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--- old/usr/src/uts/common/sys/proc.h
+++ new/usr/src/uts/common/sys/proc.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
24 24 */
25 25
26 26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
27 27 /* All Rights Reserved */
28 28
29 29 #ifndef _SYS_PROC_H
30 30 #define _SYS_PROC_H
31 31
32 32 #include <sys/time.h>
33 33 #include <sys/thread.h>
34 34 #include <sys/cred.h>
35 35 #include <sys/user.h>
36 36 #include <sys/watchpoint.h>
37 37 #include <sys/timer.h>
38 38 #if defined(__x86)
39 39 #include <sys/tss.h>
40 40 #include <sys/segments.h>
41 41 #endif
42 42 #include <sys/utrap.h>
43 43 #include <sys/model.h>
44 44 #include <sys/refstr.h>
45 45 #include <sys/avl.h>
46 46 #include <sys/rctl.h>
47 47 #include <sys/list.h>
48 48 #include <sys/avl.h>
49 49 #include <sys/door_impl.h>
50 50
51 51 #ifdef __cplusplus
52 52 extern "C" {
53 53 #endif
54 54
55 55 /*
56 56 * Profile arguments.
57 57 */
58 58 struct prof {
59 59 void *pr_base; /* buffer base */
60 60 uintptr_t pr_off; /* pc offset */
61 61 size_t pr_size; /* buffer size */
62 62 uint32_t pr_scale; /* pc scaling */
63 63 long pr_samples; /* sample count */
64 64 };
65 65
66 66 /*
67 67 * An lwp directory entry.
68 68 * If le_thread != NULL, this is an active lwp.
69 69 * If le_thread == NULL, this is an unreaped zombie lwp.
70 70 */
71 71 typedef struct lwpent {
72 72 kthread_t *le_thread; /* the active lwp, NULL if zombie */
73 73 id_t le_lwpid; /* its lwpid (t->t_tid) */
74 74 uint16_t le_waiters; /* total number of lwp_wait()ers */
75 75 uint16_t le_dwaiters; /* number that are daemons */
76 76 clock_t le_start; /* start time of this lwp */
77 77 struct vnode *le_trace; /* pointer to /proc lwp vnode */
78 78 } lwpent_t;
79 79
80 80 typedef struct pctxop {
81 81 void (*save_op)(void *); /* function to invoke to save ctx */
82 82 void (*restore_op)(void *); /* function to invoke to restore ctx */
83 83 void (*fork_op)(void *, void *); /* invoke to fork context */
84 84 void (*exit_op)(void *); /* invoked during process exit */
85 85 void (*free_op)(void *, int); /* function which frees the context */
86 86 void *arg; /* argument to above functions */
87 87 struct pctxop *next; /* next pcontext ops */
88 88 } pctxop_t;
89 89
90 90 /*
91 91 * Elements of the lwp directory, p->p_lwpdir[].
92 92 *
93 93 * We allocate lwp directory entries separately from lwp directory
94 94 * elements because the lwp directory must be allocated as an array.
95 95 * The number of lwps can grow quite large and we want to keep the
96 96 * size of the kmem_alloc()d directory as small as possible.
97 97 *
98 98 * If ld_entry == NULL, the entry is free and is on the free list,
99 99 * p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the
100 100 * entry is used and ld_next is the thread-id hash link pointer.
101 101 */
102 102 typedef struct lwpdir {
103 103 struct lwpdir *ld_next; /* hash chain or free list */
104 104 struct lwpent *ld_entry; /* lwp directory entry */
105 105 } lwpdir_t;
106 106
107 107 /*
108 108 * Element of the p_tidhash thread-id (lwpid) hash table.
109 109 */
110 110 typedef struct tidhash {
111 111 kmutex_t th_lock;
112 112 lwpdir_t *th_list;
113 113 } tidhash_t;
114 114
115 115 /*
116 116 * Retired tidhash hash tables.
117 117 */
118 118 typedef struct ret_tidhash {
119 119 struct ret_tidhash *rth_next;
120 120 tidhash_t *rth_tidhash;
121 121 uint_t rth_tidhash_sz;
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121 lines elided |
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122 122 } ret_tidhash_t;
123 123
124 124 struct pool;
125 125 struct task;
126 126 struct zone;
127 127 struct brand;
128 128 struct corectl_path;
129 129 struct corectl_content;
130 130
131 131 /*
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.
132 + * One structure allocated per active process. Per-process data (user.h) is
133 + * also inside the proc structure.
