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 2006 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 31 #ifndef _SYS_PROC_H 32 #define _SYS_PROC_H 33 34 #pragma ident "%Z%%M% %I% %E% SMI" 35 36 #include <sys/time.h> 37 38 #include <sys/thread.h> 39 #include <sys/cred.h> 40 #include <sys/user.h> 41 #include <sys/watchpoint.h> 42 #include <sys/timer.h> 43 #if defined(__x86) 44 #include <sys/tss.h> 45 #include <sys/segments.h> 46 #endif 47 #include <sys/utrap.h> 48 #include <sys/model.h> 49 #include <sys/refstr.h> 50 #include <sys/avl.h> 51 #include <sys/rctl.h> 52 #include <sys/list.h> 53 #include <sys/avl.h> 54 #include <sys/door_impl.h> 55 56 #ifdef __cplusplus 57 extern "C" { 58 #endif 59 60 /* 61 * Profile arguments. 62 */ 63 struct prof { 64 void *pr_base; /* buffer base */ 65 uintptr_t pr_off; /* pc offset */ 66 size_t pr_size; /* buffer size */ 67 uint32_t pr_scale; /* pc scaling */ 68 long pr_samples; /* sample count */ 69 }; 70 71 /* hash function for the lwpid hash table, p->p_tidhash[] */ 72 #define TIDHASH(p, tid) ((tid) & ((p)->p_tidhash_sz - 1)) 73 74 /* 75 * An lwp directory entry. 76 * If le_thread != NULL, this is an active lwp. 77 * If le_thread == NULL, this is an unreaped zombie lwp. 78 */ 79 typedef struct lwpent { 80 kthread_t *le_thread; /* the active lwp, NULL if zombie */ 81 id_t le_lwpid; /* its lwpid (t->t_tid) */ 82 uint16_t le_waiters; /* total number of lwp_wait()ers */ 83 uint16_t le_dwaiters; /* number that are daemons */ 84 clock_t le_start; /* start time of this lwp */ 85 struct vnode *le_trace; /* pointer to /proc lwp vnode */ 86 } lwpent_t; 87 88 typedef struct pctxop { 89 void (*save_op)(void *); /* function to invoke to save ctx */ 90 void (*restore_op)(void *); /* function to invoke to restore ctx */ 91 void (*fork_op)(void *, void *); /* invoke to fork context */ 92 void (*exit_op)(void *); /* invoked during process exit */ 93 void (*free_op)(void *, int); /* function which frees the context */ 94 void *arg; /* argument to above functions */ 95 struct pctxop *next; /* next pcontext ops */ 96 } pctxop_t; 97 98 /* 99 * Elements of the lwp directory, p->p_lwpdir[]. 100 * 101 * We allocate lwp directory entries separately from lwp directory 102 * elements because the lwp directory must be allocated as an array. 103 * The number of lwps can grow quite large and we want to keep the 104 * size of the kmem_alloc()d directory as small as possible. 105 * 106 * If ld_entry == NULL, the entry is free and is on the free list, 107 * p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the 108 * entry is used and ld_next is the thread-id hash link pointer. 109 */ 110 typedef struct lwpdir { 111 struct lwpdir *ld_next; /* hash chain or free list */ 112 struct lwpent *ld_entry; /* lwp directory entry */ 113 } lwpdir_t; 114 115 struct pool; 116 struct task; 117 struct zone; 118 struct corectl_path; 119 struct 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 */ 127 typedef 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 uintptr_t p_lgrpres1; /* reserved for lgrp migration */ 220 uintptr_t p_lgrpres2; /* reserved for lgrp migration */ 221 /* 222 * /proc (process filesystem) debugger interface stuff. 