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 * Copyright 2005 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 /* 89 * Elements of the lwp directory, p->p_lwpdir[]. 90 * 91 * We allocate lwp directory entries separately from lwp directory 92 * elements because the lwp directory must be allocated as an array. 93 * The number of lwps can grow quite large and we want to keep the 94 * size of the kmem_alloc()d directory as small as possible. 95 * 96 * If ld_entry == NULL, the entry is free and is on the free list, 97 * p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the 98 * entry is used and ld_next is the thread-id hash link pointer. 99 */ 100 typedef struct lwpdir { 101 struct lwpdir *ld_next; /* hash chain or free list */ 102 struct lwpent *ld_entry; /* lwp directory entry */ 103 } lwpdir_t; 104 105 struct pool; 106 struct task; 107 struct zone; 108 struct corectl_path; 109 struct corectl_content; 110 111 /* 112 * One structure allocated per active process. It contains all 113 * data needed about the process while the process may be swapped 114 * out. Other per-process data (user.h) is also inside the proc structure. 115 * Lightweight-process data (lwp.h) and the kernel stack may be swapped out. 116 */ 117 typedef struct proc { 118 /* 119 * Fields requiring no explicit locking 120 */ 121 struct vnode *p_exec; /* pointer to a.out vnode */ 122 struct as *p_as; /* process address space pointer */ 123 struct plock *p_lockp; /* ptr to proc struct's mutex lock */ 124 kmutex_t p_crlock; /* lock for p_cred */ 125 struct cred *p_cred; /* process credentials */ 126 /* 127 * Fields protected by pidlock 128 */ 129 int p_swapcnt; /* number of swapped out lwps */ 130 char p_stat; /* status of process */ 131 char p_wcode; /* current wait code */ 132 ushort_t p_pidflag; /* flags protected only by pidlock */ 133 int p_wdata; /* current wait return value */ 134 pid_t p_ppid; /* process id of parent */ 135 struct proc *p_link; /* forward link */ 136 struct proc *p_parent; /* ptr to parent process */ 137 struct proc *p_child; /* ptr to first child process */ 138 struct proc *p_sibling; /* ptr to next sibling proc on chain */ 139 struct proc *p_psibling; /* ptr to prev sibling proc on chain */ 140 struct proc *p_sibling_ns; /* prt to siblings with new state */ 141 struct proc *p_child_ns; /* prt to children with new state */ 142 struct proc *p_next; /* active chain link next */ 143 struct proc *p_prev; /* active chain link prev */ 144 struct proc *p_nextofkin; /* gets accounting info at exit */ 145 struct proc *p_orphan; 146 struct proc *p_nextorph; 147 struct proc *p_pglink; /* process group hash chain link next */ 148 struct proc *p_ppglink; /* process group hash chain link prev */ 149 struct sess *p_sessp; /* session information */ 150 struct pid *p_pidp; /* process ID info */ 151 struct pid *p_pgidp; /* process group ID info */ 152 /* 153 * Fields protected by p_lock 154 */ 155 kcondvar_t p_cv; /* proc struct's condition variable */ 156 kcondvar_t p_flag_cv; 157 kcondvar_t p_lwpexit; /* waiting for some lwp to exit */ 158 kcondvar_t p_holdlwps; /* process is waiting for its lwps */ 159 /* to to be held. */ 160 uint_t p_proc_flag; /* /proc-related flags */ 161 uint_t