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.
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.
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]
23 * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2018 Joyent, Inc.
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
34 #include <sys/thread.h>
37 #include <sys/watchpoint.h>
38 #include <sys/timer.h>
41 #include <sys/segments.h>
43 #include <sys/utrap.h>
44 #include <sys/model.h>
45 #include <sys/refstr.h>
50 #include <sys/door_impl.h>
51 #include <sys/signalfd.h>
52 #include <sys/secflags.h>
62 void *pr_base
; /* buffer base */
63 uintptr_t pr_off
; /* pc offset */
64 size_t pr_size
; /* buffer size */
65 uint32_t pr_scale
; /* pc scaling */
66 long pr_samples
; /* sample count */
70 * An lwp directory entry.
71 * If le_thread != NULL, this is an active lwp.
72 * If le_thread == NULL, this is an unreaped zombie lwp.
74 typedef struct lwpent
{
75 kthread_t
*le_thread
; /* the active lwp, NULL if zombie */
76 id_t le_lwpid
; /* its lwpid (t->t_tid) */
77 uint16_t le_waiters
; /* total number of lwp_wait()ers */
78 uint16_t le_dwaiters
; /* number that are daemons */
79 clock_t le_start
; /* start time of this lwp */
80 struct vnode
*le_trace
; /* pointer to /proc lwp vnode */
83 typedef struct pctxop
{
84 void (*save_op
)(void *); /* function to invoke to save ctx */
85 void (*restore_op
)(void *); /* function to invoke to restore ctx */
86 void (*fork_op
)(void *, void *); /* invoke to fork context */
87 void (*exit_op
)(void *); /* invoked during process exit */
88 void (*free_op
)(void *, int); /* function which frees the context */
89 void *arg
; /* argument to above functions */
90 struct pctxop
*next
; /* next pcontext ops */
94 * Elements of the lwp directory, p->p_lwpdir[].
96 * We allocate lwp directory entries separately from lwp directory
97 * elements because the lwp directory must be allocated as an array.
98 * The number of lwps can grow quite large and we want to keep the
99 * size of the kmem_alloc()d directory as small as possible.
101 * If ld_entry == NULL, the entry is free and is on the free list,
102 * p->p_lwpfree, linked through ld_next. If ld_entry != NULL, the
103 * entry is used and ld_next is the thread-id hash link pointer.
105 typedef struct lwpdir
{
106 struct lwpdir
*ld_next
; /* hash chain or free list */
107 struct lwpent
*ld_entry
; /* lwp directory entry */
111 * Element of the p_tidhash thread-id (lwpid) hash table.
113 typedef struct tidhash
{
119 * Retired tidhash hash tables.
121 typedef struct ret_tidhash
{
122 struct ret_tidhash
*rth_next
;
123 tidhash_t
*rth_tidhash
;
124 uint_t rth_tidhash_sz
;
132 struct corectl_content
;
135 * One structure allocated per active process. Per-process data (user.h) is
136 * also inside the proc structure.
138 typedef struct proc
{
140 * Fields requiring no explicit locking
142 struct vnode
*p_exec
; /* pointer to a.out vnode */
143 struct as
*p_as
; /* process address space pointer */
144 struct plock
*p_lockp
; /* ptr to proc struct's mutex lock */
145 kmutex_t p_crlock
; /* lock for p_cred */
146 struct cred
*p_cred
; /* process credentials */
148 * Fields protected by pidlock
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 */
173 * Fields protected by p_lock
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 */
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 */
194 * Per process signal stuff.
