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 2009 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 #include <sys/time.h> 34 #include <sys/thread.h> 35 #include <sys/cred.h> 36 #include <sys/user.h> 37 #include <sys/watchpoint.h> 38 #include <sys/timer.h> 39 #if defined(__x86) 40 #include <sys/tss.h> 41 #include <sys/segments.h> 42 #endif 43 #include <sys/utrap.h> 44 #include <sys/model.h> 45 #include <sys/refstr.h> 46 #include <sys/avl.h> 47 #include <sys/rctl.h> 48 #include <sys/list.h> 49 #include <sys/avl.h> 50 #include <sys/door_impl.h> 51 52 #ifdef __cplusplus 53 extern "C" { 54 #endif 55 56 /* 57 * Profile arguments. 58 */ 59 struct prof { 60 void *pr_base; /* buffer base */ 61 uintptr_t pr_off; /* pc offset */ 62 size_t pr_size; /* buffer size */ 63 uint32_t pr_scale; /* pc scaling */ 64 long pr_samples; /* sample count */ 65 }; 66 67 /* 68 * An lwp directory entry. 69 * If le_thread != NULL, this is an active lwp. 70 * If le_thread == NULL, this is an unreaped zombie lwp. 71 */ 72 typedef struct lwpent { 73 kthread_t *le_thread; /* the active lwp, NULL if zombie */ 74 id_t le_lwpid; /* its lwpid (t->t_tid) */ 75 uint16_t le_waiters; /* total number of lwp_wait()ers */ 76 uint16_t le_dwaiters; /* number that are daemons */ 77 clock_t le_start; /* start time of this lwp */ 78 struct vnode *le_trace; /* pointer to /proc lwp vnode */ 79 } lwpent_t; 80 81 typedef struct pctxop { 82 void (*save_op)(void *); /* function to invoke to save ctx */ 83 void (*restore_op)(void *); /* function to invoke to restore ctx */ 84 void (*fork_op)(void *, void *); /* invoke to fork context */ 85 void (*exit_op)(void *); /* invoked during process exit */ 86 void (*free_op)(void *, int); /* function which frees the context */ 87 void *arg; /* argument to above functions */ 88 struct pctxop *next; /* next pcontext ops */ 89 } pctxop_t; 90 91 /* 92 * Elements of the lwp directory, p->p_lwpdir[]. 93 * 94 * We allocate lwp directory entries separately from lwp directory 95 * elements because the lwp directory must be allocated as an array. 96 * The number of lwps can grow quite large and we want to keep the 97 * size of the kmem_alloc()d directory as small as possible. 98 * 99 * If ld_entry == NULL, the entry is free and is on the free list, 100 * p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the 101 * entry is used and ld_next is the thread-id hash link pointer. 102 */ 103 typedef struct lwpdir { 104 struct lwpdir *ld_next; /* hash chain or free list */ 105 struct lwpent *ld_entry; /* lwp directory entry */ 106 } lwpdir_t; 107 108 /* 109 * Element of the p_tidhash thread-id (lwpid) hash table. 110 */ 111 typedef struct tidhash { 112 kmutex_t th_lock; 113 lwpdir_t *th_list; 114 } tidhash_t; 115 116 /* 117 * Retired tidhash hash tables. 118 */ 119 typedef struct ret_tidhash { 120 struct ret_tidhash *rth_next; 121 tidhash_t *rth_tidhash; 122 uint_t rth_tidhash_sz; 123 } ret_tidhash_t; 124 125 struct pool; 126 struct task; 127 struct zone; 128 struct brand; 129 struct corectl_path; 130 struct corectl_content; 131 132 /* 133 * One structure allocated per active process. It contains all 134 * data needed about the process while the process may be swapped 135 * out. Other per-process data (user.h) is also inside the proc structure. 