user.h revision 207152
1139825Simp/*- 21541Srgrimes * Copyright (c) 1982, 1986, 1989, 1991, 1993 3174167Srwatson * The Regents of the University of California. 4174167Srwatson * Copyright (c) 2007 Robert N. M. Watson 5174167Srwatson * All rights reserved. 61541Srgrimes * 71541Srgrimes * Redistribution and use in source and binary forms, with or without 81541Srgrimes * modification, are permitted provided that the following conditions 91541Srgrimes * are met: 101541Srgrimes * 1. Redistributions of source code must retain the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer. 121541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 131541Srgrimes * notice, this list of conditions and the following disclaimer in the 141541Srgrimes * documentation and/or other materials provided with the distribution. 151541Srgrimes * 4. Neither the name of the University nor the names of its contributors 161541Srgrimes * may be used to endorse or promote products derived from this software 171541Srgrimes * without specific prior written permission. 181541Srgrimes * 191541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 201541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 211541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 221541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 231541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 241541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 251541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 261541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 271541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 281541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 291541Srgrimes * SUCH DAMAGE. 301541Srgrimes * 311541Srgrimes * @(#)user.h 8.2 (Berkeley) 9/23/93 3250477Speter * $FreeBSD: head/sys/sys/user.h 207152 2010-04-24 12:49:52Z kib $ 331541Srgrimes */ 341541Srgrimes 352165Spaul#ifndef _SYS_USER_H_ 362165Spaul#define _SYS_USER_H_ 372165Spaul 381541Srgrimes#include <machine/pcb.h> 3955205Speter#ifndef _KERNEL 401541Srgrimes/* stuff that *used* to be included by user.h, or is now needed */ 4118207Sbde#include <sys/errno.h> 421541Srgrimes#include <sys/time.h> 431541Srgrimes#include <sys/resource.h> 441541Srgrimes#include <sys/ucred.h> 451541Srgrimes#include <sys/uio.h> 4692047Sdd#include <sys/queue.h> 4781202Sjhb#include <sys/_lock.h> 4876166Smarkm#include <sys/_mutex.h> 4911913Sphk#include <sys/proc.h> 5012685Speter#include <vm/vm.h> /* XXX */ 5112685Speter#include <vm/vm_param.h> /* XXX */ 5212685Speter#include <vm/pmap.h> /* XXX */ 5312685Speter#include <vm/vm_map.h> /* XXX */ 5455205Speter#endif /* !_KERNEL */ 5534924Sbde#ifndef _SYS_RESOURCEVAR_H_ 561541Srgrimes#include <sys/resourcevar.h> 5734924Sbde#endif 5834924Sbde#ifndef _SYS_SIGNALVAR_H_ 591541Srgrimes#include <sys/signalvar.h> 6034924Sbde#endif 61174167Srwatson#ifndef _SYS_SOCKET_VAR_H_ 62174167Srwatson#include <sys/socket.h> 63174167Srwatson#endif 641541Srgrimes 651541Srgrimes/* 6669896Smckusick * KERN_PROC subtype ops return arrays of selected proc structure entries: 6769896Smckusick * 68147188Sgad * This struct includes several arrays of spare space, with different arrays 69147188Sgad * for different standard C-types. When adding new variables to this struct, 70147188Sgad * the space for byte-aligned data should be taken from the ki_sparestring, 71147188Sgad * pointers from ki_spareptrs, word-aligned data from ki_spareints, and 72147188Sgad * doubleword-aligned data from ki_sparelongs. Make sure the space for new 73147188Sgad * variables come from the array which matches the size and alignment of 74147188Sgad * those variables on ALL hardware platforms, and then adjust the appropriate 75147188Sgad * KI_NSPARE_* value(s) to match. 