0x0100 /* kill process on last /proc close */ 456 457/* 458 * p_flag codes 459 * 460 * note that two of these flags, SMSACCT and SSYS, are exported to /proc's 461 * psinfo_t.p_flag field. Historically, all were, but since they are 462 * implementation dependant, we only export the ones people have come to 463 * rely upon. Hence, the bit positions of SSYS and SMSACCT should not be 464 * altered. 465 */ 466#define SSYS 0x00000001 /* system (resident) process */ 467#define SEXITING 0x00000002 /* process is exiting */ 468#define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */ 469#define SFORKING 0x00000008 /* tells called functions that we're forking */ 470#define SWATCHOK 0x00000010 /* proc in acceptable state for watchpoints */ 471#define SKILLED 0x00000100 /* SIGKILL has been posted to the process */ 472#define SSCONT 0x00000200 /* SIGCONT has been posted to the process */ 473#define SZONETOP 0x00000400 /* process has no valid PPID in its zone */ 474#define SEXTKILLED 0x00000800 /* SKILLED is from another contract */ 475#define SUGID 0x00002000 /* process was result of set[ug]id exec */ 476#define SEXECED 0x00004000 /* this process has execed */ 477#define SJCTL 0x00010000 /* SIGCHLD sent when children stop/continue */ 478#define SNOWAIT 0x00020000 /* children never become zombies */ 479#define SVFORK 0x00040000 /* child of vfork that has not yet exec'd */ 480#define SVFWAIT 0x00080000 /* parent of vfork waiting for child to exec */ 481#define SEXITLWPS 0x00100000 /* have lwps exit within the process */ 482#define SHOLDFORK 0x00200000 /* hold lwps where they're cloneable */ 483#define SHOLDFORK1 0x00800000 /* hold lwps in place (not cloning) */ 484#define SCOREDUMP 0x01000000 /* process is dumping core */ 485#define SMSACCT 0x02000000 /* process is keeping micro-state accounting */ 486#define SLWPWRAP 0x04000000 /* process has wrapped its lwp ids */ 487#define SAUTOLPG 0x08000000 /* kernel controls page sizes */ 488#define SNOCD 0x10000000 /* new creds from VSxID, do not coredump */ 489#define SHOLDWATCH 0x20000000 /* hold lwps for watchpoint operation */ 490#define SMSFORK 0x40000000 /* child inherits micro-state accounting */ 491#define SDOCORE 0x80000000 /* process will attempt to dump core */ 492 493/* 494 * p_poolflag codes 495 * 496 * These flags are used to synchronize with the pool subsystem to allow 497 * re-binding of processes to new pools. 498 */ 499#define PBWAIT 0x0001 /* process should wait outside fork/exec/exit */ 500#define PEXITED 0x0002 /* process exited and about to become zombie */ 501 502/* Macro to convert proc pointer to a user block pointer */ 503#define PTOU(p) (&(p)->p_user) 504 505#define tracing(p, sig) (sigismember(&(p)->p_sigmask, sig)) 506 507/* Macro to reduce unnecessary calls to issig() */ 508 509#define ISSIG(t, why) ISSIG_FAST(t, ttolwp(t), ttoproc(t), why) 510 511/* 512 * Fast version of ISSIG. 513 * 1. uses register pointers to lwp and proc instead of reloading them. 514 * 2. uses bit-wise OR of tests, since the usual case is that none of them 515 * are true, this saves orcc's and branches. 516 * 3. load the signal flags instead of using sigisempty() macro which does 517 * a branch to convert to boolean. 