136 134 */
137 135 typedef struct proc {
138 136 /*
139 137 * Fields requiring no explicit locking
140 138 */
141 139 struct vnode *p_exec; /* pointer to a.out vnode */
142 140 struct as *p_as; /* process address space pointer */
143 141 struct plock *p_lockp; /* ptr to proc struct's mutex lock */
144 142 kmutex_t p_crlock; /* lock for p_cred */
145 143 struct cred *p_cred; /* process credentials */
146 144 /*
147 145 * Fields protected by pidlock
148 146 */
149 - int p_swapcnt; /* number of swapped out lwps */
150 147 char p_stat; /* status of process */
151 148 char p_wcode; /* current wait code */
152 149 ushort_t p_pidflag; /* flags protected only by pidlock */
153 150 int p_wdata; /* current wait return value */
154 151 pid_t p_ppid; /* process id of parent */
155 152 struct proc *p_link; /* forward link */
156 153 struct proc *p_parent; /* ptr to parent process */
157 154 struct proc *p_child; /* ptr to first child process */
158 155 struct proc *p_sibling; /* ptr to next sibling proc on chain */
159 156 struct proc *p_psibling; /* ptr to prev sibling proc on chain */
160 157 struct proc *p_sibling_ns; /* prt to siblings with new state */
161 158 struct proc *p_child_ns; /* prt to children with new state */
162 159 struct proc *p_next; /* active chain link next */
163 160 struct proc *p_prev; /* active chain link prev */
164 161 struct proc *p_nextofkin; /* gets accounting info at exit */
165 162 struct proc *p_orphan;
166 163 struct proc *p_nextorph;
167 164 struct proc *p_pglink; /* process group hash chain link next */
168 165 struct proc *p_ppglink; /* process group hash chain link prev */
169 166 struct sess *p_sessp; /* session information */
170 167 struct pid *p_pidp; /* process ID info */
171 168 struct pid *p_pgidp; /* process group ID info */
172 169 /*
173 170 * Fields protected by p_lock
174 171 */
175 172 kcondvar_t p_cv; /* proc struct's condition variable */
176 173 kcondvar_t p_flag_cv;
177 174 kcondvar_t p_lwpexit; /* waiting for some lwp to exit */
178 175 kcondvar_t p_holdlwps; /* process is waiting for its lwps */
179 176 /* to to be held. */
180 177 uint_t p_proc_flag; /* /proc-related flags */
181 178 uint_t p_flag; /* protected while set. */
182 179 /* flags defined below */
183 180 clock_t p_utime; /* user time, this process */
184 181 clock_t p_stime; /* system time, this process */
185 182 clock_t p_cutime; /* sum of children's user time */
186 183 clock_t p_cstime; /* sum of children's system time */
187 184 avl_tree_t *p_segacct; /* System V shared segment list */
188 185 avl_tree_t *p_semacct; /* System V semaphore undo list */
189 186 caddr_t p_bssbase; /* base addr of last bss below heap */
190 187 caddr_t p_brkbase; /* base addr of heap */
191 188 size_t p_brksize; /* heap size in bytes */
192 189 uint_t p_brkpageszc; /* preferred heap max page size code */
193 190 /*
194 191 * Per process signal stuff.
195 192 */
196 193 k_sigset_t p_sig; /* signals pending to this process */
197 194 k_sigset_t p_extsig; /* signals sent from another contract */
198 195 k_sigset_t p_ignore; /* ignore when generated */
199 196 k_sigset_t p_siginfo; /* gets signal info with signal */
200 197 struct sigqueue *p_sigqueue; /* queued siginfo structures */
201 198 struct sigqhdr *p_sigqhdr; /* hdr to sigqueue structure pool */
202 199 struct sigqhdr *p_signhdr; /* hdr to signotify structure pool */
203 200 uchar_t p_stopsig; /* jobcontrol stop signal */
204 201
205 202 /*
206 203 * Special per-process flag when set will fix misaligned memory
207 204 * references.
208 205 */
209 206 char p_fixalignment;
210 207
211 208 /*
212 209 * Per process lwp and kernel thread stuff
213 210 */
214 211 id_t p_lwpid; /* most recently allocated lwpid */
215 212 int p_lwpcnt; /* number of lwps in this process */
216 213 int p_lwprcnt; /* number of not stopped lwps */
217 214 int p_lwpdaemon; /* number of TP_DAEMON lwps */
218 215 int p_lwpwait; /* number of lwps in lwp_wait() */
219 216 int p_lwpdwait; /* number of daemons in lwp_wait() */
220 217 int p_zombcnt; /* number of zombie lwps */
221 218 kthread_t *p_tlist; /* circular list of threads */
222 219 lwpdir_t *p_lwpdir; /* thread (lwp) directory */
223 220 lwpdir_t *p_lwpfree; /* p_lwpdir free list */
224 221 tidhash_t *p_tidhash; /* tid (lwpid) lookup hash table */
225 222 uint_t p_lwpdir_sz; /* number of p_lwpdir[] entries */
226 223 uint_t p_tidhash_sz; /* number of p_tidhash[] entries */
227 224 ret_tidhash_t *p_ret_tidhash; /* retired tidhash hash tables */
228 225 uint64_t p_lgrpset; /* unprotected hint of set of lgrps */
229 226 /* on which process has threads */
230 227 volatile lgrp_id_t p_t1_lgrpid; /* main's thread lgroup id */
231 228 volatile lgrp_id_t p_tr_lgrpid; /* text replica's lgroup id */
232 229 #if defined(_LP64)
233 230 uintptr_t p_lgrpres2; /* reserved for lgrp migration */
234 231 #endif
235 232 /*
236 233 * /proc (process filesystem) debugger interface stuff.
