xref: /freebsd/sys/sys/user.h (revision c678bc4f13a340ad88debe321afd0097db2590cb)
1 /*
2  * Copyright (c) 1982, 1986, 1989, 1991, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)user.h	8.2 (Berkeley) 9/23/93
34  * $FreeBSD$
35  */
36 
37 #ifndef _SYS_USER_H_
38 #define _SYS_USER_H_
39 
40 #include <machine/pcb.h>
41 #ifndef _KERNEL
42 /* stuff that *used* to be included by user.h, or is now needed */
43 #include <sys/errno.h>
44 #include <sys/time.h>
45 #include <sys/resource.h>
46 #include <sys/ucred.h>
47 #include <sys/uio.h>
48 #include <sys/_mutex.h>
49 #include <sys/_lock.h>
50 #include <sys/proc.h>
51 #include <vm/vm.h>		/* XXX */
52 #include <vm/vm_param.h>	/* XXX */
53 #include <vm/pmap.h>		/* XXX */
54 #include <vm/vm_map.h>		/* XXX */
55 #endif /* !_KERNEL */
56 #ifndef _SYS_RESOURCEVAR_H_
57 #include <sys/resourcevar.h>
58 #endif
59 #ifndef _SYS_SIGNALVAR_H_
60 #include <sys/signalvar.h>
61 #endif
62 
63 /*
64  * KERN_PROC subtype ops return arrays of selected proc structure entries:
65  *
66  * When adding new fields to this structure, ALWAYS add them at the end
67  * and decrease the size of the spare field by the amount of space that
68  * you are adding.  Byte aligned data should be added to the ki_sparestring
69  * space; other entries should be added to the ki_spare space. Always
70  * verify that sizeof(struct kinfo_proc) == KINFO_PROC_SIZE when you are
71  * done. If you change the size of this structure, many programs will stop
72  * working! Once you have added the new field, you will need to add code
73  * to initialize it in two places: kern/kern_proc.c in the function
74  * fill_kinfo_proc and in lib/libkvm/kvm_proc.c in the function kvm_proclist.
75  */
76 #ifdef	__alpha__
77 #define	KINFO_PROC_SIZE	912		/* the correct size for kinfo_proc */
78 #endif
79 #ifdef	__ia64__
80 #define KINFO_PROC_SIZE 888
81 #endif
82 #ifdef	__i386__
83 #define	KINFO_PROC_SIZE	648		/* the correct size for kinfo_proc */
84 #endif
85 #ifndef	KINFO_PROC_SIZE
86 #error	"Unknown architecture"
87 #endif
88 #define	WMESGLEN	8		/* size of returned wchan message */
89 #define	MTXNAMELEN	8		/* size of returned mutex name */
90 
91 struct kinfo_proc {
92 	int	ki_structsize;		/* size of this structure */
93 	int	ki_layout;		/* reserved: layout identifier */
94 	struct	pargs *ki_args;		/* address of command arguments */
95 	struct	proc *ki_paddr;		/* address of proc */
96 	struct	user *ki_addr;		/* kernel virtual addr of u-area */
97 	struct	vnode *ki_tracep;	/* pointer to trace file */
98 	struct	vnode *ki_textvp;	/* pointer to executable file */
99 	struct	filedesc *ki_fd;	/* pointer to open file info */
100 	struct	vmspace *ki_vmspace;	/* pointer to kernel vmspace struct */
101 	void	*ki_wchan;		/* sleep address */
102 	pid_t	ki_pid;			/* Process identifier */
103 	pid_t	ki_ppid;		/* parent process id */
104 	pid_t	ki_pgid;		/* process group id */
105 	pid_t	ki_tpgid;		/* tty process group id */
106 	pid_t	ki_sid;			/* Process session ID */
107 	pid_t	ki_tsid;		/* Terminal session ID */
108 	short	ki_jobc;		/* job control counter */
109 	udev_t	ki_tdev;		/* controlling tty dev */
110 	sigset_t ki_siglist;		/* Signals arrived but not delivered */