p_flag; /* protected while set. */ 162 /* flags defined below */ 163 clock_t p_utime; /* user time, this process */ 164 clock_t p_stime; /* system time, this process */ 165 clock_t p_cutime; /* sum of children's user time */ 166 clock_t p_cstime; /* sum of children's system time */ 167 avl_tree_t *p_segacct; /* System V shared segment list */ 168 avl_tree_t *p_semacct; /* System V semaphore undo list */ 169 caddr_t p_bssbase; /* base addr of last bss below heap */ 170 caddr_t p_brkbase; /* base addr of heap */ 171 size_t p_brksize; /* heap size in bytes */ 172 uint_t p_brkpageszc; /* preferred heap max page size code */ 173 /* 174 * Per process signal stuff. 175 */ 176 k_sigset_t p_sig; /* signals pending to this process */ 177 k_sigset_t p_extsig; /* signals sent from another contract */ 178 k_sigset_t p_ignore; /* ignore when generated */ 179 k_sigset_t p_siginfo; /* gets signal info with signal */ 180 struct sigqueue *p_sigqueue; /* queued siginfo structures */ 181 struct sigqhdr *p_sigqhdr; /* hdr to sigqueue structure pool */ 182 struct sigqhdr *p_signhdr; /* hdr to signotify structure pool */ 183 uchar_t p_stopsig; /* jobcontrol stop signal */ 184 185 /* 186 * Special per-process flag when set will fix misaligned memory 187 * references. 188 */ 189 char p_fixalignment; 190 191 /* 192 * Per process lwp and kernel thread stuff 193 */ 194 id_t p_lwpid; /* most recently allocated lwpid */ 195 int p_lwpcnt; /* number of lwps in this process */ 196 int p_lwprcnt; /* number of not stopped lwps */ 197 int p_lwpdaemon; /* number of TP_DAEMON lwps */ 198 int p_lwpwait; /* number of lwps in lwp_wait() */ 199 int p_lwpdwait; /* number of daemons in lwp_wait() */ 200 int p_zombcnt; /* number of zombie lwps */ 201 kthread_t *p_tlist; /* circular list of threads */ 202 lwpdir_t *p_lwpdir; /* thread (lwp) directory */ 203 lwpdir_t *p_lwpfree; /* p_lwpdir free list */ 204 lwpdir_t **p_tidhash; /* tid (lwpid) lookup hash table */ 205 uint_t p_lwpdir_sz; /* number of p_lwpdir[] entries */ 206 uint_t p_tidhash_sz; /* number of p_tidhash[] entries */ 207 uint64_t p_lgrpset; /* unprotected hint of set of lgrps */ 208 /* on which process has threads */ 209 uintptr_t p_lgrpres1; /* reserved for lgrp migration */ 210 uintptr_t p_lgrpres2; /* reserved for lgrp migration */ 211 /* 212 * /proc (process filesystem) debugger interface stuff. 213 */ 214 k_sigset_t p_sigmask; /* mask of traced signals (/proc) */ 215 k_fltset_t p_fltmask; /* mask of traced faults (/proc) */ 216 struct vnode *p_trace; /* pointer to primary /proc vnode */ 217 struct vnode *p_plist; /* list of /proc vnodes for process */ 218 kthread_t *p_agenttp; /* thread ptr for /proc agent lwp */ 219 avl_tree_t p_warea; /* list of watched areas */ 220 avl_tree_t p_wpage; /* remembered watched pages (vfork) */ 221 watched_page_t *p_wprot; /* pages that need to have prot set */ 222 int p_mapcnt; /* number of active pr_mappage()s */ 223 kmutex_t p_maplock; /* lock for pr_mappage() */ 224 struct proc *p_rlink; /* linked list for server */ 225 kcondvar_t p_srwchan_cv; 226 size_t p_stksize; /* process stack size in bytes */ 227 uint_t p_stkpageszc; /* preferred stack max page size code */ 228 229 /* 230 * Microstate accounting, resource usage, and real-time