136 * Lightweight-process data (lwp.h) and the kernel stack may be swapped out. 137 */ 138 typedef struct proc { 139 /* 140 * Fields requiring no explicit locking 141 */ 142 struct vnode *p_exec; /* pointer to a.out vnode */ 143 struct as *p_as; /* process address space pointer */ 144 struct plock *p_lockp; /* ptr to proc struct's mutex lock */ 145 kmutex_t p_crlock; /* lock for p_cred */ 146 struct cred *p_cred; /* process credentials */ 147 /* 148 * Fields protected by pidlock 149 */ 150 int p_swapcnt; /* number of swapped out lwps */ 151 char p_stat; /* status of process */ 152 char p_wcode; /* current wait code */ 153 ushort_t p_pidflag; /* flags protected only by pidlock */ 154 int p_wdata; /* current wait return value */ 155 pid_t p_ppid; /* process id of parent */ 156 struct proc *p_link; /* forward link */ 157 struct proc *p_parent; /* ptr to parent process */ 158 struct proc *p_child; /* ptr to first child process */ 159 struct proc *p_sibling; /* ptr to next sibling proc on chain */ 160 struct proc *p_psibling; /* ptr to prev sibling proc on chain */ 161 struct proc *p_sibling_ns; /* prt to siblings with new state */ 162 struct proc *p_child_ns; /* prt to children with new state */ 163 struct proc *p_next; /* active chain link next */ 164 struct proc *p_prev; /* active chain link prev */ 165 struct proc *p_nextofkin; /* gets accounting info at exit */ 166 struct proc *p_orphan; 167 struct proc *p_nextorph; 168 struct proc *p_pglink; /* process group hash chain link next */ 169 struct proc *p_ppglink; /* process group hash chain link prev */ 170 struct sess *p_sessp; /* session information */ 171 struct pid *p_pidp; /* process ID info */ 172 struct pid *p_pgidp; /* process group ID info */ 173 /* 174 * Fields protected by p_lock 175 */ 176 kcondvar_t p_cv; /* proc struct's condition variable */ 177 kcondvar_t p_flag_cv; 178 kcondvar_t p_lwpexit; /* waiting for some lwp to exit */ 179 kcondvar_t p_holdlwps; /* process is waiting for its lwps */ 180 /* to to be held. */ 181 uint_t p_proc_flag; /* /proc-related flags */ 182 uint_t p_flag; /* protected while set. */ 183 /* flags defined below */ 184 clock_t p_utime; /* user time, this process */ 185 clock_t p_stime; /* system time, this process */ 186 clock_t p_cutime; /* sum of children's user time */ 187 clock_t p_cstime; /* sum of children's system time */ 188 avl_tree_t *p_segacct; /* System V shared segment list */ 189 avl_tree_t *p_semacct; /* System V semaphore undo list */ 190 caddr_t p_bssbase; /* base addr of last bss below heap */ 191 caddr_t p_brkbase; /* base addr of heap */ 192 size_t p_brksize; /* heap size in bytes */ 193 uint_t p_brkpageszc; /* preferred heap max page size code */ 194 /* 195 * Per process signal stuff. 196 */ 197 k_sigset_t p_sig; /* signals pending to this process */ 198 k_sigset_t p_extsig; /* signals sent from another contract */ 199 k_sigset_t p_ignore; /* ignore when generated */ 200 k_sigset_t p_siginfo; /* gets signal info with signal */ 201 struct sigqueue *p_sigqueue; /* queued siginfo structures */ 202 struct sigqhdr *p_sigqhdr; /* hdr to sigqueue structure pool */ 203 struct sigqhdr *p_signhdr; /* hdr to signotify structure pool */ 204 uchar_t p_stopsig; /* jobcontrol stop signal */ 205 206 /* 207 * Special per-process flag when set will fix misaligned memory 208 * references. 209 */ 210 char p_fixalignment; 211 212 /* 213 * Per process lwp and kernel thread stuff 214 */ 215 id_t p_lwpid; /* most recently allocated lwpid */ 216 int p_lwpcnt; /* number of lwps in this process */ 217 int p_lwprcnt; /* number of not stopped lwps */ 218 int p_lwpdaemon; /* number of TP_DAEMON lwps */ 219 int p_lwpwait; /* number of lwps in lwp_wait() */ 220 int p_lwpdwait; /* number of daemons in lwp_wait() */ 221 int p_zombcnt; /* number of zombie lwps */ 222 kthread_t *p_tlist; /* circular list of threads */ 223 lwpdir_t *p_lwpdir; /* thread (lwp) directory */ 224 lwpdir_t *p_lwpfree; /* p_lwpdir free list */ 225 tidhash_t *p_tidhash; /* tid (lwpid) lookup hash table */ 226 uint_t p_lwpdir_sz; /* number of p_lwpdir[] entries */ 227 uint_t p_tidhash_sz; /* number of p_tidhash[] entries */ 228 ret_tidhash_t *p_ret_tidhash; /* retired tidhash hash tables */ 229 uint64_t p_lgrpset; /* unprotected hint of set of lgrps */ 230 /* on which process has threads */ 231 volatile lgrp_id_t p_t1_lgrpid; /* main's thread lgroup id */ 232 volatile lgrp_id_t p_tr_lgrpid; /* text replica's lgroup id */ 233 #if defined(_LP64) 234 uintptr_t p_lgrpres2; /* reserved for lgrp migration */ 235 #endif 236 /* 237 * /proc (process filesystem) debugger interface stuff. 