237 234 */
238 235 k_sigset_t p_sigmask; /* mask of traced signals (/proc) */
239 236 k_fltset_t p_fltmask; /* mask of traced faults (/proc) */
240 237 struct vnode *p_trace; /* pointer to primary /proc vnode */
241 238 struct vnode *p_plist; /* list of /proc vnodes for process */
242 239 kthread_t *p_agenttp; /* thread ptr for /proc agent lwp */
243 240 avl_tree_t p_warea; /* list of watched areas */
244 241 avl_tree_t p_wpage; /* remembered watched pages (vfork) */
245 242 watched_page_t *p_wprot; /* pages that need to have prot set */
246 243 int p_mapcnt; /* number of active pr_mappage()s */
247 244 kmutex_t p_maplock; /* lock for pr_mappage() */
248 245 struct proc *p_rlink; /* linked list for server */
249 246 kcondvar_t p_srwchan_cv;
250 247 size_t p_stksize; /* process stack size in bytes */
251 248 uint_t p_stkpageszc; /* preferred stack max page size code */
252 249
253 250 /*
254 251 * Microstate accounting, resource usage, and real-time profiling
255 252 */
256 253 hrtime_t p_mstart; /* hi-res process start time */
257 254 hrtime_t p_mterm; /* hi-res process termination time */
258 255 hrtime_t p_mlreal; /* elapsed time sum over defunct lwps */
259 256 hrtime_t p_acct[NMSTATES]; /* microstate sum over defunct lwps */
260 257 hrtime_t p_cacct[NMSTATES]; /* microstate sum over child procs */
261 258 struct lrusage p_ru; /* lrusage sum over defunct lwps */
262 259 struct lrusage p_cru; /* lrusage sum over child procs */
263 260 struct itimerval p_rprof_timer; /* ITIMER_REALPROF interval timer */
264 261 uintptr_t p_rprof_cyclic; /* ITIMER_REALPROF cyclic */
265 262 uint_t p_defunct; /* number of defunct lwps */
266 263 /*
267 264 * profiling. A lock is used in the event of multiple lwp's
268 265 * using the same profiling base/size.
269 266 */
270 267 kmutex_t p_pflock; /* protects user profile arguments */
271 268 struct prof p_prof; /* profile arguments */
272 269
273 270 /*
274 271 * Doors.
275 272 */
276 273 door_pool_t p_server_threads; /* common thread pool */
277 274 struct door_node *p_door_list; /* active doors */
278 275 struct door_node *p_unref_list;
279 276 kcondvar_t p_unref_cv;
280 277 char p_unref_thread; /* unref thread created */
281 278
282 279 /*
283 280 * Kernel probes
284 281 */
285 282 uchar_t p_tnf_flags;
286 283
287 284 /*
288 285 * Solaris Audit
289 286 */
290 287 struct p_audit_data *p_audit_data; /* per process audit structure */
291 288
292 289 pctxop_t *p_pctx;
293 290
294 291 #if defined(__x86)
295 292 /*
296 293 * LDT support.
297 294 */
298 295 kmutex_t p_ldtlock; /* protects the following fields */
299 296 user_desc_t *p_ldt; /* Pointer to private LDT */
300 297 system_desc_t p_ldt_desc; /* segment descriptor for private LDT */
301 298 ushort_t p_ldtlimit; /* highest selector used */
302 299 #endif
303 300 size_t p_swrss; /* resident set size before last swap */
304 301 struct aio *p_aio; /* pointer to async I/O struct */
305 302 struct itimer **p_itimer; /* interval timers */
306 303 timeout_id_t p_alarmid; /* alarm's timeout id */
307 304 caddr_t p_usrstack; /* top of the process stack */
308 305 uint_t p_stkprot; /* stack memory protection */
309 306 uint_t p_datprot; /* data memory protection */
310 307 model_t p_model; /* data model determined at exec time */
311 308 struct lwpchan_data *p_lcp; /* lwpchan cache */
312 309 kmutex_t p_lcp_lock; /* protects assignments to p_lcp */
313 310 utrap_handler_t *p_utraps; /* pointer to user trap handlers */
314 311 struct corectl_path *p_corefile; /* pattern for core file */
315 312 struct task *p_task; /* our containing task */
316 313 struct proc *p_taskprev; /* ptr to previous process in task */
317 314 struct proc *p_tasknext; /* ptr to next process in task */
318 315 kmutex_t p_sc_lock; /* protects p_pagep */
319 316 struct sc_page_ctl *p_pagep; /* list of process's shared pages */
320 317 struct rctl_set *p_rctls; /* resource controls for this process */
321 318 rlim64_t p_stk_ctl; /* currently enforced stack size */
322 319 rlim64_t p_fsz_ctl; /* currently enforced file size */