profiling 231 */ 232 hrtime_t p_mstart; /* hi-res process start time */ 233 hrtime_t p_mterm; /* hi-res process termination time */ 234 hrtime_t p_mlreal; /* elapsed time sum over defunct lwps */ 235 hrtime_t p_acct[NMSTATES]; /* microstate sum over defunct lwps */ 236 hrtime_t p_cacct[NMSTATES]; /* microstate sum over child procs */ 237 struct lrusage p_ru; /* lrusage sum over defunct lwps */ 238 struct lrusage p_cru; /* lrusage sum over child procs */ 239 struct itimerval p_rprof_timer; /* ITIMER_REALPROF interval timer */ 240 uintptr_t p_rprof_cyclic; /* ITIMER_REALPROF cyclic */ 241 uint_t p_defunct; /* number of defunct lwps */ 242 /* 243 * profiling. A lock is used in the event of multiple lwp's 244 * using the same profiling base/size. 245 */ 246 kmutex_t p_pflock; /* protects user profile arguments */ 247 struct prof p_prof; /* profile arguments */ 248 249 /* 250 * The user structure 251 */ 252 struct user p_user; /* (see sys/user.h) */ 253 254 /* 255 * Doors. 256 */ 257 door_pool_t p_server_threads; /* common thread pool */ 258 struct door_node *p_door_list; /* active doors */ 259 struct door_node *p_unref_list; 260 kcondvar_t p_unref_cv; 261 char p_unref_thread; /* unref thread created */ 262 263 /* 264 * Kernel probes 265 */ 266 uchar_t p_tnf_flags; 267 268 /* 269 * C2 Security (C2_AUDIT) 270 */ 271 struct p_audit_data *p_audit_data; /* per process audit structure */ 272 #if defined(__x86) 273 /* 274 * LDT support. 275 */ 276 kmutex_t p_ldtlock; /* protects the following fields */ 277 user_desc_t *p_ldt; /* Pointer to private LDT */ 278 system_desc_t p_ldt_desc; /* segment descriptor for private LDT */ 279 ushort_t p_ldtlimit; /* highest selector used */ 280 #endif 281 size_t p_swrss; /* resident set size before last swap */ 282 struct aio *p_aio; /* pointer to async I/O struct */ 283 struct itimer **p_itimer; /* interval timers */ 284 timeout_id_t p_alarmid; /* alarm's timeout id */ 285 caddr_t p_usrstack; /* top of the process stack */ 286 uint_t p_stkprot; /* stack memory protection */ 287 uint_t p_datprot; /* data memory protection */ 288 model_t p_model; /* data model determined at exec time */ 289 struct lwpchan_data *p_lcp; /* lwpchan cache */ 290 kmutex_t p_lcp_lock; /* protects assignments to p_lcp */ 291 utrap_handler_t *p_utraps; /* pointer to user trap handlers */ 292 struct corectl_path *p_corefile; /* pattern for core file */ 293 struct task *p_task; /* our containing task */ 294 struct proc *p_taskprev; /* ptr to previous process in task */ 295 struct proc *p_tasknext; /* ptr to next process in task */ 296 kmutex_t p_sc_lock; /* protects p_pagep */ 297 struct sc_page_ctl *p_pagep; /* list of process's shared pages */ 298 struct rctl_set *p_rctls; /* resource controls for this process */ 299 rlim64_t p_stk_ctl; /* currently enforced stack size */ 300 rlim64_t p_fsz_ctl; /* currently enforced file size */ 301 rlim64_t p_vmem_ctl; /* currently enforced addr-space size */ 302 rlim64_t p_fno_ctl; /* currently enforced file-desc limit */ 303 pid_t p_ancpid; /* ancestor pid, used by exacct */ 304 struct itimerval p_realitimer; /* real interval timer */ 305 timeout_id_t p_itimerid; /* real interval timer's timeout id */ 306 struct corectl_content *p_content; /* content