xref: /freebsd/sys/sys/user.h (revision 6e8394b8baa7d5d9153ab90de6824bcd19b3b4e1)
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  * $Id: user.h,v 1.20 1999/01/26 02:38:11 julian Exp $
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/proc.h>
49 #include <vm/vm.h>		/* XXX */
50 #include <vm/vm_param.h>	/* XXX */
51 #include <vm/pmap.h>		/* XXX */
52 #include <sys/lock.h>		/* XXX */
53 #include <vm/vm_map.h>		/* XXX */
54 #endif /* !KERNEL */
55 #ifndef _SYS_RESOURCEVAR_H_
56 #include <sys/resourcevar.h>
57 #endif
58 #ifndef _SYS_SIGNALVAR_H_
59 #include <sys/signalvar.h>
60 #endif
61 
62 /*
63  * KERN_PROC subtype ops return arrays of augmented proc structures:
64  */
65 struct kinfo_proc {
66 	struct	proc kp_proc;			/* proc structure */
67 	struct	eproc {
68 		struct	proc *e_paddr;		/* address of proc */
69 		struct	session *e_sess;	/* session pointer */
70 		struct	pcred e_pcred;		/* process credentials */
71 		struct	ucred e_ucred;		/* current credentials */
72 		struct  procsig e_procsig;	/* shared signal structure */
73 		struct	vmspace e_vm;		/* address space */
74 		pid_t	e_ppid;			/* parent process id */
75 		pid_t	e_pgid;			/* process group id */
76 		short	e_jobc;			/* job control counter */
77 		udev_t	e_tdev;			/* controlling tty dev */
78 		pid_t	e_tpgid;		/* tty process group id */
79 		struct	session *e_tsess;	/* tty session pointer */
80 #define	WMESGLEN	7
81 		char	e_wmesg[WMESGLEN+1];	/* wchan message */
82 		segsz_t e_xsize;		/* text size */
83 		short	e_xrssize;		/* text rss */
84 		short	e_xccount;		/* text references */
85 		short	e_xswrss;
86 		long	e_flag;
87 #define	EPROC_CTTY	0x01	/* controlling tty vnode active */
88 #define	EPROC_SLEADER	0x02	/* session leader */
89 		char	e_login[roundup(MAXLOGNAME, sizeof(long))];	/* setlogin() name */
90 		long	e_spare[2];
91 	} kp_eproc;
92 };
93 void fill_eproc __P((struct proc *, struct eproc *));
94 
95 
96 /*
97  * Per process structure containing data that isn't needed in core
98  * when the process isn't running (esp. when swapped out).
99  * This structure may or may not be at the same kernel address
100  * in all processes.
101  */
102 
103 struct	user {
104 	struct	pcb u_pcb;
105 	struct	sigacts u_sigacts;	/* p_sigacts points here (use it!) */
106 	struct	pstats u_stats;		/* p_stats points here (use it!) */
107 	/*
108 	 * Remaining fields only for core dump and/or ptrace--
109 	 * not valid at other times!
110 	 */
111 	struct	kinfo_proc u_kproc;	/* proc + eproc */
112 	struct	md_coredump u_md;	/* machine dependent glop */
113 };
114 
115 /*
116  * Redefinitions to make the debuggers happy for now...  This subterfuge
117  * brought to you by coredump() and trace_req().  These fields are *only*
118  * valid at those times!
119  */
120 #ifdef __i386__
121 #define	U_ar0	u_kproc.kp_proc.p_md.md_regs /* copy of curproc->p_md.md_regs */
122 #endif
123 #ifdef __alpha__
124 #define	U_ar0	u_kproc.kp_proc.p_md.md_tf /* copy of curproc->p_md.md_tf */
125 #endif
126 #define	U_tsize	u_kproc.kp_eproc.e_vm.vm_tsize
127 #define	U_dsize	u_kproc.kp_eproc.e_vm.vm_dsize
128 #define	U_ssize	u_kproc.kp_eproc.e_vm.vm_ssize
129 #define	U_sig	u_kproc.kp_proc.p_sig
130 #define	U_code	u_kproc.kp_proc.p_code
131 
132 #ifndef KERNEL
133 #define	u_ar0	U_ar0
134 #define	u_tsize	U_tsize
135 #define	u_dsize	U_dsize
136 #define	u_ssize	U_ssize
137 #define	u_sig	U_sig
138 #define	u_code	U_code
139 #endif /* KERNEL */
140 
141 #endif
142