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| Current File : //usr/include/sys/user.h |
/*-
* Copyright (c) 1982, 1986, 1989, 1991, 1993
* The Regents of the University of California.
* Copyright (c) 2007 Robert N. M. Watson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)user.h 8.2 (Berkeley) 9/23/93
* $FreeBSD: release/9.1.0/sys/sys/user.h 238647 2012-07-20 06:50:57Z pgj $
*/
#ifndef _SYS_USER_H_
#define _SYS_USER_H_
#include <machine/pcb.h>
#ifndef _KERNEL
/* stuff that *used* to be included by user.h, or is now needed */
#include <sys/errno.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/ucred.h>
#include <sys/uio.h>
#include <sys/queue.h>
#include <sys/_lock.h>
#include <sys/_mutex.h>
#include <sys/proc.h>
#include <vm/vm.h> /* XXX */
#include <vm/vm_param.h> /* XXX */
#include <vm/pmap.h> /* XXX */
#include <vm/vm_map.h> /* XXX */
#endif /* !_KERNEL */
#ifndef _SYS_RESOURCEVAR_H_
#include <sys/resourcevar.h>
#endif
#ifndef _SYS_SIGNALVAR_H_
#include <sys/signalvar.h>
#endif
#ifndef _SYS_SOCKET_VAR_H_
#include <sys/socket.h>
#endif
/*
* KERN_PROC subtype ops return arrays of selected proc structure entries:
*
* This struct includes several arrays of spare space, with different arrays
* for different standard C-types. When adding new variables to this struct,
* the space for byte-aligned data should be taken from the ki_sparestring,
* pointers from ki_spareptrs, word-aligned data from ki_spareints, and
* doubleword-aligned data from ki_sparelongs. Make sure the space for new
* variables come from the array which matches the size and alignment of
* those variables on ALL hardware platforms, and then adjust the appropriate
* KI_NSPARE_* value(s) to match.
*
* Always verify that sizeof(struct kinfo_proc) == KINFO_PROC_SIZE on all
* platforms after you have added new variables. Note that if you change
* the value of KINFO_PROC_SIZE, then many userland programs will stop
* working until they are recompiled!
*
* Once you have added the new field, you will need to add code to initialize
* it in two places: function fill_kinfo_proc in sys/kern/kern_proc.c and
* function kvm_proclist in lib/libkvm/kvm_proc.c .
*/
#define KI_NSPARE_INT 9
#define KI_NSPARE_LONG 12
#define KI_NSPARE_PTR 6
#ifndef _KERNEL
#ifndef KINFO_PROC_SIZE
#error "Unknown architecture"
#endif
#endif /* !_KERNEL */
#define WMESGLEN 8 /* size of returned wchan message */
#define LOCKNAMELEN 8 /* size of returned lock name */
#define TDNAMLEN 16 /* size of returned thread name */
#define COMMLEN 19 /* size of returned ki_comm name */
#define KI_EMULNAMELEN 16 /* size of returned ki_emul */
#define KI_NGROUPS 16 /* number of groups in ki_groups */
#define LOGNAMELEN 17 /* size of returned ki_login */
#define LOGINCLASSLEN 17 /* size of returned ki_loginclass */
#ifndef BURN_BRIDGES
#define OCOMMLEN TDNAMLEN
#define ki_ocomm ki_tdname
#endif
/* Flags for the process credential. */
#define KI_CRF_CAPABILITY_MODE 0x00000001
/*
* Steal a bit from ki_cr_flags to indicate that the cred had more than
* KI_NGROUPS groups.