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 void *p_sigfd
; /* signalfd support state */
201 struct sigqueue
*p_sigqueue
; /* queued siginfo structures */
202 struct sigqhdr
*p_sigqhdr
; /* hdr to sigqueue structure pool */
203 struct sigqhdr
*p_signhdr
; /* hdr to signotify structure pool */
204 uchar_t p_stopsig
; /* jobcontrol stop signal */
207 * Special per-process flag when set will fix misaligned memory
213 * Per process lwp and kernel thread stuff
215 id_t p_lwpid
; /* most recently allocated lwpid */
216 int p_lwpcnt
; /* number of lwps in this process */
217 int p_lwprcnt
; /* number of not stopped lwps */
218 int p_lwpdaemon
; /* number of TP_DAEMON lwps */
219 int p_lwpwait
; /* number of lwps in lwp_wait() */
220 int p_lwpdwait
; /* number of daemons in lwp_wait() */
221 int p_zombcnt
; /* number of zombie lwps */
222 kthread_t
*p_tlist
; /* circular list of threads */
223 lwpdir_t
*p_lwpdir
; /* thread (lwp) directory */
224 lwpdir_t
*p_lwpfree
; /* p_lwpdir free list */
225 tidhash_t
*p_tidhash
; /* tid (lwpid) lookup hash table */
226 uint_t p_lwpdir_sz
; /* number of p_lwpdir[] entries */
227 uint_t p_tidhash_sz
; /* number of p_tidhash[] entries */
228 ret_tidhash_t
*p_ret_tidhash
; /* retired tidhash hash tables */
229 uint64_t p_lgrpset
; /* unprotected hint of set of lgrps */
230 /* on which process has threads */
231 volatile lgrp_id_t p_t1_lgrpid
; /* main's thread lgroup id */
232 volatile lgrp_id_t p_tr_lgrpid
; /* text replica's lgroup id */
234 uintptr_t p_lgrpres2
; /* reserved for lgrp migration */
237 * /proc (process filesystem) debugger interface stuff.
239 k_sigset_t p_sigmask
; /* mask of traced signals (/proc) */
240 k_fltset_t p_fltmask
; /* mask of traced faults (/proc) */
241 struct vnode
*p_trace
; /* pointer to primary /proc vnode */
242 struct vnode
*p_plist
; /* list of /proc vnodes for process */
243 kthread_t
*p_agenttp
; /* thread ptr for /proc agent lwp */
244 avl_tree_t p_warea
; /* list of watched areas */
245 avl_tree_t p_wpage
; /* remembered watched pages (vfork) */
246 watched_page_t
*p_wprot
; /* pages that need to have prot set */
247 int p_mapcnt
; /* number of active pr_mappage()s */
248 kmutex_t p_maplock
; /* lock for pr_mappage() */
249 struct proc
*p_rlink
; /* linked list for server */
250 kcondvar_t p_srwchan_cv
;
253 * Stack sizing and guard information.
254 * Generally protected by as_rangelock()
256 size_t p_stksize
; /* process stack size in bytes */
257 uint_t p_stkpageszc
; /* preferred stack max page size code */
258 uintptr_t p_stkg_start
; /* start of stack guard */
259 uintptr_t p_stkg_end
; /* end of stack guard */
262 * Microstate accounting, resource usage, and real-time profiling
264 hrtime_t p_mstart
; /* hi-res process start time */
265 hrtime_t p_mterm
; /* hi-res process termination time */
266 hrtime_t p_mlreal
; /* elapsed time sum over defunct lwps */
267 hrtime_t p_acct
[NMSTATES
]; /* microstate sum over defunct lwps */
268 hrtime_t p_cacct
[NMSTATES
]; /* microstate sum over child procs */
269 struct lrusage p_ru
; /* lrusage sum over defunct lwps */
270 struct lrusage p_cru
; /* lrusage sum over child procs */
271 struct itimerval p_rprof_timer
; /* ITIMER_REALPROF interval timer */
272 uintptr_t p_rprof_cyclic
; /* ITIMER_REALPROF cyclic */
273 uint_t p_defunct
; /* number of defunct lwps */
275 * profiling. A lock is used in the event of multiple lwp's
276 * using the same profiling base/size.
