mqueues: Port POSIX message queues from NetBSD.
[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 $
28a93126 40 * $DragonFly: src/sys/sys/proc.h,v 1.121 2008/07/23 17:22:33 dillon 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 */
0855a2af 64#include <sys/sysent.h> /* For struct sysentvec */
84b592ba 65#include <sys/thread.h>
98a7f915 66#include <sys/varsym.h>
a722be49 67#include <sys/upcall.h>
93328593 68#include <sys/resourcevar.h>
ec12abe0 69#ifdef _KERNEL
a2a5ad0d 70#include <sys/globaldata.h>
ec12abe0 71#endif
dcc99b62 72#include <sys/systimer.h>
c4df9635 73#include <sys/iosched.h>
a77ac49d 74#include <sys/usched.h>
3020e3be 75#include <machine/proc.h> /* Machine-dependent proc substruct. */
acf2a718 76#include <machine/atomic.h> /* Machine-dependent proc substruct. */
b1b4e5a6 77#include <sys/signalvar.h>
84b592ba 78
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79LIST_HEAD(proclist, proc);
80LIST_HEAD(lwplist, lwp);
81
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82struct lwp_rb_tree;
83RB_HEAD(lwp_rb_tree, lwp);
84RB_PROTOTYPE2(lwp_rb_tree, lwp, u.lwp_rbnode, rb_lwp_compare, lwpid_t);
85
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86/*
87 * One structure allocated per session.
88 */
89struct session {
90 int s_count; /* Ref cnt; pgrps in session. */
91 struct proc *s_leader; /* Session leader. */
92 struct vnode *s_ttyvp; /* Vnode of controlling terminal. */
93 struct tty *s_ttyp; /* Controlling terminal. */
94 pid_t s_sid; /* Session ID */
95 char s_login[roundup(MAXLOGNAME, sizeof(long))]; /* Setlogin() name. */
96};
97
98/*
99 * One structure allocated per process group.
100 */
101struct pgrp {
102 LIST_ENTRY(pgrp) pg_hash; /* Hash chain. */
70d3d461 103 struct proclist pg_members; /* Pointer to pgrp members. */
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104 struct session *pg_session; /* Pointer to session. */
105 struct sigiolst pg_sigiolst; /* List of sigio sources. */
106 pid_t pg_id; /* Pgrp id. */
107 int pg_jobc; /* # procs qualifying pgrp for job control */
167e6ecb 108 struct lock pg_lock; /* Lock during fork */
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109};
110
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111#define PS_NOCLDWAIT 0x0001 /* No zombies if child dies */
112#define PS_NOCLDSTOP 0x0002 /* No SIGCHLD when children stop. */
113
114/*
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115 * pargs, used to hold a copy of the command line, if it had a sane
116 * length
117 */
118struct pargs {
119 u_int ar_ref; /* Reference count */
120 u_int ar_length; /* Length */
121 u_char ar_args[0]; /* Arguments */
122};
123
124/*
125 * Description of a process.
126 *
127 * This structure contains the information needed to manage a thread of
128 * control, known in UN*X as a process; it has references to substructures
129 * containing descriptions of things that the process uses, but may share
130 * with related processes. The process structure and the substructures
131 * are always addressable except for those marked "(PROC ONLY)" below,
132 * which might be addressable only on a processor on which the process
133 * is running.
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134 *
135 * NOTE! The process start time is stored in the thread structure associated
136 * with the process. If the process is a Zombie, then this field will be
137 * inaccessible due to the thread structure being free'd in kern_wait1().
