user.h revision 175514
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 175514 2008-01-20 19:55:52Z rwatson $ 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 */ 86147188Sgad#define KI_NSPARE_INT 10 87147188Sgad#define KI_NSPARE_LONG 12 88147188Sgad#define KI_NSPARE_PTR 7 89130825Sgad 90130825Sgad#ifdef __amd64__ 91147188Sgad#define KINFO_PROC_SIZE 1088 9271040Smjacob#endif 93130825Sgad#ifdef __arm__ 94158581Scognet#define KINFO_PROC_SIZE 792 9577956Sbenno#endif 96130825Sgad#ifdef __ia64__ 97147188Sgad#define KINFO_PROC_SIZE 1088 9874022Sdfr#endif 99130825Sgad#ifdef __i386__ 100147188Sgad#define KINFO_PROC_SIZE 768 101130825Sgad#endif 102130825Sgad#ifdef __powerpc__ 103147188Sgad#define KINFO_PROC_SIZE 768 104130825Sgad#endif 105130825Sgad#ifdef __sparc64__ 106147188Sgad#define KINFO_PROC_SIZE 1088 107130825Sgad#endif 108130825Sgad#ifndef KINFO_PROC_SIZE 109130825Sgad#error "Unknown architecture" 110130825Sgad#endif 111130825Sgad 11269896Smckusick#define WMESGLEN 8 /* size of returned wchan message */ 113104387Sjhb#define LOCKNAMELEN 8 /* size of returned lock name */ 114154535Sjulian#define OCOMMLEN 16 /* size of returned thread name */ 11581759Speter#define COMMLEN 19 /* size of returned ki_comm name */ 116130726Sgad#define KI_EMULNAMELEN 16 /* size of returned ki_emul */ 11781759Speter#define KI_NGROUPS 16 /* number of groups in ki_groups */ 11881759Speter#define LOGNAMELEN 17 /* size of returned ki_login */ 11969896Smckusick 12011865Sphkstruct kinfo_proc { 12169896Smckusick int ki_structsize; /* size of this structure */ 12272415Sphk int ki_layout; /* reserved: layout identifier */ 12369896Smckusick struct pargs *ki_args; /* address of command arguments */ 12469896Smckusick struct proc *ki_paddr; /* address of proc */ 12569896Smckusick struct user *ki_addr; /* kernel virtual addr of u-area */ 12669896Smckusick struct vnode *ki_tracep; /* pointer to trace file */ 12769896Smckusick struct vnode *ki_textvp; /* pointer to executable file */ 12869896Smckusick struct filedesc *ki_fd; /* pointer to open file info */ 12969896Smckusick struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */ 13069896Smckusick void *ki_wchan; /* sleep address */ 13169896Smckusick pid_t ki_pid; /* Process identifier */ 13269896Smckusick pid_t ki_ppid; /* parent process id */ 13369896Smckusick pid_t ki_pgid; /* process group id */ 13469896Smckusick pid_t ki_tpgid; /* tty process group id */ 13569896Smckusick pid_t ki_sid; /* Process session ID */ 13669896Smckusick pid_t ki_tsid; /* Terminal session ID */ 13769896Smckusick short ki_jobc; /* job control counter */ 138130726Sgad short ki_spare_short1; /* unused (just here for alignment) */ 139130640Sphk dev_t ki_tdev; /* controlling tty dev */ 14069896Smckusick sigset_t ki_siglist; /* Signals arrived but not delivered */ 14169896Smckusick sigset_t ki_sigmask; /* Current signal mask */ 14269896Smckusick sigset_t ki_sigignore; /* Signals being ignored */ 14369896Smckusick sigset_t ki_sigcatch; /* Signals being caught by user */ 14469896Smckusick uid_t ki_uid; /* effective user id */ 14569896Smckusick uid_t ki_ruid; /* Real user id */ 14669896Smckusick uid_t ki_svuid; /* Saved effective user id */ 14769896Smckusick gid_t ki_rgid; /* Real group id */ 14869896Smckusick gid_t ki_svgid; /* Saved effective group id */ 14969896Smckusick short ki_ngroups; /* number of groups */ 