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 (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 29 #ifndef _SYS_PROC_H 30 #define _SYS_PROC_H 31 32 #include <sys/time.h> 33 #include <sys/thread.h> 34 #include <sys/cred.h> 35 #include <sys/user.h> 36 #include <sys/watchpoint.h> 37 #include <sys/timer.h> 38 #if defined(__x86) 39 #include <sys/tss.h> 40 #include <sys/segments.h> 41 #endif 42 #include <sys/utrap.h> 43 #include <sys/model.h> 44 #include <sys/refstr.h> 45 #include <sys/avl.h> 46 #include <sys/rctl.h> 47 #include <sys/list.h> 48 #include <sys/avl.h> 49 #include <sys/door_impl.h> 50 51 #ifdef __cplusplus 52 extern "C" { 53 #endif 54 55 /* 56 * Profile arguments. 57 */ 58 struct prof { 59 void *pr_base; /* buffer base */ 60 uintptr_t pr_off; /* pc offset */ 61 size_t pr_size; /* buffer size */ 62 uint32_t pr_scale; /* pc scaling */ 63 long pr_samples; /* sample count */ 64 }; 65 66 /* 67 * An lwp directory entry. 68 * If le_thread != NULL, this is an active lwp. 69 * If le_thread == NULL, this is an unreaped zombie lwp. 70 */ 71 typedef struct lwpent { 72 kthread_t *le_thread; /* the active lwp, NULL if zombie */ 73 id_t le_lwpid; /* its lwpid (t->t_tid) */ 74 uint16_t le_waiters; /* total number of lwp_wait()ers */ 75 uint16_t le_dwaiters; /* number that are daemons */ 76 clock_t le_start; /* start time of this lwp */ 77 struct vnode *le_trace; /* pointer to /proc lwp vnode */ 78 } lwpent_t; 79 80 typedef struct pctxop { 81 void (*save_op)(void *); /* function to invoke to save ctx */ 82 void (*restore_op)(void *); /* function to invoke to restore ctx */ 83 void (*fork_op)(void *, void *); /* invoke to fork context */ 84 void (*exit_op)(void *); /* invoked during process exit */ 85 void (*free_op)(void *, int); /* function which frees the context */ 86 void *arg; /* argument to above functions */ 87 struct pctxop *next; /* next pcontext ops */ 88 } pctxop_t; 89 90 /* 91 * Elements of the lwp directory, p->p_lwpdir[]. 92 * 93 * We allocate lwp directory entries separately from lwp directory 94 * elements because the lwp directory must be allocated as an array. 95 * The number of lwps can grow quite large and we want to keep the 96 * size of the kmem_alloc()d directory as small as possible. 97 * 98 * If ld_entry == NULL, the entry is free and is on the free list, 99 * p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the 100 * entry is used and ld_next is the thread-id hash link pointer. 101 */ 102 typedef struct lwpdir { 103 struct lwpdir *ld_next; /* hash chain or free list */ 104 struct lwpent *ld_entry; /* lwp directory entry */ 105 } lwpdir_t; 106 107 /* 108 * Element of the p_tidhash thread-id (lwpid) hash table. 109 */ 110 typedef struct tidhash { 111 kmutex_t th_lock; 112 lwpdir_t *th_list; 113 } tidhash_t; 114 115 /* 116 * Retired tidhash hash tables. 117 */ 118 typedef struct ret_tidhash { 119 struct ret_tidhash *rth_next; 120 tidhash_t *rth_tidhash; 121 uint_t rth_tidhash_sz; 122 } ret_tidhash_t; 123 124 struct pool; 125 struct task; 126 struct zone; 127 struct brand; 128 struct corectl_path; 129 struct corectl_content; 130 131 /* 132 * One structure allocated per active process. It contains all 133 * data needed about the process while the process may be swapped 134 * out. Other per-process data (user.h) is also inside the proc structure. 