238 */ 239 k_sigset_t p_sigmask; /* mask of traced signals (/proc) */ 240 k_fltset_t p_fltmask; /* mask of traced faults (/proc) */ 241 struct vnode *p_trace; /* pointer to primary /proc vnode */ 242 struct vnode *p_plist; /* list of /proc vnodes for process */ 243 kthread_t *p_agenttp; /* thread ptr for /proc agent lwp */ 244 avl_tree_t p_warea; /* list of watched areas */ 245 avl_tree_t p_wpage; /* remembered watched pages (vfork) */ 246 watched_page_t *p_wprot; /* pages that need to have prot set */ 247 int p_mapcnt; /* number of active pr_mappage()s */ 248 kmutex_t p_maplock; /* lock for pr_mappage() */ 249 struct proc *p_rlink; /* linked list for server */ 250 kcondvar_t p_srwchan_cv; 251 size_t p_stksize; /* process stack size in bytes */ 252 uint_t p_stkpageszc; /* preferred stack max page size code */ 253 254 /* 255 * Microstate accounting, resource usage, and real-time profiling 256 */ 257 hrtime_t p_mstart; /* hi-res process start time */ 258 hrtime_t p_mterm; /* hi-res process termination time */ 259 hrtime_t p_mlreal; /* elapsed time sum over defunct lwps */ 260 hrtime_t p_acct[NMSTATES]; /* microstate sum over defunct lwps */ 261 hrtime_t p_cacct[NMSTATES]; /* microstate sum over child procs */ 262 struct lrusage p_ru; /* lrusage sum over defunct lwps */ 263 struct lrusage p_cru; /* lrusage sum over child procs */ 264 struct itimerval p_rprof_timer; /* ITIMER_REALPROF interval timer */ 265 uintptr_t p_rprof_cyclic; /* ITIMER_REALPROF cyclic */ 266 uint_t p_defunct; /* number of defunct lwps */ 267 /* 268 * profiling. A lock is used in the event of multiple lwp's 269 * using the same profiling base/size. 270 */ 271 kmutex_t p_pflock; /* protects user profile arguments */ 272 struct prof p_prof; /* profile arguments */ 273 274 /* 275 * The user structure 276 */ 277 struct user p_user; /* (see sys/user.h) */ 278 279 /* 280 * Doors. 281 */ 282 door_pool_t p_server_threads; /* common thread pool */ 283 struct door_node *p_door_list; /* active doors */ 284 struct door_node *p_unref_list; 285 kcondvar_t p_unref_cv; 286 char p_unref_thread; /* unref thread created */ 287 288 /* 289 * Kernel probes 290 */ 291 uchar_t p_tnf_flags; 292 293 /* 294 * Solaris Audit 295 */ 296 struct p_audit_data *p_audit_data; /* per process audit structure */ 297 298 pctxop_t *p_pctx; 299 300 #if defined(__x86) 301 /* 302 * LDT support. 303 */ 304 kmutex_t p_ldtlock; /* protects the following fields */ 305 user_desc_t *p_ldt; /* Pointer to private LDT */ 306 system_desc_t p_ldt_desc; /* segment descriptor for private LDT */ 307 ushort_t p_ldtlimit; /* highest selector used */ 308 #endif 309 size_t p_swrss; /* resident set size before last swap */ 310 struct aio *p_aio; /* pointer to async I/O struct */ 311 struct itimer **p_itimer; /* interval timers */ 312 timeout_id_t p_alarmid; /* alarm's timeout id */ 313 caddr_t p_usrstack; /* top of the process stack */ 314 uint_t p_stkprot; /* stack memory protection */ 315 uint_t p_datprot; /* data memory protection */ 316 model_t p_model; /* data model determined at exec time */ 317 struct lwpchan_data *p_lcp; /* lwpchan cache */ 318 kmutex_t p_lcp_lock; /* protects assignments to p_lcp */ 319 utrap_handler_t *p_utraps; /* pointer to user trap handlers */ 320 struct corectl_path *p_corefile; /* pattern for core file */ 321 struct task *p_task; /* our containing task */ 322 struct proc *p_taskprev; /* ptr to previous process in task */ 323 struct proc *p_tasknext; /* ptr to next process in task */ 324 kmutex_t p_sc_lock; /* protects p_pagep */ 325 struct sc_page_ctl *p_pagep; /* list of process's shared pages */ 