Migrate allocation of proc structures from zones to kmalloc(). This gives us
[dragonfly.git] / sys / sys / proc.h
CommitLineData
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1/*-
2 * Copyright (c) 1986, 1989, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)proc.h 8.15 (Berkeley) 5/19/95
39 * $FreeBSD: src/sys/sys/proc.h,v 1.99.2.9 2003/06/06 20:21:32 tegge Exp $
fb2a331e 40 * $DragonFly: src/sys/sys/proc.h,v 1.116 2008/04/01 18:06:34 nth Exp $
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41 */
42
43#ifndef _SYS_PROC_H_
44#define _SYS_PROC_H_
45
05220613 46#if !defined(_KERNEL) && !defined(_KERNEL_STRUCTURES)
03d6a592 47
05220613 48#error "Userland must include sys/user.h instead of sys/proc.h"
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49
50#else
05220613 51
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52#include <sys/callout.h> /* For struct callout_handle. */
53#include <sys/filedesc.h>
54#include <sys/queue.h>
3e291793 55#include <sys/tree.h>
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56#include <sys/rtprio.h> /* For struct rtprio. */
57#include <sys/signal.h>
167e6ecb 58#include <sys/lock.h>
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59#ifndef _KERNEL
60#include <sys/time.h> /* For structs itimerval, timeval. */
61#endif
62#include <sys/ucred.h>
63#include <sys/event.h> /* For struct klist */
84b592ba 64#include <sys/thread.h>
98a7f915 65#include <sys/varsym.h>
a722be49 66#include <sys/upcall.h>
93328593 67#include <sys/resourcevar.h>
ec12abe0 68#ifdef _KERNEL
a2a5ad0d 69#include <sys/globaldata.h>
ec12abe0 70#endif
dcc99b62 71#include <sys/systimer.h>
a77ac49d 72#include <sys/usched.h>
3020e3be 73#include <machine/proc.h> /* Machine-dependent proc substruct. */
b1b4e5a6 74#include <sys/signalvar.h>
84b592ba 75
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76LIST_HEAD(proclist, proc);
77LIST_HEAD(lwplist, lwp);
78
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79struct lwp_rb_tree;
80RB_HEAD(lwp_rb_tree, lwp);
81RB_PROTOTYPE2(lwp_rb_tree, lwp, u.lwp_rbnode, rb_lwp_compare, lwpid_t);
82
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83/*
84 * One structure allocated per session.
85 */
86struct session {
87 int s_count; /* Ref cnt; pgrps in session. */
88 struct proc *s_leader; /* Session leader. */
89 struct vnode *s_ttyvp; /* Vnode of controlling terminal. */
90 struct tty *s_ttyp; /* Controlling terminal. */
91 pid_t s_sid; /* Session ID */
92 char s_login[roundup(MAXLOGNAME, sizeof(long))]; /* Setlogin() name. */
93};
94
95/*
96 * One structure allocated per process group.
97 */
98struct pgrp {
99 LIST_ENTRY(pgrp) pg_hash; /* Hash chain. */
70d3d461 100 struct proclist pg_members; /* Pointer to pgrp members. */
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101 struct session *pg_session; /* Pointer to session. */
102 struct sigiolst pg_sigiolst; /* List of sigio sources. */
103 pid_t pg_id; /* Pgrp id. */
104 int pg_jobc; /* # procs qualifying pgrp for job control */
167e6ecb 105 struct lock pg_lock; /* Lock during fork */
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106};
107
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108#define PS_NOCLDWAIT 0x0001 /* No zombies if child dies */
109#define PS_NOCLDSTOP 0x0002 /* No SIGCHLD when children stop. */
110
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111/*
112 * pargs, used to hold a copy of the command line, if it had a sane
113 * length
114 */
115struct pargs {
116 u_int ar_ref; /* Reference count */
117 u_int ar_length; /* Length */
118 u_char ar_args[0]; /* Arguments */
119};
120
121/*
122 * Description of a process.
123 *
124 * This structure contains the information needed to manage a thread of
125 * control, known in UN*X as a process; it has references to substructures
126 * containing descriptions of things that the process uses, but may share
127 * with related processes. The process structure and the substructures
128 * are always addressable except for those marked "(PROC ONLY)" below,
129 * which might be addressable only on a processor on which the process
130 * is running.