135 * Lightweight-process data (lwp.h) and the kernel stack may be swapped out. 136 */ 137 typedef struct proc { 138 /* 139 * Fields requiring no explicit locking 140 */ 141 struct vnode *p_exec; /* pointer to a.out vnode */ 142 struct as *p_as; /* process address space pointer */ 143 struct plock *p_lockp; /* ptr to proc struct's mutex lock */ 144 kmutex_t p_crlock; /* lock for p_cred */ 145 struct cred *p_cred; /* process credentials */ 146 /* 147 * Fields protected by pidlock 148 */ 149 int p_swapcnt; /* number of swapped out lwps */ 150 char p_stat; /* status of process */ 151 char p_wcode; /* current wait code */ 152 ushort_t p_pidflag; /* flags protected only by pidlock */ 153 int p_wdata; /* current wait return value */ 154 pid_t p_ppid; /* process id of parent */ 155 struct proc *p_link; /* forward link */ 156 struct proc *p_parent; /* ptr to parent process */ 157 struct proc *p_child; /* ptr to first child process */ 158 struct proc *p_sibling; /* ptr to next sibling proc on chain */ 159 struct proc *p_psibling; /* ptr to prev sibling proc on chain */ 160 struct proc *p_sibling_ns; /* prt to siblings with new state */ 161 struct proc *p_child_ns; /* prt to children with new state */ 162 struct proc *p_next; /* active chain link next */ 163 struct proc *p_prev; /* active chain link prev */ 164 struct proc *p_nextofkin; /* gets accounting info at exit */ 165 struct proc *p_orphan; 166 struct proc *p_nextorph; 167 struct proc *p_pglink; /* process group hash chain link next */ 168 struct proc *p_ppglink; /* process group hash chain link prev */ 169 struct sess *p_sessp; /* session information */ 170 struct pid *p_pidp; /* process ID info */ 171 struct pid *p_pgidp; /* process group ID info */ 172 /* 173 * Fields protected by p_lock 174 */ 175 kcondvar_t p_cv; /* proc struct's condition variable */ 176 kcondvar_t p_flag_cv; 177 kcondvar_t p_lwpexit; /* waiting for some lwp to exit */ 178 kcondvar_t p_holdlwps; /* process is waiting for its lwps */ 179 /* to to be held. */ 180 uint_t p_proc_flag; /* /proc-related flags */ 181 uint_t p_flag; /* protected while set. */ 182 /* flags defined below */ 183 clock_t p_utime; /* user time, this process */ 184 clock_t p_stime; /* system time, this process */ 185 clock_t p_cutime; /* sum of children's user time */ 186 clock_t p_cstime; /* sum of children's system time */ 187 avl_tree_t *p_segacct; /* System V shared segment list */ 188 avl_tree_t *p_semacct; /* System V semaphore undo list */ 189 caddr_t p_bssbase; /* base addr of last bss below heap */ 190 caddr_t p_brkbase; /* base addr of heap */ 191 size_t p_brksize; /* heap size in bytes */ 192 uint_t p_brkpageszc; /* preferred heap max page size code */ 193 /* 194 * Per process signal stuff. 195 */ 196 k_sigset_t p_sig; /* signals pending to this process */ 197 k_sigset_t p_extsig; /* signals sent from another contract */ 198 k_sigset_t p_ignore; /* ignore when generated */ 199 k_sigset_t p_siginfo; /* gets signal info with signal */ 200 struct sigqueue *p_sigqueue; /* queued siginfo structures */ 201 struct sigqhdr *p_sigqhdr; /* hdr to sigqueue structure pool */ 202 struct sigqhdr *p_signhdr; /* hdr to signotify structure pool */ 203 uchar_t p_stopsig; /* jobcontrol stop signal */ 204 205 /* 206 * Special per-process flag when set will fix misaligned memory 207 * references. 208 */ 209 char p_fixalignment; 210 211 /* 212 * Per process lwp and kernel thread stuff 213 */ 214 id_t p_lwpid; /* most recently allocated lwpid */ 215 int p_lwpcnt; /* number of lwps in this process */ 216 int p_lwprcnt; /* number of not stopped lwps */ 217 int p_lwpdaemon; /* number of TP_DAEMON lwps */ 218 int p_lwpwait; /* number of lwps in lwp_wait() */ 219 int p_lwpdwait; /* number of daemons in lwp_wait() */ 220 int p_zombcnt; /* number of zombie lwps */ 221 kthread_t *p_tlist; /* circular list of threads */ 222 lwpdir_t *p_lwpdir; /* thread (lwp) directory */ 223 lwpdir_t *p_lwpfree; /* p_lwpdir free list */ 224 tidhash_t *p_tidhash; /* tid (lwpid) lookup hash table */ 225 uint_t p_lwpdir_sz; /* number of p_lwpdir[] entries */ 226 uint_t p_tidhash_sz; /* number of p_tidhash[] entries */ 227 ret_tidhash_t *p_ret_tidhash; /* retired tidhash hash tables */ 228 uint64_t p_lgrpset; /* unprotected hint of set of lgrps */ 229 /* on which process has threads */ 230 volatile lgrp_id_t p_t1_lgrpid; /* main's thread lgroup id */ 231 volatile lgrp_id_t p_tr_lgrpid; /* text replica's lgroup id */ 232 #if defined(_LP64) 233 uintptr_t p_lgrpres2; /* reserved for lgrp migration */ 234 #endif 235 /* 236 * /proc (process filesystem) debugger interface stuff. 