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138 */
139
140struct jail;
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141struct vkernel_proc;
142struct vkernel_lwp;
287ebb09 143struct vmspace_entry;
29f58392 144struct ktrace_node;
984263bc 145
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146enum lwpstat {
147 LSRUN = 1,
148 LSSTOP = 2,
149 LSSLEEP = 3,
150};
151
152enum procstat {
153 SIDL = 1,
154 SACTIVE = 2,
155 SSTOP = 3,
416d05d7 156 SZOMB = 4,
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157};
158
ef09c3ed 159struct lwp {
ef09c3ed 160 TAILQ_ENTRY(lwp) lwp_procq; /* run/sleep queue. */
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161 union {
162 RB_ENTRY(lwp) lwp_rbnode; /* RB tree node - lwp in proc */
163 LIST_ENTRY(lwp) lwp_reap_entry; /* reaper list */
164 } u;
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165
166 struct proc *lwp_proc; /* Link to our proc. */
287ebb09 167 struct vmspace *lwp_vmspace; /* Inherited from p_vmspace */
39005e16 168 struct vkernel_lwp *lwp_vkernel;/* VKernel support, lwp part */
ef09c3ed 169
8aee5efa 170 lwpid_t lwp_tid; /* Our thread id . */
ef09c3ed 171
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172 int lwp_flag; /* LWP_* flags. */
173 enum lwpstat lwp_stat; /* LS* lwp status. */
cc1d939b 174 int lwp_lock; /* lwp lock (prevent destruct) count */
ef09c3ed 175
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176 int lwp_dupfd; /* Sideways return value from fdopen. XXX */
177
178 /*
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179 * The following two fields are marked XXX since (at least) the
180 * 4.4BSD-Lite2 import. I can only guess the reason: It is ugly.
181 * These fields are used to pass the trap code from trapsignal() to
182 * postsig(), which gets called later from userret().
183 *
184 * The correct "fix" for these XXX is to convert our signal system
185 * to use signal queues, where each signal can carry its own meta
186 * data.
187 */
188 int lwp_sig; /* for core dump/debugger XXX */
189 u_long lwp_code; /* for core dump/debugger XXX */
190
191 /*
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192 * Scheduling.
193 */
194 sysclock_t lwp_cpticks; /* cpu used in sched clock ticks */
195 sysclock_t lwp_cpbase; /* Measurement base */
196 fixpt_t lwp_pctcpu; /* %cpu for this process */
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197 u_int lwp_slptime; /* Time since last blocked. */
198
199 int lwp_traceflag; /* Kernel trace points. */
200
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201 struct rusage lwp_ru; /* stats for this lwp */
202
ef09c3ed 203 union usched_data lwp_usdata; /* User scheduler specific */
ef09c3ed 204
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205#define lwp_startcopy lwp_cpumask
206 cpumask_t lwp_cpumask;
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207 sigset_t lwp_siglist; /* Signals arrived but not delivered. */
208 sigset_t lwp_oldsigmask; /* saved mask from before sigpause */
209 sigset_t lwp_sigmask; /* Current signal mask. */
210 stack_t lwp_sigstk; /* sp & on stack state variable */
211
212 struct rtprio lwp_rtprio; /* Realtime priority. */
213#define lwp_endcopy lwp_md
214
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215 struct mdproc lwp_md; /* Any machine-dependent fields. */
216
217 struct thread *lwp_thread; /* backpointer to proc's thread */
218 struct upcall *lwp_upcall; /* REGISTERED USERLAND POINTER! */
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219};
220
984263bc 221struct proc {
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222 LIST_ENTRY(proc) p_list; /* List of all processes. */
223
224 /* substructures: */
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225 struct ucred *p_ucred; /* Process owner's identity. */
226 struct filedesc *p_fd; /* Ptr to open files structure. */
ef09c3ed 227 struct filedesc_to_leader *p_fdtol; /* Ptr to tracking node XXX lwp */
c46d7673 228 struct plimit *p_limit; /* Process limits. */
08f2f1bb 229 struct pstats *p_stats;
f2df0f7c 230 u_int p_mqueue_cnt; /* Count of open mqueues. */
