1 0 stevel /* 2 0 stevel * CDDL HEADER START 3 0 stevel * 4 0 stevel * The contents of this file are subject to the terms of the 5 1455 andrei * Common Development and Distribution License (the "License"). 6 1455 andrei * You may not use this file except in compliance with the License. 7 0 stevel * 8 0 stevel * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 0 stevel * or http://www.opensolaris.org/os/licensing. 10 0 stevel * See the License for the specific language governing permissions 11 0 stevel * and limitations under the License. 12 0 stevel * 13 0 stevel * When distributing Covered Code, include this CDDL HEADER in each 14 0 stevel * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 0 stevel * If applicable, add the following below this CDDL HEADER, with the 16 0 stevel * fields enclosed by brackets "[]" replaced with your own identifying 17 0 stevel * information: Portions Copyright [yyyy] [name of copyright owner] 18 0 stevel * 19 0 stevel * CDDL HEADER END 20 0 stevel */ 21 390 raf 22 0 stevel /* 23 9351 Prashanth * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 0 stevel * Use is subject to license terms. 25 0 stevel */ 26 0 stevel 27 0 stevel /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 0 stevel /* All Rights Reserved */ 29 0 stevel 30 0 stevel #ifndef _SYS_PROC_H 31 0 stevel #define _SYS_PROC_H 32 0 stevel 33 0 stevel #include <sys/time.h> 34 0 stevel #include <sys/thread.h> 35 0 stevel #include <sys/cred.h> 36 0 stevel #include <sys/user.h> 37 0 stevel #include <sys/watchpoint.h> 38 0 stevel #include <sys/timer.h> 39 0 stevel #if defined(__x86) 40 0 stevel #include <sys/tss.h> 41 0 stevel #include <sys/segments.h> 42 0 stevel #endif 43 0 stevel #include <sys/utrap.h> 44 0 stevel #include <sys/model.h> 45 0 stevel #include <sys/refstr.h> 46 0 stevel #include <sys/avl.h> 47 0 stevel #include <sys/rctl.h> 48 0 stevel #include <sys/list.h> 49 0 stevel #include <sys/avl.h> 50 0 stevel #include <sys/door_impl.h> 51 0 stevel 52 0 stevel #ifdef __cplusplus 53 0 stevel extern "C" { 54 0 stevel #endif 55 0 stevel 56 0 stevel /* 57 0 stevel * Profile arguments. 58 0 stevel */ 59 0 stevel struct prof { 60 0 stevel void *pr_base; /* buffer base */ 61 0 stevel uintptr_t pr_off; /* pc offset */ 62 0 stevel size_t pr_size; /* buffer size */ 63 0 stevel uint32_t pr_scale; /* pc scaling */ 64 0 stevel long pr_samples; /* sample count */ 65 0 stevel }; 66 0 stevel 67 0 stevel /* 68 0 stevel * An lwp directory entry. 69 0 stevel * If le_thread != NULL, this is an active lwp. 70 0 stevel * If le_thread == NULL, this is an unreaped zombie lwp. 71 0 stevel */ 72 0 stevel typedef struct lwpent { 73 0 stevel kthread_t *le_thread; /* the active lwp, NULL if zombie */ 74 0 stevel id_t le_lwpid; /* its lwpid (t->t_tid) */ 75 0 stevel uint16_t le_waiters; /* total number of lwp_wait()ers */ 76 0 stevel uint16_t le_dwaiters; /* number that are daemons */ 77 0 stevel clock_t le_start; /* start time of this lwp */ 78 0 stevel struct vnode *le_trace; /* pointer to /proc lwp vnode */ 79 0 stevel } lwpent_t; 80 1217 rab 81 1217 rab typedef struct pctxop { 82 1217 rab void (*save_op)(void *); /* function to invoke to save ctx */ 83 1217 rab void (*restore_op)(void *); /* function to invoke to restore ctx */ 84 1217 rab void (*fork_op)(void *, void *); /* invoke to fork context */ 85 1217 rab void (*exit_op)(void *); /* invoked during process exit */ 86 1217 rab void (*free_op)(void *, int); /* function which frees the context */ 87 1217 rab void *arg; /* argument to above functions */ 88 1217 rab struct pctxop *next; /* next pcontext ops */ 89 1217 rab } pctxop_t; 90 0 stevel 91 0 stevel /* 92 0 stevel * Elements of the lwp directory, p->p_lwpdir[]. 93 0 stevel * 94 0 stevel * We allocate lwp directory entries separately from lwp directory 95 0 stevel * elements because the lwp directory must be allocated as an array. 96 0 stevel * The number of lwps can grow quite large and we want to keep the 97 0 stevel * size of the kmem_alloc()d directory as small as possible. 98 0 stevel * 99 0 stevel * If ld_entry == NULL, the entry is free and is on the free list, 100 0 stevel * p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the 101 0 stevel * entry is used and ld_next is the thread-id hash link pointer. 102 0 stevel */ 103 0 stevel typedef struct lwpdir { 104 0 stevel struct lwpdir *ld_next; /* hash chain or free list */ 105 0 stevel struct lwpent *ld_entry; /* lwp directory entry */ 106 0 stevel } lwpdir_t; 107 9393 Roger 108 9393 Roger /* 109 9393 Roger * Element of the p_tidhash thread-id (lwpid) hash table. 110 9393 Roger */ 111 9393 Roger typedef struct tidhash { 112 9393 Roger kmutex_t th_lock; 113 9393 Roger lwpdir_t *th_list; 114 9393 Roger } tidhash_t; 115 9393 Roger 116 9393 Roger /* 117 9393 Roger * Retired tidhash hash tables. 