of core file */ 307 308 avl_tree_t p_ct_held; /* held contracts */ 309 struct ct_equeue **p_ct_equeue; /* process-type event queues */ 310 311 struct cont_process *p_ct_process; /* process contract */ 312 list_node_t p_ct_member; /* process contract membership */ 313 sigqueue_t *p_killsqp; /* sigqueue pointer for SIGKILL */ 314 315 int p_dtrace_probes; /* are there probes for this proc? */ 316 uint64_t p_dtrace_count; /* number of DTrace tracepoints */ 317 /* (protected by P_PR_LOCK) */ 318 void *p_dtrace_helpers; /* DTrace helpers, if any */ 319 struct pool *p_pool; /* pointer to containing pool */ 320 kcondvar_t p_poolcv; /* synchronization with pools */ 321 uint_t p_poolcnt; /* # threads inside pool barrier */ 322 uint_t p_poolflag; /* pool-related flags (see below) */ 323 uintptr_t p_portcnt; /* event ports counter */ 324 struct zone *p_zone; /* zone in which process lives */ 325 struct vnode *p_execdir; /* directory that p_exec came from */ 326 } proc_t; 327 328 #define PROC_T /* headers relying on proc_t are OK */ 329 330 #ifdef _KERNEL 331 332 /* active process chain */ 333 334 extern proc_t *practive; 335 336 /* Well known processes */ 337 338 extern proc_t *proc_sched; /* memory scheduler */ 339 extern proc_t *proc_init; /* init */ 340 extern proc_t *proc_pageout; /* pageout daemon */ 341 extern proc_t *proc_fsflush; /* filesystem sync-er */ 342 343 #endif /* _KERNEL */ 344 345 /* 346 * Stuff to keep track of the number of processes each uid has. 347 * It is tracked on a per-zone basis; that is, if users in different 348 * zones have the same uid, they are tracked separately. 349 * 350 * A structure is allocated when a new <uid,zoneid> pair shows up 351 * There is a hash to find each structure. 352 */ 353 struct upcount { 354 struct upcount *up_next; 355 uid_t up_uid; 356 zoneid_t up_zoneid; 357 uint_t up_count; 358 }; 359 360 /* process ID info */ 361 362 struct pid { 363 unsigned int pid_prinactive :1; 364 unsigned int pid_pgorphaned :1; 365 unsigned int pid_padding :6; /* used to be pid_ref, now an int */ 366 unsigned int pid_prslot :24; 367 pid_t pid_id; 368 struct proc *pid_pglink; 369 struct pid *pid_link; 370 uint_t pid_ref; 371 }; 372 373 #define p_pgrp p_pgidp->pid_id 374 #define p_pid p_pidp->pid_id 375 #define p_slot p_pidp->pid_prslot 376 #define p_detached p_pgidp->pid_pgorphaned 377 378 #define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 379 ++(pidp)->pid_ref; 380 #define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 381 (pidp)->pid_ref > 1 ? \ 382 --(pidp)->pid_ref : pid_rele(pidp); 383 384 /* 385 * Structure containing persistent process lock. The structure and 386 * macro allow "mutex_enter(&p->p_lock)" to continue working. 387 */ 388 struct plock { 389 kmutex_t pl_lock; 390 }; 391 #define p_lock p_lockp->pl_lock 392 393 #ifdef _KERNEL 394 extern proc_t p0; /* process 0 */ 395 extern struct plock p0lock; /* p0's plock */ 396 extern struct pid pid0; /* p0's pid */ 397 #endif /* _KERNEL */ 398 399 /* stat codes */ 400 401 #define SSLEEP 1 /* awaiting an event */ 402 #define SRUN 2 /* running */ 403 #define SZOMB 3 /* process terminated but not waited for */ 404 #define SSTOP 4 /* process stopped by debugger */ 405 #define SIDL 5 /* intermediate state in process creation */ 406 #define SONPROC 6 /* process is being run on a processor */ 407 408 /* p_pidflag codes */ 409 #define CLDPEND 0x0001 /* have yet to post a SIGCLD to the parent */ 410 #define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */ 411 412 /* p_proc_flag codes -- these flags are mostly private to /proc */ 413 #define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */ 414 #define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */ 415 #define P_PR_FORK 0x0004 /* child inherits tracing flags */ 416 #define P_PR_LOCK 0x0008 /* process locked by /proc */ 417 #define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */ 418 #define P_PR_EXEC 0x0020 /* process is in exec() */ 419 #define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */ 420 #define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */ 421 #define P_PR_KILLCL 0x0100 /* kill process on last /proc close */ 422 423 /* 424 * p_flag codes 425 * 426 * note that two of these flags, SMSACCT and SSYS, are exported to /proc's 427 * psinfo_t.p_flag field. Historically, all were, but since they are 428 * implementation dependant, we only export the ones people have come to 429 * rely upon. Hence, the bit positions of SSYS and SMSACCT should not be 430 * altered. 431 */ 432 #define SSYS 0x00000001 /* system (resident) process */ 433 #define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */ 434 #define SWATCHOK 0x00000010 /* proc in acceptable state for watchpoints */ 435 #define SKILLED 0x00000100 /* SIGKILL has been posted to the process */ 436 #define SSCONT 0x00000200 /* SIGCONT has been posted to the process */ 437 #define SZONETOP 0x00000400 /* process has no valid PPID in its zone */ 438 #define SEXTKILLED 0x00000800 /* SKILLED is from another contract */ 439 #define SUGID 0x00002000 /* process was result of set[ug]id exec */ 440 #define SEXECED 0x00004000 /* this process has execed */ 441 #define SJCTL 0x00010000 /* SIGCLD sent when children stop/continue */ 442 #define SNOWAIT 0x00020000 /* children never become zombies */ 443 #define SVFORK 0x00040000 /* child of vfork that has not yet exec'd */ 444 #define SVFWAIT 0x00080000 /* parent of vfork waiting for child to exec */ 445 #define SEXITLWPS 0x00100000 /* have lwps exit within the process */ 446 #define SHOLDFORK 0x00200000 /* hold lwps where they're cloneable */ 447 #define SHOLDFORK1 0x00800000 /* hold lwps in place (not cloning) */ 448 #define SCOREDUMP 0x01000000 /* process is dumping core */ 449 #define SMSACCT 0x02000000 /* process is keeping micro-state accounting */ 450 #define SLWPWRAP 0x04000000 /* process has wrapped its lwp ids */ 451 #define SAUTOLPG 0x08000000 /* kernel controls page sizes */ 452 #define SNOCD 0x10000000 /* new creds from VSxID, do not coredump */ 453 #define SHOLDWATCH 0x20000000 /* hold lwps for watchpoint operation */ 454 #define SMSFORK 0x40000000 /* child inherits micro-state accounting */ 455 #define SDOCORE 0x80000000 /* process will attempt to dump core */ 456 457 /* 458 * p_poolflag codes 459 * 460 * These flags are used to synchronize with the pool subsystem to allow 461 * re-binding of processes to new pools. 