237 */ 238 k_sigset_t p_sigmask; /* mask of traced signals (/proc) */ 239 k_fltset_t p_fltmask; /* mask of traced faults (/proc) */ 240 struct vnode *p_trace; /* pointer to primary /proc vnode */ 241 struct vnode *p_plist; /* list of /proc vnodes for process */ 242 kthread_t *p_agenttp; /* thread ptr for /proc agent lwp */ 243 avl_tree_t p_warea; /* list of watched areas */ 244 avl_tree_t p_wpage; /* remembered watched pages (vfork) */ 245 watched_page_t *p_wprot; /* pages that need to have prot set */ 246 int p_mapcnt; /* number of active pr_mappage()s */ 247 kmutex_t p_maplock; /* lock for pr_mappage() */ 248 struct proc *p_rlink; /* linked list for server */ 249 kcondvar_t p_srwchan_cv; 250 size_t p_stksize; /* process stack size in bytes */ 251 uint_t p_stkpageszc; /* preferred stack max page size code */ 252 253 /* 254 * Microstate accounting, resource usage, and real-time profiling 255 */ 256 hrtime_t p_mstart; /* hi-res process start time */ 257 hrtime_t p_mterm; /* hi-res process termination time */ 258 hrtime_t p_mlreal; /* elapsed time sum over defunct lwps */ 259 hrtime_t p_acct[NMSTATES]; /* microstate sum over defunct lwps */ 260 hrtime_t p_cacct[NMSTATES]; /* microstate sum over child procs */ 261 struct lrusage p_ru; /* lrusage sum over defunct lwps */ 262 struct lrusage p_cru; /* lrusage sum over child procs */ 263 struct itimerval p_rprof_timer; /* ITIMER_REALPROF interval timer */ 264 uintptr_t p_rprof_cyclic; /* ITIMER_REALPROF cyclic */ 265 uint_t p_defunct; /* number of defunct lwps */ 266 /* 267 * profiling. A lock is used in the event of multiple lwp's 268 * using the same profiling base/size. 269 */ 270 kmutex_t p_pflock; /* protects user profile arguments */ 271 struct prof p_prof; /* profile arguments */ 272 273 /* 274 * Doors. 275 */ 276 door_pool_t p_server_threads; /* common thread pool */ 277 struct door_node *p_door_list; /* active doors */ 278 struct door_node *p_unref_list; 279 kcondvar_t p_unref_cv; 280 char p_unref_thread; /* unref thread created */ 281 282 /* 283 * Kernel probes 284 */ 285 uchar_t p_tnf_flags; 286 287 /* 288 * Solaris Audit 289 */ 290 struct p_audit_data *p_audit_data; /* per process audit structure */ 291 292 pctxop_t *p_pctx; 293 294 #if defined(__x86) 295 /* 296 * LDT support. 297 */ 298 kmutex_t p_ldtlock; /* protects the following fields */ 299 user_desc_t *p_ldt; /* Pointer to private LDT */ 300 system_desc_t p_ldt_desc; /* segment descriptor for private LDT */ 301 ushort_t p_ldtlimit; /* highest selector used */ 302 #endif 303 size_t p_swrss; /* resident set size before last swap */ 304 struct aio *p_aio; /* pointer to async I/O struct */ 305 struct itimer **p_itimer; /* interval timers */ 306 timeout_id_t p_alarmid; /* alarm's timeout id */ 307 caddr_t p_usrstack; /* top of the process stack */ 308 uint_t p_stkprot; /* stack memory protection */ 309 uint_t p_datprot; /* data memory protection */ 310 model_t p_model; /* data model determined at exec time */ 311 struct lwpchan_data *p_lcp; /* lwpchan cache */ 312 kmutex_t p_lcp_lock; /* protects assignments to p_lcp */ 313 utrap_handler_t *p_utraps; /* pointer to user trap handlers */ 314 struct corectl_path *p_corefile; /* pattern for core file */ 315 struct task *p_task; /* our containing task */ 316 struct proc *p_taskprev; /* ptr to previous process in task */ 317 struct proc *p_tasknext; /* ptr to next process in task */ 318 kmutex_t p_sc_lock; /* protects p_pagep */ 319 struct sc_page_ctl *p_pagep; /* list of process's shared pages */ 320 struct rctl_set *p_rctls; /* resource controls for this process */ 