278 kmutex_t p_pflock
; /* protects user profile arguments */
279 struct prof p_prof
; /* profile arguments */
284 door_pool_t p_server_threads
; /* common thread pool */
285 struct door_node
*p_door_list
; /* active doors */
286 struct door_node
*p_unref_list
;
287 kcondvar_t p_unref_cv
;
288 char p_unref_thread
; /* unref thread created */
298 struct p_audit_data
*p_audit_data
; /* per process audit structure */
306 kmutex_t p_ldtlock
; /* protects the following fields */
307 user_desc_t
*p_ldt
; /* Pointer to private LDT */
308 uint64_t p_unused1
; /* no longer used */
309 uint64_t p_unused2
; /* no longer used */
310 ushort_t p_ldtlimit
; /* highest selector used */
312 size_t p_swrss
; /* resident set size before last swap */
313 struct aio
*p_aio
; /* pointer to async I/O struct */
314 struct itimer
**p_itimer
; /* interval timers */
315 timeout_id_t p_alarmid
; /* alarm's timeout id */
316 caddr_t p_usrstack
; /* top of the process stack */
317 uint_t p_stkprot
; /* stack memory protection */
318 uint_t p_datprot
; /* data memory protection */
319 model_t p_model
; /* data model determined at exec time */
320 struct lwpchan_data
*p_lcp
; /* lwpchan cache */
321 kmutex_t p_lcp_lock
; /* protects assignments to p_lcp */
322 utrap_handler_t
*p_utraps
; /* pointer to user trap handlers */
323 struct corectl_path
*p_corefile
; /* pattern for core file */
324 struct task
*p_task
; /* our containing task */
325 struct proc
*p_taskprev
; /* ptr to previous process in task */
326 struct proc
*p_tasknext
; /* ptr to next process in task */
327 kmutex_t p_sc_lock
; /* protects p_pagep */
328 struct sc_page_ctl
*p_pagep
; /* list of process's shared pages */
329 struct rctl_set
*p_rctls
; /* resource controls for this process */
330 rlim_t p_stk_ctl
; /* currently enforced stack size */
331 rlim_t p_fsz_ctl
; /* currently enforced file size */
332 rlim_t p_vmem_ctl
; /* currently enforced addr-space size */
333 rlim_t p_fno_ctl
; /* currently enforced file-desc limit */
334 pid_t p_ancpid
; /* ancestor pid, used by exacct */
335 struct itimerval p_realitimer
; /* real interval timer */
336 timeout_id_t p_itimerid
; /* real interval timer's timeout id */
337 struct corectl_content
*p_content
; /* content of core file */
339 avl_tree_t p_ct_held
; /* held contracts */
340 struct ct_equeue
**p_ct_equeue
; /* process-type event queues */
342 struct cont_process
*p_ct_process
; /* process contract */
343 list_node_t p_ct_member
; /* process contract membership */
344 sigqueue_t
*p_killsqp
; /* sigqueue pointer for SIGKILL */
346 int p_dtrace_probes
; /* are there probes for this proc? */
347 uint64_t p_dtrace_count
; /* number of DTrace tracepoints */
348 /* (protected by P_PR_LOCK) */
349 void *p_dtrace_helpers
; /* DTrace helpers, if any */
350 struct pool
*p_pool
; /* pointer to containing pool */
351 kcondvar_t p_poolcv
; /* synchronization with pools */
352 uint_t p_poolcnt
; /* # threads inside pool barrier */
353 uint_t p_poolflag
; /* pool-related flags (see below) */
354 uintptr_t p_portcnt
; /* event ports counter */
355 struct zone
*p_zone
; /* zone in which process lives */
356 struct vnode
*p_execdir
; /* directory that p_exec came from */
357 struct brand
*p_brand
; /* process's brand */
358 void *p_brand_data
; /* per-process brand state */
359 psecflags_t p_secflags
; /* per-process security flags */
361 /* additional lock to protect p_sessp (but not its contents) */
363 rctl_qty_t p_locked_mem
; /* locked memory charged to proc */
364 /* protected by p_lock */
365 rctl_qty_t p_crypto_mem
; /* /dev/crypto memory charged to proc */
366 /* protected by p_lock */
367 clock_t p_ttime
; /* buffered task time */
372 struct user p_user
; /* (see sys/user.h) */
375 #define PROC_T /* headers relying on proc_t are OK */
379 /* active process chain */
381 extern proc_t
*practive
;
383 /* Well known processes */
385 extern proc_t
*proc_sched
; /* memory scheduler */
386 extern proc_t
*proc_init
; /* init */
387 extern proc_t
*proc_pageout
; /* pageout daemon */
388 extern proc_t
*proc_fsflush
; /* filesystem sync-er */
393 * Stuff to keep track of the number of processes each uid has.