c46d7673 231 void *p_pad0;
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232 struct sigacts *p_sigacts;
233#define p_sigignore p_sigacts->ps_sigignore
234#define p_sigcatch p_sigacts->ps_sigcatch
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235#define p_rlimit p_limit->pl_rlimit
236
c46d7673 237 int p_flag; /* P_* flags. */
164b8401 238 enum procstat p_stat; /* S* process status. */
c46d7673 239 char p_pad1[3];
984263bc 240
c46d7673 241 pid_t p_pid; /* Process identifier. */
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242 LIST_ENTRY(proc) p_hash; /* Hash chain. */
243 LIST_ENTRY(proc) p_pglist; /* List of processes in pgrp. */
c46d7673 244 struct proc *p_pptr; /* Pointer to parent process. */
984263bc 245 LIST_ENTRY(proc) p_sibling; /* List of sibling processes. */
70d3d461 246 struct proclist p_children; /* Pointer to list of children. */
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247 struct callout p_ithandle; /* for scheduling p_realtimer */
248 struct varsymset p_varsymset;
c4df9635 249 struct iosched_data p_iosdata; /* Dynamic I/O scheduling data */
984263bc 250
c46d7673 251 pid_t p_oppid; /* Save parent pid during ptrace. XXX */
984263bc 252
d3313941 253 struct vmspace *p_vmspace; /* Current address space. */
984263bc 254
08f2f1bb 255 unsigned int p_swtime; /* Time swapped in or out */
984263bc 256
c46d7673 257 struct itimerval p_realtimer; /* Alarm timer. */
ef09c3ed 258 struct itimerval p_timer[3]; /* Virtual-time timers. */
984263bc 259
c46d7673 260 int p_traceflag; /* Kernel trace points. */
29f58392 261 struct ktrace_node *p_tracenode; /* Trace to vnode. */
984263bc 262
c46d7673 263 sigset_t p_siglist; /* Signals arrived but not delivered. */
984263bc 264
c46d7673 265 struct vnode *p_textvp; /* Vnode of executable. */
984263bc 266
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267 unsigned int p_stops; /* procfs event bitmask */
268 unsigned int p_stype; /* procfs stop event type */
c46d7673 269 char p_step; /* procfs stop *once* flag */
984263bc 270 unsigned char p_pfsflags; /* procfs flags */
352f5709 271 char p_pad2[2]; /* padding for alignment */
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272 struct sigiolst p_sigiolst; /* list of sigio sources */
273 int p_sigparent; /* signal to parent on exit */
c46d7673 274 struct klist p_klist; /* knotes attached to this process */
984263bc 275
ef09c3ed 276 struct timeval p_start; /* start time for a process */
ef09c3ed 277
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278 struct rusage p_ru; /* stats for this proc */
279 struct rusage p_cru; /* sum of stats for reaped children */
280
984263bc 281/* The following fields are all copied upon creation in fork. */
2966ed3e 282#define p_startcopy p_comm
984263bc 283
ef09c3ed 284 char p_comm[MAXCOMLEN+1]; /* typ 16+1 bytes */
cc1d939b 285 char p_lock; /* Process lock (prevent destruct) count. */
c46d7673 286 char p_nice; /* Process "nice" value. */
2966ed3e 287 char p_pad3;
984263bc 288
c46d7673 289 struct pgrp *p_pgrp; /* Pointer to process group. */
984263bc 290
c46d7673 291 struct sysentvec *p_sysent; /* System call dispatch information. */
984263bc 292
93328593 293 struct uprof p_prof; /* Profiling arguments. */
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294 struct rtprio p_rtprio; /* Realtime priority. */
295 struct pargs *p_args;
984263bc 296/* End area that is copied on creation. */
b1b4e5a6 297#define p_endcopy p_xstat
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298
299 u_short p_xstat; /* Exit status or last stop signal */
300 u_short p_acflag; /* Accounting flags. */
c46d7673 301
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302 int p_nthreads; /* Number of threads in this process. */
303 int p_nstopped; /* Number of stopped threads. */
304 int p_lasttid; /* Last tid used. */
3e291793 305 struct lwp_rb_tree p_lwp_tree; /* RB tree of LWPs for this process */
c46d7673 306 void *p_aioinfo; /* ASYNC I/O info */
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307 int p_wakeup; /* thread id XXX lwp */