118 9393 Roger */ 119 9393 Roger typedef struct ret_tidhash { 120 9393 Roger struct ret_tidhash *rth_next; 121 9393 Roger tidhash_t *rth_tidhash; 122 9393 Roger uint_t rth_tidhash_sz; 123 9393 Roger } ret_tidhash_t; 124 0 stevel 125 0 stevel struct pool; 126 0 stevel struct task; 127 0 stevel struct zone; 128 2712 nn35248 struct brand; 129 0 stevel struct corectl_path; 130 0 stevel struct corectl_content; 131 0 stevel 132 0 stevel /* 133 0 stevel * One structure allocated per active process. It contains all 134 0 stevel * data needed about the process while the process may be swapped 135 0 stevel * out. Other per-process data (user.h) is also inside the proc structure. 136 0 stevel * Lightweight-process data (lwp.h) and the kernel stack may be swapped out. 137 0 stevel */ 138 0 stevel typedef struct proc { 139 0 stevel /* 140 0 stevel * Fields requiring no explicit locking 141 0 stevel */ 142 0 stevel struct vnode *p_exec; /* pointer to a.out vnode */ 143 0 stevel struct as *p_as; /* process address space pointer */ 144 0 stevel struct plock *p_lockp; /* ptr to proc struct's mutex lock */ 145 0 stevel kmutex_t p_crlock; /* lock for p_cred */ 146 0 stevel struct cred *p_cred; /* process credentials */ 147 0 stevel /* 148 0 stevel * Fields protected by pidlock 149 0 stevel */ 150 0 stevel int p_swapcnt; /* number of swapped out lwps */ 151 0 stevel char p_stat; /* status of process */ 152 0 stevel char p_wcode; /* current wait code */ 153 0 stevel ushort_t p_pidflag; /* flags protected only by pidlock */ 154 0 stevel int p_wdata; /* current wait return value */ 155 0 stevel pid_t p_ppid; /* process id of parent */ 156 0 stevel struct proc *p_link; /* forward link */ 157 0 stevel struct proc *p_parent; /* ptr to parent process */ 158 0 stevel struct proc *p_child; /* ptr to first child process */ 159 0 stevel struct proc *p_sibling; /* ptr to next sibling proc on chain */ 160 0 stevel struct proc *p_psibling; /* ptr to prev sibling proc on chain */ 161 0 stevel struct proc *p_sibling_ns; /* prt to siblings with new state */ 162 0 stevel struct proc *p_child_ns; /* prt to children with new state */ 163 0 stevel struct proc *p_next; /* active chain link next */ 164 0 stevel struct proc *p_prev; /* active chain link prev */ 165 0 stevel struct proc *p_nextofkin; /* gets accounting info at exit */ 166 0 stevel struct proc *p_orphan; 167 0 stevel struct proc *p_nextorph; 168 0 stevel struct proc *p_pglink; /* process group hash chain link next */ 169 0 stevel struct proc *p_ppglink; /* process group hash chain link prev */ 170 0 stevel struct sess *p_sessp; /* session information */ 171 0 stevel struct pid *p_pidp; /* process ID info */ 172 0 stevel struct pid *p_pgidp; /* process group ID info */ 173 0 stevel /* 174 0 stevel * Fields protected by p_lock 175 0 stevel */ 176 0 stevel kcondvar_t p_cv; /* proc struct's condition variable */ 177 0 stevel kcondvar_t p_flag_cv; 178 0 stevel kcondvar_t p_lwpexit; /* waiting for some lwp to exit */ 179 0 stevel kcondvar_t p_holdlwps; /* process is waiting for its lwps */ 180 0 stevel /* to to be held. */ 181 0 stevel uint_t p_proc_flag; /* /proc-related flags */ 182 0 stevel uint_t p_flag; /* protected while set. */ 183 0 stevel /* flags defined below */ 184 0 stevel clock_t p_utime; /* user time, this process */ 185 0 stevel clock_t p_stime; /* system time, this process */ 186 0 stevel clock_t p_cutime; /* sum of children's user time */ 187 0 stevel clock_t p_cstime; /* sum of children's system time */ 188 0 stevel avl_tree_t *p_segacct; /* System V shared segment list */ 189 0 stevel avl_tree_t *p_semacct; /* System V semaphore undo list */ 190 0 stevel caddr_t p_bssbase; /* base addr of last bss below heap */ 191 0 stevel caddr_t p_brkbase; /* base addr of heap */ 192 0 stevel size_t p_brksize; /* heap size in bytes */ 193 0 stevel uint_t p_brkpageszc; /* preferred heap max page size code */ 194 0 stevel /* 195 0 stevel * Per process signal stuff. 196 0 stevel */ 197 0 stevel k_sigset_t p_sig; /* signals pending to this process */ 198 0 stevel k_sigset_t p_extsig; /* signals sent from another contract */ 199 0 stevel k_sigset_t p_ignore; /* ignore when generated */ 200 0 stevel k_sigset_t p_siginfo; /* gets signal info with signal */ 201 0 stevel struct sigqueue *p_sigqueue; /* queued siginfo structures */ 202 0 stevel struct sigqhdr *p_sigqhdr; /* hdr to sigqueue structure pool */ 203 0 stevel struct sigqhdr *p_signhdr; /* hdr to signotify structure pool */ 204 0 stevel uchar_t p_stopsig; /* jobcontrol stop signal */ 205 0 stevel 206 0 stevel /* 207 0 stevel * Special per-process flag when set will fix misaligned memory 208 0 stevel * references. 