*/
#define KI_CRF_GRP_OVERFLOW 0x80000000
struct kinfo_proc {
int ki_structsize; /* size of this structure */
int ki_layout; /* reserved: layout identifier */
struct pargs *ki_args; /* address of command arguments */
struct proc *ki_paddr; /* address of proc */
struct user *ki_addr; /* kernel virtual addr of u-area */
struct vnode *ki_tracep; /* pointer to trace file */
struct vnode *ki_textvp; /* pointer to executable file */
struct filedesc *ki_fd; /* pointer to open file info */
struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */
void *ki_wchan; /* sleep address */
pid_t ki_pid; /* Process identifier */
pid_t ki_ppid; /* parent process id */
pid_t ki_pgid; /* process group id */
pid_t ki_tpgid; /* tty process group id */
pid_t ki_sid; /* Process session ID */
pid_t ki_tsid; /* Terminal session ID */
short ki_jobc; /* job control counter */
short ki_spare_short1; /* unused (just here for alignment) */
dev_t ki_tdev; /* controlling tty dev */
sigset_t ki_siglist; /* Signals arrived but not delivered */
sigset_t ki_sigmask; /* Current signal mask */
sigset_t ki_sigignore; /* Signals being ignored */
sigset_t ki_sigcatch; /* Signals being caught by user */
uid_t ki_uid; /* effective user id */
uid_t ki_ruid; /* Real user id */
uid_t ki_svuid; /* Saved effective user id */
gid_t ki_rgid; /* Real group id */
gid_t ki_svgid; /* Saved effective group id */
short ki_ngroups; /* number of groups */
short ki_spare_short2; /* unused (just here for alignment) */
gid_t ki_groups[KI_NGROUPS]; /* groups */
vm_size_t ki_size; /* virtual size */
segsz_t ki_rssize; /* current resident set size in pages */
segsz_t ki_swrss; /* resident set size before last swap */
segsz_t ki_tsize; /* text size (pages) XXX */
segsz_t ki_dsize; /* data size (pages) XXX */
segsz_t ki_ssize; /* stack size (pages) */
u_short ki_xstat; /* Exit status for wait & stop signal */
u_short ki_acflag; /* Accounting flags */
fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */
u_int ki_estcpu; /* Time averaged value of ki_cpticks */
u_int ki_slptime; /* Time since last blocked */
u_int ki_swtime; /* Time swapped in or out */
u_int ki_cow; /* number of copy-on-write faults */
u_int64_t ki_runtime; /* Real time in microsec */
struct timeval ki_start; /* starting time */
struct timeval ki_childtime; /* time used by process children */
long ki_flag; /* P_* flags */
long ki_kiflag; /* KI_* flags (below) */
int ki_traceflag; /* Kernel trace points */
char ki_stat; /* S* process status */
signed char ki_nice; /* Process "nice" value */
char ki_lock; /* Process lock (prevent swap) count */
char ki_rqindex; /* Run queue index */
u_char ki_oncpu; /* Which cpu we are on */
u_char ki_lastcpu; /* Last cpu we were on */
char ki_tdname[TDNAMLEN+1]; /* thread name */
char ki_wmesg[WMESGLEN+1]; /* wchan message */
char ki_login[LOGNAMELEN+1]; /* setlogin name */
char ki_lockname[LOCKNAMELEN+1]; /* lock name */
char ki_comm[COMMLEN+1]; /* command name */
char ki_emul[KI_EMULNAMELEN+1]; /* emulation name */
char ki_loginclass[LOGINCLASSLEN+1]; /* login class */
/*
* When adding new variables, take space for char-strings from the
* front of ki_sparestrings, and ints from the end of ki_spareints.
* That way the spare room from both arrays will remain contiguous.
*/
char ki_sparestrings[50]; /* spare string space */
int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */
u_int ki_cr_flags; /* Credential flags */
int ki_jid; /* Process jail ID */
int ki_numthreads; /* XXXKSE number of threads in total */
lwpid_t ki_tid; /* XXXKSE thread id */
struct priority ki_pri; /* process priority */
struct rusage ki_rusage; /* process rusage statistics */
/* XXX - most fields in ki_rusage_ch are not (yet) filled in */
struct rusage ki_rusage_ch; /* rusage of children processes */
struct pcb *ki_pcb; /* kernel virtual addr of pcb */
void *ki_kstack; /* kernel virtual addr of stack */
void *ki_udata; /* User convenience pointer */
struct thread *ki_tdaddr; /* address of thread */
/*
* When adding new variables, take space for pointers from the
* front of ki_spareptrs, and longs from the end of ki_sparelongs.