76130825Sgad * 77147188Sgad * Always verify that sizeof(struct kinfo_proc) == KINFO_PROC_SIZE on all 78147188Sgad * platforms after you have added new variables. Note that if you change 79147188Sgad * the value of KINFO_PROC_SIZE, then many userland programs will stop 80147188Sgad * working until they are recompiled! 81147188Sgad * 82147188Sgad * Once you have added the new field, you will need to add code to initialize 83147188Sgad * it in two places: function fill_kinfo_proc in sys/kern/kern_proc.c and 84147188Sgad * function kvm_proclist in lib/libkvm/kvm_proc.c . 8511865Sphk */ 86193255Srwatson#define KI_NSPARE_INT 9 87147188Sgad#define KI_NSPARE_LONG 12 88195843Sbrooks#define KI_NSPARE_PTR 7 89130825Sgad 90207152Skib#ifndef _KERNEL 91130825Sgad#ifndef KINFO_PROC_SIZE 92130825Sgad#error "Unknown architecture" 93130825Sgad#endif 94207152Skib#endif /* !_KERNEL */ 95130825Sgad 9669896Smckusick#define WMESGLEN 8 /* size of returned wchan message */ 97104387Sjhb#define LOCKNAMELEN 8 /* size of returned lock name */ 98154535Sjulian#define OCOMMLEN 16 /* size of returned thread name */ 9981759Speter#define COMMLEN 19 /* size of returned ki_comm name */ 100130726Sgad#define KI_EMULNAMELEN 16 /* size of returned ki_emul */ 101195843Sbrooks#define KI_NGROUPS 16 /* number of groups in ki_groups */ 10281759Speter#define LOGNAMELEN 17 /* size of returned ki_login */ 10369896Smckusick 104195843Sbrooks/* 105195843Sbrooks * Steal a bit from ki_cr_flags (cr_flags is never used) to indicate 106195843Sbrooks * that the cred had more than KI_NGROUPS groups. 107195843Sbrooks */ 108195843Sbrooks#define KI_CRF_GRP_OVERFLOW 0x80000000 109195843Sbrooks 11011865Sphkstruct kinfo_proc { 11169896Smckusick int ki_structsize; /* size of this structure */ 11272415Sphk int ki_layout; /* reserved: layout identifier */ 11369896Smckusick struct pargs *ki_args; /* address of command arguments */ 11469896Smckusick struct proc *ki_paddr; /* address of proc */ 11569896Smckusick struct user *ki_addr; /* kernel virtual addr of u-area */ 11669896Smckusick struct vnode *ki_tracep; /* pointer to trace file */ 11769896Smckusick struct vnode *ki_textvp; /* pointer to executable file */ 11869896Smckusick struct filedesc *ki_fd; /* pointer to open file info */ 11969896Smckusick struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */ 12069896Smckusick void *ki_wchan; /* sleep address */ 12169896Smckusick pid_t ki_pid; /* Process identifier */ 12269896Smckusick pid_t ki_ppid; /* parent process id */ 12369896Smckusick pid_t ki_pgid; /* process group id */ 12469896Smckusick pid_t ki_tpgid; /* tty process group id */ 12569896Smckusick pid_t ki_sid; /* Process session ID */ 12669896Smckusick pid_t ki_tsid; /* Terminal session ID */ 12769896Smckusick short ki_jobc; /* job control counter */ 128130726Sgad short ki_spare_short1; /* unused (just here for alignment) */ 129130640Sphk dev_t ki_tdev; /* controlling tty dev */ 13069896Smckusick sigset_t ki_siglist; /* Signals arrived but not delivered */ 13169896Smckusick sigset_t ki_sigmask; /* Current signal mask */ 13269896Smckusick sigset_t ki_sigignore; /* Signals being ignored */ 13369896Smckusick sigset_t ki_sigcatch; /* Signals being caught by user */ 13469896Smckusick uid_t ki_uid; /* effective user id */ 13569896Smckusick uid_t ki_ruid; /* Real user id */ 