223 */ 224 k_sigset_t p_sigmask; /* mask of traced signals (/proc) */ 225 k_fltset_t p_fltmask; /* mask of traced faults (/proc) */ 226 struct vnode *p_trace; /* pointer to primary /proc vnode */ 227 struct vnode *p_plist; /* list of /proc vnodes for process */ 228 kthread_t *p_agenttp; /* thread ptr for /proc agent lwp */ 229 avl_tree_t p_warea; /* list of watched areas */ 230 avl_tree_t p_wpage; /* remembered watched pages (vfork) */ 231 watched_page_t *p_wprot; /* pages that need to have prot set */ 232 int p_mapcnt; /* number of active pr_mappage()s */ 233 kmutex_t p_maplock; /* lock for pr_mappage() */ 234 struct proc *p_rlink; /* linked list for server */ 235 kcondvar_t p_srwchan_cv; 236 size_t p_stksize; /* process stack size in bytes */ 237 uint_t p_stkpageszc; /* preferred stack max page size code */ 238 239 /* 240 * Microstate accounting, resource usage, and real-time profiling 241 */ 242 hrtime_t p_mstart; /* hi-res process start time */ 243 hrtime_t p_mterm; /* hi-res process termination time */ 244 hrtime_t p_mlreal; /* elapsed time sum over defunct lwps */ 245 hrtime_t p_acct[NMSTATES]; /* microstate sum over defunct lwps */ 246 hrtime_t p_cacct[NMSTATES]; /* microstate sum over child procs */ 247 struct lrusage p_ru; /* lrusage sum over defunct lwps */ 248 struct lrusage p_cru; /* lrusage sum over child procs */ 249 struct itimerval p_rprof_timer; /* ITIMER_REALPROF interval timer */ 250 uintptr_t p_rprof_cyclic; /* ITIMER_REALPROF cyclic */ 251 uint_t p_defunct; /* number of defunct lwps */ 252 /* 253 * profiling. A lock is used in the event of multiple lwp's 254 * using the same profiling base/size. 255 */ 256 kmutex_t p_pflock; /* protects user profile arguments */ 257 struct prof p_prof; /* profile arguments */ 258 259 /* 260 * The user structure 261 */ 262 struct user p_user; /* (see sys/user.h) */ 263 264 /* 265 * Doors. 266 */ 267 door_pool_t p_server_threads; /* common thread pool */ 268 struct door_node *p_door_list; /* active doors */ 269 struct door_node *p_unref_list; 270 kcondvar_t p_unref_cv; 271 char p_unref_thread; /* unref thread created */ 272 273 /* 274 * Kernel probes 275 */ 276 uchar_t p_tnf_flags; 277 278 /* 279 * C2 Security (C2_AUDIT) 280 */ 281 struct p_audit_data *p_audit_data; /* per process audit structure */ 282 283 pctxop_t *p_pctx; 284 285 #if defined(__x86) 286 /* 287 * LDT support. 288 */ 289 kmutex_t p_ldtlock; /* protects the following fields */ 290 user_desc_t *p_ldt; /* Pointer to private LDT */ 291 system_desc_t p_ldt_desc; /* segment descriptor for private LDT */ 292 ushort_t p_ldtlimit; /* highest selector used */ 293 #endif 294 size_t p_swrss; /* resident set size before last swap */ 295 struct aio *p_aio; /* pointer to async I/O struct */ 296 struct itimer **p_itimer; /* interval timers */ 297 timeout_id_t p_alarmid; /* alarm's timeout id */ 298 caddr_t p_usrstack; /* top of the process stack */ 299 uint_t p_stkprot; /* stack memory protection */ 300 uint_t p_datprot; /* data memory protection */ 301 model_t p_model; /* data model determined at exec time */ 302 struct lwpchan_data *p_lcp; /* lwpchan cache */ 303 kmutex_t p_lcp_lock; /* protects assignments to p_lcp */ 304 utrap_handler_t *p_utraps; /* pointer to user trap handlers */ 305 struct corectl_path *p_corefile; /* pattern for core file */ 306 struct task *p_task; /* our containing task */ 307 struct proc *p_taskprev; /* ptr to previous process in task */ 308 struct proc *p_tasknext; /* ptr to next process in task */ 309 kmutex_t p_sc_lock; /* protects p_pagep */ 310 struct sc_page_ctl *p_pagep; /* list of process's shared pages */ 311 struct rctl_set *p_rctls; /* resource controls for this process */ 312 rlim64_t p_stk_ctl; /* currently enforced stack size */ 313 rlim64_t p_fsz_ctl; /* currently enforced file size */ 314 rlim64_t p_vmem_ctl; /* currently enforced addr-space size */ 315 rlim64_t p_fno_ctl; /* currently