518 */ 519#define ISSIG_FAST(t, lwp, p, why) \ 520 (ISSIG_PENDING(t, lwp, p) && issig(why)) 521 522#define ISSIG_PENDING(t, lwp, p) \ 523 ((lwp)->lwp_cursig | \ 524 sigcheck((p), (t)) | \ 525 (p)->p_stopsig | \ 526 (t)->t_dtrace_stop | \ 527 (t)->t_dtrace_sig | \ 528 ((t)->t_proc_flag & (TP_PRSTOP|TP_HOLDLWP|TP_CHKPT|TP_PAUSE)) | \ 529 ((p)->p_flag & (SEXITLWPS|SKILLED|SHOLDFORK1|SHOLDWATCH))) 530 531#define ISSTOP(sig) (u.u_signal[sig-1] == SIG_DFL && \ 532 sigismember(&stopdefault, sig)) 533 534#define ISHOLD(p) ((p)->p_flag & SHOLDFORK) 535 536#define MUSTRETURN(p, t) (ISHOLD(p) | (t)->t_activefd.a_stale) 537 538/* 539 * Determine if there are any watchpoints active in the process. 540 */ 541#define pr_watch_active(p) (avl_numnodes(&(p)->p_warea) != 0) 542 543/* Reasons for calling issig() */ 544 545#define FORREAL 0 /* Usual side-effects */ 546#define JUSTLOOKING 1 /* Don't stop the process */ 547 548/* 'what' values for stop(PR_SUSPENDED, what) */ 549#define SUSPEND_NORMAL 0 550#define SUSPEND_PAUSE 1 551 552/* pseudo-flag to lwp_create() */ 553#define NOCLASS (-1) 554 555/* LWP stats updated via lwp_stats_update() */ 556typedef enum { 557 LWP_STAT_INBLK, 558 LWP_STAT_OUBLK, 559 LWP_STAT_MSGRCV, 560 LWP_STAT_MSGSND 561} lwp_stat_id_t; 562 563#ifdef _KERNEL 564 565/* user profiling functions */ 566 567extern void profil_tick(uintptr_t); 568 569/* process management functions */ 570 571extern int newproc(void (*)(), caddr_t, id_t, int, struct contract **); 572extern void vfwait(pid_t); 573extern void proc_detach(proc_t *); 574extern void freeproc(proc_t *); 575extern void setrun(kthread_t *); 576extern void setrun_locked(kthread_t *); 577extern void exit(int, int); 578extern int proc_exit(int, int); 579extern void proc_is_exiting(proc_t *); 580extern void relvm(void); 581extern void add_ns(proc_t *, proc_t *); 582extern void delete_ns(proc_t *, proc_t *); 583extern void upcount_inc(uid_t, zoneid_t); 584extern void upcount_dec(uid_t, zoneid_t); 585extern int upcount_get(uid_t, zoneid_t); 586#if defined(__x86) 587extern selector_t setup_thrptr(proc_t *, uintptr_t); 588extern void deferred_singlestep_trap(caddr_t); 589#endif 590 591extern void sigcld(proc_t *, sigqueue_t *); 592extern void sigcld_delete(k_siginfo_t *); 593extern void sigcld_repost(void); 594extern int fsig(k_sigset_t *, kthread_t *); 595extern void psig(void); 596extern void stop(int, int); 597extern int stop_on_fault(uint_t, k_siginfo_t *); 598extern int issig(int); 599extern int jobstopped(proc_t *); 600extern void psignal(proc_t *, int); 601extern void tsignal(kthread_t *, int); 602extern void sigtoproc(proc_t *, kthread_t *, int); 603extern void trapsig(k_siginfo_t *, int); 604extern int eat_signal(kthread_t *, int); 605extern int signal_is_blocked(kthread_t *, int); 606extern int sigcheck(proc_t *, kthread_t *); 607extern void sigdefault(proc_t *); 608 609extern void pid_setmin(void); 610extern pid_t pid_allocate(proc_t *, int); 611extern struct pid *pid_find(pid_t); 612extern int pid_rele(struct pid *); 613extern void pid_exit(proc_t *); 614extern void proc_entry_free(struct pid *); 615extern proc_t *prfind(pid_t); 616extern