13669896Smckusick uid_t ki_svuid; /* Saved effective user id */ 13769896Smckusick gid_t ki_rgid; /* Real group id */ 13869896Smckusick gid_t ki_svgid; /* Saved effective group id */ 13969896Smckusick short ki_ngroups; /* number of groups */ 140130726Sgad short ki_spare_short2; /* unused (just here for alignment) */ 141195843Sbrooks gid_t ki_groups[KI_NGROUPS]; /* groups */ 14269896Smckusick vm_size_t ki_size; /* virtual size */ 14369896Smckusick segsz_t ki_rssize; /* current resident set size in pages */ 14469896Smckusick segsz_t ki_swrss; /* resident set size before last swap */ 14569896Smckusick segsz_t ki_tsize; /* text size (pages) XXX */ 14669896Smckusick segsz_t ki_dsize; /* data size (pages) XXX */ 14769896Smckusick segsz_t ki_ssize; /* stack size (pages) */ 14869896Smckusick u_short ki_xstat; /* Exit status for wait & stop signal */ 14969896Smckusick u_short ki_acflag; /* Accounting flags */ 15069896Smckusick fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */ 15169896Smckusick u_int ki_estcpu; /* Time averaged value of ki_cpticks */ 15269896Smckusick u_int ki_slptime; /* Time since last blocked */ 15369896Smckusick u_int ki_swtime; /* Time swapped in or out */ 154147188Sgad int ki_spareint1; /* unused (just here for alignment) */ 15569896Smckusick u_int64_t ki_runtime; /* Real time in microsec */ 15669896Smckusick struct timeval ki_start; /* starting time */ 15769896Smckusick struct timeval ki_childtime; /* time used by process children */ 15869896Smckusick long ki_flag; /* P_* flags */ 15969896Smckusick long ki_kiflag; /* KI_* flags (below) */ 16069896Smckusick int ki_traceflag; /* Kernel trace points */ 16169896Smckusick char ki_stat; /* S* process status */ 162124829Sgrehan signed char ki_nice; /* Process "nice" value */ 16369896Smckusick char ki_lock; /* Process lock (prevent swap) count */ 16469896Smckusick char ki_rqindex; /* Run queue index */ 16569896Smckusick u_char ki_oncpu; /* Which cpu we are on */ 16669896Smckusick u_char ki_lastcpu; /* Last cpu we were on */ 167154535Sjulian char ki_ocomm[OCOMMLEN+1]; /* thread name */ 16869896Smckusick char ki_wmesg[WMESGLEN+1]; /* wchan message */ 16981759Speter char ki_login[LOGNAMELEN+1]; /* setlogin name */ 170104387Sjhb char ki_lockname[LOCKNAMELEN+1]; /* lock name */ 17181759Speter char ki_comm[COMMLEN+1]; /* command name */ 172130726Sgad char ki_emul[KI_EMULNAMELEN+1]; /* emulation name */ 173147188Sgad /* 174147188Sgad * When adding new variables, take space for char-strings from the 175147188Sgad * front of ki_sparestrings, and ints from the end of ki_spareints. 176147188Sgad * That way the spare room from both arrays will remain contiguous. 177147188Sgad */ 178130726Sgad char ki_sparestrings[68]; /* spare string space */ 179147188Sgad int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */ 180193255Srwatson u_int ki_cr_flags; /* Credential flags */ 181147188Sgad int ki_jid; /* Process jail ID */ 182147188Sgad int ki_numthreads; /* XXXKSE number of threads in total */ 183147188Sgad lwpid_t ki_tid; /* XXXKSE thread id */ 184147188Sgad struct priority ki_pri; /* process priority */ 18569896Smckusick struct rusage ki_rusage; /* process rusage statistics */ 186147188Sgad /* XXX - most fields in ki_rusage_ch are not (yet) filled in */ 187147188Sgad struct rusage ki_rusage_ch; /* rusage of children processes */ 18883366Sjulian struct pcb *ki_pcb; /* kernel virtual addr of pcb */ 18983366Sjulian void *ki_kstack; /* kernel virtual addr of stack */ 190132014Salfred void *ki_udata; /* User convenience pointer */ 191147188Sgad /* 192147188Sgad * When adding new variables, take space for pointers from the 193147188Sgad * front of ki_spareptrs, and longs from the end of ki_sparelongs. 