308 struct proc *p_peers; /* XXX lwp */
309 struct proc *p_leader; /* XXX lwp */
c46d7673 310 void *p_emuldata; /* process-specific emulator state */
c46d7673 311 struct usched *p_usched; /* Userland scheduling control */
39005e16 312 struct vkernel_proc *p_vkernel; /* VKernel support, proc part */
c46d7673 313 int p_numposixlocks; /* number of POSIX locks */
ef09c3ed 314
c0b8a06d 315 struct spinlock p_spin; /* Spinlock for LWP access to proc */
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316};
317
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318#define lwp_wchan lwp_thread->td_wchan
319#define lwp_wmesg lwp_thread->td_wmesg
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320#define p_session p_pgrp->pg_session
321#define p_pgid p_pgrp->pg_id
322
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323/* These flags are kept in p_flags. */
324#define P_ADVLOCK 0x00001 /* Process may hold a POSIX advisory lock. */
325#define P_CONTROLT 0x00002 /* Has a controlling terminal. */
344ad853 326#define P_SWAPPEDOUT 0x00004 /* Swapped out of memory */
9a379a4a 327#define P_UNUSED3 0x00008 /* was: Event pending, break tsleep on sigcont */
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328#define P_PPWAIT 0x00010 /* Parent is waiting for child to exec/exit. */
329#define P_PROFIL 0x00020 /* Has started profiling. */
8067b633 330#define P_UNUSED5 0x00040 /* was: Selecting; wakeup/waiting danger. */
9a379a4a 331#define P_UNUSED4 0x00080 /* was: Sleep is interruptible. */
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332#define P_SUGID 0x00100 /* Had set id privileges since last exec. */
333#define P_SYSTEM 0x00200 /* System proc: no sigs, stats or swapping. */
164b8401 334#define P_UNUSED2 0x00400 /* was: SIGSTOP status */
984263bc 335#define P_TRACED 0x00800 /* Debugged process being traced. */
344ad853 336#define P_WAITED 0x01000 /* SIGSTOP status was returned by wait3/4 */
e3161323 337#define P_WEXIT 0x02000 /* Working on exiting (master exit) */
984263bc 338#define P_EXEC 0x04000 /* Process called exec. */
cc162105 339#define P_CONTINUED 0x08000 /* Proc has continued from a stopped state. */
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340
341/* Should probably be changed into a hold count. */
342/* was P_NOSWAP 0x08000 was: Do not swap upages; p->p_hold */
7c1212ec 343#define P_MAILBOX 0x10000 /* Possible mailbox signal pending */
984263bc 344
a722be49 345#define P_UPCALLPEND 0x20000 /* an upcall is pending */
984263bc 346
344ad853 347#define P_SWAPWAIT 0x40000 /* Waiting for a swapin */
416d05d7 348#define P_UNUSED6 0x80000 /* was: Now in a zombied state */
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349
350/* Marked a kernel thread */
9388413d 351#define P_UNUSED07 0x100000 /* was: on a user scheduling run queue */
984263bc 352#define P_KTHREADP 0x200000 /* Process is really a kernel thread */
344ad853 353#define P_IDLESWAP 0x400000 /* Swapout was due to idleswap, not load */
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354#define P_DEADLKTREAT 0x800000 /* lock aquisition - deadlock treatment */
355
356#define P_JAILED 0x1000000 /* Process is in jail */
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357#define P_UNUSED0 0x2000000 /* need to restore mask before pause */
358#define P_UNUSED1 0x4000000 /* have alternate signal stack */
984263bc 359#define P_INEXEC 0x8000000 /* Process is in execve(). */
d9eea1a5 360#define P_PASSIVE_ACQ 0x10000000 /* Passive acquire cpu (see kern_switch) */
fe8c5e17 361#define P_UPCALLWAIT 0x20000000 /* Wait for upcall or signal */
c0b8a06d 362#define P_XCPU 0x40000000 /* SIGXCPU */
984263bc 363
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364/*
365 * LWP_WSTOP: When set the thread will stop prior to return to userland
366 * and has been counted in the process stop-threads-count, but
367 * may still be running in kernel-land.
368 *
369 * LWP_WEXIT: When set the thread has been asked to exit and will not return
370 * to userland. p_nthreads will not be decremented until the
371 * thread has actually exited.