326 struct rctl_set *p_rctls; /* resource controls for this process */ 327 rlim64_t p_stk_ctl; /* currently enforced stack size */ 328 rlim64_t p_fsz_ctl; /* currently enforced file size */ 329 rlim64_t p_vmem_ctl; /* currently enforced addr-space size */ 330 rlim64_t p_fno_ctl; /* currently enforced file-desc limit */ 331 pid_t p_ancpid; /* ancestor pid, used by exacct */ 332 struct itimerval p_realitimer; /* real interval timer */ 333 timeout_id_t p_itimerid; /* real interval timer's timeout id */ 334 struct corectl_content *p_content; /* content of core file */ 335 336 avl_tree_t p_ct_held; /* held contracts */ 337 struct ct_equeue **p_ct_equeue; /* process-type event queues */ 338 339 struct cont_process *p_ct_process; /* process contract */ 340 list_node_t p_ct_member; /* process contract membership */ 341 sigqueue_t *p_killsqp; /* sigqueue pointer for SIGKILL */ 342 343 int p_dtrace_probes; /* are there probes for this proc? */ 344 uint64_t p_dtrace_count; /* number of DTrace tracepoints */ 345 /* (protected by P_PR_LOCK) */ 346 void *p_dtrace_helpers; /* DTrace helpers, if any */ 347 struct pool *p_pool; /* pointer to containing pool */ 348 kcondvar_t p_poolcv; /* synchronization with pools */ 349 uint_t p_poolcnt; /* # threads inside pool barrier */ 350 uint_t p_poolflag; /* pool-related flags (see below) */ 351 uintptr_t p_portcnt; /* event ports counter */ 352 struct zone *p_zone; /* zone in which process lives */ 353 struct vnode *p_execdir; /* directory that p_exec came from */ 354 struct brand *p_brand; /* process's brand */ 355 void *p_brand_data; /* per-process brand state */ 356 357 /* additional lock to protect p_sessp (but not its contents) */ 358 kmutex_t p_splock; 359 rctl_qty_t p_locked_mem; /* locked memory charged to proc */ 360 /* protected by p_lock */ 361 rctl_qty_t p_crypto_mem; /* /dev/crypto memory charged to proc */ 362 /* protected by p_lock */ 363 clock_t p_ttime; /* buffered task time */ 364 } proc_t; 365 366 #define PROC_T /* headers relying on proc_t are OK */ 367 368 #ifdef _KERNEL 369 370 /* active process chain */ 371 372 extern proc_t *practive; 373 374 /* Well known processes */ 375 376 extern proc_t *proc_sched; /* memory scheduler */ 377 extern proc_t *proc_init; /* init */ 378 extern proc_t *proc_pageout; /* pageout daemon */ 379 extern proc_t *proc_fsflush; /* filesystem sync-er */ 380 381 #endif /* _KERNEL */ 382 383 /* 384 * Stuff to keep track of the number of processes each uid has. 385 * It is tracked on a per-zone basis; that is, if users in different 386 * zones have the same uid, they are tracked separately. 387 * 388 * A structure is allocated when a new <uid,zoneid> pair shows up 389 * There is a hash to find each structure. 390 */ 391 struct upcount { 392 struct upcount *up_next; 393 uid_t up_uid; 394 zoneid_t up_zoneid; 395 uint_t up_count; 396 }; 397 398 /* process ID info */ 399 400 struct pid { 401 unsigned int pid_prinactive :1; 402 unsigned int pid_pgorphaned :1; 403 unsigned int pid_padding :6; /* used to be pid_ref, now an int */ 404 unsigned int pid_prslot :24; 405 pid_t pid_id; 406 struct proc *pid_pglink; 407 struct proc *pid_pgtail; 408 struct pid *pid_link; 409 uint_t pid_ref; 410 }; 411 412 #define p_pgrp p_pgidp->pid_id 413 #define p_pid p_pidp->pid_id 414 #define p_slot p_pidp->pid_prslot 415 #define p_detached p_pgidp->pid_pgorphaned 416 417 #define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 418 ++(pidp)->pid_ref; 419 #define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 420 (pidp)->pid_ref > 1 ? \ 421 --(pidp)->pid_ref : pid_rele(pidp); 422 423 /* 424 * Structure containing persistent process lock. The structure and 425 * macro allow "mutex_enter(&p->p_lock)" to continue working. 