194147188Sgad * That way the spare room from both arrays will remain contiguous. 195147188Sgad */ 196147188Sgad void *ki_spareptrs[KI_NSPARE_PTR]; /* spare room for growth */ 197147188Sgad long ki_sparelongs[KI_NSPARE_LONG]; /* spare room for growth */ 198147188Sgad long ki_sflag; /* PS_* flags */ 199147188Sgad long ki_tdflags; /* XXXKSE kthread flag */ 20011865Sphk}; 20192719Salfredvoid fill_kinfo_proc(struct proc *, struct kinfo_proc *); 202147188Sgad/* XXX - the following two defines are temporary */ 203147188Sgad#define ki_childstime ki_rusage_ch.ru_stime 204147188Sgad#define ki_childutime ki_rusage_ch.ru_utime 20511865Sphk 206172207Sjeff/* 207172207Sjeff * Legacy PS_ flag. This moved to p_flag but is maintained for 208172207Sjeff * compatibility. 209172207Sjeff */ 210172207Sjeff#define PS_INMEM 0x00001 /* Loaded into memory. */ 211172207Sjeff 21269896Smckusick/* ki_sessflag values */ 21369896Smckusick#define KI_CTTY 0x00000001 /* controlling tty vnode active */ 21469896Smckusick#define KI_SLEADER 0x00000002 /* session leader */ 215104387Sjhb#define KI_LOCKBLOCK 0x00000004 /* proc blocked on lock ki_lockname */ 21611865Sphk 21711865Sphk/* 218137920Sdas * This used to be the per-process structure containing data that 219137920Sdas * isn't needed in core when the process is swapped out, but now it 220137920Sdas * remains only for the benefit of a.out core dumps. 2211541Srgrimes */ 22283421Sobrienstruct user { 22383366Sjulian struct pstats u_stats; /* *p_stats */ 22483366Sjulian struct kinfo_proc u_kproc; /* eproc */ 2251541Srgrimes}; 2261541Srgrimes 227174167Srwatson/* 228176124Smarcus * The KERN_PROC_FILE sysctl allows a process to dump the file descriptor 229174167Srwatson * array of another process. 230174167Srwatson */ 231174167Srwatson#define KF_TYPE_NONE 0 232174167Srwatson#define KF_TYPE_VNODE 1 233174167Srwatson#define KF_TYPE_SOCKET 2 234174167Srwatson#define KF_TYPE_PIPE 3 235174167Srwatson#define KF_TYPE_FIFO 4 236174167Srwatson#define KF_TYPE_KQUEUE 5 237174167Srwatson#define KF_TYPE_CRYPTO 6 238174167Srwatson#define KF_TYPE_MQUEUE 7 239175514Srwatson#define KF_TYPE_SHM 8 240180059Sjhb#define KF_TYPE_SEM 9 241181905Sed#define KF_TYPE_PTS 10 242174167Srwatson#define KF_TYPE_UNKNOWN 255 243174167Srwatson 244174167Srwatson#define KF_VTYPE_VNON 0 245174167Srwatson#define KF_VTYPE_VREG 1 246174167Srwatson#define KF_VTYPE_VDIR 2 247174167Srwatson#define KF_VTYPE_VBLK 3 248174167Srwatson#define KF_VTYPE_VCHR 4 249174167Srwatson#define KF_VTYPE_VLNK 5 250174167Srwatson#define KF_VTYPE_VSOCK 6 251174167Srwatson#define KF_VTYPE_VFIFO 7 252174167Srwatson#define KF_VTYPE_VBAD 8 253174167Srwatson#define KF_VTYPE_UNKNOWN 255 254174167Srwatson 255176124Smarcus#define KF_FD_TYPE_CWD -1 /* Current working directory */ 256176124Smarcus#define KF_FD_TYPE_ROOT -2 /* Root directory */ 257176124Smarcus#define KF_FD_TYPE_JAIL -3 /* Jail directory */ 258176124Smarcus 259174167Srwatson#define KF_FLAG_READ 0x00000001 260174167Srwatson#define KF_FLAG_WRITE 0x00000002 261174167Srwatson#define KF_FLAG_APPEND 0x00000004 262174167Srwatson#define KF_FLAG_ASYNC 0x00000008 263174167Srwatson#define KF_FLAG_FSYNC 0x00000010 264174167Srwatson#define KF_FLAG_NONBLOCK 0x00000020 265174167Srwatson#define KF_FLAG_DIRECT 0x00000040 266174167Srwatson#define KF_FLAG_HASLOCK 0x00000080 267174167Srwatson 268185548Speter/* 269185548Speter * Old format. Has variable hidden padding due to alignment. 