150130726Sgad short ki_spare_short2; /* unused (just here for alignment) */ 15181759Speter gid_t ki_groups[KI_NGROUPS]; /* groups */ 15269896Smckusick vm_size_t ki_size; /* virtual size */ 15369896Smckusick segsz_t ki_rssize; /* current resident set size in pages */ 15469896Smckusick segsz_t ki_swrss; /* resident set size before last swap */ 15569896Smckusick segsz_t ki_tsize; /* text size (pages) XXX */ 15669896Smckusick segsz_t ki_dsize; /* data size (pages) XXX */ 15769896Smckusick segsz_t ki_ssize; /* stack size (pages) */ 15869896Smckusick u_short ki_xstat; /* Exit status for wait & stop signal */ 15969896Smckusick u_short ki_acflag; /* Accounting flags */ 16069896Smckusick fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */ 16169896Smckusick u_int ki_estcpu; /* Time averaged value of ki_cpticks */ 16269896Smckusick u_int ki_slptime; /* Time since last blocked */ 16369896Smckusick u_int ki_swtime; /* Time swapped in or out */ 164147188Sgad int ki_spareint1; /* unused (just here for alignment) */ 16569896Smckusick u_int64_t ki_runtime; /* Real time in microsec */ 16669896Smckusick struct timeval ki_start; /* starting time */ 16769896Smckusick struct timeval ki_childtime; /* time used by process children */ 16869896Smckusick long ki_flag; /* P_* flags */ 16969896Smckusick long ki_kiflag; /* KI_* flags (below) */ 17069896Smckusick int ki_traceflag; /* Kernel trace points */ 17169896Smckusick char ki_stat; /* S* process status */ 172124829Sgrehan signed char ki_nice; /* Process "nice" value */ 17369896Smckusick char ki_lock; /* Process lock (prevent swap) count */ 17469896Smckusick char ki_rqindex; /* Run queue index */ 17569896Smckusick u_char ki_oncpu; /* Which cpu we are on */ 17669896Smckusick u_char ki_lastcpu; /* Last cpu we were on */ 177154535Sjulian char ki_ocomm[OCOMMLEN+1]; /* thread name */ 17869896Smckusick char ki_wmesg[WMESGLEN+1]; /* wchan message */ 17981759Speter char ki_login[LOGNAMELEN+1]; /* setlogin name */ 180104387Sjhb char ki_lockname[LOCKNAMELEN+1]; /* lock name */ 18181759Speter char ki_comm[COMMLEN+1]; /* command name */ 182130726Sgad char ki_emul[KI_EMULNAMELEN+1]; /* emulation name */ 183147188Sgad /* 184147188Sgad * When adding new variables, take space for char-strings from the 185147188Sgad * front of ki_sparestrings, and ints from the end of ki_spareints. 186147188Sgad * That way the spare room from both arrays will remain contiguous. 187147188Sgad */ 188130726Sgad char ki_sparestrings[68]; /* spare string space */ 189147188Sgad int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */ 190147188Sgad int ki_jid; /* Process jail ID */ 191147188Sgad int ki_numthreads; /* XXXKSE number of threads in total */ 192147188Sgad lwpid_t ki_tid; /* XXXKSE thread id */ 193147188Sgad struct priority ki_pri; /* process priority */ 19469896Smckusick struct rusage ki_rusage; /* process rusage statistics */ 195147188Sgad /* XXX - most fields in ki_rusage_ch are not (yet) filled in */ 196147188Sgad struct rusage ki_rusage_ch; /* rusage of children processes */ 19783366Sjulian struct pcb *ki_pcb; /* kernel virtual addr of pcb */ 19883366Sjulian void *ki_kstack; /* kernel virtual addr of stack */ 199132014Salfred void *ki_udata; /* User convenience pointer */ 200147188Sgad /* 201147188Sgad * When adding new variables, take space for pointers from the 202147188Sgad * front of ki_spareptrs, and longs from the end of ki_sparelongs. 