209 0 stevel */ 210 0 stevel char p_fixalignment; 211 0 stevel 212 0 stevel /* 213 0 stevel * Per process lwp and kernel thread stuff 214 0 stevel */ 215 0 stevel id_t p_lwpid; /* most recently allocated lwpid */ 216 0 stevel int p_lwpcnt; /* number of lwps in this process */ 217 0 stevel int p_lwprcnt; /* number of not stopped lwps */ 218 0 stevel int p_lwpdaemon; /* number of TP_DAEMON lwps */ 219 0 stevel int p_lwpwait; /* number of lwps in lwp_wait() */ 220 0 stevel int p_lwpdwait; /* number of daemons in lwp_wait() */ 221 0 stevel int p_zombcnt; /* number of zombie lwps */ 222 0 stevel kthread_t *p_tlist; /* circular list of threads */ 223 0 stevel lwpdir_t *p_lwpdir; /* thread (lwp) directory */ 224 0 stevel lwpdir_t *p_lwpfree; /* p_lwpdir free list */ 225 9393 Roger tidhash_t *p_tidhash; /* tid (lwpid) lookup hash table */ 226 0 stevel uint_t p_lwpdir_sz; /* number of p_lwpdir[] entries */ 227 0 stevel uint_t p_tidhash_sz; /* number of p_tidhash[] entries */ 228 9393 Roger ret_tidhash_t *p_ret_tidhash; /* retired tidhash hash tables */ 229 0 stevel uint64_t p_lgrpset; /* unprotected hint of set of lgrps */ 230 0 stevel /* on which process has threads */ 231 4426 aguzovsk volatile lgrp_id_t p_t1_lgrpid; /* main's thread lgroup id */ 232 4426 aguzovsk volatile lgrp_id_t p_tr_lgrpid; /* text replica's lgroup id */ 233 4426 aguzovsk #if defined(_LP64) 234 4426 aguzovsk uintptr_t p_lgrpres2; /* reserved for lgrp migration */ 235 4426 aguzovsk #endif 236 0 stevel /* 237 0 stevel * /proc (process filesystem) debugger interface stuff. 238 0 stevel */ 239 0 stevel k_sigset_t p_sigmask; /* mask of traced signals (/proc) */ 240 0 stevel k_fltset_t p_fltmask; /* mask of traced faults (/proc) */ 241 0 stevel struct vnode *p_trace; /* pointer to primary /proc vnode */ 242 0 stevel struct vnode *p_plist; /* list of /proc vnodes for process */ 243 0 stevel kthread_t *p_agenttp; /* thread ptr for /proc agent lwp */ 244 0 stevel avl_tree_t p_warea; /* list of watched areas */ 245 0 stevel avl_tree_t p_wpage; /* remembered watched pages (vfork) */ 246 0 stevel watched_page_t *p_wprot; /* pages that need to have prot set */ 247 0 stevel int p_mapcnt; /* number of active pr_mappage()s */ 248 0 stevel kmutex_t p_maplock; /* lock for pr_mappage() */ 249 0 stevel struct proc *p_rlink; /* linked list for server */ 250 0 stevel kcondvar_t p_srwchan_cv; 251 0 stevel size_t p_stksize; /* process stack size in bytes */ 252 0 stevel uint_t p_stkpageszc; /* preferred stack max page size code */ 253 0 stevel 254 0 stevel /* 255 0 stevel * Microstate accounting, resource usage, and real-time profiling 256 0 stevel */ 257 0 stevel hrtime_t p_mstart; /* hi-res process start time */ 258 0 stevel hrtime_t p_mterm; /* hi-res process termination time */ 259 0 stevel hrtime_t p_mlreal; /* elapsed time sum over defunct lwps */ 260 0 stevel hrtime_t p_acct[NMSTATES]; /* microstate sum over defunct lwps */ 261 0 stevel hrtime_t p_cacct[NMSTATES]; /* microstate sum over child procs */ 262 0 stevel struct lrusage p_ru; /* lrusage sum over defunct lwps */ 263 0 stevel struct lrusage p_cru; /* lrusage sum over child procs */ 264 0 stevel struct itimerval p_rprof_timer; /* ITIMER_REALPROF interval timer */ 265 0 stevel uintptr_t p_rprof_cyclic; /* ITIMER_REALPROF cyclic */ 266 0 stevel uint_t p_defunct; /* number of defunct lwps */ 267 0 stevel /* 268 0 stevel * profiling. A lock is used in the event of multiple lwp's 269 0 stevel * using the same profiling base/size. 270 0 stevel */ 271 0 stevel kmutex_t p_pflock; /* protects user profile arguments */ 272 0 stevel struct prof p_prof; /* profile arguments */ 273 0 stevel 274 0 stevel /* 275 0 stevel * The user structure 276 0 stevel */ 277 0 stevel struct user p_user; /* (see sys/user.h) */ 278 0 stevel 279 0 stevel /* 280 0 stevel * Doors. 281 0 stevel */ 282 0 stevel door_pool_t p_server_threads; /* common thread pool */ 283 0 stevel struct door_node *p_door_list; /* active doors */ 284 0 stevel struct door_node *p_unref_list; 285 0 stevel kcondvar_t p_unref_cv; 286 0 stevel char p_unref_thread; /* unref thread created */ 287 0 stevel 288 0 stevel /* 289 0 stevel * Kernel probes 290 0 stevel */ 291 0 stevel uchar_t p_tnf_flags; 292 0 stevel 293 0 stevel /* 294 5753 gww * Solaris Audit 295 0 stevel */ 296 0 stevel struct p_audit_data *p_audit_data; /* per process audit structure */ 297 1217 rab 298 1217 rab pctxop_t *p_pctx; 299 1217 rab 300 0 stevel #if defined(__x86) 301 0 stevel /* 302 0 stevel * LDT support. 303 0 stevel */ 304 0 stevel kmutex_t p_ldtlock; /* protects the following fields */ 305 0 stevel user_desc_t *p_ldt; /* Pointer to private LDT */ 306 0 stevel system_desc_t p_ldt_desc; /* segment descriptor for private LDT */ 307 0 stevel ushort_t p_ldtlimit; /* highest selector used */ 308 0 stevel #endif 309 0 stevel size_t p_swrss; /* resident set size before last swap */ 310 0 stevel struct aio *p_aio; /* pointer to async I/O struct */ 311 0 stevel struct itimer **p_itimer; /* interval timers */ 312 0 stevel timeout_id_t p_alarmid; /* alarm's timeout id */ 313 0 stevel caddr_t p_usrstack; /* top of the process stack */ 314 0 stevel uint_t p_stkprot; /* stack memory protection */ 315 0 stevel uint_t p_datprot; /* data memory