426 */ 427 struct plock { 428 kmutex_t pl_lock; 429 }; 430 #define p_lock p_lockp->pl_lock 431 432 #ifdef _KERNEL 433 extern proc_t p0; /* process 0 */ 434 extern struct plock p0lock; /* p0's plock */ 435 extern struct pid pid0; /* p0's pid */ 436 437 /* pid_allocate() flags */ 438 #define PID_ALLOC_PROC 0x0001 /* assign a /proc slot as well */ 439 440 #endif /* _KERNEL */ 441 442 /* stat codes */ 443 444 #define SSLEEP 1 /* awaiting an event */ 445 #define SRUN 2 /* runnable */ 446 #define SZOMB 3 /* process terminated but not waited for */ 447 #define SSTOP 4 /* process stopped by debugger */ 448 #define SIDL 5 /* intermediate state in process creation */ 449 #define SONPROC 6 /* process is being run on a processor */ 450 #define SWAIT 7 /* process is waiting to become runnable */ 451 452 /* p_pidflag codes */ 453 #define CLDPEND 0x0001 /* have yet to post a SIGCHLD to the parent */ 454 #define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */ 455 #define CLDNOSIGCHLD 0x0004 /* do not post SIGCHLD when child terminates */ 456 #define CLDWAITPID 0x0008 /* only waitid(P_PID, pid) can reap the child */ 457 458 /* p_proc_flag codes -- these flags are mostly private to /proc */ 459 #define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */ 460 #define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */ 461 #define P_PR_FORK 0x0004 /* child inherits tracing flags */ 462 #define P_PR_LOCK 0x0008 /* process locked by /proc */ 463 #define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */ 464 #define P_PR_EXEC 0x0020 /* process is in exec() */ 465 #define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */ 466 #define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */ 467 #define P_PR_KILLCL 0x0100 /* kill process on last /proc close */ 468 469 /* 470 * p_flag codes 471 * 472 * note that two of these flags, SMSACCT and SSYS, are exported to /proc's 473 * psinfo_t.p_flag field. Historically, all were, but since they are 474 * implementation dependant, we only export the ones people have come to 475 * rely upon. Hence, the bit positions of SSYS and SMSACCT should not be 476 * altered. 477 */ 478 #define SSYS 0x00000001 /* system (resident) process */ 479 #define SEXITING 0x00000002 /* process is exiting */ 480 #define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */ 481 #define SFORKING 0x00000008 /* tells called functions that we're forking */ 482 #define SWATCHOK 0x00000010 /* proc in acceptable state for watchpoints */ 483 #define SKILLED 0x00000100 /* SIGKILL has been posted to the process */ 484 #define SSCONT 0x00000200 /* SIGCONT has been posted to the process */ 485 #define SZONETOP 0x00000400 /* process has no valid PPID in its zone */ 486 #define SEXTKILLED 0x00000800 /* SKILLED is from another contract */ 487 #define SUGID 0x00002000 /* process was result of set[ug]id exec */ 488 #define SEXECED 0x00004000 /* this process has execed */ 489 #define SJCTL 0x00010000 /* SIGCHLD sent when children stop/continue */ 490 #define SNOWAIT 0x00020000 /* children never become zombies */ 491 #define SVFORK 0x00040000 /* child of vfork that has not yet exec'd */ 492 #define SVFWAIT 0x00080000 /* parent of vfork waiting for child to exec */ 493 #define SEXITLWPS 0x00100000 /* have lwps exit within the process */ 494 #define SHOLDFORK 0x00200000 /* hold lwps where they're cloneable */ 495 #define SHOLDFORK1 0x00800000 /* hold lwps in place (not cloning) */ 496 #define SCOREDUMP 0x01000000 /* process is dumping core */ 497 #define SMSACCT 0x02000000 /* process is keeping micro-state accounting */ 498 #define SLWPWRAP 0x04000000 /* process has wrapped its lwp ids */ 499 #define SAUTOLPG 0x08000000 /* kernel controls page sizes */ 500 #define SNOCD 0x10000000 /* new creds from VSxID, do not coredump */ 501 #define SHOLDWATCH 0x20000000 /* hold lwps for watchpoint operation */ 502 #define SMSFORK 0x40000000 /* child inherits micro-state accounting */ 503 #define SDOCORE 0x80000000 /* process will attempt to dump core */ 504 505 /* 506 * p_poolflag codes 507 * 508 * These flags are used to synchronize with the pool subsystem to allow 509 * re-binding of processes to new pools. 