321 rlim64_t p_stk_ctl; /* currently enforced stack size */ 322 rlim64_t p_fsz_ctl; /* currently enforced file size */ 323 rlim64_t p_vmem_ctl; /* currently enforced addr-space size */ 324 rlim64_t p_fno_ctl; /* currently enforced file-desc limit */ 325 pid_t p_ancpid; /* ancestor pid, used by exacct */ 326 struct itimerval p_realitimer; /* real interval timer */ 327 timeout_id_t p_itimerid; /* real interval timer's timeout id */ 328 struct corectl_content *p_content; /* content of core file */ 329 330 avl_tree_t p_ct_held; /* held contracts */ 331 struct ct_equeue **p_ct_equeue; /* process-type event queues */ 332 333 struct cont_process *p_ct_process; /* process contract */ 334 list_node_t p_ct_member; /* process contract membership */ 335 sigqueue_t *p_killsqp; /* sigqueue pointer for SIGKILL */ 336 337 int p_dtrace_probes; /* are there probes for this proc? */ 338 uint64_t p_dtrace_count; /* number of DTrace tracepoints */ 339 /* (protected by P_PR_LOCK) */ 340 void *p_dtrace_helpers; /* DTrace helpers, if any */ 341 struct pool *p_pool; /* pointer to containing pool */ 342 kcondvar_t p_poolcv; /* synchronization with pools */ 343 uint_t p_poolcnt; /* # threads inside pool barrier */ 344 uint_t p_poolflag; /* pool-related flags (see below) */ 345 uintptr_t p_portcnt; /* event ports counter */ 346 struct zone *p_zone; /* zone in which process lives */ 347 struct vnode *p_execdir; /* directory that p_exec came from */ 348 struct brand *p_brand; /* process's brand */ 349 void *p_brand_data; /* per-process brand state */ 350 351 /* additional lock to protect p_sessp (but not its contents) */ 352 kmutex_t p_splock; 353 rctl_qty_t p_locked_mem; /* locked memory charged to proc */ 354 /* protected by p_lock */ 355 rctl_qty_t p_crypto_mem; /* /dev/crypto memory charged to proc */ 356 /* protected by p_lock */ 357 clock_t p_ttime; /* buffered task time */ 358 359 /* 360 * The user structure 361 */ 362 struct user p_user; /* (see sys/user.h) */ 363 } proc_t; 364 365 #define PROC_T /* headers relying on proc_t are OK */ 366 367 #ifdef _KERNEL 368 369 /* active process chain */ 370 371 extern proc_t *practive; 372 373 /* Well known processes */ 374 375 extern proc_t *proc_sched; /* memory scheduler */ 376 extern proc_t *proc_init; /* init */ 377 extern proc_t *proc_pageout; /* pageout daemon */ 378 extern proc_t *proc_fsflush; /* filesystem sync-er */ 379 380 #endif /* _KERNEL */ 381 382 /* 383 * Stuff to keep track of the number of processes each uid has. 384 * It is tracked on a per-zone basis; that is, if users in different 385 * zones have the same uid, they are tracked separately. 386 * 387 * A structure is allocated when a new <uid,zoneid> pair shows up 388 * There is a hash to find each structure. 389 */ 390 struct upcount { 391 struct upcount *up_next; 392 uid_t up_uid; 393 zoneid_t up_zoneid; 394 uint_t up_count; 395 }; 396 397 /* process ID info */ 398 399 struct pid { 400 unsigned int pid_prinactive :1; 401 unsigned int pid_pgorphaned :1; 402 unsigned int pid_padding :6; /* used to be pid_ref, now an int */ 403 unsigned int pid_prslot :24; 404 pid_t pid_id; 405 struct proc *pid_pglink; 406 struct proc *pid_pgtail; 407 struct pid *pid_link; 408 uint_t pid_ref; 409 }; 410 411 #define p_pgrp p_pgidp->pid_id 412 #define p_pid p_pidp->pid_id 413 #define p_slot p_pidp->pid_prslot 414 #define p_detached p_pgidp->pid_pgorphaned 415 416 #define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 417 ++(pidp)->pid_ref; 418 #define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 419 (pidp)->pid_ref > 1 ? \ 420 --(pidp)->pid_ref : pid_rele(pidp); 421 422 /* 423 * Structure containing persistent process lock. The structure and 424 * macro allow "mutex_enter(&p->p_lock)" to continue working. 