323 320 rlim64_t p_vmem_ctl; /* currently enforced addr-space size */
324 321 rlim64_t p_fno_ctl; /* currently enforced file-desc limit */
325 322 pid_t p_ancpid; /* ancestor pid, used by exacct */
326 323 struct itimerval p_realitimer; /* real interval timer */
327 324 timeout_id_t p_itimerid; /* real interval timer's timeout id */
328 325 struct corectl_content *p_content; /* content of core file */
329 326
330 327 avl_tree_t p_ct_held; /* held contracts */
331 328 struct ct_equeue **p_ct_equeue; /* process-type event queues */
332 329
333 330 struct cont_process *p_ct_process; /* process contract */
334 331 list_node_t p_ct_member; /* process contract membership */
335 332 sigqueue_t *p_killsqp; /* sigqueue pointer for SIGKILL */
336 333
337 334 int p_dtrace_probes; /* are there probes for this proc? */
338 335 uint64_t p_dtrace_count; /* number of DTrace tracepoints */
339 336 /* (protected by P_PR_LOCK) */
340 337 void *p_dtrace_helpers; /* DTrace helpers, if any */
341 338 struct pool *p_pool; /* pointer to containing pool */
342 339 kcondvar_t p_poolcv; /* synchronization with pools */
343 340 uint_t p_poolcnt; /* # threads inside pool barrier */
344 341 uint_t p_poolflag; /* pool-related flags (see below) */
345 342 uintptr_t p_portcnt; /* event ports counter */
346 343 struct zone *p_zone; /* zone in which process lives */
347 344 struct vnode *p_execdir; /* directory that p_exec came from */
348 345 struct brand *p_brand; /* process's brand */
349 346 void *p_brand_data; /* per-process brand state */
350 347
351 348 /* additional lock to protect p_sessp (but not its contents) */
352 349 kmutex_t p_splock;
353 350 rctl_qty_t p_locked_mem; /* locked memory charged to proc */
354 351 /* protected by p_lock */
355 352 rctl_qty_t p_crypto_mem; /* /dev/crypto memory charged to proc */
356 353 /* protected by p_lock */
357 354 clock_t p_ttime; /* buffered task time */
358 355
359 356 /*
360 357 * The user structure
361 358 */
362 359 struct user p_user; /* (see sys/user.h) */
363 360 } proc_t;
364 361
365 362 #define PROC_T /* headers relying on proc_t are OK */
366 363
367 364 #ifdef _KERNEL
368 365
369 366 /* active process chain */
370 367
371 368 extern proc_t *practive;
372 369
373 370 /* Well known processes */
374 371
375 372 extern proc_t *proc_sched; /* memory scheduler */
376 373 extern proc_t *proc_init; /* init */
377 374 extern proc_t *proc_pageout; /* pageout daemon */
378 375 extern proc_t *proc_fsflush; /* filesystem sync-er */
379 376
380 377 #endif /* _KERNEL */
381 378
382 379 /*
383 380 * Stuff to keep track of the number of processes each uid has.
384 381 * It is tracked on a per-zone basis; that is, if users in different
385 382 * zones have the same uid, they are tracked separately.
386 383 *
387 384 * A structure is allocated when a new <uid,zoneid> pair shows up
388 385 * There is a hash to find each structure.
389 386 */
390 387 struct upcount {
391 388 struct upcount *up_next;
392 389 uid_t up_uid;
393 390 zoneid_t up_zoneid;
394 391 uint_t up_count;
395 392 };
396 393
397 394 /* process ID info */
398 395
399 396 struct pid {
400 397 unsigned int pid_prinactive :1;
401 398 unsigned int pid_pgorphaned :1;
402 399 unsigned int pid_padding :6; /* used to be pid_ref, now an int */
403 400 unsigned int pid_prslot :24;
404 401 pid_t pid_id;
405 402 struct proc *pid_pglink;
406 403 struct proc *pid_pgtail;
407 404 struct pid *pid_link;
408 405 uint_t pid_ref;
409 406 };
410 407
411 408 #define p_pgrp p_pgidp->pid_id
412 409 #define p_pid p_pidp->pid_id
413 410 #define p_slot p_pidp->pid_prslot
414 411 #define p_detached p_pgidp->pid_pgorphaned
415 412
416 413 #define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \
417 414 ++(pidp)->pid_ref;
418 415 #define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \
419 416 (pidp)->pid_ref > 1 ? \
420 417 --(pidp)->pid_ref : pid_rele(pidp);
421 418
422 419 /*
423 420 * Structure containing persistent process lock. The structure and
424 421 * macro allow "mutex_enter(&p->p_lock)" to continue working.