510 */ 511 #define PBWAIT 0x0001 /* process should wait outside fork/exec/exit */ 512 #define PEXITED 0x0002 /* process exited and about to become zombie */ 513 514 /* Macro to convert proc pointer to a user block pointer */ 515 #define PTOU(p) (&(p)->p_user) 516 517 #define tracing(p, sig) (sigismember(&(p)->p_sigmask, sig)) 518 519 /* Macro to reduce unnecessary calls to issig() */ 520 521 #define ISSIG(t, why) ISSIG_FAST(t, ttolwp(t), ttoproc(t), why) 522 523 /* 524 * Fast version of ISSIG. 525 * 1. uses register pointers to lwp and proc instead of reloading them. 526 * 2. uses bit-wise OR of tests, since the usual case is that none of them 527 * are true, this saves orcc's and branches. 528 * 3. load the signal flags instead of using sigisempty() macro which does 529 * a branch to convert to boolean. 530 */ 531 #define ISSIG_FAST(t, lwp, p, why) \ 532 (ISSIG_PENDING(t, lwp, p) && issig(why)) 533 534 #define ISSIG_PENDING(t, lwp, p) \ 535 ((lwp)->lwp_cursig | \ 536 sigcheck((p), (t)) | \ 537 (p)->p_stopsig | \ 538 (t)->t_dtrace_stop | \ 539 (t)->t_dtrace_sig | \ 540 ((t)->t_proc_flag & (TP_PRSTOP|TP_HOLDLWP|TP_CHKPT|TP_PAUSE)) | \ 541 ((p)->p_flag & (SEXITLWPS|SKILLED|SHOLDFORK1|SHOLDWATCH))) 542 543 #define ISSTOP(sig) (u.u_signal[sig-1] == SIG_DFL && \ 544 sigismember(&stopdefault, sig)) 545 546 #define ISHOLD(p) ((p)->p_flag & SHOLDFORK) 547 548 #define MUSTRETURN(p, t) (ISHOLD(p) | (t)->t_activefd.a_stale) 549 550 /* 551 * Determine if there are any watchpoints active in the process. 552 */ 553 #define pr_watch_active(p) (avl_numnodes(&(p)->p_warea) != 0) 554 555 /* Reasons for calling issig() */ 556 557 #define FORREAL 0 /* Usual side-effects */ 558 #define JUSTLOOKING 1 /* Don't stop the process */ 559 560 /* 'what' values for stop(PR_SUSPENDED, what) */ 561 #define SUSPEND_NORMAL 0 562 #define SUSPEND_PAUSE 1 563 564 /* pseudo-flag to lwp_create() */ 565 #define NOCLASS (-1) 566 567 /* unused scheduling class ID */ 568 #define CLASS_UNUSED (-2) 569 570 /* LWP stats updated via lwp_stats_update() */ 571 typedef enum { 572 LWP_STAT_INBLK, 573 LWP_STAT_OUBLK, 574 LWP_STAT_MSGRCV, 575 LWP_STAT_MSGSND 576 } lwp_stat_id_t; 577 578 #ifdef _KERNEL 579 580 /* user profiling functions */ 581 582 extern void profil_tick(uintptr_t); 583 584 /* process management functions */ 585 586 extern int newproc(void (*)(), caddr_t, id_t, int, struct contract **, pid_t); 587 extern void vfwait(pid_t); 588 extern void proc_detach(proc_t *); 589 extern void freeproc(proc_t *); 590 extern void setrun(kthread_t *); 591 extern void setrun_locked(kthread_t *); 592 extern void exit(int, int); 593 extern int proc_exit(int, int); 594 extern void proc_is_exiting(proc_t *); 595 extern void relvm(void); 596 extern void add_ns(proc_t *, proc_t *); 597 extern void delete_ns(proc_t *, proc_t *); 598 extern void upcount_inc(uid_t, zoneid_t); 599 extern void upcount_dec(uid_t, zoneid_t); 600 extern int upcount_get(uid_t, zoneid_t); 601 #if defined(__x86) 602 extern selector_t setup_thrptr(proc_t *, uintptr_t); 603 extern void deferred_singlestep_trap(caddr_t); 604 #endif 605 606 extern void sigcld(proc_t *, sigqueue_t *); 607 extern void sigcld_delete(k_siginfo_t *); 608 extern void sigcld_repost(void); 609 extern int fsig(k_sigset_t *, kthread_t *); 610 extern void psig(void); 611 extern void stop(int, int); 612 extern int stop_on_fault(uint_t, k_siginfo_t *); 613 extern int issig(int); 614 extern int jobstopped(proc_t *); 615 extern void psignal(proc_t *, int); 616 extern void tsignal(kthread_t *, int); 617 extern void sigtoproc(proc_t *, kthread_t *, int); 618 