425 */ 426 struct plock { 427 kmutex_t pl_lock; 428 }; 429 #define p_lock p_lockp->pl_lock 430 431 #ifdef _KERNEL 432 extern proc_t p0; /* process 0 */ 433 extern struct plock p0lock; /* p0's plock */ 434 extern struct pid pid0; /* p0's pid */ 435 436 /* pid_allocate() flags */ 437 #define PID_ALLOC_PROC 0x0001 /* assign a /proc slot as well */ 438 439 #endif /* _KERNEL */ 440 441 /* stat codes */ 442 443 #define SSLEEP 1 /* awaiting an event */ 444 #define SRUN 2 /* runnable */ 445 #define SZOMB 3 /* process terminated but not waited for */ 446 #define SSTOP 4 /* process stopped by debugger */ 447 #define SIDL 5 /* intermediate state in process creation */ 448 #define SONPROC 6 /* process is being run on a processor */ 449 #define SWAIT 7 /* process is waiting to become runnable */ 450 451 /* p_pidflag codes */ 452 #define CLDPEND 0x0001 /* have yet to post a SIGCHLD to the parent */ 453 #define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */ 454 #define CLDNOSIGCHLD 0x0004 /* do not post SIGCHLD when child terminates */ 455 #define CLDWAITPID 0x0008 /* only waitid(P_PID, pid) can reap the child */ 456 457 /* p_proc_flag codes -- these flags are mostly private to /proc */ 458 #define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */ 459 #define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */ 460 #define P_PR_FORK 0x0004 /* child inherits tracing flags */ 461 #define P_PR_LOCK 0x0008 /* process locked by /proc */ 462 #define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */ 463 #define P_PR_EXEC 0x0020 /* process is in exec() */ 464 #define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */ 465 #define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */ 466 #define P_PR_KILLCL 0x0100 /* kill process on last /proc close */ 467 468 /* 469 * p_flag codes 470 * 471 * note that two of these flags, SMSACCT and SSYS, are exported to /proc's 472 * psinfo_t.p_flag field. Historically, all were, but since they are 473 * implementation dependant, we only export the ones people have come to 474 * rely upon. Hence, the bit positions of SSYS and SMSACCT should not be 475 * altered. 476 */ 477 #define SSYS 0x00000001 /* system (resident) process */ 478 #define SEXITING 0x00000002 /* process is exiting */ 479 #define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */ 480 #define SFORKING 0x00000008 /* tells called functions that we're forking */ 481 #define SWATCHOK 0x00000010 /* proc in acceptable state for watchpoints */ 482 #define SKILLED 0x00000100 /* SIGKILL has been posted to the process */ 483 #define SSCONT 0x00000200 /* SIGCONT has been posted to the process */ 484 #define SZONETOP 0x00000400 /* process has no valid PPID in its zone */ 485 #define SEXTKILLED 0x00000800 /* SKILLED is from another contract */ 486 #define SUGID 0x00002000 /* process was result of set[ug]id exec */ 487 #define SEXECED 0x00004000 /* this process has execed */ 488 #define SJCTL 0x00010000 /* SIGCHLD sent when children stop/continue */ 489 #define SNOWAIT 0x00020000 /* children never become zombies */ 490 #define SVFORK 0x00040000 /* child of vfork that has not yet exec'd */ 491 #define SVFWAIT 0x00080000 /* parent of vfork waiting for child to exec */ 492 #define SEXITLWPS 0x00100000 /* have lwps exit within the process */ 493 #define SHOLDFORK 0x00200000 /* hold lwps where they're cloneable */ 494 #define SHOLDFORK1 0x00800000 /* hold lwps in place (not cloning) */ 495 #define SCOREDUMP 0x01000000 /* process is dumping core */ 496 #define SMSACCT 0x02000000 /* process is keeping micro-state accounting */ 497 #define SLWPWRAP 0x04000000 /* process has wrapped its lwp ids */ 498 #define SAUTOLPG 0x08000000 /* kernel controls page sizes */ 499 #define SNOCD 0x10000000 /* new creds from VSxID, do not coredump */ 500 #define SHOLDWATCH 0x20000000 /* hold lwps for watchpoint operation */ 501 #define SMSFORK 0x40000000 /* child inherits micro-state accounting */ 502 #define SDOCORE 0x80000000 /* process will attempt to dump core */ 503 504 /* 505 * p_poolflag codes 506 * 507 * These flags are used to synchronize with the pool subsystem to allow 508 * re-binding of processes to new pools. 