* That way the spare room from both arrays will remain contiguous.
*/
void *ki_spareptrs[KI_NSPARE_PTR]; /* spare room for growth */
long ki_sparelongs[KI_NSPARE_LONG]; /* spare room for growth */
long ki_sflag; /* PS_* flags */
long ki_tdflags; /* XXXKSE kthread flag */
};
void fill_kinfo_proc(struct proc *, struct kinfo_proc *);
/* XXX - the following two defines are temporary */
#define ki_childstime ki_rusage_ch.ru_stime
#define ki_childutime ki_rusage_ch.ru_utime
/*
* Legacy PS_ flag. This moved to p_flag but is maintained for
* compatibility.
*/
#define PS_INMEM 0x00001 /* Loaded into memory. */
/* ki_sessflag values */
#define KI_CTTY 0x00000001 /* controlling tty vnode active */
#define KI_SLEADER 0x00000002 /* session leader */
#define KI_LOCKBLOCK 0x00000004 /* proc blocked on lock ki_lockname */
/*
* This used to be the per-process structure containing data that
* isn't needed in core when the process is swapped out, but now it
* remains only for the benefit of a.out core dumps.
*/
struct user {
struct pstats u_stats; /* *p_stats */
struct kinfo_proc u_kproc; /* eproc */
};
/*
* The KERN_PROC_FILE sysctl allows a process to dump the file descriptor
* array of another process.
*/
#define KF_ATTR_VALID 0x0001
#define KF_TYPE_NONE 0
#define KF_TYPE_VNODE 1
#define KF_TYPE_SOCKET 2
#define KF_TYPE_PIPE 3
#define KF_TYPE_FIFO 4
#define KF_TYPE_KQUEUE 5
#define KF_TYPE_CRYPTO 6
#define KF_TYPE_MQUEUE 7
#define KF_TYPE_SHM 8
#define KF_TYPE_SEM 9
#define KF_TYPE_PTS 10
/* no KF_TYPE_CAPABILITY (11), since capabilities wrap other file objects */
#define KF_TYPE_PROCDESC 12
#define KF_TYPE_UNKNOWN 255
#define KF_VTYPE_VNON 0
#define KF_VTYPE_VREG 1
#define KF_VTYPE_VDIR 2
#define KF_VTYPE_VBLK 3
#define KF_VTYPE_VCHR 4
#define KF_VTYPE_VLNK 5
#define KF_VTYPE_VSOCK 6
#define KF_VTYPE_VFIFO 7
#define KF_VTYPE_VBAD 8
#define KF_VTYPE_UNKNOWN 255
#define KF_FD_TYPE_CWD -1 /* Current working directory */
#define KF_FD_TYPE_ROOT -2 /* Root directory */
#define KF_FD_TYPE_JAIL -3 /* Jail directory */
#define KF_FD_TYPE_TRACE -4 /* ptrace vnode */
#define KF_FD_TYPE_TEXT -5 /* Text vnode */
#define KF_FD_TYPE_CTTY -6 /* Controlling terminal */
#define KF_FLAG_READ 0x00000001
#define KF_FLAG_WRITE 0x00000002
#define KF_FLAG_APPEND 0x00000004
#define KF_FLAG_ASYNC 0x00000008
#define KF_FLAG_FSYNC 0x00000010
#define KF_FLAG_NONBLOCK 0x00000020
#define KF_FLAG_DIRECT 0x00000040
#define KF_FLAG_HASLOCK 0x00000080
#define KF_FLAG_SHLOCK 0x00000100
#define KF_FLAG_EXLOCK 0x00000200
#define KF_FLAG_NOFOLLOW 0x00000400
#define KF_FLAG_CREAT 0x00000800
#define KF_FLAG_TRUNC 0x00001000
#define KF_FLAG_EXCL 0x00002000
#define KF_FLAG_EXEC 0x00004000
#define KF_FLAG_CAPABILITY 0x00008000
/*
* Old format. Has variable hidden padding due to alignment.