extern void trapsig(k_siginfo_t *, int); 619 extern void realsigprof(int, int, int); 620 extern int eat_signal(kthread_t *, int); 621 extern int signal_is_blocked(kthread_t *, int); 622 extern int sigcheck(proc_t *, kthread_t *); 623 extern void sigdefault(proc_t *); 624 625 extern void pid_setmin(void); 626 extern pid_t pid_allocate(proc_t *, pid_t, int); 627 extern struct pid *pid_find(pid_t); 628 extern int pid_rele(struct pid *); 629 extern void pid_exit(proc_t *); 630 extern void proc_entry_free(struct pid *); 631 extern proc_t *prfind(pid_t); 632 extern proc_t *prfind_zone(pid_t, zoneid_t); 633 extern proc_t *pgfind(pid_t); 634 extern proc_t *pgfind_zone(pid_t, zoneid_t); 635 extern proc_t *sprlock(pid_t); 636 extern proc_t *sprlock_zone(pid_t, zoneid_t); 637 extern int sprtrylock_proc(proc_t *); 638 extern void sprwaitlock_proc(proc_t *); 639 extern void sprlock_proc(proc_t *); 640 extern void sprunlock(proc_t *); 641 extern void pid_init(void); 642 extern proc_t *pid_entry(int); 643 extern int pid_slot(proc_t *); 644 extern void signal(pid_t, int); 645 extern void prsignal(struct pid *, int); 646 extern int uread(proc_t *, void *, size_t, uintptr_t); 647 extern int uwrite(proc_t *, void *, size_t, uintptr_t); 648 649 extern void pgsignal(struct pid *, int); 650 extern void pgjoin(proc_t *, struct pid *); 651 extern void pgcreate(proc_t *); 652 extern void pgexit(proc_t *); 653 extern void pgdetach(proc_t *); 654 extern int pgmembers(pid_t); 655 656 extern void init_mstate(kthread_t *, int); 657 extern int new_mstate(kthread_t *, int); 658 extern void restore_mstate(kthread_t *); 659 extern void term_mstate(kthread_t *); 660 extern void estimate_msacct(kthread_t *, hrtime_t); 661 extern void disable_msacct(proc_t *); 662 extern hrtime_t mstate_aggr_state(proc_t *, int); 663 extern hrtime_t mstate_thread_onproc_time(kthread_t *); 664 extern void mstate_systhread_times(kthread_t *, hrtime_t *, hrtime_t *); 665 extern void syscall_mstate(int, int); 666 667 extern uint_t cpu_update_pct(kthread_t *, hrtime_t); 668 669 extern void set_proc_pre_sys(proc_t *p); 670 extern void set_proc_post_sys(proc_t *p); 671 extern void set_proc_sys(proc_t *p); 672 extern void set_proc_ast(proc_t *p); 673 extern void set_all_proc_sys(void); 674 675 /* thread function prototypes */ 676 677 extern kthread_t *thread_create( 678 caddr_t stk, 679 size_t stksize, 680 void (*proc)(), 681 void *arg, 682 size_t len, 683 proc_t *pp, 684 int state, 685 pri_t pri); 686 extern void thread_exit(void) __NORETURN; 687 extern void thread_free(kthread_t *); 688 extern void thread_rele(kthread_t *); 689 extern void thread_join(kt_did_t); 690 extern int reaper(void); 691 extern void installctx(kthread_t *, void *, void (*)(), void (*)(), 692 void (*)(), void (*)(), void (*)(), void (*)()); 693 extern int removectx(kthread_t *, void *, void (*)(), void (*)(), 694 void (*)(), void (*)(), void (*)(), void (*)()); 695 extern void savectx(kthread_t *); 696 extern void restorectx(kthread_t *); 697 extern void forkctx(kthread_t *, kthread_t *); 698 extern void lwp_createctx(kthread_t *, kthread_t *); 699 extern void exitctx(kthread_t *); 700 extern void freectx(kthread_t *, int); 701 extern void installpctx(proc_t *, void *, void (*)(), void (*)(), 702 void (*)(), void (*)(), void (*)()); 703 extern int removepctx(proc_t *, void *, void (*)(), void (*)(), 704 void (*)(), void (*)(), void (*)()); 705 extern void savepctx(proc_t *); 706 extern void restorepctx(proc_t *); 707 extern void forkpctx(proc_t *, proc_t *); 708 extern void exitpctx(proc_t *); 709 extern void freepctx(proc_t *, int); 710 extern kthread_t *thread_unpin(void); 711 extern void thread_init(void); 712 extern void thread_load(kthread_t *, void (*)(), caddr_t, size_t); 713 714 extern void tsd_create(uint_t *, void (*)(void *)); 715 extern