111 	sigset_t ki_sigmask;		/* Current signal mask */
112 	sigset_t ki_sigignore;		/* Signals being ignored */
113 	sigset_t ki_sigcatch;		/* Signals being caught by user */
114 	uid_t	ki_uid;			/* effective user id */
115 	uid_t	ki_ruid;		/* Real user id */
116 	uid_t	ki_svuid;		/* Saved effective user id */
117 	gid_t	ki_rgid;		/* Real group id */
118 	gid_t	ki_svgid;		/* Saved effective group id */
119 	short	ki_ngroups;		/* number of groups */
120 	gid_t	ki_groups[NGROUPS];	/* groups */
121 	vm_size_t ki_size;		/* virtual size */
122 	segsz_t ki_rssize;		/* current resident set size in pages */
123 	segsz_t ki_swrss;		/* resident set size before last swap */
124 	segsz_t ki_tsize;		/* text size (pages) XXX */
125 	segsz_t ki_dsize;		/* data size (pages) XXX */
126 	segsz_t ki_ssize;		/* stack size (pages) */
127 	u_short	ki_xstat;		/* Exit status for wait & stop signal */
128 	u_short	ki_acflag;		/* Accounting flags */
129 	fixpt_t	ki_pctcpu;	 	/* %cpu for process during ki_swtime */
130 	u_int	ki_estcpu;	 	/* Time averaged value of ki_cpticks */
131 	u_int	ki_slptime;	 	/* Time since last blocked */
132 	u_int	ki_swtime;	 	/* Time swapped in or out */
133 	u_int64_t ki_runtime;		/* Real time in microsec */
134 	struct	timeval ki_start;	/* starting time */
135 	struct	timeval ki_childtime;	/* time used by process children */
136 	long	ki_flag;		/* P_* flags */
137 	long	ki_kiflag;		/* KI_* flags (below) */
138 	int	ki_traceflag;		/* Kernel trace points */
139 	char	ki_stat;		/* S* process status */
140 	char	ki_nice;		/* Process "nice" value */
141 	char	ki_lock;		/* Process lock (prevent swap) count */
142 	char	ki_rqindex;		/* Run queue index */
143 	u_char	ki_oncpu;		/* Which cpu we are on */
144 	u_char	ki_lastcpu;		/* Last cpu we were on */
145 	char	ki_comm[MAXCOMLEN+1];	/* command name */
146 	char	ki_wmesg[WMESGLEN+1];	/* wchan message */
147 	char	ki_login[MAXLOGNAME+1];	/* setlogin name */
148 	char	ki_mtxname[MTXNAMELEN+1]; /* mutex name */
149 	char	ki_sparestrings[102];	/* spare string space */
150 	struct	rusage ki_rusage;	/* process rusage statistics */
151 	long	ki_sflag;		/* PS_* flags */
152 	struct	priority ki_pri;	/* process priority */
153 	long	ki_spare[25];		/* spare constants */
154 };
155 void fill_kinfo_proc __P((struct proc *, struct kinfo_proc *));
156 
157 /* ki_sessflag values */
158 #define	KI_CTTY		0x00000001	/* controlling tty vnode active */
159 #define	KI_SLEADER	0x00000002	/* session leader */
160 #define	KI_MTXBLOCK	0x00000004	/* proc blocked on mutex ki_mtxname */
161 
162 /*
163  * Per process structure containing data that isn't needed in core
164  * when the process isn't running (esp. when swapped out).
165  * This structure may or may not be at the same kernel address
166  * in all processes.
167  */
168 
169 struct	user {
170 	struct	pcb u_pcb;
171 	struct	sigacts u_sigacts;	/* p_sigacts points here (use it!) */
172 	struct	pstats u_stats;		/* p_stats points here (use it!) */
173 	/*
174 	 * Remaining fields only for core dump and/or ptrace--
175 	 * not valid at other times!
176 	 */
177 	struct	kinfo_proc u_kproc;	/* proc + eproc */
178 	struct	md_coredump u_md;	/* machine dependent glop */
179 };
180 
181 #endif
182