enforced file-desc limit */ 316 pid_t p_ancpid; /* ancestor pid, used by exacct */ 317 struct itimerval p_realitimer; /* real interval timer */ 318 timeout_id_t p_itimerid; /* real interval timer's timeout id */ 319 struct corectl_content *p_content; /* content of core file */ 320 321 avl_tree_t p_ct_held; /* held contracts */ 322 struct ct_equeue **p_ct_equeue; /* process-type event queues */ 323 324 struct cont_process *p_ct_process; /* process contract */ 325 list_node_t p_ct_member; /* process contract membership */ 326 sigqueue_t *p_killsqp; /* sigqueue pointer for SIGKILL */ 327 328 int p_dtrace_probes; /* are there probes for this proc? */ 329 uint64_t p_dtrace_count; /* number of DTrace tracepoints */ 330 /* (protected by P_PR_LOCK) */ 331 void *p_dtrace_helpers; /* DTrace helpers, if any */ 332 struct pool *p_pool; /* pointer to containing pool */ 333 kcondvar_t p_poolcv; /* synchronization with pools */ 334 uint_t p_poolcnt; /* # threads inside pool barrier */ 335 uint_t p_poolflag; /* pool-related flags (see below) */ 336 uintptr_t p_portcnt; /* event ports counter */ 337 struct zone *p_zone; /* zone in which process lives */ 338 struct vnode *p_execdir; /* directory that p_exec came from */ 339 } proc_t; 340 341 #define PROC_T /* headers relying on proc_t are OK */ 342 343 #ifdef _KERNEL 344 345 /* active process chain */ 346 347 extern proc_t *practive; 348 349 /* Well known processes */ 350 351 extern proc_t *proc_sched; /* memory scheduler */ 352 extern proc_t *proc_init; /* init */ 353 extern proc_t *proc_pageout; /* pageout daemon */ 354 extern proc_t *proc_fsflush; /* filesystem sync-er */ 355 356 #endif /* _KERNEL */ 357 358 /* 359 * Stuff to keep track of the number of processes each uid has. 360 * It is tracked on a per-zone basis; that is, if users in different 361 * zones have the same uid, they are tracked separately. 362 * 363 * A structure is allocated when a new <uid,zoneid> pair shows up 364 * There is a hash to find each structure. 365 */ 366 struct upcount { 367 struct upcount *up_next; 368 uid_t up_uid; 369 zoneid_t up_zoneid; 370 uint_t up_count; 371 }; 372 373 /* process ID info */ 374 375 struct pid { 376 unsigned int pid_prinactive :1; 377 unsigned int pid_pgorphaned :1; 378 unsigned int pid_padding :6; /* used to be pid_ref, now an int */ 379 unsigned int pid_prslot :24; 380 pid_t pid_id; 381 struct proc *pid_pglink; 382 struct proc *pid_pgtail; 383 struct pid *pid_link; 384 uint_t pid_ref; 385 }; 386 387 #define p_pgrp p_pgidp->pid_id 388 #define p_pid p_pidp->pid_id 389 #define p_slot p_pidp->pid_prslot 390 #define p_detached p_pgidp->pid_pgorphaned 391 392 #define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 393 ++(pidp)->pid_ref; 394 #define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 395 (pidp)->pid_ref > 1 ? \ 396 --(pidp)->pid_ref : pid_rele(pidp); 397 398 /* 399 * Structure containing persistent process lock. The structure and 400 * macro allow "mutex_enter(&p->p_lock)" to continue working. 401 */ 402 struct plock { 403 kmutex_t pl_lock; 404 }; 405 #define p_lock p_lockp->pl_lock 406 407 #ifdef _KERNEL 408 extern proc_t p0; /* process 0 */ 409 extern struct plock p0lock; /* p0's plock */ 410 extern struct pid pid0; /* p0's pid */ 411 #endif /* _KERNEL */ 412 413 /* stat codes */ 414 415 #define SSLEEP 1 /* awaiting an event */ 416 #define SRUN 2 /* running */ 417 #define SZOMB 3 /* process terminated but not waited for */ 418 #define SSTOP 4 /* process stopped by debugger */ 419 #define SIDL 5 /* intermediate state in