425 422 */
426 423 struct plock {
427 424 kmutex_t pl_lock;
428 425 };
429 426 #define p_lock p_lockp->pl_lock
430 427
431 428 #ifdef _KERNEL
432 429 extern proc_t p0; /* process 0 */
433 430 extern struct plock p0lock; /* p0's plock */
434 431 extern struct pid pid0; /* p0's pid */
435 432
436 433 /* pid_allocate() flags */
437 434 #define PID_ALLOC_PROC 0x0001 /* assign a /proc slot as well */
438 435
439 436 #endif /* _KERNEL */
440 437
441 438 /* stat codes */
442 439
443 440 #define SSLEEP 1 /* awaiting an event */
444 441 #define SRUN 2 /* runnable */
445 442 #define SZOMB 3 /* process terminated but not waited for */
446 443 #define SSTOP 4 /* process stopped by debugger */
447 444 #define SIDL 5 /* intermediate state in process creation */
448 445 #define SONPROC 6 /* process is being run on a processor */
449 446 #define SWAIT 7 /* process is waiting to become runnable */
450 447
451 448 /* p_pidflag codes */
452 449 #define CLDPEND 0x0001 /* have yet to post a SIGCHLD to the parent */
453 450 #define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */
454 451 #define CLDNOSIGCHLD 0x0004 /* do not post SIGCHLD when child terminates */
455 452 #define CLDWAITPID 0x0008 /* only waitid(P_PID, pid) can reap the child */
456 453
457 454 /* p_proc_flag codes -- these flags are mostly private to /proc */
458 455 #define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */
459 456 #define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */
460 457 #define P_PR_FORK 0x0004 /* child inherits tracing flags */
461 458 #define P_PR_LOCK 0x0008 /* process locked by /proc */
462 459 #define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */
463 460 #define P_PR_EXEC 0x0020 /* process is in exec() */
464 461 #define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */
465 462 #define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */
466 463 #define P_PR_KILLCL 0x0100 /* kill process on last /proc close */
467 464
468 465 /*
469 466 * p_flag codes
470 467 *
471 468 * note that two of these flags, SMSACCT and SSYS, are exported to /proc's
472 469 * psinfo_t.p_flag field. Historically, all were, but since they are
473 470 * implementation dependant, we only export the ones people have come to
474 471 * rely upon. Hence, the bit positions of SSYS and SMSACCT should not be
475 472 * altered.
476 473 */
477 474 #define SSYS 0x00000001 /* system (resident) process */
478 475 #define SEXITING 0x00000002 /* process is exiting */
479 476 #define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */
480 477 #define SFORKING 0x00000008 /* tells called functions that we're forking */
481 478 #define SWATCHOK 0x00000010 /* proc in acceptable state for watchpoints */
482 479 #define SKILLED 0x00000100 /* SIGKILL has been posted to the process */
483 480 #define SSCONT 0x00000200 /* SIGCONT has been posted to the process */
484 481 #define SZONETOP 0x00000400 /* process has no valid PPID in its zone */
485 482 #define SEXTKILLED 0x00000800 /* SKILLED is from another contract */
486 483 #define SUGID 0x00002000 /* process was result of set[ug]id exec */
487 484 #define SEXECED 0x00004000 /* this process has execed */
488 485 #define SJCTL 0x00010000 /* SIGCHLD sent when children stop/continue */
489 486 #define SNOWAIT 0x00020000 /* children never become zombies */
490 487 #define SVFORK 0x00040000 /* child of vfork that has not yet exec'd */
491 488 #define SVFWAIT 0x00080000 /* parent of vfork waiting for child to exec */
492 489 #define SEXITLWPS 0x00100000 /* have lwps exit within the process */
493 490 #define SHOLDFORK 0x00200000 /* hold lwps where they're cloneable */
494 491 #define SHOLDFORK1 0x00800000 /* hold lwps in place (not cloning) */
495 492 #define SCOREDUMP 0x01000000 /* process is dumping core */
496 493 #define SMSACCT 0x02000000 /* process is keeping micro-state accounting */
497 494 #define SLWPWRAP 0x04000000 /* process has wrapped its lwp ids */
498 495 #define SAUTOLPG 0x08000000 /* kernel controls page sizes */
499 496 #define SNOCD 0x10000000 /* new creds from VSxID, do not coredump */
500 497 #define SHOLDWATCH 0x20000000 /* hold lwps for watchpoint operation */
501 498 #define SMSFORK 0x40000000 /* child inherits micro-state accounting */
502 499 #define SDOCORE 0x80000000 /* process will attempt to dump core */
503 500
504 501 /*
505 502 * p_poolflag codes
506 503 *
507 504 * These flags are used to synchronize with the pool subsystem to allow
508 505 * re-binding of processes to new pools.
509 506 */
510 507 #define PBWAIT 0x0001 /* process should wait outside fork/exec/exit */
511 508 #define PEXITED 0x0002 /* process exited and about to become zombie */
512 509
513 510 /* Macro to convert proc pointer to a user block pointer */
514 511 #define PTOU(p) (&(p)->p_user)
515 512
516 513 #define tracing(p, sig) (sigismember(&(p)->p_sigmask, sig))
517 514
518 515 /* Macro to reduce unnecessary calls to issig() */
519 516
520 517 #define ISSIG(t, why) ISSIG_FAST(t, ttolwp(t), ttoproc(t), why)
521 518
522 519 /*
523 520 * Fast version of ISSIG.
524 521 * 1. uses register pointers to lwp and proc instead of reloading them.
525 522 * 2. uses bit-wise OR of tests, since the usual case is that none of them
526 523 * are true, this saves orcc's and branches.
527 524 * 3. load the signal flags instead of using sigisempty() macro which does
528 525 * a branch to convert to boolean.