372 */
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373#define LWP_ALTSTACK 0x0000001 /* have alternate signal stack */
374#define LWP_OLDMASK 0x0000002 /* need to restore mask before pause */
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375#define LWP_BREAKTSLEEP 0x0000004 /* Event pending, break tsleep on sigcont */
376#define LWP_SINTR 0x0000008 /* Sleep is interruptible. */
8067b633 377#define LWP_SELECT 0x0000010 /* Selecting; wakeup/waiting danger. */
9388413d 378#define LWP_ONRUNQ 0x0000020 /* on a user scheduling run queue */
70d3d461 379#define LWP_WEXIT 0x0000040 /* working on exiting */
f33e8653 380#define LWP_WSTOP 0x0000080 /* working on stopping */
08f2f1bb 381
3e291793 382#define FIRST_LWP_IN_PROC(p) RB_FIRST(lwp_rb_tree, &(p)->p_lwp_tree)
fde7ac71 383#define FOREACH_LWP_IN_PROC(lp, p) \
3e291793 384 RB_FOREACH(lp, lwp_rb_tree, &(p)->p_lwp_tree)
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385#define ONLY_LWP_IN_PROC(p) \
386 (p->p_nthreads != 1 && \
387 (panic("%s: proc %p (pid %d cmd %s) has more than one thread", \
388 __func__, p, p->p_pid, p->p_comm), 1), \
3e291793 389 RB_ROOT(&p->p_lwp_tree))
fde7ac71 390
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391/*
392 * We use process IDs <= PID_MAX; PID_MAX + 1 must also fit in a pid_t,
393 * as it is used to represent "no process group".
394 */
395#define PID_MAX 99999
396#define NO_PID 100000
397
398#define SESS_LEADER(p) ((p)->p_session->s_leader == (p))
399
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400#ifdef _KERNEL
401
402#ifdef MALLOC_DECLARE
403MALLOC_DECLARE(M_SESSION);
fb2a331e 404MALLOC_DECLARE(M_PROC);
f6c36234 405MALLOC_DECLARE(M_LWP);
984263bc 406MALLOC_DECLARE(M_SUBPROC);
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407MALLOC_DECLARE(M_PARGS);
408#endif
409
9eaf083f 410/* for priv_check_cred() */
e4700d00 411#define NULL_CRED_OKAY 0x2
984263bc 412
95db0b6a 413/* Handy macro to determine if p1 can mangle p2 */
984263bc 414
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415#define PRISON_CHECK(cr1, cr2) \
416 ((!(cr1)->cr_prison) || (cr1)->cr_prison == (cr2)->cr_prison)
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417
418/*
8a8d5d85 419 * STOPEVENT
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420 */
421extern void stopevent(struct proc*, unsigned int, unsigned int);
422#define STOPEVENT(p,e,v) \
423 do { \
424 if ((p)->p_stops & (e)) { \
984263bc 425 stopevent(p,e,v); \
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426 } \
427 } while (0)
428
cc1d939b 429/* hold process in memory, don't destruct , normally for ptrace/procfs work */
344ad853 430#define PHOLD(p) (++(p)->p_lock)
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431#define PRELE(p) (--(p)->p_lock)
432
cc1d939b 433/* hold lwp in memory, don't destruct , normally for ptrace/procfs work */
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434/* atomic ops because they can occur from an IPI */
435#define LWPHOLD(lp) atomic_add_int(&(lp)->lwp_lock, 1)
436#define LWPRELE(lp) atomic_add_int(&(lp)->lwp_lock, -1)
cc1d939b 437
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438#define PIDHASH(pid) (&pidhashtbl[(pid) & pidhash])
439extern LIST_HEAD(pidhashhead, proc) *pidhashtbl;
440extern u_long pidhash;
441
442#define PGRPHASH(pgid) (&pgrphashtbl[(pgid) & pgrphash])
443extern LIST_HEAD(pgrphashhead, pgrp) *pgrphashtbl;
444extern u_long pgrphash;
445
84b592ba 446#if 0
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447#ifndef SET_CURPROC
448#define SET_CURPROC(p) (curproc = (p))
449#endif
984263bc 450#endif
84b592ba 451
984263bc 452extern struct proc proc0; /* Process slot for swapper. */
08f2f1bb 453extern struct lwp lwp0; /* LWP slot for swapper. */
b7c628e4 454extern struct thread thread0; /* Thread slot for swapper. */
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455extern int hogticks; /* Limit on kernel cpu hogs. */
456extern int nprocs, maxproc; /* Current and max number of procs. */
457extern int maxprocperuid; /* Max procs per uid. */
458extern int sched_quantum; /* Scheduling quantum in ticks */
459
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460extern struct proclist allproc; /* List of all processes. */
461extern struct proclist zombproc; /* List of zombie processes. */
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462extern struct proc *initproc; /* Process slot for init */
463extern struct thread *pagethread, *updatethread;
984263bc 464
984263bc 465/*
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466 * Scheduler independant variables. The primary scheduler polling frequency,
467 * the maximum ESTCPU value, and the weighting factor for nice values. A
468 * cpu bound program's estcpu will increase to ESTCPUMAX - 1.