process creation */ 420 #define SONPROC 6 /* process is being run on a processor */ 421 422 /* p_pidflag codes */ 423 #define CLDPEND 0x0001 /* have yet to post a SIGCLD to the parent */ 424 #define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */ 425 426 /* p_proc_flag codes -- these flags are mostly private to /proc */ 427 #define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */ 428 #define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */ 429 #define P_PR_FORK 0x0004 /* child inherits tracing flags */ 430 #define P_PR_LOCK 0x0008 /* process locked by /proc */ 431 #define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */ 432 #define P_PR_EXEC 0x0020 /* process is in exec() */ 433 #define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */ 434 #define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */ 435 #define P_PR_KILLCL 0x0100 /* kill process on last /proc close */ 436 437 /* 438 * p_flag codes 439 * 440 * note that two of these flags, SMSACCT and SSYS, are exported to /proc's 441 * psinfo_t.p_flag field. Historically, all were, but since they are 442 * implementation dependant, we only export the ones people have come to 443 * rely upon. Hence, the bit positions of SSYS and SMSACCT should not be 444 * altered. 445 */ 446 #define SSYS 0x00000001 /* system (resident) process */ 447 #define SEXITING 0x00000002 /* process is exiting */ 448 #define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */ 449 #define SFORKING 0x00000008 /* tells called functions that we're forking */ 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 extern void deferred_singlestep_trap(caddr_t); 570 #endif 571 572 extern void sigcld(proc_t *, sigqueue_t *); 573 extern void sigcld_delete(k_siginfo_t *); 574 extern void sigcld_repost(void); 575 extern int fsig(k_sigset_t *, kthread_t *); 576 extern void psig(void); 577 extern void stop(int, int); 578 extern int stop_on_fault(uint_t, k_siginfo_t *); 579 extern int issig(int); 580 extern int jobstopped(proc_t *); 581 extern void psignal(proc_t *, int); 582 extern void tsignal(kthread_t *, int); 583 extern void sigtoproc(proc_t *, kthread_t *, int); 584 extern void trapsig(k_siginfo_t *, int); 585 extern int eat_signal(kthread_t *, int); 586 extern int signal_is_blocked(kthread_t *, int); 587 extern int sigcheck(proc_t *, kthread_t *); 588 extern void sigdefault(proc_t *); 589 590 extern void pid_setmin(void); 591 extern pid_t pid_assign(proc_t *); 592 extern int pid_rele(struct pid *); 593 extern void pid_exit(proc_t *); 594 extern void proc_entry_free(struct pid *); 595 extern proc_t *prfind(pid_t); 596 extern proc_t *prfind_zone(pid_t, zoneid_t); 597 extern proc_t *pgfind(pid_t); 598 extern proc_t *pgfind_zone(pid_t, zoneid_t); 599 extern proc_t *sprlock(pid_t); 600 extern proc_t *sprlock_zone(pid_t, zoneid_t); 601 extern void sprlock_proc(proc_t *); 602 extern void sprunlock(proc_t *); 603 extern void pid_init(void); 604 extern proc_t *pid_entry(int); 605 extern int pid_slot(proc_t *); 606 extern void signal(pid_t, int); 607 extern void prsignal(struct pid *, int); 608 extern int uread(proc_t *, void *, size_t, uintptr_t); 609 extern int uwrite(proc_t *, void *, size_t, uintptr_t); 610 611 extern void pgsignal(struct pid *, int); 612 extern void pgjoin(proc_t *, struct pid *); 613 extern void pgcreate(proc_t *); 614 extern void pgexit(proc_t *); 615 extern void pgdetach(proc_t *); 616 extern int pgmembers(pid_t); 617 618 extern void init_mstate(kthread_t *, int); 619 extern int new_mstate(kthread_t *, int); 620 extern void