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131 *
132 * NOTE! The process start time is stored in the thread structure associated
133 * with the process. If the process is a Zombie, then this field will be
134 * inaccessible due to the thread structure being free'd in kern_wait1().
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135 */
136
137struct jail;
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138struct vkernel_proc;
139struct vkernel_lwp;
287ebb09 140struct vmspace_entry;
29f58392 141struct ktrace_node;
984263bc 142
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143enum lwpstat {
144 LSRUN = 1,
145 LSSTOP = 2,
146 LSSLEEP = 3,
147};
148
149enum procstat {
150 SIDL = 1,
151 SACTIVE = 2,
152 SSTOP = 3,
416d05d7 153 SZOMB = 4,
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154};
155
ef09c3ed 156struct lwp {
ef09c3ed 157 TAILQ_ENTRY(lwp) lwp_procq; /* run/sleep queue. */
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158 union {
159 RB_ENTRY(lwp) lwp_rbnode; /* RB tree node - lwp in proc */
160 LIST_ENTRY(lwp) lwp_reap_entry; /* reaper list */
161 } u;
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162
163 struct proc *lwp_proc; /* Link to our proc. */
287ebb09 164 struct vmspace *lwp_vmspace; /* Inherited from p_vmspace */
39005e16 165 struct vkernel_lwp *lwp_vkernel;/* VKernel support, lwp part */
ef09c3ed 166
8aee5efa 167 lwpid_t lwp_tid; /* Our thread id . */
ef09c3ed 168
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169 int lwp_flag; /* LWP_* flags. */
170 enum lwpstat lwp_stat; /* LS* lwp status. */
cc1d939b 171 int lwp_lock; /* lwp lock (prevent destruct) count */
ef09c3ed 172
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173 int lwp_dupfd; /* Sideways return value from fdopen. XXX */
174
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175 /*
176 * The following two fields are marked XXX since (at least) the
177 * 4.4BSD-Lite2 import. I can only guess the reason: It is ugly.
178 * These fields are used to pass the trap code from trapsignal() to
179 * postsig(), which gets called later from userret().
180 *
181 * The correct "fix" for these XXX is to convert our signal system
182 * to use signal queues, where each signal can carry its own meta
183 * data.
184 */
185 int lwp_sig; /* for core dump/debugger XXX */
186 u_long lwp_code; /* for core dump/debugger XXX */
187
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188 /*
189 * Scheduling.
190 */
191 sysclock_t lwp_cpticks; /* cpu used in sched clock ticks */
192 sysclock_t lwp_cpbase; /* Measurement base */
193 fixpt_t lwp_pctcpu; /* %cpu for this process */
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194 u_int lwp_slptime; /* Time since last blocked. */
195
196 int lwp_traceflag; /* Kernel trace points. */
197
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198 struct rusage lwp_ru; /* stats for this lwp */
199
ef09c3ed 200 union usched_data lwp_usdata; /* User scheduler specific */
ef09c3ed 201
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202#define lwp_startcopy lwp_cpumask
203 cpumask_t lwp_cpumask;
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204 sigset_t lwp_siglist; /* Signals arrived but not delivered. */
205 sigset_t lwp_oldsigmask; /* saved mask from before sigpause */
206 sigset_t lwp_sigmask; /* Current signal mask. */
207 stack_t lwp_sigstk; /* sp & on stack state variable */
208
209 struct rtprio lwp_rtprio; /* Realtime priority. */
210#define lwp_endcopy lwp_md
211
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212 struct mdproc lwp_md; /* Any machine-dependent fields. */
213
214 struct thread *lwp_thread; /* backpointer to proc's thread */
215 struct upcall *lwp_upcall; /* REGISTERED USERLAND POINTER! */
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216};
217
984263bc 218struct proc {
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219 LIST_ENTRY(proc) p_list; /* List of all processes. */
220
221 /* substructures: */
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222 struct ucred *p_ucred; /* Process owner's identity. */
223 struct filedesc *p_fd; /* Ptr to open files structure. */