509 */ 510 #define PBWAIT 0x0001 /* process should wait outside fork/exec/exit */ 511 #define PEXITED 0x0002 /* process exited and about to become zombie */ 512 513 /* Macro to convert proc pointer to a user block pointer */ 514 #define PTOU(p) (&(p)->p_user) 515 516 #define tracing(p, sig) (sigismember(&(p)->p_sigmask, sig)) 517 518 /* Macro to reduce unnecessary calls to issig() */ 519 520 #define ISSIG(t, why) ISSIG_FAST(t, ttolwp(t), ttoproc(t), why) 521 522 /* 523 * Fast version of ISSIG. 524 * 1. uses register pointers to lwp and proc instead of reloading them. 525 * 2. uses bit-wise OR of tests, since the usual case is that none of them 526 * are true, this saves orcc's and branches. 527 * 3. load the signal flags instead of using sigisempty() macro which does 528 * a branch to convert to boolean. 529 */ 530 #define ISSIG_FAST(t, lwp, p, why) \ 531 (ISSIG_PENDING(t, lwp, p) && issig(why)) 532 533 #define ISSIG_PENDING(t, lwp, p) \ 534 ((lwp)->lwp_cursig | \ 535 sigcheck((p), (t)) | \ 536 (p)->p_stopsig | \ 537 (t)->t_dtrace_stop | \ 538 (t)->t_dtrace_sig | \ 539 ((t)->t_proc_flag & (TP_PRSTOP|TP_HOLDLWP|TP_CHKPT|TP_PAUSE)) | \ 540 ((p)->p_flag & (SEXITLWPS|SKILLED|SHOLDFORK1|SHOLDWATCH))) 541 542 #define ISSTOP(sig) (u.u_signal[sig-1] == SIG_DFL && \ 543 sigismember(&stopdefault, sig)) 544 545 #define ISHOLD(p) ((p)->p_flag & SHOLDFORK) 546 547 #define MUSTRETURN(p, t) (ISHOLD(p) | (t)->t_activefd.a_stale) 548 549 /* 550 * Determine if there are any watchpoints active in the process. 551 */ 552 #define pr_watch_active(p) (avl_numnodes(&(p)->p_warea) != 0) 553 554 /* Reasons for calling issig() */ 555 556 #define FORREAL 0 /* Usual side-effects */ 557 #define JUSTLOOKING 1 /* Don't stop the process */ 558 559 /* 'what' values for stop(PR_SUSPENDED, what) */ 560 #define SUSPEND_NORMAL 0 561 #define SUSPEND_PAUSE 1 562 563 /* pseudo-flag to lwp_create() */ 564 #define NOCLASS (-1) 565 566 /* unused scheduling class ID */ 567 #define CLASS_UNUSED (-2) 568 569 /* LWP stats updated via lwp_stats_update() */ 570 typedef enum { 571 LWP_STAT_INBLK, 572 LWP_STAT_OUBLK, 573 LWP_STAT_MSGRCV, 574 LWP_STAT_MSGSND 575 } lwp_stat_id_t; 576 577 #ifdef _KERNEL 578 579 /* user profiling functions */ 580 581 extern void profil_tick(uintptr_t); 582 583 /* process management functions */ 584 585 extern int newproc(void (*)(), caddr_t, id_t, int, struct contract **, pid_t); 586 extern void vfwait(pid_t); 587 extern void proc_detach(proc_t *); 588 extern void freeproc(proc_t *); 589 extern void setrun(kthread_t *); 590 extern void setrun_locked(kthread_t *); 591 extern void exit(int, int); 592 extern int proc_exit(int, int); 593 extern void proc_is_exiting(proc_t *); 594 extern void relvm(void); 595 extern void add_ns(proc_t *, proc_t *); 596 extern void delete_ns(proc_t *, proc_t *); 597 extern void upcount_inc(uid_t, zoneid_t); 598 extern void upcount_dec(uid_t, zoneid_t); 599 extern int upcount_get(uid_t, zoneid_t); 600 #if defined(__x86) 601 extern selector_t setup_thrptr(proc_t *, uintptr_t); 602 extern void deferred_singlestep_trap(caddr_t); 603 #endif 604 605 extern void sigcld(proc_t *, sigqueue_t *); 606 extern void sigcld_delete(k_siginfo_t *); 607 extern void sigcld_repost(void); 608 extern int fsig(k_sigset_t *, kthread_t *); 609 extern void psig(void); 610 extern void stop(int, int); 611 extern int stop_on_fault(uint_t, k_siginfo_t *); 612 extern int issig(int); 613 extern int jobstopped(proc_t *); 614 extern void psignal(proc_t *, int); 615 extern void tsignal(kthread_t *, int); 616 extern void sigtoproc(proc_t *, kthread_t *, int); 617 extern void