984263bc 469 */
a46fac56 470#define ESTCPUFREQ 50
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471
472extern u_long ps_arg_cache_limit;
473extern int ps_argsopen;
28c57d20 474extern int ps_showallprocs;
984263bc 475
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476struct proc *pfind (pid_t); /* Find process by id. */
477struct pgrp *pgfind (pid_t); /* Find process group by id. */
478struct proc *zpfind (pid_t); /* Find zombie process by id. */
984263bc 479
a2a5ad0d 480struct globaldata;
91bd9c1e 481struct lwp_params;
984263bc 482
b153f746 483int enterpgrp (struct proc *p, pid_t pgid, int mksess);
51e64ff2 484void proc_add_allproc(struct proc *p);
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MD
485void proc_move_allproc_zombie(struct proc *);
486void proc_remove_zombie(struct proc *);
487void allproc_scan(int (*callback)(struct proc *, void *), void *data);
c7e98b2f 488void alllwp_scan(int (*callback)(struct lwp *, void *), void *data);
5bf0d9b5 489void zombproc_scan(int (*callback)(struct proc *, void *), void *data);
b153f746 490void fixjobc (struct proc *p, struct pgrp *pgrp, int entering);
553ea3c8 491void updatepcpu(struct lwp *, int, int);
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492int inferior (struct proc *p);
493int leavepgrp (struct proc *p);
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494void sess_hold(struct session *sp);
495void sess_rele(struct session *sp);
b153f746 496void procinit (void);
26a0694b 497void relscurproc(struct proc *curp);
b153f746 498int p_trespass (struct ucred *cr1, struct ucred *cr2);
9a379a4a 499void setrunnable (struct lwp *);
f33e8653 500void proc_stop (struct proc *);
9a379a4a 501void proc_unstop (struct proc *);
fc17ad60 502void sleep_gdinit (struct globaldata *);
b153f746 503int suser (struct thread *td);
b153f746 504int suser_cred (struct ucred *cred, int flag);
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RG
505void cpu_heavy_switch (struct thread *);
506void cpu_lwkt_switch (struct thread *);
b153f746 507
c6880072 508void cpu_lwp_exit (void) __dead2;
b153f746 509void cpu_thread_exit (void) __dead2;
e3161323 510void lwp_exit (int masterexit) __dead2;
c6880072 511void lwp_dispose (struct lwp *);
dc52e1cc 512int killalllwps (int);
b153f746 513void exit1 (int) __dead2;
bb3cd951 514void cpu_fork (struct lwp *, struct lwp *, int);
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SS
515int cpu_prepare_lwp(struct lwp *, struct lwp_params *);
516void cpu_set_fork_handler (struct lwp *, void (*)(void *, struct trapframe *), void *);
0cfcada1 517void cpu_set_thread_handler(struct thread *td, void (*retfunc)(void), void *func, void *arg);
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SS
518int fork1 (struct lwp *, int, struct proc **);
519void start_forked_proc (struct lwp *, struct proc *);
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RG
520int trace_req (struct proc *);
521void cpu_proc_wait (struct proc *);
522void cpu_thread_wait (struct thread *);
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RG
523void setsugid (void);
524void faultin (struct proc *p);
344ad853 525void swapin_request (void);
984263bc 526
b153f746 527u_int32_t procrunnable (void);
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528
529#endif /* _KERNEL */
530
03d6a592 531#endif /* _KERNEL || _KERNEL_STRUCTURES */
984263bc 532#endif /* !_SYS_PROC_H_ */