ef09c3ed 224 struct filedesc_to_leader *p_fdtol; /* Ptr to tracking node XXX lwp */
c46d7673 225 struct plimit *p_limit; /* Process limits. */
08f2f1bb 226 struct pstats *p_stats;
c46d7673 227 void *p_pad0;
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228 struct sigacts *p_sigacts;
229#define p_sigignore p_sigacts->ps_sigignore
230#define p_sigcatch p_sigacts->ps_sigcatch
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231#define p_rlimit p_limit->pl_rlimit
232
c46d7673 233 int p_flag; /* P_* flags. */
164b8401 234 enum procstat p_stat; /* S* process status. */
c46d7673 235 char p_pad1[3];
984263bc 236
c46d7673 237 pid_t p_pid; /* Process identifier. */
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238 LIST_ENTRY(proc) p_hash; /* Hash chain. */
239 LIST_ENTRY(proc) p_pglist; /* List of processes in pgrp. */
c46d7673 240 struct proc *p_pptr; /* Pointer to parent process. */
984263bc 241 LIST_ENTRY(proc) p_sibling; /* List of sibling processes. */
70d3d461 242 struct proclist p_children; /* Pointer to list of children. */
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243 struct callout p_ithandle; /* for scheduling p_realtimer */
244 struct varsymset p_varsymset;
984263bc 245
c46d7673 246 pid_t p_oppid; /* Save parent pid during ptrace. XXX */
984263bc 247
d3313941 248 struct vmspace *p_vmspace; /* Current address space. */
984263bc 249
08f2f1bb 250 unsigned int p_swtime; /* Time swapped in or out */
984263bc 251
c46d7673 252 struct itimerval p_realtimer; /* Alarm timer. */
ef09c3ed 253 struct itimerval p_timer[3]; /* Virtual-time timers. */
984263bc 254
c46d7673 255 int p_traceflag; /* Kernel trace points. */
29f58392 256 struct ktrace_node *p_tracenode; /* Trace to vnode. */
984263bc 257
c46d7673 258 sigset_t p_siglist; /* Signals arrived but not delivered. */
984263bc 259
c46d7673 260 struct vnode *p_textvp; /* Vnode of executable. */
984263bc 261
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262 unsigned int p_stops; /* procfs event bitmask */
263 unsigned int p_stype; /* procfs stop event type */
c46d7673 264 char p_step; /* procfs stop *once* flag */
984263bc 265 unsigned char p_pfsflags; /* procfs flags */
352f5709 266 char p_pad2[2]; /* padding for alignment */
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267 struct sigiolst p_sigiolst; /* list of sigio sources */
268 int p_sigparent; /* signal to parent on exit */
c46d7673 269 struct klist p_klist; /* knotes attached to this process */
984263bc 270
ef09c3ed 271 struct timeval p_start; /* start time for a process */
ef09c3ed 272
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273 struct rusage p_ru; /* stats for this proc */
274 struct rusage p_cru; /* sum of stats for reaped children */
275
984263bc 276/* The following fields are all copied upon creation in fork. */
2966ed3e 277#define p_startcopy p_comm
984263bc 278
ef09c3ed 279 char p_comm[MAXCOMLEN+1]; /* typ 16+1 bytes */
cc1d939b 280 char p_lock; /* Process lock (prevent destruct) count. */
c46d7673 281 char p_nice; /* Process "nice" value. */
2966ed3e 282 char p_pad3;
984263bc 283
c46d7673 284 struct pgrp *p_pgrp; /* Pointer to process group. */
984263bc 285
c46d7673 286 struct sysentvec *p_sysent; /* System call dispatch information. */
984263bc 287
93328593 288 struct uprof p_prof; /* Profiling arguments. */
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289 struct rtprio p_rtprio; /* Realtime priority. */
290 struct pargs *p_args;
984263bc 291/* End area that is copied on creation. */
b1b4e5a6 292#define p_endcopy p_xstat
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293
294 u_short p_xstat; /* Exit status or last stop signal */
295 u_short p_acflag; /* Accounting flags. */
c46d7673 296
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297 int p_nthreads; /* Number of threads in this process. */
298 int p_nstopped; /* Number of stopped threads. */
299 int p_lasttid; /* Last tid used. */
3e291793 300 struct lwp_rb_tree p_lwp_tree; /* RB tree of LWPs for this process */
c46d7673 301 void *p_aioinfo; /* ASYNC I/O info */