394 * It is tracked on a per-zone basis; that is, if users in different
395 * zones have the same uid, they are tracked separately.
397 * A structure is allocated when a new <uid,zoneid> pair shows up
398 * There is a hash to find each structure.
401 struct upcount
*up_next
;
407 /* process ID info */
410 unsigned int pid_prinactive
:1;
411 unsigned int pid_pgorphaned
:1;
412 unsigned int pid_padding
:6; /* used to be pid_ref, now an int */
413 unsigned int pid_prslot
:24;
415 struct proc
*pid_pglink
;
416 struct proc
*pid_pgtail
;
417 struct pid
*pid_link
;
421 #define p_pgrp p_pgidp->pid_id
422 #define p_pid p_pidp->pid_id
423 #define p_slot p_pidp->pid_prslot
424 #define p_detached p_pgidp->pid_pgorphaned
426 #define PID_HOLD(pidp) ASSERT(MUTEX_HELD(&pidlock)); \
428 #define PID_RELE(pidp) ASSERT(MUTEX_HELD(&pidlock)); \
429 (pidp)->pid_ref > 1 ? \
430 --(pidp)->pid_ref : pid_rele(pidp);
433 * Structure containing persistent process lock. The structure and
434 * macro allow "mutex_enter(&p->p_lock)" to continue working.
439 #define p_lock p_lockp->pl_lock
442 extern proc_t p0
; /* process 0 */
443 extern struct plock p0lock
; /* p0's plock */
444 extern struct pid pid0
; /* p0's pid */
446 /* pid_allocate() flags */
447 #define PID_ALLOC_PROC 0x0001 /* assign a /proc slot as well */
453 #define SSLEEP 1 /* awaiting an event */
454 #define SRUN 2 /* runnable */
455 #define SZOMB 3 /* process terminated but not waited for */
456 #define SSTOP 4 /* process stopped by debugger */
457 #define SIDL 5 /* intermediate state in process creation */
458 #define SONPROC 6 /* process is being run on a processor */
459 #define SWAIT 7 /* process is waiting to become runnable */
461 /* p_pidflag codes */
462 #define CLDPEND 0x0001 /* have yet to post a SIGCHLD to the parent */
463 #define CLDCONT 0x0002 /* child has notified parent of CLD_CONTINUED */
464 #define CLDNOSIGCHLD 0x0004 /* do not post SIGCHLD when child terminates */
465 #define CLDWAITPID 0x0008 /* only waitid(P_PID, pid) can reap the child */
467 /* p_proc_flag codes -- these flags are mostly private to /proc */
468 #define P_PR_TRACE 0x0001 /* signal, fault or syscall tracing via /proc */
469 #define P_PR_PTRACE 0x0002 /* ptrace() compatibility mode */
470 #define P_PR_FORK 0x0004 /* child inherits tracing flags */
471 #define P_PR_LOCK 0x0008 /* process locked by /proc */
472 #define P_PR_ASYNC 0x0010 /* asynchronous stopping via /proc */
473 #define P_PR_EXEC 0x0020 /* process is in exec() */
474 #define P_PR_BPTADJ 0x0040 /* adjust pc on breakpoint trap */
475 #define P_PR_RUNLCL 0x0080 /* set process running on last /proc close */
476 #define P_PR_KILLCL 0x0100 /* kill process on last /proc close */
481 * note that two of these flags, SMSACCT and SSYS, are exported to /proc's
482 * psinfo_t.p_flag field. Historically, all were, but since they are
483 * implementation dependant, we only export the ones people have come to
484 * rely upon. Hence, the bit positions of SSYS and SMSACCT should not be
487 #define SSYS 0x00000001 /* system (resident) process */
488 #define SEXITING 0x00000002 /* process is exiting */
489 #define SITBUSY 0x00000004 /* setitimer(ITIMER_REAL) in progress */