529 526 */
530 527 #define ISSIG_FAST(t, lwp, p, why) \
531 528 (ISSIG_PENDING(t, lwp, p) && issig(why))
532 529
533 530 #define ISSIG_PENDING(t, lwp, p) \
534 531 ((lwp)->lwp_cursig | \
535 532 sigcheck((p), (t)) | \
536 533 (p)->p_stopsig | \
537 534 (t)->t_dtrace_stop | \
538 535 (t)->t_dtrace_sig | \
539 536 ((t)->t_proc_flag & (TP_PRSTOP|TP_HOLDLWP|TP_CHKPT|TP_PAUSE)) | \
540 537 ((p)->p_flag & (SEXITLWPS|SKILLED|SHOLDFORK1|SHOLDWATCH)))
541 538
542 539 #define ISSTOP(sig) (u.u_signal[sig-1] == SIG_DFL && \
543 540 sigismember(&stopdefault, sig))
544 541
545 542 #define ISHOLD(p) ((p)->p_flag & SHOLDFORK)
546 543
547 544 #define MUSTRETURN(p, t) (ISHOLD(p) | (t)->t_activefd.a_stale)
548 545
549 546 /*
550 547 * Determine if there are any watchpoints active in the process.
551 548 */
552 549 #define pr_watch_active(p) (avl_numnodes(&(p)->p_warea) != 0)
553 550
554 551 /* Reasons for calling issig() */
555 552
556 553 #define FORREAL 0 /* Usual side-effects */
557 554 #define JUSTLOOKING 1 /* Don't stop the process */
558 555
559 556 /* 'what' values for stop(PR_SUSPENDED, what) */
560 557 #define SUSPEND_NORMAL 0
561 558 #define SUSPEND_PAUSE 1
562 559
563 560 /* pseudo-flag to lwp_create() */
564 561 #define NOCLASS (-1)
565 562
566 563 /* unused scheduling class ID */
567 564 #define CLASS_UNUSED (-2)
568 565
569 566 /* LWP stats updated via lwp_stats_update() */
570 567 typedef enum {
571 568 LWP_STAT_INBLK,
572 569 LWP_STAT_OUBLK,
573 570 LWP_STAT_MSGRCV,
574 571 LWP_STAT_MSGSND
575 572 } lwp_stat_id_t;
576 573
577 574 typedef struct prkillinfo {
578 575 int32_t prk_error; /* errno */
579 576 int32_t prk_pad; /* pad */
580 577 siginfo_t prk_info; /* siginfo of killing signal */
581 578 } prkillinfo_t;
582 579
583 580 #ifdef _KERNEL
584 581
585 582 /* user profiling functions */
586 583
587 584 extern void profil_tick(uintptr_t);
588 585
589 586 /* process management functions */
590 587
591 588 extern int newproc(void (*)(), caddr_t, id_t, int, struct contract **, pid_t);
592 589 extern void vfwait(pid_t);
593 590 extern void proc_detach(proc_t *);
594 591 extern void freeproc(proc_t *);
595 592 extern void setrun(kthread_t *);
596 593 extern void setrun_locked(kthread_t *);
597 594 extern void exit(int, int);
598 595 extern int proc_exit(int, int);
599 596 extern void proc_is_exiting(proc_t *);
600 597 extern void relvm(void);
601 598 extern void add_ns(proc_t *, proc_t *);
602 599 extern void delete_ns(proc_t *, proc_t *);
603 600 extern void upcount_inc(uid_t, zoneid_t);
604 601 extern void upcount_dec(uid_t, zoneid_t);
605 602 extern int upcount_get(uid_t, zoneid_t);
606 603 #if defined(__x86)
607 604 extern selector_t setup_thrptr(proc_t *, uintptr_t);
608 605 extern void deferred_singlestep_trap(caddr_t);
609 606 #endif
610 607
611 608 extern void sigcld(proc_t *, sigqueue_t *);
612 609 extern void sigcld_delete(k_siginfo_t *);
613 610 extern void sigcld_repost(void);
614 611 extern int fsig(k_sigset_t *, kthread_t *);
615 612 extern void psig(void);
616 613 extern void stop(int, int);
617 614 extern int stop_on_fault(uint_t, k_siginfo_t *);
618 615 extern int issig(int);
619 616 extern int jobstopped(proc_t *);
620 617 extern void psignal(proc_t *, int);
621 618 extern void tsignal(kthread_t *, int);
622 619 extern void sigtoproc(proc_t *, kthread_t *, int);
623 620 extern void trapsig(k_siginfo_t *, int);
624 621 extern void realsigprof(int, int, int);
625 622 extern int eat_signal(kthread_t *, int);
626 623 extern int signal_is_blocked(kthread_t *, int);
627 624 extern int sigcheck(proc_t *, kthread_t *);
628 625 extern void sigdefault(proc_t *);
629 626
630 627 extern void pid_setmin(void);
631 628 extern pid_t pid_allocate(proc_t *, pid_t, int);
632 629 extern int pid_rele(struct pid *);
633 630 extern void pid_exit(proc_t *, struct task *);
634 631 extern void proc_entry_free(struct pid *);
635 632 extern proc_t *prfind(pid_t);
636 633 extern proc_t *prfind_zone(pid_t, zoneid_t);