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302 int p_wakeup; /* thread id XXX lwp */
303 struct proc *p_peers; /* XXX lwp */
304 struct proc *p_leader; /* XXX lwp */
c46d7673 305 void *p_emuldata; /* process-specific emulator state */
c46d7673 306 struct usched *p_usched; /* Userland scheduling control */
39005e16 307 struct vkernel_proc *p_vkernel; /* VKernel support, proc part */
c46d7673 308 int p_numposixlocks; /* number of POSIX locks */
ef09c3ed 309
c0b8a06d 310 struct spinlock p_spin; /* Spinlock for LWP access to proc */
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311};
312
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313#define lwp_wchan lwp_thread->td_wchan
314#define lwp_wmesg lwp_thread->td_wmesg
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315#define p_session p_pgrp->pg_session
316#define p_pgid p_pgrp->pg_id
317
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318/* These flags are kept in p_flags. */
319#define P_ADVLOCK 0x00001 /* Process may hold a POSIX advisory lock. */
320#define P_CONTROLT 0x00002 /* Has a controlling terminal. */
344ad853 321#define P_SWAPPEDOUT 0x00004 /* Swapped out of memory */
9a379a4a 322#define P_UNUSED3 0x00008 /* was: Event pending, break tsleep on sigcont */
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323#define P_PPWAIT 0x00010 /* Parent is waiting for child to exec/exit. */
324#define P_PROFIL 0x00020 /* Has started profiling. */
8067b633 325#define P_UNUSED5 0x00040 /* was: Selecting; wakeup/waiting danger. */
9a379a4a 326#define P_UNUSED4 0x00080 /* was: Sleep is interruptible. */
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327#define P_SUGID 0x00100 /* Had set id privileges since last exec. */
328#define P_SYSTEM 0x00200 /* System proc: no sigs, stats or swapping. */
164b8401 329#define P_UNUSED2 0x00400 /* was: SIGSTOP status */
984263bc 330#define P_TRACED 0x00800 /* Debugged process being traced. */
344ad853 331#define P_WAITED 0x01000 /* SIGSTOP status was returned by wait3/4 */
e3161323 332#define P_WEXIT 0x02000 /* Working on exiting (master exit) */
984263bc 333#define P_EXEC 0x04000 /* Process called exec. */
cc162105 334#define P_CONTINUED 0x08000 /* Proc has continued from a stopped state. */
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335
336/* Should probably be changed into a hold count. */
337/* was P_NOSWAP 0x08000 was: Do not swap upages; p->p_hold */
7c1212ec 338#define P_MAILBOX 0x10000 /* Possible mailbox signal pending */
984263bc 339
a722be49 340#define P_UPCALLPEND 0x20000 /* an upcall is pending */
984263bc 341
344ad853 342#define P_SWAPWAIT 0x40000 /* Waiting for a swapin */
416d05d7 343#define P_UNUSED6 0x80000 /* was: Now in a zombied state */
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344
345/* Marked a kernel thread */
9388413d 346#define P_UNUSED07 0x100000 /* was: on a user scheduling run queue */
984263bc 347#define P_KTHREADP 0x200000 /* Process is really a kernel thread */
344ad853 348#define P_IDLESWAP 0x400000 /* Swapout was due to idleswap, not load */
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349#define P_DEADLKTREAT 0x800000 /* lock aquisition - deadlock treatment */
350
351#define P_JAILED 0x1000000 /* Process is in jail */
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352#define P_UNUSED0 0x2000000 /* need to restore mask before pause */
353#define P_UNUSED1 0x4000000 /* have alternate signal stack */
984263bc 354#define P_INEXEC 0x8000000 /* Process is in execve(). */
d9eea1a5 355#define P_PASSIVE_ACQ 0x10000000 /* Passive acquire cpu (see kern_switch) */
fe8c5e17 356#define P_UPCALLWAIT 0x20000000 /* Wait for upcall or signal */
c0b8a06d 357#define P_XCPU 0x40000000 /* SIGXCPU */
984263bc 358
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359/*
360 * LWP_WSTOP: When set the thread will stop prior to return to userland
361 * and has been counted in the process stop-threads-count, but
362 * may still be running in kernel-land.
363 *
364 * LWP_WEXIT: When set the thread has been asked to exit and will not return
365 * to userland. p_nthreads will not be decremented until the
366 * thread has actually exited.