203147188Sgad * That way the spare room from both arrays will remain contiguous. 204147188Sgad */ 205147188Sgad void *ki_spareptrs[KI_NSPARE_PTR]; /* spare room for growth */ 206147188Sgad long ki_sparelongs[KI_NSPARE_LONG]; /* spare room for growth */ 207147188Sgad long ki_sflag; /* PS_* flags */ 208147188Sgad long ki_tdflags; /* XXXKSE kthread flag */ 20911865Sphk}; 21092719Salfredvoid fill_kinfo_proc(struct proc *, struct kinfo_proc *); 211147188Sgad/* XXX - the following two defines are temporary */ 212147188Sgad#define ki_childstime ki_rusage_ch.ru_stime 213147188Sgad#define ki_childutime ki_rusage_ch.ru_utime 21411865Sphk 215172207Sjeff/* 216172207Sjeff * Legacy PS_ flag. This moved to p_flag but is maintained for 217172207Sjeff * compatibility. 218172207Sjeff */ 219172207Sjeff#define PS_INMEM 0x00001 /* Loaded into memory. */ 220172207Sjeff 22169896Smckusick/* ki_sessflag values */ 22269896Smckusick#define KI_CTTY 0x00000001 /* controlling tty vnode active */ 22369896Smckusick#define KI_SLEADER 0x00000002 /* session leader */ 224104387Sjhb#define KI_LOCKBLOCK 0x00000004 /* proc blocked on lock ki_lockname */ 22511865Sphk 22611865Sphk/* 227137920Sdas * This used to be the per-process structure containing data that 228137920Sdas * isn't needed in core when the process is swapped out, but now it 229137920Sdas * remains only for the benefit of a.out core dumps. 2301541Srgrimes */ 23183421Sobrienstruct user { 23283366Sjulian struct pstats u_stats; /* *p_stats */ 23383366Sjulian struct kinfo_proc u_kproc; /* eproc */ 2341541Srgrimes}; 2351541Srgrimes 236174167Srwatson/* 237174167Srwatson * The KERN_PROC_FILE sysctl allows a process to dumpt the file descriptor 238174167Srwatson * array of another process. 239174167Srwatson */ 240174167Srwatson#define KF_TYPE_NONE 0 241174167Srwatson#define KF_TYPE_VNODE 1 242174167Srwatson#define KF_TYPE_SOCKET 2 243174167Srwatson#define KF_TYPE_PIPE 3 244174167Srwatson#define KF_TYPE_FIFO 4 245174167Srwatson#define KF_TYPE_KQUEUE 5 246174167Srwatson#define KF_TYPE_CRYPTO 6 247174167Srwatson#define KF_TYPE_MQUEUE 7 248175514Srwatson#define KF_TYPE_SHM 8 249174167Srwatson#define KF_TYPE_UNKNOWN 255 250174167Srwatson 251174167Srwatson#define KF_VTYPE_VNON 0 252174167Srwatson#define KF_VTYPE_VREG 1 253174167Srwatson#define KF_VTYPE_VDIR 2 254174167Srwatson#define KF_VTYPE_VBLK 3 255174167Srwatson#define KF_VTYPE_VCHR 4 256174167Srwatson#define KF_VTYPE_VLNK 5 257174167Srwatson#define KF_VTYPE_VSOCK 6 258174167Srwatson#define KF_VTYPE_VFIFO 7 259174167Srwatson#define KF_VTYPE_VBAD 8 260174167Srwatson#define KF_VTYPE_UNKNOWN 255 261174167Srwatson 262174167Srwatson#define KF_FLAG_READ 0x00000001 263174167Srwatson#define KF_FLAG_WRITE 0x00000002 264174167Srwatson#define KF_FLAG_APPEND 0x00000004 265174167Srwatson#define KF_FLAG_ASYNC 0x00000008 266174167Srwatson#define KF_FLAG_FSYNC 0x00000010 267174167Srwatson#define KF_FLAG_NONBLOCK 0x00000020 268174167Srwatson#define KF_FLAG_DIRECT 0x00000040 269174167Srwatson#define KF_FLAG_HASLOCK 0x00000080 270174167Srwatson 271174167Srwatsonstruct kinfo_file { 272174167Srwatson int kf_structsize; /* Size of kinfo_file. */ 273174167Srwatson int kf_type; /* Descriptor type. */ 274174167Srwatson int kf_fd; /* Array index. */ 275174167Srwatson int kf_ref_count; /* Reference count. */ 276174167Srwatson