490 #define SFORKING 0x00000008 /* tells called functions that we're forking */
491 #define SWATCHOK 0x00000010 /* proc in acceptable state for watchpoints */
492 #define SKILLED 0x00000100 /* SIGKILL has been posted to the process */
493 #define SSCONT 0x00000200 /* SIGCONT has been posted to the process */
494 #define SZONETOP 0x00000400 /* process has no valid PPID in its zone */
495 #define SEXTKILLED 0x00000800 /* SKILLED is from another contract */
496 #define SUGID 0x00002000 /* process was result of set[ug]id exec */
497 #define SEXECED 0x00004000 /* this process has execed */
498 #define SJCTL 0x00010000 /* SIGCHLD sent when children stop/continue */
499 #define SNOWAIT 0x00020000 /* children never become zombies */
500 #define SVFORK 0x00040000 /* child of vfork that has not yet exec'd */
501 #define SVFWAIT 0x00080000 /* parent of vfork waiting for child to exec */
502 #define SEXITLWPS 0x00100000 /* have lwps exit within the process */
503 #define SHOLDFORK 0x00200000 /* hold lwps where they're cloneable */
504 #define SHOLDFORK1 0x00800000 /* hold lwps in place (not cloning) */
505 #define SCOREDUMP 0x01000000 /* process is dumping core */
506 #define SMSACCT 0x02000000 /* process is keeping micro-state accounting */
507 #define SLWPWRAP 0x04000000 /* process has wrapped its lwp ids */
508 #define SAUTOLPG 0x08000000 /* kernel controls page sizes */
509 #define SNOCD 0x10000000 /* new creds from VSxID, do not coredump */
510 #define SHOLDWATCH 0x20000000 /* hold lwps for watchpoint operation */
511 #define SMSFORK 0x40000000 /* child inherits micro-state accounting */
512 #define SDOCORE 0x80000000 /* process will attempt to dump core */
517 * These flags are used to synchronize with the pool subsystem to allow
518 * re-binding of processes to new pools.
520 #define PBWAIT 0x0001 /* process should wait outside fork/exec/exit */
521 #define PEXITED 0x0002 /* process exited and about to become zombie */
523 /* Macro to convert proc pointer to a user block pointer */
524 #define PTOU(p) (&(p)->p_user)
526 #define tracing(p, sig) (sigismember(&(p)->p_sigmask, sig))
528 /* Macro to reduce unnecessary calls to issig() */
530 #define ISSIG(t, why) ISSIG_FAST(t, ttolwp(t), ttoproc(t), why)
533 * Fast version of ISSIG.
534 * 1. uses register pointers to lwp and proc instead of reloading them.
535 * 2. uses bit-wise OR of tests, since the usual case is that none of them
536 * are true, this saves orcc's and branches.
537 * 3. load the signal flags instead of using sigisempty() macro which does
538 * a branch to convert to boolean.
540 #define ISSIG_FAST(t, lwp, p, why) \
541 (ISSIG_PENDING(t, lwp, p) && issig(why))
543 #define ISSIG_PENDING(t, lwp, p) \
544 ((lwp)->lwp_cursig | \
545 sigcheck((p), (t)) | \
547 (t)->t_dtrace_stop | \
548 (t)->t_dtrace_sig | \
549 ((t)->t_proc_flag & (TP_PRSTOP|TP_HOLDLWP|TP_CHKPT|TP_PAUSE)) | \
550 ((p)->p_flag & (SEXITLWPS|SKILLED|SHOLDFORK1|SHOLDWATCH)))
552 #define ISSTOP(sig) (u.u_signal[sig-1] == SIG_DFL && \
553 sigismember(&stopdefault, sig))
555 #define ISHOLD(p) ((p)->p_flag & SHOLDFORK)
557 #define MUSTRETURN(p, t) (ISHOLD(p) | (t)->t_activefd.a_stale)
560 * Determine if there are any watchpoints active in the process.