270185548Speter * This is a compatability hack for pre-build 7.1 packages. 271185548Speter */ 272185548Speter#if defined(__amd64__) 273185548Speter#define KINFO_OFILE_SIZE 1328 274185548Speter#endif 275185548Speter#if defined(__i386__) 276185548Speter#define KINFO_OFILE_SIZE 1324 277185548Speter#endif 278185548Speter 279185548Speterstruct kinfo_ofile { 280174167Srwatson int kf_structsize; /* Size of kinfo_file. */ 281174167Srwatson int kf_type; /* Descriptor type. */ 282174167Srwatson int kf_fd; /* Array index. */ 283174167Srwatson int kf_ref_count; /* Reference count. */ 284174167Srwatson int kf_flags; /* Flags. */ 285185548Speter /* XXX Hidden alignment padding here on amd64 */ 286174167Srwatson off_t kf_offset; /* Seek location. */ 287174167Srwatson int kf_vnode_type; /* Vnode type. */ 288174167Srwatson int kf_sock_domain; /* Socket domain. */ 289174167Srwatson int kf_sock_type; /* Socket type. */ 290174167Srwatson int kf_sock_protocol; /* Socket protocol. */ 291185548Speter char kf_path[PATH_MAX]; /* Path to file, if any. */ 292174167Srwatson struct sockaddr_storage kf_sa_local; /* Socket address. */ 293174167Srwatson struct sockaddr_storage kf_sa_peer; /* Peer address. */ 294174167Srwatson}; 295174167Srwatson 296185548Speter#if defined(__amd64__) || defined(__i386__) 297185548Speter#define KINFO_FILE_SIZE 1392 298185548Speter#endif 299185548Speter 300185548Speterstruct kinfo_file { 301185548Speter int kf_structsize; /* Variable size of record. */ 302185548Speter int kf_type; /* Descriptor type. */ 303185548Speter int kf_fd; /* Array index. */ 304185548Speter int kf_ref_count; /* Reference count. */ 305185548Speter int kf_flags; /* Flags. */ 306185548Speter int _kf_pad0; /* Round to 64 bit alignment */ 307185554Speter int64_t kf_offset; /* Seek location. */ 308185548Speter int kf_vnode_type; /* Vnode type. */ 309185548Speter int kf_sock_domain; /* Socket domain. */ 310185548Speter int kf_sock_type; /* Socket type. */ 311185548Speter int kf_sock_protocol; /* Socket protocol. */ 312185548Speter struct sockaddr_storage kf_sa_local; /* Socket address. */ 313185548Speter struct sockaddr_storage kf_sa_peer; /* Peer address. */ 314185548Speter int _kf_ispare[16]; /* Space for more stuff. */ 315185548Speter /* Truncated before copyout in sysctl */ 316185548Speter char kf_path[PATH_MAX]; /* Path to file, if any. */ 317185548Speter}; 318185548Speter 319174167Srwatson/* 320174167Srwatson * The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of 321174167Srwatson * another process as a series of entries. 322174167Srwatson */ 323174167Srwatson#define KVME_TYPE_NONE 0 324174167Srwatson#define KVME_TYPE_DEFAULT 1 325174167Srwatson#define KVME_TYPE_VNODE 2 326174167Srwatson#define KVME_TYPE_SWAP 3 327174167Srwatson#define KVME_TYPE_DEVICE 4 328174167Srwatson#define KVME_TYPE_PHYS 5 329174167Srwatson#define KVME_TYPE_DEAD 6 330195840Sjhb#define KVME_TYPE_SG 7 331174167Srwatson#define KVME_TYPE_UNKNOWN 255 332174167Srwatson 333174167Srwatson#define KVME_PROT_READ 0x00000001 334174167Srwatson#define KVME_PROT_WRITE 0x00000002 335174167Srwatson#define KVME_PROT_EXEC 0x00000004 336174167Srwatson 337174167Srwatson#define KVME_FLAG_COW 0x00000001 338174167Srwatson#define KVME_FLAG_NEEDS_COPY 0x00000002 339174167Srwatson 340185548Speter#if defined(__amd64__) 341185548Speter#define KINFO_OVMENTRY_SIZE 1168 342185548Speter#endif 343185548Speter#if defined(__i386__) 344185548Speter#define KINFO_OVMENTRY_SIZE 1128 