protection */ 316 0 stevel model_t p_model; /* data model determined at exec time */ 317 0 stevel struct lwpchan_data *p_lcp; /* lwpchan cache */ 318 0 stevel kmutex_t p_lcp_lock; /* protects assignments to p_lcp */ 319 0 stevel utrap_handler_t *p_utraps; /* pointer to user trap handlers */ 320 0 stevel struct corectl_path *p_corefile; /* pattern for core file */ 321 0 stevel struct task *p_task; /* our containing task */ 322 0 stevel struct proc *p_taskprev; /* ptr to previous process in task */ 323 0 stevel struct proc *p_tasknext; /* ptr to next process in task */ 324 0 stevel kmutex_t p_sc_lock; /* protects p_pagep */ 325 0 stevel struct sc_page_ctl *p_pagep; /* list of process's shared pages */ 326 0 stevel struct rctl_set *p_rctls; /* resource controls for this process */ 327 0 stevel rlim64_t p_stk_ctl; /* currently enforced stack size */ 328 0 stevel rlim64_t p_fsz_ctl; /* currently enforced file size */ 329 0 stevel rlim64_t p_vmem_ctl; /* currently enforced addr-space size */ 330 0 stevel rlim64_t p_fno_ctl; /* currently enforced file-desc limit */ 331 0 stevel pid_t p_ancpid; /* ancestor pid, used by exacct */ 332 0 stevel struct itimerval p_realitimer; /* real interval timer */ 333 0 stevel timeout_id_t p_itimerid; /* real interval timer's timeout id */ 334 0 stevel struct corectl_content *p_content; /* content of core file */ 335 0 stevel 336 0 stevel avl_tree_t p_ct_held; /* held contracts */ 337 0 stevel struct ct_equeue **p_ct_equeue; /* process-type event queues */ 338 0 stevel 339 0 stevel struct cont_process *p_ct_process; /* process contract */ 340 0 stevel list_node_t p_ct_member; /* process contract membership */ 341 0 stevel sigqueue_t *p_killsqp; /* sigqueue pointer for SIGKILL */ 342 0 stevel 343 0 stevel int p_dtrace_probes; /* are there probes for this proc? */ 344 0 stevel uint64_t p_dtrace_count; /* number of DTrace tracepoints */ 345 0 stevel /* (protected by P_PR_LOCK) */ 346 0 stevel void *p_dtrace_helpers; /* DTrace helpers, if any */ 347 0 stevel struct pool *p_pool; /* pointer to containing pool */ 348 0 stevel kcondvar_t p_poolcv; /* synchronization with pools */ 349 0 stevel uint_t p_poolcnt; /* # threads inside pool barrier */ 350 0 stevel uint_t p_poolflag; /* pool-related flags (see below) */ 351 0 stevel uintptr_t p_portcnt; /* event ports counter */ 352 0 stevel struct zone *p_zone; /* zone in which process lives */ 353 0 stevel struct vnode *p_execdir; /* directory that p_exec came from */ 354 2712 nn35248 struct brand *p_brand; /* process's brand */ 355 2712 nn35248 void *p_brand_data; /* per-process brand state */ 356 2712 nn35248 357 2712 nn35248 /* additional lock to protect p_sessp (but not its contents) */ 358 2712 nn35248 kmutex_t p_splock; 359 2768 sl108498 rctl_qty_t p_locked_mem; /* locked memory charged to proc */ 360 3916 krishna /* protected by p_lock */ 361 3916 krishna rctl_qty_t p_crypto_mem; /* /dev/crypto memory charged to proc */ 362 2768 sl108498 /* protected by p_lock */ 363 5788 mv143129 clock_t p_ttime; /* buffered task time */ 364 0 stevel } proc_t; 365 0 stevel 366 0 stevel #define PROC_T /* headers relying on proc_t are OK */ 367 0 stevel 368 0 stevel #ifdef _KERNEL 369 0 stevel 370 0 stevel /* active process chain */ 371 0 stevel 372 0 stevel extern proc_t *practive; 373 0 stevel 374 0 stevel /* Well known processes */ 375 0 stevel 376 0 stevel extern proc_t *proc_sched; /* memory scheduler */ 377 0 stevel extern proc_t *proc_init; /* init */ 378 0 stevel extern proc_t *proc_pageout; /* pageout daemon */ 379 0 stevel extern proc_t *proc_fsflush; /* filesystem sync-er */ 380 0 stevel 381 0 stevel #endif /* _KERNEL */ 382 0 stevel 383 0 stevel /* 384 0 stevel * Stuff to keep track of the number of processes each uid has. 385 0 stevel * It is tracked on a per-zone basis; that is, if users in different 386 0 stevel * zones have the same uid, they are tracked separately. 387 0 stevel * 388 0 stevel * A structure is allocated when a new <uid,zoneid> pair shows up 389 0 stevel * There is a hash to find each structure. 390 0 stevel */ 391 0 stevel struct upcount { 392 0 stevel struct upcount *up_next; 393 0 stevel uid_t up_uid; 394 0 stevel zoneid_t up_zoneid; 395 0 stevel uint_t up_count; 396 0 stevel }; 397 0 stevel 398 0 stevel /* process ID info */ 399 0 stevel 400 0 stevel struct pid { 401 0 stevel unsigned int pid_prinactive :1; 402 0 stevel unsigned int pid_pgorphaned :1; 403 0 stevel unsigned int pid_padding :6; /* used to be pid_ref, now an int */ 404 0 stevel unsigned int pid_prslot :24; 405 0 stevel pid_t pid_id; 406 0 stevel struct proc *pid_pglink; 407 749 susans struct proc *pid_pgtail; 408 0 stevel struct pid *pid_link; 409 0 stevel uint_t pid_ref; 410 0 stevel }; 411 0 stevel 412 0 stevel #define p_pgrp p_pgidp->pid_id 413 0 stevel #define p_pid p_pidp->pid_id 414 0 stevel #define p_slot p_pidp->pid_prslot 415 0 stevel #define p_detached p_pgidp->pid_pgorphaned 416 0 stevel 417 0 stevel #define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 418 0 stevel ++(pidp)->pid_ref; 419 0 stevel #define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \ 420 0 stevel (pidp)->pid_ref > 1 ? \ 421 0 stevel --(pidp)->pid_ref : pid_rele(pidp); 422 0 stevel 423 0 stevel /* 424 0 stevel * Structure containing persistent process lock. The structure and 425 0 stevel * macro allow "mutex_enter(&p->p_lock)" to continue working. 