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Annotation of sys/sys/user.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: user.h,v 1.6 2003/06/02 23:28:22 millert Exp $        */
                      2: /*     $NetBSD: user.h,v 1.10 1996/04/09 20:55:49 cgd Exp $    */
                      3:
                      4: /*
                      5:  * Copyright (c) 1982, 1986, 1989, 1991, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)user.h      8.2 (Berkeley) 9/23/93
                     33:  */
                     34:
                     35: #include <machine/pcb.h>
                     36: #ifndef _KERNEL
                     37: /* stuff that *used* to be included by user.h, or is now needed */
                     38: #include <errno.h>
                     39: #include <sys/time.h>
                     40: #include <sys/resource.h>
                     41: #include <sys/ucred.h>
                     42: #include <sys/uio.h>
                     43: #endif
                     44: #include <sys/resourcevar.h>
                     45: #include <uvm/uvm_extern.h>            /* XXX */
                     46: #include <sys/sysctl.h>
                     47:
                     48:
                     49: /*
                     50:  * Per process structure containing data that isn't needed in core
                     51:  * when the process isn't running (esp. when swapped out).
                     52:  * This structure may or may not be at the same kernel address
                     53:  * in all processes.
                     54:  */
                     55:
                     56: struct user {
                     57:        struct  pcb u_pcb;
                     58:
                     59:        struct  pstats u_stats;         /* p_stats points here (use it!) */
                     60:
                     61:        /*
                     62:         * Remaining fields only for core dump and/or ptrace--
                     63:         * not valid at other times!
                     64:         */
                     65:        struct  kinfo_proc u_kproc;     /* proc + eproc */
                     66:        struct  md_coredump u_md;       /* machine dependent glop */
                     67: };
                     68:
                     69: /*
                     70:  * Redefinitions to make the debuggers happy for now...  This subterfuge
                     71:  * brought to you by coredump() and trace_req().  These fields are *only*
                     72:  * valid at those times!
                     73:  */
                     74: #define        U_ar0   u_kproc.kp_proc.p_md.md_regs /* copy of curproc->p_md.md_regs */
                     75: #define        U_tsize u_kproc.kp_eproc.e_vm.vm_tsize
                     76: #define        U_dsize u_kproc.kp_eproc.e_vm.vm_dsize
                     77: #define        U_ssize u_kproc.kp_eproc.e_vm.vm_ssize
                     78:
                     79: #ifndef _KERNEL
                     80: #define        u_ar0   U_ar0
                     81: #define        u_tsize U_tsize
                     82: #define        u_dsize U_dsize
                     83: #define        u_ssize U_ssize
                     84: #endif /* _KERNEL */

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