637 634 extern proc_t *pgfind(pid_t);
638 635 extern proc_t *pgfind_zone(pid_t, zoneid_t);
639 636 extern proc_t *sprlock(pid_t);
640 637 extern proc_t *sprlock_zone(pid_t, zoneid_t);
641 638 extern int sprtrylock_proc(proc_t *);
642 639 extern void sprwaitlock_proc(proc_t *);
643 640 extern void sprlock_proc(proc_t *);
644 641 extern void sprunlock(proc_t *);
645 642 extern void pid_init(void);
646 643 extern proc_t *pid_entry(int);
647 644 extern int pid_slot(proc_t *);
648 645 extern void signal(pid_t, int);
649 646 extern void prsignal(struct pid *, int);
650 647 extern int uread(proc_t *, void *, size_t, uintptr_t);
651 648 extern int uwrite(proc_t *, void *, size_t, uintptr_t);
652 649
653 650 extern void pgsignal(struct pid *, int);
654 651 extern void pgjoin(proc_t *, struct pid *);
655 652 extern void pgcreate(proc_t *);
656 653 extern void pgexit(proc_t *);
657 654 extern void pgdetach(proc_t *);
658 655 extern int pgmembers(pid_t);
659 656
660 657 extern void init_mstate(kthread_t *, int);
661 658 extern int new_mstate(kthread_t *, int);
662 659 extern void restore_mstate(kthread_t *);
663 660 extern void term_mstate(kthread_t *);
664 661 extern void estimate_msacct(kthread_t *, hrtime_t);
665 662 extern void disable_msacct(proc_t *);
666 663 extern hrtime_t mstate_aggr_state(proc_t *, int);
667 664 extern hrtime_t mstate_thread_onproc_time(kthread_t *);
668 665 extern void mstate_systhread_times(kthread_t *, hrtime_t *, hrtime_t *);
669 666 extern void syscall_mstate(int, int);
670 667
671 668 extern uint_t cpu_update_pct(kthread_t *, hrtime_t);
672 669
673 670 extern void set_proc_pre_sys(proc_t *p);
674 671 extern void set_proc_post_sys(proc_t *p);
675 672 extern void set_proc_sys(proc_t *p);
676 673 extern void set_proc_ast(proc_t *p);
677 674 extern void set_all_proc_sys(void);
678 675 extern void set_all_zone_usr_proc_sys(zoneid_t);
679 676
680 677 /* thread function prototypes */
681 678
682 679 extern kthread_t *thread_create(
683 680 caddr_t stk,
684 681 size_t stksize,
685 682 void (*proc)(),
686 683 void *arg,
687 684 size_t len,
688 685 proc_t *pp,
689 686 int state,
690 687 pri_t pri);
691 688 extern void thread_exit(void) __NORETURN;
692 689 extern void thread_free(kthread_t *);
693 690 extern void thread_rele(kthread_t *);
694 691 extern void thread_join(kt_did_t);
695 692 extern int reaper(void);
696 693 extern void installctx(kthread_t *, void *, void (*)(), void (*)(),
697 694 void (*)(), void (*)(), void (*)(), void (*)());
698 695 extern int removectx(kthread_t *, void *, void (*)(), void (*)(),
699 696 void (*)(), void (*)(), void (*)(), void (*)());
700 697 extern void savectx(kthread_t *);
701 698 extern void restorectx(kthread_t *);
702 699 extern void forkctx(kthread_t *, kthread_t *);
703 700 extern void lwp_createctx(kthread_t *, kthread_t *);
704 701 extern void exitctx(kthread_t *);
705 702 extern void freectx(kthread_t *, int);
706 703 extern void installpctx(proc_t *, void *, void (*)(), void (*)(),
707 704 void (*)(), void (*)(), void (*)());
708 705 extern int removepctx(proc_t *, void *, void (*)(), void (*)(),
709 706 void (*)(), void (*)(), void (*)());
710 707 extern void savepctx(proc_t *);
711 708 extern void restorepctx(proc_t *);
712 709 extern void forkpctx(proc_t *, proc_t *);
713 710 extern void exitpctx(proc_t *);
714 711 extern void freepctx(proc_t *, int);
715 712 extern kthread_t *thread_unpin(void);
716 713 extern void thread_init(void);
717 714 extern void thread_load(kthread_t *, void (*)(), caddr_t, size_t);
718 715
719 716 extern void tsd_create(uint_t *, void (*)(void *));
720 717 extern void tsd_destroy(uint_t *);
721 718 extern void *tsd_getcreate(uint_t *, void (*)(void *), void *(*)(void));
722 719 extern void *tsd_get(uint_t);
723 720 extern int tsd_set(uint_t, void *);
724 721 extern void tsd_exit(void);
725 722 extern void *tsd_agent_get(kthread_t *, uint_t);
726 723 extern int tsd_agent_set(kthread_t *, uint_t, void *);