426 0 stevel */ 427 0 stevel struct plock { 428 0 stevel kmutex_t pl_lock; 429 0 stevel }; 430 0 stevel #define p_lock p_lockp->pl_lock 431 0 stevel 432 0 stevel #ifdef _KERNEL 433 0 stevel extern proc_t p0; /* process 0 */ 434 0 stevel extern struct plock p0lock; /* p0's plock */ 435 0 stevel extern struct pid pid0; /* p0's pid */ 436 2712 nn35248 437 2712 nn35248 /* pid_allocate() flags */ 438 2712 nn35248 #define PID_ALLOC_PROC 0x0001 /* assign a /proc slot as well */ 439 2712 nn35248 440 0 stevel #endif /* _KERNEL */ 441 0 stevel 442 0 stevel /* stat codes */ 443 0 stevel 444 0 stevel #define SSLEEP 1 /* awaiting an event */ 445 3792 akolb #define SRUN 2 /* runnable */ 446 0 stevel #define SZOMB 3 /* process terminated but not waited for */ 447 0 stevel #define SSTOP 4 /* process stopped by debugger */ 448 0 stevel #define SIDL 5 /* intermediate state in process creation */ 449 0 stevel #define SONPROC 6 /* process is being run on a processor */ 450 3792 akolb #define SWAIT 7 /* process is waiting to become runnable */ 451 0 stevel 452 0 stevel /* p_pidflag codes */ 453 3235 raf #define CLDPEND 0x0001 /* have yet to post a SIGCHLD to the parent */ 454 3235 raf #define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */ 455 3235 raf #define CLDNOSIGCHLD 0x0004 /* do not post SIGCHLD when child terminates */ 456 3235 raf #define CLDWAITPID 0x0008 /* only waitid(P_PID, pid) can reap the child */ 457 0 stevel 458 0 stevel /* p_proc_flag codes -- these flags are mostly private to /proc */ 459 0 stevel #define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */ 460 0 stevel #define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */ 461 0 stevel #define P_PR_FORK 0x0004 /* child inherits tracing flags */ 462 0 stevel #define P_PR_LOCK 0x0008 /* process locked by /proc */ 463 0 stevel #define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */ 464 0 stevel #define P_PR_EXEC 0x0020 /* process is in exec() */ 465 0 stevel #define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */ 466 0 stevel #define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */ 467 0 stevel #define P_PR_KILLCL 0x0100 /* kill process on last /proc close */ 468 0 stevel 469 0 stevel /* 470 0 stevel * p_flag codes 471 0 stevel * 472 0 stevel * note that two of these flags, SMSACCT and SSYS, are exported to /proc's 473 0 stevel * psinfo_t.p_flag field. Historically, all were, but since they are 474 0 stevel * implementation dependant, we only export the ones people have come to 475 0 stevel * rely upon. Hence, the bit positions of SSYS and SMSACCT should not be 476 0 stevel * altered. 477 0 stevel */ 478 0 stevel #define SSYS 0x00000001 /* system (resident) process */ 479 390 raf #define SEXITING 0x00000002 /* process is exiting */ 480 0 stevel #define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */ 481 1880 ahl #define SFORKING 0x00000008 /* tells called functions that we're forking */ 482 0 stevel #define SWATCHOK 0x00000010 /* proc in acceptable state for watchpoints */ 483 0 stevel #define SKILLED 0x00000100 /* SIGKILL has been posted to the process */ 484 0 stevel #define SSCONT 0x00000200 /* SIGCONT has been posted to the process */ 485 0 stevel #define SZONETOP 0x00000400 /* process has no valid PPID in its zone */ 486 0 stevel #define SEXTKILLED 0x00000800 /* SKILLED is from another contract */ 487 0 stevel #define SUGID 0x00002000 /* process was result of set[ug]id exec */ 488 0 stevel #define SEXECED 0x00004000 /* this process has execed */ 489 3235 raf #define SJCTL 0x00010000 /* SIGCHLD sent when children stop/continue */ 490 0 stevel #define SNOWAIT 0x00020000 /* children never become zombies */ 491 0 stevel #define SVFORK 0x00040000 /* child of vfork that has not yet exec'd */ 492 0 stevel #define SVFWAIT 0x00080000 /* parent of vfork waiting for child to exec */ 493 0 stevel #define SEXITLWPS 0x00100000 /* have lwps exit within the process */ 494 0 stevel #define SHOLDFORK 0x00200000 /* hold lwps where they're cloneable */ 495 0 stevel #define SHOLDFORK1 0x00800000 /* hold lwps in place (not cloning) */ 496 0 stevel #define SCOREDUMP 0x01000000 /* process is dumping core */ 497 0 stevel #define SMSACCT 0x02000000 /* process is keeping micro-state accounting */ 498 0 stevel #define SLWPWRAP 0x04000000 /* process has wrapped its lwp ids */ 499 0 stevel #define SAUTOLPG 0x08000000 /* kernel controls page sizes */ 500 0 stevel #define SNOCD 0x10000000 /* new creds from VSxID, do not coredump */ 501 0 stevel #define SHOLDWATCH 0x20000000 /* hold lwps for watchpoint operation */ 502 0 stevel #define SMSFORK 0x40000000 /* child inherits micro-state accounting */ 503 0 stevel #define SDOCORE 0x80000000 /* process will attempt to dump core */ 504 0 stevel 505 0 stevel /* 506 0 stevel * p_poolflag codes 507 0 stevel * 508 0 stevel * These flags are used to synchronize with the pool subsystem to allow 509 0 stevel * re-binding of processes to new pools. 