462 */ 463 #define PBWAIT 0x0001 /* process should wait outside fork/exec/exit */ 464 #define PEXITED 0x0002 /* process exited and about to become zombie */ 465 466 /* Macro to convert proc pointer to a user block pointer */ 467 #define PTOU(p) (&(p)->p_user) 468 469 #define tracing(p, sig) (sigismember(&(p)->p_sigmask, sig)) 470 471 /* Macro to reduce unnecessary calls to issig() */ 472 473 #define ISSIG(t, why) ISSIG_FAST(t, ttolwp(t), ttoproc(t), why) 474 475 /* 476 * Fast version of ISSIG. 477 * 1. uses register pointers to lwp and proc instead of reloading them. 478 * 2. uses bit-wise OR of tests, since the usual case is that none of them 479 * are true, this saves orcc's and branches. 480 * 3. load the signal flags instead of using sigisempty() macro which does 481 * a branch to convert to boolean. 482 */ 483 #define ISSIG_FAST(t, lwp, p, why) \ 484 (ISSIG_PENDING(t, lwp, p) && issig(why)) 485 486 #define ISSIG_PENDING(t, lwp, p) \ 487 ((lwp)->lwp_cursig | \ 488 sigcheck((p), (t)) | \ 489 (p)->p_stopsig | \ 490 (t)->t_dtrace_stop | \ 491 (t)->t_dtrace_sig | \ 492 ((t)->t_proc_flag & (TP_PRSTOP|TP_HOLDLWP|TP_CHKPT|TP_PAUSE)) | \ 493 ((p)->p_flag & (SEXITLWPS|SKILLED|SHOLDFORK1|SHOLDWATCH))) 494 495 #define ISSTOP(sig) (u.u_signal[sig-1] == SIG_DFL && \ 496 sigismember(&stopdefault, sig)) 497 498 #define ISHOLD(p) ((p)->p_flag & SHOLDFORK) 499 500 #define MUSTRETURN(p, t) (ISHOLD(p) | (t)->t_activefd.a_stale) 501 502 /* 503 * Determine if there are any watchpoints active in the process. 504 */ 505 #define pr_watch_active(p) (avl_numnodes(&(p)->p_warea) != 0) 506 507 /* Reasons for calling issig() */ 508 509 #define FORREAL 0 /* Usual side-effects */ 510 #define JUSTLOOKING 1 /* Don't stop the process */ 511 512 /* 'what' values for stop(PR_SUSPENDED, what) */ 513 #define SUSPEND_NORMAL 0 514 #define SUSPEND_PAUSE 1 515 516 /* pseudo-flag to lwp_create() */ 517 #define NOCLASS (-1) 518 519 /* LWP stats updated via lwp_stats_update() */ 520 typedef enum { 521 LWP_STAT_INBLK, 522 LWP_STAT_OUBLK, 523 LWP_STAT_MSGRCV, 524 LWP_STAT_MSGSND 525 } lwp_stat_id_t; 526 527 #ifdef _KERNEL 528 529 /* user profiling functions */ 530 531 extern void profil_tick(uintptr_t); 532 533 /* process management functions */ 534 535 extern int newproc(void (*)(), caddr_t, id_t, int, struct contract **); 536 extern void vfwait(pid_t); 537 extern void proc_detach(proc_t *); 538 extern void freeproc(proc_t *); 539 extern void setrun(kthread_t *); 540 extern void setrun_locked(kthread_t *); 541 extern void exit(int, int); 542 extern int proc_exit(int, int); 543 extern void relvm(void); 544 extern void add_ns(proc_t *, proc_t *); 545 extern void delete_ns(proc_t *, proc_t *); 546 extern void upcount_inc(uid_t, zoneid_t); 547 extern void upcount_dec(uid_t, zoneid_t); 548 extern int upcount_get(uid_t, zoneid_t); 549 #if defined(__x86) 550 extern int ldt_dup(proc_t *, proc_t *); 551 extern selector_t setup_thrptr(proc_t *, uintptr_t); 552 #endif 553 554 extern void sigcld(proc_t *, sigqueue_t *); 555 extern void sigcld_delete(k_siginfo_t *); 556 extern void sigcld_repost(void); 557 extern int fsig(k_sigset_t *, kthread_t *); 558 extern void psig(void); 559 extern void stop(int, int); 560 extern int stop_on_fault(uint_t, k_siginfo_t *); 561 extern int issig(int); 