* This is a compatability hack for pre-build 7.1 packages.
*/
#if defined(__amd64__)
#define KINFO_OFILE_SIZE 1328
#endif
#if defined(__i386__)
#define KINFO_OFILE_SIZE 1324
#endif
struct kinfo_ofile {
int kf_structsize; /* Size of kinfo_file. */
int kf_type; /* Descriptor type. */
int kf_fd; /* Array index. */
int kf_ref_count; /* Reference count. */
int kf_flags; /* Flags. */
/* XXX Hidden alignment padding here on amd64 */
off_t kf_offset; /* Seek location. */
int kf_vnode_type; /* Vnode type. */
int kf_sock_domain; /* Socket domain. */
int kf_sock_type; /* Socket type. */
int kf_sock_protocol; /* Socket protocol. */
char kf_path[PATH_MAX]; /* Path to file, if any. */
struct sockaddr_storage kf_sa_local; /* Socket address. */
struct sockaddr_storage kf_sa_peer; /* Peer address. */
};
#if defined(__amd64__) || defined(__i386__)
#define KINFO_FILE_SIZE 1392
#endif
struct kinfo_file {
int kf_structsize; /* Variable size of record. */
int kf_type; /* Descriptor type. */
int kf_fd; /* Array index. */
int kf_ref_count; /* Reference count. */
int kf_flags; /* Flags. */
int kf_pad0; /* Round to 64 bit alignment. */
int64_t kf_offset; /* Seek location. */
int kf_vnode_type; /* Vnode type. */
int kf_sock_domain; /* Socket domain. */
int kf_sock_type; /* Socket type. */
int kf_sock_protocol; /* Socket protocol. */
struct sockaddr_storage kf_sa_local; /* Socket address. */
struct sockaddr_storage kf_sa_peer; /* Peer address. */
union {
struct {
/* Address of so_pcb. */
uint64_t kf_sock_pcb;
/* Address of inp_ppcb. */
uint64_t kf_sock_inpcb;
/* Address of unp_conn. */
uint64_t kf_sock_unpconn;
/* Send buffer state. */
uint16_t kf_sock_snd_sb_state;
/* Receive buffer state. */
uint16_t kf_sock_rcv_sb_state;
/* Round to 64 bit alignment. */
uint32_t kf_sock_pad0;
} kf_sock;
struct {
/* Global file id. */
uint64_t kf_file_fileid;
/* File size. */
uint64_t kf_file_size;
/* Vnode filesystem id. */
uint32_t kf_file_fsid;
/* File device. */
uint32_t kf_file_rdev;
/* File mode. */
uint16_t kf_file_mode;
/* Round to 64 bit alignment. */
uint16_t kf_file_pad0;
uint32_t kf_file_pad1;
} kf_file;
struct {
uint64_t kf_pipe_addr;
uint64_t kf_pipe_peer;
uint32_t kf_pipe_buffer_cnt;
/* Round to 64 bit alignment. */
uint32_t kf_pipe_pad0[3];
} kf_pipe;
struct {
uint32_t kf_pts_dev;
/* Round to 64 bit alignment. */
uint32_t kf_pts_pad0[7];
} kf_pts;
struct {
pid_t kf_pid;
} kf_proc;
} kf_un;
uint16_t kf_status; /* Status flags. */
uint16_t kf_pad1; /* Round to 32 bit alignment. */
int _kf_ispare0; /* Space for more stuff. */
cap_rights_t kf_cap_rights; /* Capability rights. */
int _kf_ispare[4]; /* Space for more stuff. */
/* Truncated before copyout in sysctl */
char kf_path[PATH_MAX]; /* Path to file, if any. */
};
/*
* The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of
* another process as a series of entries.