510 0 stevel */ 511 2768 sl108498 #define PBWAIT 0x0001 /* process should wait outside fork/exec/exit */ 512 2768 sl108498 #define PEXITED 0x0002 /* process exited and about to become zombie */ 513 0 stevel 514 0 stevel /* Macro to convert proc pointer to a user block pointer */ 515 0 stevel #define PTOU(p) (&(p)->p_user) 516 0 stevel 517 0 stevel #define tracing(p, sig) (sigismember(&(p)->p_sigmask, sig)) 518 0 stevel 519 0 stevel /* Macro to reduce unnecessary calls to issig() */ 520 0 stevel 521 0 stevel #define ISSIG(t, why) ISSIG_FAST(t, ttolwp(t), ttoproc(t), why) 522 0 stevel 523 0 stevel /* 524 0 stevel * Fast version of ISSIG. 525 0 stevel * 1. uses register pointers to lwp and proc instead of reloading them. 526 0 stevel * 2. uses bit-wise OR of tests, since the usual case is that none of them 527 0 stevel * are true, this saves orcc's and branches. 528 0 stevel * 3. load the signal flags instead of using sigisempty() macro which does 529 0 stevel * a branch to convert to boolean. 530 0 stevel */ 531 0 stevel #define ISSIG_FAST(t, lwp, p, why) \ 532 0 stevel (ISSIG_PENDING(t, lwp, p) && issig(why)) 533 0 stevel 534 0 stevel #define ISSIG_PENDING(t, lwp, p) \ 535 0 stevel ((lwp)->lwp_cursig | \ 536 0 stevel sigcheck((p), (t)) | \ 537 0 stevel (p)->p_stopsig | \ 538 0 stevel (t)->t_dtrace_stop | \ 539 0 stevel (t)->t_dtrace_sig | \ 540 0 stevel ((t)->t_proc_flag & (TP_PRSTOP|TP_HOLDLWP|TP_CHKPT|TP_PAUSE)) | \ 541 0 stevel ((p)->p_flag & (SEXITLWPS|SKILLED|SHOLDFORK1|SHOLDWATCH))) 542 0 stevel 543 0 stevel #define ISSTOP(sig) (u.u_signal[sig-1] == SIG_DFL && \ 544 0 stevel sigismember(&stopdefault, sig)) 545 0 stevel 546 0 stevel #define ISHOLD(p) ((p)->p_flag & SHOLDFORK) 547 0 stevel 548 0 stevel #define MUSTRETURN(p, t) (ISHOLD(p) | (t)->t_activefd.a_stale) 549 0 stevel 550 0 stevel /* 551 0 stevel * Determine if there are any watchpoints active in the process. 552 0 stevel */ 553 0 stevel #define pr_watch_active(p) (avl_numnodes(&(p)->p_warea) != 0) 554 0 stevel 555 0 stevel /* Reasons for calling issig() */ 556 0 stevel 557 0 stevel #define FORREAL 0 /* Usual side-effects */ 558 0 stevel #define JUSTLOOKING 1 /* Don't stop the process */ 559 0 stevel 560 0 stevel /* 'what' values for stop(PR_SUSPENDED, what) */ 561 0 stevel #define SUSPEND_NORMAL 0 562 0 stevel #define SUSPEND_PAUSE 1 563 0 stevel 564 0 stevel /* pseudo-flag to lwp_create() */ 565 0 stevel #define NOCLASS (-1) 566 0 stevel 567 11173 Jonathan /* unused scheduling class ID */ 568 11173 Jonathan #define CLASS_UNUSED (-2) 569 11173 Jonathan 570 0 stevel /* LWP stats updated via lwp_stats_update() */ 571 0 stevel typedef enum { 572 0 stevel LWP_STAT_INBLK, 573 0 stevel LWP_STAT_OUBLK, 574 0 stevel LWP_STAT_MSGRCV, 575 0 stevel LWP_STAT_MSGSND 576 0 stevel } lwp_stat_id_t; 577 0 stevel 578 0 stevel #ifdef _KERNEL 579 0 stevel 580 0 stevel /* user profiling functions */ 581 0 stevel 582 0 stevel extern void profil_tick(uintptr_t); 583 0 stevel 584 0 stevel /* process management functions */ 585 0 stevel 586 11173 Jonathan extern int newproc(void (*)(), caddr_t, id_t, int, struct contract **, pid_t); 587 0 stevel extern void vfwait(pid_t); 588 0 stevel extern void proc_detach(proc_t *); 589 0 stevel extern void freeproc(proc_t *); 590 0 stevel extern void setrun(kthread_t *); 591 0 stevel extern void setrun_locked(kthread_t *); 592 0 stevel extern void exit(int, int); 593 0 stevel extern int proc_exit(int, int); 594 390 raf extern void proc_is_exiting(proc_t *); 595 0 stevel extern void relvm(void); 596 0 stevel extern void add_ns(proc_t *, proc_t *); 597 0 stevel extern void delete_ns(proc_t *, proc_t *); 598 0 stevel extern void upcount_inc(uid_t, zoneid_t); 599 0 stevel extern void upcount_dec(uid_t, zoneid_t); 600 0 stevel extern int upcount_get(uid_t, zoneid_t); 601 0 stevel #if defined(__x86) 602 0 stevel extern selector_t setup_thrptr(proc_t *, uintptr_t); 603 2086 sudheer extern void deferred_singlestep_trap(caddr_t); 604 0 stevel #endif 605 0 stevel 606 0 stevel extern void sigcld(proc_t *, sigqueue_t *); 607 0 stevel extern void sigcld_delete(k_siginfo_t *); 608 0 stevel extern void sigcld_repost(void); 609 0 stevel extern int fsig(k_sigset_t *, kthread_t *); 610 0 stevel extern void psig(void); 611 0 stevel extern void stop(int, int); 612 0 stevel extern int stop_on_fault(uint_t, k_siginfo_t *); 613 0 stevel extern int issig(int); 614 0 stevel extern int jobstopped(proc_t *); 615 0 stevel extern void psignal(proc_t *, int); 616 0 stevel extern void tsignal(kthread_t *, int); 617 0 stevel extern void sigtoproc(proc_t *, kthread_t *, int); 618 0 stevel extern void trapsig(k_siginfo_t *, int); 619 9870 Roger extern void realsigprof(int, int, int); 620 0 stevel extern int eat_signal(kthread_t *, int); 621 0 stevel extern int signal_is_blocked(kthread_t *, int); 622 0 stevel extern int sigcheck(proc_t *, kthread_t *); 623 0 stevel extern void sigdefault(proc_t *); 624 0 stevel 625 0 stevel extern void pid_setmin(void); 626 11173 Jonathan extern pid_t pid_allocate(proc_t *, pid_t, int); 627 2712 nn35248 extern struct pid *pid_find(pid_t); 628 0 stevel extern int pid_rele(struct pid *); 629 0 stevel extern void pid_exit(proc_t *); 630 0 stevel extern void proc_entry_free(struct pid *); 631 0 stevel extern proc_t *prfind(pid_t); 632 0 stevel extern proc_t *prfind_zone(pid_t, zoneid_t); 633 0 stevel extern proc_t *pgfind(pid_t); 634 0 stevel extern proc_t *pgfind_zone(pid_t, zoneid_t); 635 0 stevel extern proc_t *sprlock(pid_t); 636 0 stevel extern proc_t *sprlock_zone(pid_t, zoneid_t); 637 3247 gjelinek extern int sprtrylock_proc(proc_t *); 638 3247 gjelinek extern void sprwaitlock_proc(proc_t *); 639 0 stevel extern void sprlock_proc(proc_t *); 640 0 stevel extern void sprunlock(proc_t *); 641 0 stevel extern void pid_init(void); 642 0 stevel extern proc_t *pid_entry(int); 643 0 stevel extern int pid_slot(proc_t *); 644 0 stevel extern void signal(pid_t, int); 645 0 stevel extern void prsignal(struct pid *, int); 646 0 stevel extern int uread(proc_t *, void *, size_t, uintptr_t); 647 0 stevel extern int uwrite(proc_t *, void *, size_t, uintptr_t); 648 0 stevel 649 0 stevel extern void pgsignal(struct pid *, int); 650 0 stevel extern void pgjoin(proc_t *, struct pid *); 651 0 stevel extern void pgcreate(proc_t *); 652 0 stevel extern void pgexit(proc_t *); 653 0 stevel extern void pgdetach(proc_t *); 654 0 stevel extern int pgmembers(pid_t); 655 0 stevel 656 0 stevel extern void init_mstate(kthread_t *, int); 657 0 stevel extern int new_mstate(kthread_t *, int); 658 0 stevel extern void restore_mstate(kthread_t *); 659 0 stevel extern void term_mstate(kthread_t *); 660 0 stevel extern void estimate_msacct(kthread_t *, hrtime_t); 661 0 stevel extern void disable_msacct(proc_t *); 662 0 stevel extern hrtime_t mstate_aggr_state(proc_t *, int); 663 3792 akolb extern hrtime_t mstate_thread_onproc_time(kthread_t *); 664 11173 Jonathan extern void mstate_systhread_times(kthread_t *, hrtime_t *, hrtime_t *); 665 0 stevel extern void syscall_mstate(int, int); 666 0 stevel 667 0 stevel extern uint_t cpu_update_pct(kthread_t *, hrtime_t); 668 0 stevel 669 0 stevel extern void set_proc_pre_sys(proc_t *p); 670 0 stevel extern void set_proc_post_sys(proc_t *p); 671 0 stevel extern void set_proc_sys(proc_t *p); 672 0 stevel extern void set_proc_ast(proc_t *p); 673 0 stevel extern void set_all_proc_sys(void); 674 0 stevel 675 0 stevel /* thread function prototypes */ 676 0 stevel 677 0 stevel extern kthread_t *thread_create( 678 0 stevel caddr_t stk, 679 0 stevel size_t stksize, 680 0 stevel void (*proc)(), 681 0 stevel void *arg, 682 0 stevel size_t len, 683 0 stevel proc_t *pp, 684 0 stevel int state, 685 0 stevel pri_t pri); 686 0 stevel extern void thread_exit(void) __NORETURN; 687 0 stevel extern void thread_free(kthread_t *); 688 0 stevel extern void thread_rele(kthread_t *); 689 0 stevel extern void thread_join(kt_did_t); 690 0 stevel extern int reaper(void); 691 0 stevel extern void installctx(kthread_t *, void *, void (*)(), void (*)(), 692 0 stevel void (*)(), void (*)(), void (*)(), void (*)()); 693 0 stevel extern int removectx(kthread_t *, void *, void (*)(), void (*)(), 694 0 stevel void (*)(), void (*)(), void (*)(), void (*)()); 695 0 stevel extern void savectx(kthread_t *); 696 0 stevel extern void restorectx(kthread_t *); 697 0 stevel extern void forkctx(kthread_t *, kthread_t *); 698 0 stevel extern void lwp_createctx(kthread_t *, kthread_t *); 699 0 stevel extern void exitctx(kthread_t *); 700 0 stevel extern void freectx(kthread_t *, int); 701 1217 rab extern void installpctx(proc_t *, void *, void (*)(), void (*)(), 702 1217 rab void (*)(), void (*)(), void (*)()); 703 1217 rab extern int removepctx(proc_t *, void *, void (*)(), void (*)(), 704 1217 rab void (*)(), void (*)(), void (*)()); 705 1217 rab extern void savepctx(proc_t *); 706 1217 rab extern void restorepctx(proc_t *); 707 1217 rab extern void forkpctx(proc_t *, proc_t *); 708 1217 rab extern void exitpctx(proc_t *); 709 1217 rab extern void freepctx(proc_t *, int); 710 0 stevel extern kthread_t *thread_unpin(void); 711 0 stevel extern void thread_init(void); 712 0 stevel extern void thread_load(kthread_t *, void (*)(), caddr_t, size_t); 713 0 stevel 714 0 stevel extern void tsd_create(uint_t *, void (*)(void *)); 715 0 stevel