restore_mstate(kthread_t *); 621 extern void term_mstate(kthread_t *); 622 extern void estimate_msacct(kthread_t *, hrtime_t); 623 extern void disable_msacct(proc_t *); 624 extern hrtime_t mstate_aggr_state(proc_t *, int); 625 extern void syscall_mstate(int, int); 626 627 extern uint_t cpu_update_pct(kthread_t *, hrtime_t); 628 629 extern void set_proc_pre_sys(proc_t *p); 630 extern void set_proc_post_sys(proc_t *p); 631 extern void set_proc_sys(proc_t *p); 632 extern void set_proc_ast(proc_t *p); 633 extern void set_all_proc_sys(void); 634 635 /* thread function prototypes */ 636 637 extern kthread_t *thread_create( 638 caddr_t stk, 639 size_t stksize, 640 void (*proc)(), 641 void *arg, 642 size_t len, 643 proc_t *pp, 644 int state, 645 pri_t pri); 646 extern void thread_exit(void) __NORETURN; 647 extern void thread_free(kthread_t *); 648 extern void thread_rele(kthread_t *); 649 extern void thread_join(kt_did_t); 650 extern int reaper(void); 651 extern void installctx(kthread_t *, void *, void (*)(), void (*)(), 652 void (*)(), void (*)(), void (*)(), void (*)()); 653 extern int removectx(kthread_t *, void *, void (*)(), void (*)(), 654 void (*)(), void (*)(), void (*)(), void (*)()); 655 extern void savectx(kthread_t *); 656 extern void restorectx(kthread_t *); 657 extern void forkctx(kthread_t *, kthread_t *); 658 extern void lwp_createctx(kthread_t *, kthread_t *); 659 extern void exitctx(kthread_t *); 660 extern void freectx(kthread_t *, int); 661 extern void installpctx(proc_t *, void *, void (*)(), void (*)(), 662 void (*)(), void (*)(), void (*)()); 663 extern int removepctx(proc_t *, void *, void (*)(), void (*)(), 664 void (*)(), void (*)(), void (*)()); 665 extern void savepctx(proc_t *); 666 extern void restorepctx(proc_t *); 667 extern void forkpctx(proc_t *, proc_t *); 668 extern void exitpctx(proc_t *); 669 extern void freepctx(proc_t *, int); 670 extern kthread_t *thread_unpin(void); 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_cache_init(void); 721 extern void lwp_stk_fini(klwp_t *); 722 extern void lwp_installctx(klwp_t *); 723 extern void lwp_rtt(void); 724 extern void lwp_rtt_initial(void); 725 extern int lwp_setprivate(klwp_t *, int, uintptr_t); 726 extern void lwp_stat_update(lwp_stat_id_t, long); 727 728 /* 729 * Signal queue function prototypes. Must be here due to header ordering 730 * dependencies. 731 */ 732 extern void sigqfree(proc_t *); 733 extern void siginfofree(sigqueue_t *); 734 extern void sigdeq(proc_t *, kthread_t *, int, sigqueue_t **); 735 extern void sigdelq(proc_t *, kthread_t *, int); 736 extern void sigaddq(proc_t *, kthread_t *, k_siginfo_t *, int); 737 extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *); 738 extern void sigqsend(int, proc_t *, kthread_t *, sigqueue_t *); 739 extern void sigdupq(proc_t *, proc_t *); 740 extern int sigwillqueue(int, int); 741 extern sigqhdr_t *sigqhdralloc(size_t, uint_t); 742 extern sigqueue_t *sigqalloc(sigqhdr_t *); 743 extern void sigqhdrfree(sigqhdr_t *); 744 extern sigqueue_t *sigappend(k_sigset_t *, sigqueue_t *, 745 k_sigset_t *, sigqueue_t *); 746 extern sigqueue_t *sigprepend(k_sigset_t *, sigqueue_t *, 747 k_sigset_t *, sigqueue_t *); 748 extern void winfo(proc_t *, k_siginfo_t *, int); 749 extern int wstat(int, int); 750 extern int sendsig(int, k_siginfo_t *, void (*)()); 751 #if defined(_SYSCALL32_IMPL) 752 extern int sendsig32(int, k_siginfo_t *, void (*)()); 753 #endif 754 755 #endif /* _KERNEL */ 756 757 #ifdef __cplusplus 758 } 759 #endif 760 761 #endif /* _SYS_PROC_H */ 762