367 */
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368#define LWP_ALTSTACK 0x0000001 /* have alternate signal stack */
369#define LWP_OLDMASK 0x0000002 /* need to restore mask before pause */
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370#define LWP_BREAKTSLEEP 0x0000004 /* Event pending, break tsleep on sigcont */
371#define LWP_SINTR 0x0000008 /* Sleep is interruptible. */
8067b633 372#define LWP_SELECT 0x0000010 /* Selecting; wakeup/waiting danger. */
9388413d 373#define LWP_ONRUNQ 0x0000020 /* on a user scheduling run queue */
70d3d461 374#define LWP_WEXIT 0x0000040 /* working on exiting */
f33e8653 375#define LWP_WSTOP 0x0000080 /* working on stopping */
08f2f1bb 376
3e291793 377#define FIRST_LWP_IN_PROC(p) RB_FIRST(lwp_rb_tree, &(p)->p_lwp_tree)
fde7ac71 378#define FOREACH_LWP_IN_PROC(lp, p) \
3e291793 379 RB_FOREACH(lp, lwp_rb_tree, &(p)->p_lwp_tree)
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380#define ONLY_LWP_IN_PROC(p) \
381 (p->p_nthreads != 1 && \
382 (panic("%s: proc %p (pid %d cmd %s) has more than one thread", \
383 __func__, p, p->p_pid, p->p_comm), 1), \
3e291793 384 RB_ROOT(&p->p_lwp_tree))
fde7ac71 385
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386/*
387 * We use process IDs <= PID_MAX; PID_MAX + 1 must also fit in a pid_t,
388 * as it is used to represent "no process group".
389 */
390#define PID_MAX 99999
391#define NO_PID 100000
392
393#define SESS_LEADER(p) ((p)->p_session->s_leader == (p))
394
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395#ifdef _KERNEL
396
397#ifdef MALLOC_DECLARE
398MALLOC_DECLARE(M_SESSION);
fb2a331e 399MALLOC_DECLARE(M_PROC);
984263bc 400MALLOC_DECLARE(M_SUBPROC);
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401MALLOC_DECLARE(M_PARGS);
402#endif
403
404/* flags for suser_xxx() */
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405#define PRISON_ROOT 0x1
406#define NULL_CRED_OKAY 0x2
984263bc 407
95db0b6a 408/* Handy macro to determine if p1 can mangle p2 */
984263bc 409
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410#define PRISON_CHECK(cr1, cr2) \
411 ((!(cr1)->cr_prison) || (cr1)->cr_prison == (cr2)->cr_prison)
984263bc 412
984263bc 413/*
8a8d5d85 414 * STOPEVENT
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415 */
416extern void stopevent(struct proc*, unsigned int, unsigned int);
417#define STOPEVENT(p,e,v) \
418 do { \
419 if ((p)->p_stops & (e)) { \
984263bc 420 stopevent(p,e,v); \
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421 } \
422 } while (0)
423
cc1d939b 424/* hold process in memory, don't destruct , normally for ptrace/procfs work */
344ad853 425#define PHOLD(p) (++(p)->p_lock)
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426#define PRELE(p) (--(p)->p_lock)
427
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428/* hold lwp in memory, don't destruct , normally for ptrace/procfs work */
429#define LWPHOLD(lp) (++(lp)->lwp_lock)
430#define LWPRELE(lp) (--(lp)->lwp_lock)
431
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432#define PIDHASH(pid) (&pidhashtbl[(pid) & pidhash])
433extern LIST_HEAD(pidhashhead, proc) *pidhashtbl;
434extern u_long pidhash;
435
436#define PGRPHASH(pgid) (&pgrphashtbl[(pgid) & pgrphash])
437extern LIST_HEAD(pgrphashhead, pgrp) *pgrphashtbl;
438extern u_long pgrphash;
439
84b592ba 440#if 0
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441#ifndef SET_CURPROC
442#define SET_CURPROC(p) (curproc = (p))
443#endif
984263bc 444#endif
84b592ba 445
984263bc 446extern struct proc proc0; /* Process slot for swapper. */
08f2f1bb 447extern struct lwp lwp0; /* LWP slot for swapper. */
b7c628e4 448extern struct thread thread0; /* Thread slot for swapper. */
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449extern int hogticks; /* Limit on kernel cpu hogs. */
450extern int nprocs, maxproc; /* Current and max number of procs. */
451extern int maxprocperuid; /* Max procs per uid. */
452extern int sched_quantum; /* Scheduling quantum in ticks */
453
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454extern struct proclist allproc; /* List of all processes. */
455extern struct proclist zombproc; /* List of zombie processes. */
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456extern struct proc *initproc; /* Process slot for init */
457extern struct thread *pagethread, *updatethread;
984263bc 458
984263bc 459/*
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460 * Scheduler independant variables. The primary scheduler polling frequency,
461 * the maximum ESTCPU value, and the weighting factor for nice values. A
462 * cpu bound program's estcpu will increase to ESTCPUMAX - 1.