562 extern int jobstopped(proc_t *); 563 extern void psignal(proc_t *, int); 564 extern void tsignal(kthread_t *, int); 565 extern void sigtoproc(proc_t *, kthread_t *, int); 566 extern void trapsig(k_siginfo_t *, int); 567 extern int eat_signal(kthread_t *, int); 568 extern int signal_is_blocked(kthread_t *, int); 569 extern int sigcheck(proc_t *, kthread_t *); 570 extern void sigdefault(proc_t *); 571 572 extern void pid_setmin(void); 573 extern pid_t pid_assign(proc_t *); 574 extern int pid_rele(struct pid *); 575 extern void pid_exit(proc_t *); 576 extern void proc_entry_free(struct pid *); 577 extern proc_t *prfind(pid_t); 578 extern proc_t *prfind_zone(pid_t, zoneid_t); 579 extern proc_t *pgfind(pid_t); 580 extern proc_t *pgfind_zone(pid_t, zoneid_t); 581 extern proc_t *sprlock(pid_t); 582 extern proc_t *sprlock_zone(pid_t, zoneid_t); 583 extern void sprlock_proc(proc_t *); 584 extern void sprunlock(proc_t *); 585 extern void pid_init(void); 586 extern proc_t *pid_entry(int); 587 extern int pid_slot(proc_t *); 588 extern void signal(pid_t, int); 589 extern void prsignal(struct pid *, int); 590 extern int uread(proc_t *, void *, size_t, uintptr_t); 591 extern int uwrite(proc_t *, void *, size_t, uintptr_t); 592 593 extern void pgsignal(struct pid *, int); 594 extern void pgjoin(proc_t *, struct pid *); 595 extern void pgcreate(proc_t *); 596 extern void pgexit(proc_t *); 597 extern void pgdetach(proc_t *); 598 extern int pgmembers(pid_t); 599 600 extern void init_mstate(kthread_t *, int); 601 extern int new_mstate(kthread_t *, int); 602 extern void restore_mstate(kthread_t *); 603 extern void term_mstate(kthread_t *); 604 extern void estimate_msacct(kthread_t *, hrtime_t); 605 extern void disable_msacct(proc_t *); 606 extern hrtime_t mstate_aggr_state(proc_t *, int); 607 extern void syscall_mstate(int, int); 608 609 extern uint_t cpu_update_pct(kthread_t *, hrtime_t); 610 611 extern void set_proc_pre_sys(proc_t *p); 612 extern void set_proc_post_sys(proc_t *p); 613 extern void set_proc_sys(proc_t *p); 614 extern void set_proc_ast(proc_t *p); 615 extern void set_all_proc_sys(void); 616 617 /* thread function prototypes */ 618 619 extern kthread_t *thread_create( 620 caddr_t stk, 621 size_t stksize, 622 void (*proc)(), 623 void *arg, 624 size_t len, 625 proc_t *pp, 626 int state, 627 pri_t pri); 628 extern void thread_exit(void) __NORETURN; 629 extern void thread_free(kthread_t *); 630 extern void thread_rele(kthread_t *); 631 extern void thread_join(kt_did_t); 632 extern int reaper(void); 633 extern void installctx(kthread_t *, void *, void (*)(), void (*)(), 634 void (*)(), void (*)(), void (*)(), void (*)()); 635 extern int removectx(kthread_t *, void *, void (*)(), void (*)(), 636 void (*)(), void (*)(), void (*)(), void (*)()); 637 extern void savectx(kthread_t *); 638 extern void restorectx(kthread_t *); 639 extern void forkctx(kthread_t *, kthread_t *); 640 extern void lwp_createctx(kthread_t *, kthread_t *); 641 extern void exitctx(kthread_t *); 642 extern void freectx(kthread_t *, int); 643 extern kthread_t *thread_unpin(void); 644 extern void thread_create_intr(struct cpu *); 645 extern void thread_init(void); 646 extern void thread_load(kthread_t *, void (*)(), caddr_t, size_t); 