562 #define pr_watch_active(p) (avl_numnodes(&(p)->p_warea) != 0)
564 /* Reasons for calling issig() */
566 #define FORREAL 0 /* Usual side-effects */
567 #define JUSTLOOKING 1 /* Don't stop the process */
569 /* 'what' values for stop(PR_SUSPENDED, what) */
570 #define SUSPEND_NORMAL 0
571 #define SUSPEND_PAUSE 1
573 /* pseudo-flag to lwp_create() */
576 /* unused scheduling class ID */
577 #define CLASS_UNUSED (-2)
579 /* LWP stats updated via lwp_stats_update() */
587 typedef struct prkillinfo
{
588 int32_t prk_error
; /* errno */
589 int32_t prk_pad
; /* pad */
590 siginfo_t prk_info
; /* siginfo of killing signal */
595 /* user profiling functions */
597 extern void profil_tick(uintptr_t);
599 /* process management functions */
601 extern int newproc(void (*)(), caddr_t
, id_t
, int, struct contract
**, pid_t
);
602 extern void vfwait(pid_t
);
603 extern void proc_detach(proc_t
*);
604 extern void freeproc(proc_t
*);
605 extern void setrun(kthread_t
*);
606 extern void setrun_locked(kthread_t
*);
607 extern void exit(int, int);
608 extern int proc_exit(int, int);
609 extern void proc_is_exiting(proc_t
*);
610 extern void relvm(void);
611 extern void add_ns(proc_t
*, proc_t
*);
612 extern void delete_ns(proc_t
*, proc_t
*);
613 extern void upcount_inc(uid_t
, zoneid_t
);
614 extern void upcount_dec(uid_t
, zoneid_t
);
615 extern int upcount_get(uid_t
, zoneid_t
);
617 extern selector_t
setup_thrptr(proc_t
*, uintptr_t);
618 extern void deferred_singlestep_trap(caddr_t
);
621 extern void sigcld(proc_t
*, sigqueue_t
*);
622 extern void sigcld_delete(k_siginfo_t
*);
623 extern void sigcld_repost(void);
624 extern int fsig(k_sigset_t
*, kthread_t
*);
625 extern void psig(void);
626 extern void stop(int, int);
627 extern int stop_on_fault(uint_t
, k_siginfo_t
*);
628 extern int issig(int);
629 extern int jobstopped(proc_t
*);
630 extern void psignal(proc_t
*, int);
631 extern void tsignal(kthread_t
*, int);
632 extern void sigtoproc(proc_t
*, kthread_t
*, int);
633 extern void trapsig(k_siginfo_t
*, int);
634 extern void realsigprof(int, int, int);
635 extern int eat_signal(kthread_t
*, int);
636 extern int signal_is_blocked(kthread_t
*, int);
637 extern int sigcheck(proc_t
*, kthread_t
*);
638 extern void sigdefault(proc_t
*);
640 extern void pid_setmin(void);
641 extern pid_t
pid_allocate(proc_t
*, pid_t
, int);
642 extern int pid_rele(struct pid
*);
643 extern void pid_exit(proc_t
*, struct task
*);
644 extern void proc_entry_free(struct pid
*);
645 extern proc_t
*prfind(pid_t
);
646 extern proc_t
*prfind_zone(pid_t
, zoneid_t
);
647 extern proc_t
*pgfind(pid_t
);
648 extern proc_t
*pgfind_zone(pid_t
, zoneid_t
);
649 extern proc_t
*sprlock(pid_t
);
650 extern proc_t
*sprlock_zone(pid_t
, zoneid_t
);
651 extern int sprtrylock_proc(proc_t
*);
652 extern void sprwaitlock_proc(proc_t
*);
653 extern void sprlock_proc(proc_t
*);
654 extern void sprunlock(proc_t
*);
655 extern void pid_init(void);
656 extern proc_t
*pid_entry(int);
657 extern int pid_slot(proc_t
*);
658 extern void signal(pid_t
, int);
659 extern void prsignal(struct pid
*, int);