*/
#define KVME_TYPE_NONE 0
#define KVME_TYPE_DEFAULT 1
#define KVME_TYPE_VNODE 2
#define KVME_TYPE_SWAP 3
#define KVME_TYPE_DEVICE 4
#define KVME_TYPE_PHYS 5
#define KVME_TYPE_DEAD 6
#define KVME_TYPE_SG 7
#define KVME_TYPE_UNKNOWN 255
#define KVME_PROT_READ 0x00000001
#define KVME_PROT_WRITE 0x00000002
#define KVME_PROT_EXEC 0x00000004
#define KVME_FLAG_COW 0x00000001
#define KVME_FLAG_NEEDS_COPY 0x00000002
#define KVME_FLAG_NOCOREDUMP 0x00000004
#define KVME_FLAG_SUPER 0x00000008
#define KVME_FLAG_GROWS_UP 0x00000010
#define KVME_FLAG_GROWS_DOWN 0x00000020
#if defined(__amd64__)
#define KINFO_OVMENTRY_SIZE 1168
#endif
#if defined(__i386__)
#define KINFO_OVMENTRY_SIZE 1128
#endif
struct kinfo_ovmentry {
int kve_structsize; /* Size of kinfo_vmmapentry. */
int kve_type; /* Type of map entry. */
void *kve_start; /* Starting address. */
void *kve_end; /* Finishing address. */
int kve_flags; /* Flags on map entry. */
int kve_resident; /* Number of resident pages. */
int kve_private_resident; /* Number of private pages. */
int kve_protection; /* Protection bitmask. */
int kve_ref_count; /* VM obj ref count. */
int kve_shadow_count; /* VM obj shadow count. */
char kve_path[PATH_MAX]; /* Path to VM obj, if any. */
void *_kve_pspare[8]; /* Space for more stuff. */
off_t kve_offset; /* Mapping offset in object */
uint64_t kve_fileid; /* inode number if vnode */
dev_t kve_fsid; /* dev_t of vnode location */
int _kve_ispare[3]; /* Space for more stuff. */
};
#if defined(__amd64__) || defined(__i386__)
#define KINFO_VMENTRY_SIZE 1160
#endif
struct kinfo_vmentry {
int kve_structsize; /* Variable size of record. */
int kve_type; /* Type of map entry. */
uint64_t kve_start; /* Starting address. */
uint64_t kve_end; /* Finishing address. */
uint64_t kve_offset; /* Mapping offset in object */
uint64_t kve_vn_fileid; /* inode number if vnode */
uint32_t kve_vn_fsid; /* dev_t of vnode location */
int kve_flags; /* Flags on map entry. */
int kve_resident; /* Number of resident pages. */
int kve_private_resident; /* Number of private pages. */
int kve_protection; /* Protection bitmask. */
int kve_ref_count; /* VM obj ref count. */
int kve_shadow_count; /* VM obj shadow count. */
int kve_vn_type; /* Vnode type. */
uint64_t kve_vn_size; /* File size. */
uint32_t kve_vn_rdev; /* Device id if device. */
uint16_t kve_vn_mode; /* File mode. */
uint16_t kve_status; /* Status flags. */
int _kve_ispare[12]; /* Space for more stuff. */
/* Truncated before copyout in sysctl */
char kve_path[PATH_MAX]; /* Path to VM obj, if any. */
};
/*
* The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of
* another process as a series of entries. Each stack is represented by a
* series of symbol names and offsets as generated by stack_sbuf_print(9).
*/
#define KKST_MAXLEN 1024
#define KKST_STATE_STACKOK 0 /* Stack is valid. */
#define KKST_STATE_SWAPPED 1 /* Stack swapped out. */
#define KKST_STATE_RUNNING 2 /* Stack ephemeral. */
#if defined(__amd64__) || defined(__i386__)
#define KINFO_KSTACK_SIZE 1096
#endif
struct kinfo_kstack {
lwpid_t kkst_tid; /* ID of thread. */
int kkst_state; /* Validity of stack. */
char kkst_trace[KKST_MAXLEN]; /* String representing stack. */
int _kkst_ispare[16]; /* Space for more stuff. */
};
#ifdef _KERNEL
int vntype_to_kinfo(int vtype);
#endif /* !_KERNEL */
#endif