int kf_flags; /* Flags. */ 277174167Srwatson off_t kf_offset; /* Seek location. */ 278174167Srwatson int kf_vnode_type; /* Vnode type. */ 279174167Srwatson int kf_sock_domain; /* Socket domain. */ 280174167Srwatson int kf_sock_type; /* Socket type. */ 281174167Srwatson int kf_sock_protocol; /* Socket protocol. */ 282174167Srwatson char kf_path[PATH_MAX]; /* Path to file, if any. */ 283174167Srwatson struct sockaddr_storage kf_sa_local; /* Socket address. */ 284174167Srwatson struct sockaddr_storage kf_sa_peer; /* Peer address. */ 285174167Srwatson}; 286174167Srwatson 287174167Srwatson/* 288174167Srwatson * The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of 289174167Srwatson * another process as a series of entries. 290174167Srwatson */ 291174167Srwatson#define KVME_TYPE_NONE 0 292174167Srwatson#define KVME_TYPE_DEFAULT 1 293174167Srwatson#define KVME_TYPE_VNODE 2 294174167Srwatson#define KVME_TYPE_SWAP 3 295174167Srwatson#define KVME_TYPE_DEVICE 4 296174167Srwatson#define KVME_TYPE_PHYS 5 297174167Srwatson#define KVME_TYPE_DEAD 6 298174167Srwatson#define KVME_TYPE_UNKNOWN 255 299174167Srwatson 300174167Srwatson#define KVME_PROT_READ 0x00000001 301174167Srwatson#define KVME_PROT_WRITE 0x00000002 302174167Srwatson#define KVME_PROT_EXEC 0x00000004 303174167Srwatson 304174167Srwatson#define KVME_FLAG_COW 0x00000001 305174167Srwatson#define KVME_FLAG_NEEDS_COPY 0x00000002 306174167Srwatson 307174167Srwatsonstruct kinfo_vmentry { 308174167Srwatson int kve_structsize; /* Size of kinfo_vmmapentry. */ 309174167Srwatson int kve_type; /* Type of map entry. */ 310174167Srwatson void *kve_start; /* Starting pointer. */ 311174167Srwatson void *kve_end; /* Finishing pointer. */ 312174167Srwatson int kve_flags; /* Flags on map entry. */ 313174167Srwatson int kve_resident; /* Number of resident pages. */ 314174167Srwatson int kve_private_resident; /* Number of private pages. */ 315174167Srwatson int kve_protection; /* Protection bitmask. */ 316174167Srwatson int kve_ref_count; /* VM obj ref count. */ 317174167Srwatson int kve_shadow_count; /* VM obj shadow count. */ 318174167Srwatson char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 319174167Srwatson void *_kve_pspare[8]; /* Space for more stuff. */ 320174167Srwatson int _kve_ispare[8]; /* Space for more stuff. */ 321174167Srwatson}; 322174167Srwatson 323174197Srwatson/* 324174197Srwatson * The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of 325174197Srwatson * another process as a series of entries. Each stack is represented by a 326174197Srwatson * series of symbol names and offsets as generated by stack_sbuf_print(9). 327174197Srwatson */ 328174197Srwatson#define KKST_MAXLEN 1024 329174197Srwatson 330174197Srwatson#define KKST_STATE_STACKOK 0 /* Stack is valid. */ 331174197Srwatson#define KKST_STATE_SWAPPED 1 /* Stack swapped out. */ 332174197Srwatson#define KKST_STATE_RUNNING 2 /* Stack ephemeral. */ 333174197Srwatson 334174197Srwatsonstruct kinfo_kstack { 335174197Srwatson lwpid_t kkst_tid; /* ID of thread. */ 336174197Srwatson int kkst_state; /* Validity of stack. */ 337174197Srwatson char kkst_trace[KKST_MAXLEN]; /* String representing stack. */ 338174197Srwatson void *_kkst_pspare[8]; /* Space for more stuff. */ 339174197Srwatson int _kkst_ispare[8]; /* Space for more stuff. */ 340174197Srwatson}; 341174197Srwatson 34237689Sdfr#endif 343