345185548Speter#endif 346185548Speter 347185548Speterstruct kinfo_ovmentry { 348174167Srwatson int kve_structsize; /* Size of kinfo_vmmapentry. */ 349174167Srwatson int kve_type; /* Type of map entry. */ 350185548Speter void *kve_start; /* Starting address. */ 351185548Speter void *kve_end; /* Finishing address. */ 352174167Srwatson int kve_flags; /* Flags on map entry. */ 353174167Srwatson int kve_resident; /* Number of resident pages. */ 354174167Srwatson int kve_private_resident; /* Number of private pages. */ 355174167Srwatson int kve_protection; /* Protection bitmask. */ 356174167Srwatson int kve_ref_count; /* VM obj ref count. */ 357174167Srwatson int kve_shadow_count; /* VM obj shadow count. */ 358174167Srwatson char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 359174167Srwatson void *_kve_pspare[8]; /* Space for more stuff. */ 360184492Speter off_t kve_offset; /* Mapping offset in object */ 361185548Speter uint64_t kve_fileid; /* inode number if vnode */ 362184492Speter dev_t kve_fsid; /* dev_t of vnode location */ 363184492Speter int _kve_ispare[3]; /* Space for more stuff. */ 364174167Srwatson}; 365174167Srwatson 366185548Speter#if defined(__amd64__) || defined(__i386__) 367185548Speter#define KINFO_VMENTRY_SIZE 1160 368185548Speter#endif 369185548Speter 370185548Speterstruct kinfo_vmentry { 371185548Speter int kve_structsize; /* Variable size of record. */ 372185548Speter int kve_type; /* Type of map entry. */ 373185548Speter uint64_t kve_start; /* Starting address. */ 374185548Speter uint64_t kve_end; /* Finishing address. */ 375185548Speter uint64_t kve_offset; /* Mapping offset in object */ 376185548Speter uint64_t kve_fileid; /* inode number if vnode */ 377185548Speter uint32_t kve_fsid; /* dev_t of vnode location */ 378185548Speter int kve_flags; /* Flags on map entry. */ 379185548Speter int kve_resident; /* Number of resident pages. */ 380185548Speter int kve_private_resident; /* Number of private pages. */ 381185548Speter int kve_protection; /* Protection bitmask. */ 382185548Speter int kve_ref_count; /* VM obj ref count. */ 383185548Speter int kve_shadow_count; /* VM obj shadow count. */ 384185548Speter int _kve_pad0; /* 64bit align next field */ 385185548Speter int _kve_ispare[16]; /* Space for more stuff. */ 386185548Speter /* Truncated before copyout in sysctl */ 387185548Speter char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 388185548Speter}; 389185548Speter 390174197Srwatson/* 391174197Srwatson * The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of 392174197Srwatson * another process as a series of entries. Each stack is represented by a 393174197Srwatson * series of symbol names and offsets as generated by stack_sbuf_print(9). 394174197Srwatson */ 395174197Srwatson#define KKST_MAXLEN 1024 396174197Srwatson 397174197Srwatson#define KKST_STATE_STACKOK 0 /* Stack is valid. */ 398174197Srwatson#define KKST_STATE_SWAPPED 1 /* Stack swapped out. */ 399174197Srwatson#define KKST_STATE_RUNNING 2 /* Stack ephemeral. */ 400174197Srwatson 401185548Speter#if defined(__amd64__) || defined(__i386__) 402185548Speter#define KINFO_KSTACK_SIZE 1096 403185548Speter#endif 404185548Speter 405174197Srwatsonstruct kinfo_kstack { 406174197Srwatson lwpid_t kkst_tid; /* ID of thread. */ 407174197Srwatson int kkst_state; /* Validity of stack. */ 408174197Srwatson char kkst_trace[KKST_MAXLEN]; /* String representing stack. */ 409185548Speter int _kkst_ispare[16]; /* Space for more stuff. */ 410174197Srwatson}; 411174197Srwatson 41237689Sdfr#endif 413