984263bc 463 */
a46fac56 464#define ESTCPUFREQ 50
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465
466extern u_long ps_arg_cache_limit;
467extern int ps_argsopen;
28c57d20 468extern int ps_showallprocs;
984263bc 469
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470struct proc *pfind (pid_t); /* Find process by id. */
471struct pgrp *pgfind (pid_t); /* Find process group by id. */
472struct proc *zpfind (pid_t); /* Find zombie process by id. */
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473
474struct vm_zone;
a2a5ad0d 475struct globaldata;
91bd9c1e 476struct lwp_params;
984263bc 477extern struct vm_zone *proc_zone;
08f2f1bb 478extern struct vm_zone *lwp_zone;
984263bc 479
b153f746 480int enterpgrp (struct proc *p, pid_t pgid, int mksess);
51e64ff2 481void proc_add_allproc(struct proc *p);
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482void proc_move_allproc_zombie(struct proc *);
483void proc_remove_zombie(struct proc *);
484void allproc_scan(int (*callback)(struct proc *, void *), void *data);
c7e98b2f 485void alllwp_scan(int (*callback)(struct lwp *, void *), void *data);
5bf0d9b5 486void zombproc_scan(int (*callback)(struct proc *, void *), void *data);
b153f746 487void fixjobc (struct proc *p, struct pgrp *pgrp, int entering);
553ea3c8 488void updatepcpu(struct lwp *, int, int);
b153f746
RG
489int inferior (struct proc *p);
490int leavepgrp (struct proc *p);
8b90699b
MD
491void sess_hold(struct session *sp);
492void sess_rele(struct session *sp);
b153f746 493void procinit (void);
26a0694b 494void relscurproc(struct proc *curp);
b153f746 495int p_trespass (struct ucred *cr1, struct ucred *cr2);
9a379a4a 496void setrunnable (struct lwp *);
f33e8653 497void proc_stop (struct proc *);
9a379a4a 498void proc_unstop (struct proc *);
fc17ad60 499void sleep_gdinit (struct globaldata *);
b153f746 500int suser (struct thread *td);
b153f746 501int suser_cred (struct ucred *cred, int flag);
b153f746
RG
502void cpu_heavy_switch (struct thread *);
503void cpu_lwkt_switch (struct thread *);
b153f746 504
c6880072 505void cpu_lwp_exit (void) __dead2;
b153f746 506void cpu_thread_exit (void) __dead2;
e3161323 507void lwp_exit (int masterexit) __dead2;
c6880072 508void lwp_dispose (struct lwp *);
dc52e1cc 509int killalllwps (int);
b153f746 510void exit1 (int) __dead2;
bb3cd951 511void cpu_fork (struct lwp *, struct lwp *, int);
91bd9c1e
SS
512int cpu_prepare_lwp(struct lwp *, struct lwp_params *);
513void cpu_set_fork_handler (struct lwp *, void (*)(void *, struct trapframe *), void *);
0cfcada1 514void cpu_set_thread_handler(struct thread *td, void (*retfunc)(void), void *func, void *arg);
553ea3c8
SS
515int fork1 (struct lwp *, int, struct proc **);
516void start_forked_proc (struct lwp *, struct proc *);
b153f746
RG
517int trace_req (struct proc *);
518void cpu_proc_wait (struct proc *);
519void cpu_thread_wait (struct thread *);
b153f746
RG
520void setsugid (void);
521void faultin (struct proc *p);
344ad853 522void swapin_request (void);
984263bc 523
b153f746 524u_int32_t procrunnable (void);
984263bc
MD
525
526#endif /* _KERNEL */
527
03d6a592 528#endif /* _KERNEL || _KERNEL_STRUCTURES */
984263bc 529#endif /* !_SYS_PROC_H_ */