extern void tsd_destroy(uint_t *); 716 0 stevel extern void *tsd_getcreate(uint_t *, void (*)(void *), void *(*)(void)); 717 0 stevel extern void *tsd_get(uint_t); 718 0 stevel extern int tsd_set(uint_t, void *); 719 0 stevel extern void tsd_exit(void); 720 0 stevel extern void *tsd_agent_get(kthread_t *, uint_t); 721 0 stevel extern int tsd_agent_set(kthread_t *, uint_t, void *); 722 0 stevel 723 0 stevel /* lwp function prototypes */ 724 0 stevel 725 11173 Jonathan extern kthread_t *lwp_kernel_create(proc_t *, void (*)(), void *, int, pri_t); 726 0 stevel extern klwp_t *lwp_create( 727 0 stevel void (*proc)(), 728 0 stevel caddr_t arg, 729 0 stevel size_t len, 730 0 stevel proc_t *p, 731 0 stevel int state, 732 0 stevel int pri, 733 0 stevel const k_sigset_t *smask, 734 0 stevel int cid, 735 0 stevel id_t lwpid); 736 0 stevel extern kthread_t *idtot(proc_t *, id_t); 737 9393 Roger extern void lwp_hash_in(proc_t *, lwpent_t *, tidhash_t *, uint_t, int); 738 0 stevel extern void lwp_hash_out(proc_t *, id_t); 739 0 stevel extern lwpdir_t *lwp_hash_lookup(proc_t *, id_t); 740 9393 Roger extern lwpdir_t *lwp_hash_lookup_and_lock(proc_t *, id_t, kmutex_t **); 741 0 stevel extern void lwp_create_done(kthread_t *); 742 0 stevel extern void lwp_exit(void); 743 0 stevel extern void lwp_pcb_exit(void); 744 0 stevel extern void lwp_cleanup(void); 745 0 stevel extern int lwp_suspend(kthread_t *); 746 0 stevel extern void lwp_continue(kthread_t *); 747 0 stevel extern void holdlwp(void); 748 0 stevel extern void stoplwp(void); 749 0 stevel extern int holdlwps(int); 750 0 stevel extern int holdwatch(void); 751 0 stevel extern void pokelwps(proc_t *); 752 0 stevel extern void continuelwps(proc_t *); 753 0 stevel extern int exitlwps(int); 754 0 stevel extern void lwp_ctmpl_copy(klwp_t *, klwp_t *); 755 0 stevel extern void lwp_ctmpl_clear(klwp_t *); 756 0 stevel extern klwp_t *forklwp(klwp_t *, proc_t *, id_t); 757 0 stevel extern void lwp_load(klwp_t *, gregset_t, uintptr_t); 758 0 stevel extern void lwp_setrval(klwp_t *, int, int); 759 0 stevel extern void lwp_forkregs(klwp_t *, klwp_t *); 760 0 stevel extern void lwp_freeregs(klwp_t *, int); 761 0 stevel extern caddr_t lwp_stk_init(klwp_t *, caddr_t); 762 2005 elowe extern void lwp_stk_cache_init(void); 763 0 stevel extern void lwp_stk_fini(klwp_t *); 764 0 stevel extern void lwp_installctx(klwp_t *); 765 0 stevel extern void lwp_rtt(void); 766 0 stevel extern void lwp_rtt_initial(void); 767 0 stevel extern int lwp_setprivate(klwp_t *, int, uintptr_t); 768 0 stevel extern void lwp_stat_update(lwp_stat_id_t, long); 769 2712 nn35248 extern void lwp_attach_brand_hdlrs(klwp_t *); 770 6994 edp extern void lwp_detach_brand_hdlrs(klwp_t *); 771 0 stevel 772 9351 Prashanth #if defined(__sparcv9) 773 9351 Prashanth extern void lwp_mmodel_newlwp(void); 774 9351 Prashanth extern void lwp_mmodel_shared_as(caddr_t, size_t); 775 9351 Prashanth #define LWP_MMODEL_NEWLWP() lwp_mmodel_newlwp() 776 9351 Prashanth #define LWP_MMODEL_SHARED_AS(addr, sz) lwp_mmodel_shared_as((addr), (sz)) 777 9351 Prashanth #else 778 9351 Prashanth #define LWP_MMODEL_NEWLWP() 779 9351 Prashanth #define LWP_MMODEL_SHARED_AS(addr, sz) 780 9351 Prashanth #endif 781 9351 Prashanth 782 0 stevel /* 783 0 stevel * Signal queue function prototypes. Must be here due to header ordering 784 0 stevel * dependencies. 785 0 stevel */ 786 0 stevel extern void sigqfree(proc_t *); 787 0 stevel extern void siginfofree(sigqueue_t *); 788 0 stevel extern void sigdeq(proc_t *, kthread_t *, int, sigqueue_t **); 789 0 stevel extern void sigdelq(proc_t *, kthread_t *, int); 790 0 stevel extern void sigaddq(proc_t *, kthread_t *, k_siginfo_t *, int); 791 0 stevel extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *); 792 0 stevel extern void sigqsend(int, proc_t *, kthread_t *, sigqueue_t *); 793 0 stevel extern void sigdupq(proc_t *, proc_t *); 794 0 stevel extern int sigwillqueue(int, int); 795 0 stevel extern sigqhdr_t *sigqhdralloc(size_t, uint_t); 796 0 stevel extern sigqueue_t *sigqalloc(sigqhdr_t *); 797 0 stevel extern void sigqhdrfree(sigqhdr_t *); 798 0 stevel extern sigqueue_t *sigappend(k_sigset_t *, sigqueue_t *, 799 0 stevel k_sigset_t *, sigqueue_t *); 800 0 stevel extern sigqueue_t *sigprepend(k_sigset_t *, sigqueue_t *, 801 0 stevel k_sigset_t *, sigqueue_t *); 802 0 stevel extern void winfo(proc_t *, k_siginfo_t *, int); 803 0 stevel extern int wstat(int, int); 804 0 stevel extern int sendsig(int, k_siginfo_t *, void (*)()); 805 0 stevel #if defined(_SYSCALL32_IMPL) 806 0 stevel extern int sendsig32(int, k_siginfo_t *, void (*)()); 807 0 stevel #endif 808 0 stevel 809 0 stevel #endif /* _KERNEL */ 810 0 stevel 811 0 stevel #ifdef __cplusplus 812 0 stevel } 813 0 stevel #endif 814 0 stevel 815 0 stevel #endif /* _SYS_PROC_H */ 816
Indexes created Sat Nov 28 14:09:03 UTC 2009
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