647 648 extern void tsd_create(uint_t *, void (*)(void *)); 649 extern void tsd_destroy(uint_t *); 650 extern void *tsd_getcreate(uint_t *, void (*)(void *), void *(*)(void)); 651 extern void *tsd_get(uint_t); 652 extern int tsd_set(uint_t, void *); 653 extern void tsd_exit(void); 654 extern void *tsd_agent_get(kthread_t *, uint_t); 655 extern int tsd_agent_set(kthread_t *, uint_t, void *); 656 657 /* lwp function prototypes */ 658 659 extern klwp_t *lwp_create( 660 void (*proc)(), 661 caddr_t arg, 662 size_t len, 663 proc_t *p, 664 int state, 665 int pri, 666 const k_sigset_t *smask, 667 int cid, 668 id_t lwpid); 669 extern kthread_t *idtot(proc_t *, id_t); 670 extern void lwp_hash_in(proc_t *, lwpent_t *); 671 extern void lwp_hash_out(proc_t *, id_t); 672 extern lwpdir_t *lwp_hash_lookup(proc_t *, id_t); 673 extern void lwp_create_done(kthread_t *); 674 extern void lwp_exit(void); 675 extern void lwp_pcb_exit(void); 676 extern void lwp_cleanup(void); 677 extern int lwp_suspend(kthread_t *); 678 extern void lwp_continue(kthread_t *); 679 extern void holdlwp(void); 680 extern void stoplwp(void); 681 extern int holdlwps(int); 682 extern int holdwatch(void); 683 extern void pokelwps(proc_t *); 684 extern void continuelwps(proc_t *); 685 extern int exitlwps(int); 686 extern void lwp_ctmpl_copy(klwp_t *, klwp_t *); 687 extern void lwp_ctmpl_clear(klwp_t *); 688 extern klwp_t *forklwp(klwp_t *, proc_t *, id_t); 689 extern void lwp_load(klwp_t *, gregset_t, uintptr_t); 690 extern void lwp_setrval(klwp_t *, int, int); 691 extern void lwp_forkregs(klwp_t *, klwp_t *); 692 extern void lwp_freeregs(klwp_t *, int); 693 extern caddr_t lwp_stk_init(klwp_t *, caddr_t); 694 extern void lwp_stk_fini(klwp_t *); 695 extern void lwp_installctx(klwp_t *); 696 extern void lwp_rtt(void); 697 extern void lwp_rtt_initial(void); 698 extern int lwp_setprivate(klwp_t *, int, uintptr_t); 699 extern void lwp_stat_update(lwp_stat_id_t, long); 700 701 /* 702 * Signal queue function prototypes. Must be here due to header ordering 703 * dependencies. 704 */ 705 extern void sigqfree(proc_t *); 706 extern void siginfofree(sigqueue_t *); 707 extern void sigdeq(proc_t *, kthread_t *, int, sigqueue_t **); 708 extern void sigdelq(proc_t *, kthread_t *, int); 709 extern void sigaddq(proc_t *, kthread_t *, k_siginfo_t *, int); 710 extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *); 711 extern void sigqsend(int, proc_t *, kthread_t *, sigqueue_t *); 712 extern void sigdupq(proc_t *, proc_t *); 713 extern int sigwillqueue(int, int); 714 extern sigqhdr_t *sigqhdralloc(size_t, uint_t); 715 extern sigqueue_t *sigqalloc(sigqhdr_t *); 716 extern void sigqhdrfree(sigqhdr_t *); 717 extern sigqueue_t *sigappend(k_sigset_t *, sigqueue_t *, 718 k_sigset_t *, sigqueue_t *); 719 extern sigqueue_t *sigprepend(k_sigset_t *, sigqueue_t *, 720 k_sigset_t *, sigqueue_t *); 721 extern void winfo(proc_t *, k_siginfo_t *, int); 722 extern int wstat(int, int); 723 extern int sendsig(int, k_siginfo_t *, void (*)()); 724 #if defined(_SYSCALL32_IMPL) 725 extern int sendsig32(int, k_siginfo_t *, void (*)()); 726 #endif 727 728 #endif /* _KERNEL */ 729 730 #ifdef __cplusplus 731 } 732 #endif 733 734 #endif /* _SYS_PROC_H */ 735