void tsd_destroy(uint_t *); 716 extern void *tsd_getcreate(uint_t *, void (*)(void *), void *(*)(void)); 717 extern void *tsd_get(uint_t); 718 extern int tsd_set(uint_t, void *); 719 extern void tsd_exit(void); 720 extern void *tsd_agent_get(kthread_t *, uint_t); 721 extern int tsd_agent_set(kthread_t *, uint_t, void *); 722 723 /* lwp function prototypes */ 724 725 extern kthread_t *lwp_kernel_create(proc_t *, void (*)(), void *, int, pri_t); 726 extern klwp_t *lwp_create( 727 void (*proc)(), 728 caddr_t arg, 729 size_t len, 730 proc_t *p, 731 int state, 732 int pri, 733 const k_sigset_t *smask, 734 int cid, 735 id_t lwpid); 736 extern kthread_t *idtot(proc_t *, id_t); 737 extern void lwp_hash_in(proc_t *, lwpent_t *, tidhash_t *, uint_t, int); 738 extern void lwp_hash_out(proc_t *, id_t); 739 extern lwpdir_t *lwp_hash_lookup(proc_t *, id_t); 740 extern lwpdir_t *lwp_hash_lookup_and_lock(proc_t *, id_t, kmutex_t **); 741 extern void lwp_create_done(kthread_t *); 742 extern void lwp_exit(void); 743 extern void lwp_pcb_exit(void); 744 extern void lwp_cleanup(void); 745 extern int lwp_suspend(kthread_t *); 746 extern void lwp_continue(kthread_t *); 747 extern void holdlwp(void); 748 extern void stoplwp(void); 749 extern int holdlwps(int); 750 extern int holdwatch(void); 751 extern void pokelwps(proc_t *); 752 extern void continuelwps(proc_t *); 753 extern int exitlwps(int); 754 extern void lwp_ctmpl_copy(klwp_t *, klwp_t *); 755 extern void lwp_ctmpl_clear(klwp_t *); 756 extern klwp_t *forklwp(klwp_t *, proc_t *, id_t); 757 extern void lwp_load(klwp_t *, gregset_t, uintptr_t); 758 extern void lwp_setrval(klwp_t *, int, int); 759 extern void lwp_forkregs(klwp_t *, klwp_t *); 760 extern void lwp_freeregs(klwp_t *, int); 761 extern caddr_t lwp_stk_init(klwp_t *, caddr_t); 762 extern void lwp_stk_cache_init(void); 763 extern void lwp_stk_fini(klwp_t *); 764 extern void lwp_installctx(klwp_t *); 765 extern void lwp_rtt(void); 766 extern void lwp_rtt_initial(void); 767 extern int lwp_setprivate(klwp_t *, int, uintptr_t); 768 extern void lwp_stat_update(lwp_stat_id_t, long); 769 extern void lwp_attach_brand_hdlrs(klwp_t *); 770 extern void lwp_detach_brand_hdlrs(klwp_t *); 771 772 #if defined(__sparcv9) 773 extern void lwp_mmodel_newlwp(void); 774 extern void lwp_mmodel_shared_as(caddr_t, size_t); 775 #define LWP_MMODEL_NEWLWP() lwp_mmodel_newlwp() 776 #define LWP_MMODEL_SHARED_AS(addr, sz) lwp_mmodel_shared_as((addr), (sz)) 777 #else 778 #define LWP_MMODEL_NEWLWP() 779 #define LWP_MMODEL_SHARED_AS(addr, sz) 780 #endif 781 782 /* 783 * Signal queue function prototypes. Must be here due to header ordering 784 * dependencies. 785 */ 786 extern void sigqfree(proc_t *); 787 extern void siginfofree(sigqueue_t *); 788 extern void sigdeq(proc_t *, kthread_t *, int, sigqueue_t **); 789 extern void sigdelq(proc_t *, kthread_t *, int); 790 extern void sigaddq(proc_t *, kthread_t *, k_siginfo_t *, int); 791 extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *); 792 extern void sigqsend(int, proc_t *, kthread_t *, sigqueue_t *); 793 extern void sigdupq(proc_t *, proc_t *); 794 extern int sigwillqueue(int, int); 795 extern sigqhdr_t *sigqhdralloc(size_t, uint_t); 796 extern sigqueue_t *sigqalloc(sigqhdr_t *); 797 extern void sigqhdrfree(sigqhdr_t *); 798 extern sigqueue_t *sigappend(k_sigset_t *, sigqueue_t *, 799 k_sigset_t *, sigqueue_t *); 800 extern sigqueue_t *sigprepend(k_sigset_t *, sigqueue_t *, 801 k_sigset_t *, sigqueue_t *); 802 extern void winfo(proc_t *, k_siginfo_t *, int); 803 extern int wstat(int, int); 804 extern int sendsig(int, k_siginfo_t *, void (*)()); 805 #if defined(_SYSCALL32_IMPL) 806 extern int sendsig32(int, k_siginfo_t *, void (*)()); 807 #endif 808 809 #endif /* _KERNEL */ 810 811 #ifdef __cplusplus 812 } 813 #endif 814 815 #endif /* _SYS_PROC_H */ 816