660 extern int uread(proc_t
*, void *, size_t, uintptr_t);
661 extern int uwrite(proc_t
*, void *, size_t, uintptr_t);
663 extern void pgsignal(struct pid
*, int);
664 extern void pgjoin(proc_t
*, struct pid
*);
665 extern void pgcreate(proc_t
*);
666 extern void pgexit(proc_t
*);
667 extern void pgdetach(proc_t
*);
668 extern int pgmembers(pid_t
);
670 extern void init_mstate(kthread_t
*, int);
671 extern int new_mstate(kthread_t
*, int);
672 extern void restore_mstate(kthread_t
*);
673 extern void term_mstate(kthread_t
*);
674 extern void estimate_msacct(kthread_t
*, hrtime_t
);
675 extern void disable_msacct(proc_t
*);
676 extern hrtime_t
mstate_aggr_state(proc_t
*, int);
677 extern hrtime_t
mstate_thread_onproc_time(kthread_t
*);
678 extern void mstate_systhread_times(kthread_t
*, hrtime_t
*, hrtime_t
*);
679 extern void syscall_mstate(int, int);
681 extern uint_t
cpu_update_pct(kthread_t
*, hrtime_t
);
683 extern void set_proc_pre_sys(proc_t
*p
);
684 extern void set_proc_post_sys(proc_t
*p
);
685 extern void set_proc_sys(proc_t
*p
);
686 extern void set_proc_ast(proc_t
*p
);
687 extern void set_all_proc_sys(void);
688 extern void set_all_zone_usr_proc_sys(zoneid_t
);
690 /* thread function prototypes */
692 extern kthread_t
*thread_create(
701 extern void thread_exit(void) __NORETURN
;
702 extern void thread_free(kthread_t
*);
703 extern void thread_rele(kthread_t
*);
704 extern void thread_join(kt_did_t
);
705 extern int reaper(void);
706 extern void installctx(kthread_t
*, void *, void (*)(), void (*)(),
707 void (*)(), void (*)(), void (*)(), void (*)());
708 extern int removectx(kthread_t
*, void *, void (*)(), void (*)(),
709 void (*)(), void (*)(), void (*)(), void (*)());
710 extern void savectx(kthread_t
*);
711 extern void restorectx(kthread_t
*);
712 extern void forkctx(kthread_t
*, kthread_t
*);
713 extern void lwp_createctx(kthread_t
*, kthread_t
*);
714 extern void exitctx(kthread_t
*);
715 extern void freectx(kthread_t
*, int);
716 extern void installpctx(proc_t
*, void *, void (*)(), void (*)(),
717 void (*)(), void (*)(), void (*)());
718 extern int removepctx(proc_t
*, void *, void (*)(), void (*)(),
719 void (*)(), void (*)(), void (*)());
720 extern void savepctx(proc_t
*);
721 extern void restorepctx(proc_t
*);
722 extern void forkpctx(proc_t
*, proc_t
*);
723 extern void exitpctx(proc_t
*);
724 extern void freepctx(proc_t
*, int);
725 extern kthread_t
*thread_unpin(void);
726 extern void thread_init(void);
727 extern void thread_load(kthread_t
*, void (*)(), caddr_t
, size_t);
729 extern void tsd_create(uint_t
*, void (*)(void *));
730 extern void tsd_destroy(uint_t
*);
731 extern void *tsd_getcreate(uint_t
*, void (*)(void *), void *(*)(void));
732 extern void *tsd_get(uint_t
);
733 extern int tsd_set(uint_t
, void *);
734 extern void tsd_exit(void);
735 extern void *tsd_agent_get(kthread_t
*, uint_t
);
736 extern int tsd_agent_set(kthread_t
*, uint_t
, void *);
738 /* lwp function prototypes */
740 extern kthread_t
*lwp_kernel_create(proc_t
*, void (*)(), void *, int, pri_t
);
741 extern klwp_t
*lwp_create(
748 const k_sigset_t