trapsig(k_siginfo_t *, int); 618 extern void realsigprof(int, int, int); 619 extern int eat_signal(kthread_t *, int); 620 extern int signal_is_blocked(kthread_t *, int); 621 extern int sigcheck(proc_t *, kthread_t *); 622 extern void sigdefault(proc_t *); 623 624 extern void pid_setmin(void); 625 extern pid_t pid_allocate(proc_t *, pid_t, int); 626 extern int pid_rele(struct pid *); 627 extern void pid_exit(proc_t *, struct task *); 628 extern void proc_entry_free(struct pid *); 629 extern proc_t *prfind(pid_t); 630 extern proc_t *prfind_zone(pid_t, zoneid_t); 631 extern proc_t *pgfind(pid_t); 632 extern proc_t *pgfind_zone(pid_t, zoneid_t); 633 extern proc_t *sprlock(pid_t); 634 extern proc_t *sprlock_zone(pid_t, zoneid_t); 635 extern int sprtrylock_proc(proc_t *); 636 extern void sprwaitlock_proc(proc_t *); 637 extern void sprlock_proc(proc_t *); 638 extern void sprunlock(proc_t *); 639 extern void pid_init(void); 640 extern proc_t *pid_entry(int); 641 extern int pid_slot(proc_t *); 642 extern void signal(pid_t, int); 643 extern void prsignal(struct pid *, int); 644 extern int uread(proc_t *, void *, size_t, uintptr_t); 645 extern int uwrite(proc_t *, void *, size_t, uintptr_t); 646 647 extern void pgsignal(struct pid *, int); 648 extern void pgjoin(proc_t *, struct pid *); 649 extern void pgcreate(proc_t *); 650 extern void pgexit(proc_t *); 651 extern void pgdetach(proc_t *); 652 extern int pgmembers(pid_t); 653 654 extern void init_mstate(kthread_t *, int); 655 extern int new_mstate(kthread_t *, int); 656 extern void restore_mstate(kthread_t *); 657 extern void term_mstate(kthread_t *); 658 extern void estimate_msacct(kthread_t *, hrtime_t); 659 extern void disable_msacct(proc_t *); 660 extern hrtime_t mstate_aggr_state(proc_t *, int); 661 extern hrtime_t mstate_thread_onproc_time(kthread_t *); 662 extern void mstate_systhread_times(kthread_t *, hrtime_t *, hrtime_t *); 663 extern void syscall_mstate(int, int); 664 665 extern uint_t cpu_update_pct(kthread_t *, hrtime_t); 666 667 extern void set_proc_pre_sys(proc_t *p); 668 extern void set_proc_post_sys(proc_t *p); 669 extern void set_proc_sys(proc_t *p); 670 extern void set_proc_ast(proc_t *p); 671 extern void set_all_proc_sys(void); 672 extern void set_all_zone_usr_proc_sys(zoneid_t); 673 674 /* thread function prototypes */ 675 676 extern kthread_t *thread_create( 677 caddr_t stk, 678 size_t stksize, 679 void (*proc)(), 680 void *arg, 681 size_t len, 682 proc_t *pp, 683 int state, 684 pri_t pri); 685 extern void thread_exit(void) __NORETURN; 686 extern void thread_free(kthread_t *); 687 extern void thread_rele(kthread_t *); 688 extern void thread_join(kt_did_t); 689 extern int reaper(void); 690 extern void installctx(kthread_t *, void *, void (*)(), void (*)(), 691 void (*)(), void (*)(), void (*)(), void (*)()); 692 extern int removectx(kthread_t *, void *, void (*)(), void (*)(), 693 void (*)(), void (*)(), void (*)(), void (*)()); 694 extern void savectx(kthread_t *); 695 extern void restorectx(kthread_t *); 696 extern void forkctx(kthread_t *, kthread_t *); 697 extern void lwp_createctx(kthread_t *, kthread_t *); 698 extern void exitctx(kthread_t *); 699 extern void freectx(kthread_t *, int); 700 extern void installpctx(proc_t *, void *, void (*)(), void (*)(), 701 void (*)(), void (*)(), void (*)()); 702 extern int removepctx(proc_t *, void *, void (*)(), void (*)(), 703 void (*)(), void (*)(), void (*)()); 704 extern void savepctx(proc_t *); 705 extern void restorepctx(proc_t *); 706 extern void forkpctx(proc_t *, proc_t *); 707 extern void exitpctx(proc_t *); 708 extern void freepctx(proc_t *, int); 709 extern kthread_t *thread_unpin(void); 710 extern void thread_init(void); 711 extern void thread_load(kthread_t *, void (*)(), caddr_t, size_t); 712 713 extern void tsd_create(uint_t *, void (*)(void *)); 714 