proc_t *prfind_zone(pid_t, zoneid_t); 617extern proc_t *pgfind(pid_t); 618extern proc_t *pgfind_zone(pid_t, zoneid_t); 619extern proc_t *sprlock(pid_t); 620extern proc_t *sprlock_zone(pid_t, zoneid_t); 621extern int sprtrylock_proc(proc_t *); 622extern void sprwaitlock_proc(proc_t *); 623extern void sprlock_proc(proc_t *); 624extern void sprunlock(proc_t *); 625extern void pid_init(void); 626extern proc_t *pid_entry(int); 627extern int pid_slot(proc_t *); 628extern void signal(pid_t, int); 629extern void prsignal(struct pid *, int); 630extern int uread(proc_t *, void *, size_t, uintptr_t); 631extern int uwrite(proc_t *, void *, size_t, uintptr_t); 632 633extern void pgsignal(struct pid *, int); 634extern void pgjoin(proc_t *, struct pid *); 635extern void pgcreate(proc_t *); 636extern void pgexit(proc_t *); 637extern void pgdetach(proc_t *); 638extern int pgmembers(pid_t); 639 640extern void init_mstate(kthread_t *, int); 641extern int new_mstate(kthread_t *, int); 642extern void restore_mstate(kthread_t *); 643extern void term_mstate(kthread_t *); 644extern void estimate_msacct(kthread_t *, hrtime_t); 645extern void disable_msacct(proc_t *); 646extern hrtime_t mstate_aggr_state(proc_t *, int); 647extern hrtime_t mstate_thread_onproc_time(kthread_t *); 648extern void syscall_mstate(int, int); 649 650extern uint_t cpu_update_pct(kthread_t *, hrtime_t); 651 652extern void set_proc_pre_sys(proc_t *p); 653extern void set_proc_post_sys(proc_t *p); 654extern void set_proc_sys(proc_t *p); 655extern void set_proc_ast(proc_t *p); 656extern void set_all_proc_sys(void); 657 658/* thread function prototypes */ 659 660extern kthread_t *thread_create( 661 caddr_t stk, 662 size_t stksize, 663 void (*proc)(), 664 void *arg, 665 size_t len, 666 proc_t *pp, 667 int state, 668 pri_t pri); 669extern void thread_exit(void) __NORETURN; 670extern void thread_free(kthread_t *); 671extern void thread_rele(kthread_t *); 672extern void thread_join(kt_did_t); 673extern int reaper(void); 674extern void installctx(kthread_t *, void *, void (*)(), void (*)(), 675 void (*)(), void (*)(), void (*)(), void (*)()); 676extern int removectx(kthread_t *, void *, void (*)(), void (*)(), 677 void (*)(), void (*)(), void (*)(), void (*)()); 678extern void savectx(kthread_t *); 679extern void restorectx(kthread_t *); 680extern void forkctx(kthread_t *, kthread_t *); 681extern void lwp_createctx(kthread_t *, kthread_t *); 682extern void exitctx(kthread_t *); 683extern void freectx(kthread_t *, int); 684extern void installpctx(proc_t *, void *, void (*)(), void (*)(), 685 void (*)(), void (*)(), void (*)()); 686extern int removepctx(proc_t *, void *, void (*)(), void (*)(), 687 void (*)(), void (*)(), void (*)()); 688extern void savepctx(proc_t *); 689extern void restorepctx(proc_t *); 690extern void forkpctx(proc_t *, proc_t *); 691extern void exitpctx(proc_t *); 692extern void freepctx(proc_t *, int); 693extern kthread_t *thread_unpin(void); 694extern void thread_init(void); 695extern void thread_load(kthread_t *, void (*)(), caddr_t, size_t); 696 697extern void tsd_create(uint_t *, void (*)(void *)); 698extern void tsd_destroy(uint_t *); 699extern void *tsd_getcreate(uint_t *, void (*)(void *), void *(*)(void)); 700extern void *tsd_get(uint_t); 701extern int tsd_set(uint_t, void *); 702extern void tsd_exit(void); 703extern void *tsd_agent_get(kthread_t *, uint_t); 704extern int tsd_agent_set(kthread_t *, uint_t, void *); 705 706/* lwp function prototypes */ 707 708extern klwp_t *lwp_create( 709 void (*proc)(), 710 caddr_t arg, 711 size_t len, 712 proc_t *p, 713 int state, 714 int pri, 715 const k_sigset_t *smask, 716 int cid, 717 id_t lwpid); 718extern kthread_t *idtot(proc_t *, id_t); 719extern void lwp_hash_in(proc_t *, lwpent_t *); 720extern void lwp_hash_out(proc_t *, id_t); 721extern lwpdir_t *lwp_hash_lookup(proc_t *, id_t); 722extern void lwp_create_done(kthread_t *); 723extern void lwp_exit(void); 724extern void lwp_pcb_exit(void); 725extern void lwp_cleanup(void); 726extern int lwp_suspend(kthread_t *); 727extern void lwp_continue(kthread_t *); 728extern void holdlwp(void); 729extern void stoplwp(void); 730extern int holdlwps(int); 731extern int holdwatch(void); 732extern void pokelwps(proc_t *); 733extern void continuelwps(proc_t *); 734extern int exitlwps(int); 735extern void lwp_ctmpl_copy(klwp_t *, klwp_t *); 736extern void lwp_ctmpl_clear(klwp_t *); 737extern klwp_t *forklwp(klwp_t *, proc_t *, id_t); 738extern void lwp_load(klwp_t *, gregset_t, uintptr_t); 739extern void lwp_setrval(klwp_t *, int, int); 740extern void lwp_forkregs(klwp_t *, klwp_t *); 741extern void lwp_freeregs(klwp_t *, int); 742extern caddr_t lwp_stk_init(klwp_t *, caddr_t); 743extern void lwp_stk_cache_init(void); 744extern void lwp_stk_fini(klwp_t *); 745extern void lwp_installctx(klwp_t *); 746extern void lwp_rtt(void); 747extern void lwp_rtt_initial(void); 748extern int lwp_setprivate(klwp_t *, int, uintptr_t); 749extern void lwp_stat_update(lwp_stat_id_t, long); 750extern void lwp_attach_brand_hdlrs(klwp_t *); 751extern void lwp_detach_brand_hdlrs(klwp_t *); 752 753/* 754 * Signal queue function prototypes. Must be here due to header ordering 755 * dependencies. 756 */ 757extern void sigqfree(proc_t *); 758extern void siginfofree(sigqueue_t *); 759extern void sigdeq(proc_t *, kthread_t *, int, sigqueue_t **); 760extern void sigdelq(proc_t *, kthread_t *, int); 761extern void sigaddq(proc_t *, kthread_t *, k_siginfo_t *, int); 762extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *); 763extern void sigqsend(int, proc_t *, kthread_t *, sigqueue_t *); 764extern void sigdupq(proc_t *, proc_t *); 765extern int sigwillqueue(int, int); 766extern sigqhdr_t *sigqhdralloc(size_t, uint_t); 767extern sigqueue_t *sigqalloc(sigqhdr_t *); 768extern void sigqhdrfree(sigqhdr_t *); 769extern sigqueue_t *sigappend(k_sigset_t *, sigqueue_t *, 770 k_sigset_t *, sigqueue_t *); 771extern sigqueue_t *sigprepend(k_sigset_t *, sigqueue_t *, 772 k_sigset_t *, sigqueue_t *); 773extern void winfo(proc_t *, k_siginfo_t *, int); 774extern int wstat(int, int); 775extern int sendsig(int, k_siginfo_t *, void (*)()); 776#if defined(_SYSCALL32_IMPL) 777extern int sendsig32(int, k_siginfo_t *, void (*)()); 778#endif 779 780#endif /* _KERNEL */ 781 782#ifdef __cplusplus 783} 784#endif 785 786#endif /* _SYS_PROC_H */ 787