*smask
,
751 extern kthread_t
*idtot(proc_t
*, id_t
);
752 extern void lwp_hash_in(proc_t
*, lwpent_t
*, tidhash_t
*, uint_t
, int);
753 extern void lwp_hash_out(proc_t
*, id_t
);
754 extern lwpdir_t
*lwp_hash_lookup(proc_t
*, id_t
);
755 extern lwpdir_t
*lwp_hash_lookup_and_lock(proc_t
*, id_t
, kmutex_t
**);
756 extern void lwp_create_done(kthread_t
*);
757 extern void lwp_exit(void);
758 extern void lwp_pcb_exit(void);
759 extern void lwp_cleanup(void);
760 extern int lwp_suspend(kthread_t
*);
761 extern void lwp_continue(kthread_t
*);
762 extern void holdlwp(void);
763 extern void stoplwp(void);
764 extern int holdlwps(int);
765 extern int holdwatch(void);
766 extern void pokelwps(proc_t
*);
767 extern void continuelwps(proc_t
*);
768 extern int exitlwps(int);
769 extern void lwp_ctmpl_copy(klwp_t
*, klwp_t
*);
770 extern void lwp_ctmpl_clear(klwp_t
*);
771 extern klwp_t
*forklwp(klwp_t
*, proc_t
*, id_t
);
772 extern void lwp_load(klwp_t
*, gregset_t
, uintptr_t);
773 extern void lwp_setrval(klwp_t
*, int, int);
774 extern void lwp_forkregs(klwp_t
*, klwp_t
*);
775 extern void lwp_freeregs(klwp_t
*, int);
776 extern caddr_t
lwp_stk_init(klwp_t
*, caddr_t
);
777 extern void lwp_stk_cache_init(void);
778 extern void lwp_stk_fini(klwp_t
*);
779 extern void lwp_fp_init(klwp_t
*);
780 extern void lwp_installctx(klwp_t
*);
781 extern void lwp_rtt(void);
782 extern void lwp_rtt_initial(void);
783 extern int lwp_setprivate(klwp_t
*, int, uintptr_t);
784 extern void lwp_stat_update(lwp_stat_id_t
, long);
785 extern void lwp_attach_brand_hdlrs(klwp_t
*);
786 extern void lwp_detach_brand_hdlrs(klwp_t
*);
788 #if defined(__sparcv9)
789 extern void lwp_mmodel_newlwp(void);
790 extern void lwp_mmodel_shared_as(caddr_t
, size_t);
791 #define LWP_MMODEL_NEWLWP() lwp_mmodel_newlwp()
792 #define LWP_MMODEL_SHARED_AS(addr, sz) lwp_mmodel_shared_as((addr), (sz))
794 #define LWP_MMODEL_NEWLWP()
795 #define LWP_MMODEL_SHARED_AS(addr, sz)
799 * Signal queue function prototypes. Must be here due to header ordering
802 extern void sigqfree(proc_t
*);
803 extern void siginfofree(sigqueue_t
*);
804 extern void sigdeq(proc_t
*, kthread_t
*, int, sigqueue_t
**);
805 extern void sigdelq(proc_t
*, kthread_t
*, int);
806 extern void sigaddq(proc_t
*, kthread_t
*, k_siginfo_t
*, int);
807 extern void sigaddqa(proc_t
*, kthread_t
*, sigqueue_t
*);
808 extern void sigqsend(int, proc_t
*, kthread_t
*, sigqueue_t
*);
809 extern void sigdupq(proc_t
*, proc_t
*);
810 extern int sigwillqueue(int, int);
811 extern sigqhdr_t
*sigqhdralloc(size_t, uint_t
);
812 extern sigqueue_t
*sigqalloc(sigqhdr_t
*);
813 extern void sigqhdrfree(sigqhdr_t
*);
814 extern sigqueue_t
*sigappend(k_sigset_t
*, sigqueue_t
*,
815 k_sigset_t
*, sigqueue_t
*);
816 extern sigqueue_t
*sigprepend(k_sigset_t
*, sigqueue_t
*,
817 k_sigset_t
*, sigqueue_t
*);
818 extern void winfo(proc_t
*, k_siginfo_t
*, int);
819 extern int wstat(int, int);
820 extern int sendsig(int, k_siginfo_t
*, void (*)());
821 #if defined(_SYSCALL32_IMPL)
822 extern int sendsig32(int, k_siginfo_t
*, void (*)());
831 #endif /* _SYS_PROC_H */