extern void tsd_destroy(uint_t *); 715 extern void *tsd_getcreate(uint_t *, void (*)(void *), void *(*)(void)); 716 extern void *tsd_get(uint_t); 717 extern int tsd_set(uint_t, void *); 718 extern void tsd_exit(void); 719 extern void *tsd_agent_get(kthread_t *, uint_t); 720 extern int tsd_agent_set(kthread_t *, uint_t, void *); 721 722 /* lwp function prototypes */ 723 724 extern kthread_t *lwp_kernel_create(proc_t *, void (*)(), void *, int, pri_t); 725 extern klwp_t *lwp_create( 726 void (*proc)(), 727 caddr_t arg, 728 size_t len, 729 proc_t *p, 730 int state, 731 int pri, 732 const k_sigset_t *smask, 733 int cid, 734 id_t lwpid); 735 extern kthread_t *idtot(proc_t *, id_t); 736 extern void lwp_hash_in(proc_t *, lwpent_t *, tidhash_t *, uint_t, int); 737 extern void lwp_hash_out(proc_t *, id_t); 738 extern lwpdir_t *lwp_hash_lookup(proc_t *, id_t); 739 extern lwpdir_t *lwp_hash_lookup_and_lock(proc_t *, id_t, kmutex_t **); 740 extern void lwp_create_done(kthread_t *); 741 extern void lwp_exit(void); 742 extern void lwp_pcb_exit(void); 743 extern void lwp_cleanup(void); 744 extern int lwp_suspend(kthread_t *); 745 extern void lwp_continue(kthread_t *); 746 extern void holdlwp(void); 747 extern void stoplwp(void); 748 extern int holdlwps(int); 749 extern int holdwatch(void); 750 extern void pokelwps(proc_t *); 751 extern void continuelwps(proc_t *); 752 extern int exitlwps(int); 753 extern void lwp_ctmpl_copy(klwp_t *, klwp_t *); 754 extern void lwp_ctmpl_clear(klwp_t *); 755 extern klwp_t *forklwp(klwp_t *, proc_t *, id_t); 756 extern void lwp_load(klwp_t *, gregset_t, uintptr_t); 757 extern void lwp_setrval(klwp_t *, int, int); 758 extern void lwp_forkregs(klwp_t *, klwp_t *); 759 extern void lwp_freeregs(klwp_t *, int); 760 extern caddr_t lwp_stk_init(klwp_t *, caddr_t); 761 extern void lwp_stk_cache_init(void); 762 extern void lwp_stk_fini(klwp_t *); 763 extern void lwp_installctx(klwp_t *); 764 extern void lwp_rtt(void); 765 extern void lwp_rtt_initial(void); 766 extern int lwp_setprivate(klwp_t *, int, uintptr_t); 767 extern void lwp_stat_update(lwp_stat_id_t, long); 768 extern void lwp_attach_brand_hdlrs(klwp_t *); 769 extern void lwp_detach_brand_hdlrs(klwp_t *); 770 771 #if defined(__sparcv9) 772 extern void lwp_mmodel_newlwp(void); 773 extern void lwp_mmodel_shared_as(caddr_t, size_t); 774 #define LWP_MMODEL_NEWLWP() lwp_mmodel_newlwp() 775 #define LWP_MMODEL_SHARED_AS(addr, sz) lwp_mmodel_shared_as((addr), (sz)) 776 #else 777 #define LWP_MMODEL_NEWLWP() 778 #define LWP_MMODEL_SHARED_AS(addr, sz) 779 #endif 780 781 /* 782 * Signal queue function prototypes. Must be here due to header ordering 783 * dependencies. 784 */ 785 extern void sigqfree(proc_t *); 786 extern void siginfofree(sigqueue_t *); 787 extern void sigdeq(proc_t *, kthread_t *, int, sigqueue_t **); 788 extern void sigdelq(proc_t *, kthread_t *, int); 789 extern void sigaddq(proc_t *, kthread_t *, k_siginfo_t *, int); 790 extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *); 791 extern void sigqsend(int, proc_t *, kthread_t *, sigqueue_t *); 792 extern void sigdupq(proc_t *, proc_t *); 793 extern int sigwillqueue(int, int); 794 extern sigqhdr_t *sigqhdralloc(size_t, uint_t); 795 extern sigqueue_t *sigqalloc(sigqhdr_t *); 796 extern void sigqhdrfree(sigqhdr_t *); 797 extern sigqueue_t *sigappend(k_sigset_t *, sigqueue_t *, 798 k_sigset_t *, sigqueue_t *); 799 extern sigqueue_t *sigprepend(k_sigset_t *, sigqueue_t *, 800 k_sigset_t *, sigqueue_t *); 801 extern void winfo(proc_t *, k_siginfo_t *, int); 802 extern int wstat(int, int); 803 extern int sendsig(int, k_siginfo_t *, void (*)()); 804 #if defined(_SYSCALL32_IMPL) 805 extern int sendsig32(int, k_siginfo_t *, void (*)()); 806 #endif 807 808 #endif /* _KERNEL */ 809 810 #ifdef __cplusplus 811 } 812 #endif 813 814 #endif /* _SYS_PROC_H */ 815