727 724
728 725 /* lwp function prototypes */
729 726
730 727 extern kthread_t *lwp_kernel_create(proc_t *, void (*)(), void *, int, pri_t);
731 728 extern klwp_t *lwp_create(
732 729 void (*proc)(),
733 730 caddr_t arg,
734 731 size_t len,
735 732 proc_t *p,
736 733 int state,
737 734 int pri,
738 735 const k_sigset_t *smask,
739 736 int cid,
740 737 id_t lwpid);
741 738 extern kthread_t *idtot(proc_t *, id_t);
742 739 extern void lwp_hash_in(proc_t *, lwpent_t *, tidhash_t *, uint_t, int);
743 740 extern void lwp_hash_out(proc_t *, id_t);
744 741 extern lwpdir_t *lwp_hash_lookup(proc_t *, id_t);
745 742 extern lwpdir_t *lwp_hash_lookup_and_lock(proc_t *, id_t, kmutex_t **);
746 743 extern void lwp_create_done(kthread_t *);
747 744 extern void lwp_exit(void);
748 745 extern void lwp_pcb_exit(void);
749 746 extern void lwp_cleanup(void);
750 747 extern int lwp_suspend(kthread_t *);
751 748 extern void lwp_continue(kthread_t *);
752 749 extern void holdlwp(void);
753 750 extern void stoplwp(void);
754 751 extern int holdlwps(int);
755 752 extern int holdwatch(void);
756 753 extern void pokelwps(proc_t *);
757 754 extern void continuelwps(proc_t *);
758 755 extern int exitlwps(int);
759 756 extern void lwp_ctmpl_copy(klwp_t *, klwp_t *);
760 757 extern void lwp_ctmpl_clear(klwp_t *);
761 758 extern klwp_t *forklwp(klwp_t *, proc_t *, id_t);
762 759 extern void lwp_load(klwp_t *, gregset_t, uintptr_t);
763 760 extern void lwp_setrval(klwp_t *, int, int);
764 761 extern void lwp_forkregs(klwp_t *, klwp_t *);
765 762 extern void lwp_freeregs(klwp_t *, int);
766 763 extern caddr_t lwp_stk_init(klwp_t *, caddr_t);
767 764 extern void lwp_stk_cache_init(void);
768 765 extern void lwp_stk_fini(klwp_t *);
769 766 extern void lwp_installctx(klwp_t *);
770 767 extern void lwp_rtt(void);
771 768 extern void lwp_rtt_initial(void);
772 769 extern int lwp_setprivate(klwp_t *, int, uintptr_t);
773 770 extern void lwp_stat_update(lwp_stat_id_t, long);
774 771 extern void lwp_attach_brand_hdlrs(klwp_t *);
775 772 extern void lwp_detach_brand_hdlrs(klwp_t *);
776 773
777 774 #if defined(__sparcv9)
778 775 extern void lwp_mmodel_newlwp(void);
779 776 extern void lwp_mmodel_shared_as(caddr_t, size_t);
780 777 #define LWP_MMODEL_NEWLWP() lwp_mmodel_newlwp()
781 778 #define LWP_MMODEL_SHARED_AS(addr, sz) lwp_mmodel_shared_as((addr), (sz))
782 779 #else
783 780 #define LWP_MMODEL_NEWLWP()
784 781 #define LWP_MMODEL_SHARED_AS(addr, sz)
785 782 #endif
786 783
787 784 /*
788 785 * Signal queue function prototypes. Must be here due to header ordering
789 786 * dependencies.
790 787 */
791 788 extern void sigqfree(proc_t *);
792 789 extern void siginfofree(sigqueue_t *);
793 790 extern void sigdeq(proc_t *, kthread_t *, int, sigqueue_t **);
794 791 extern void sigdelq(proc_t *, kthread_t *, int);
795 792 extern void sigaddq(proc_t *, kthread_t *, k_siginfo_t *, int);
796 793 extern void sigaddqa(proc_t *, kthread_t *, sigqueue_t *);
797 794 extern void sigqsend(int, proc_t *, kthread_t *, sigqueue_t *);
798 795 extern void sigdupq(proc_t *, proc_t *);
799 796 extern int sigwillqueue(int, int);
800 797 extern sigqhdr_t *sigqhdralloc(size_t, uint_t);
801 798 extern sigqueue_t *sigqalloc(sigqhdr_t *);
802 799 extern void sigqhdrfree(sigqhdr_t *);
803 800 extern sigqueue_t *sigappend(k_sigset_t *, sigqueue_t *,
804 801 k_sigset_t *, sigqueue_t *);
805 802 extern sigqueue_t *sigprepend(k_sigset_t *, sigqueue_t *,
806 803 k_sigset_t *, sigqueue_t *);
807 804 extern void winfo(proc_t *, k_siginfo_t *, int);
808 805 extern int wstat(int, int);
809 806 extern int sendsig(int, k_siginfo_t *, void (*)());
810 807 #if defined(_SYSCALL32_IMPL)
811 808 extern int sendsig32(int, k_siginfo_t *, void (*)());
812 809 #endif
813 810
814 811 #endif /* _KERNEL */
815 812
816 813 #ifdef __cplusplus
817 814 }
818 815 #endif
819 816
820 817 #endif /* _SYS_PROC_H */
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