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Annotation of Net2/kern/sys_process.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1982, 1986, 1989 Regents of the University of California.
                      3:  * 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:  *     from: @(#)sys_process.c 7.22 (Berkeley) 5/11/91
                     34:  */
                     35: 
                     36: #define IPCREG
                     37: #include "param.h"
                     38: #include "proc.h"
                     39: #include "vnode.h"
                     40: #include "seg.h"
                     41: #include "buf.h"
                     42: #include "ptrace.h"
                     43: 
                     44: #include "machine/reg.h"
                     45: #include "machine/psl.h"
                     46: #include "vm/vm.h"
                     47: #include "vm/vm_page.h"
                     48: 
                     49: #include "user.h"
                     50: 
                     51: /*
                     52:  * Process debugging system call.
                     53:  */
                     54: ptrace(curp, uap, retval)
                     55:        struct proc *curp;
                     56:        register struct args {
                     57:                int     req;
                     58:                int     pid;
                     59:                int     *addr;
                     60:                int     data;
                     61:        } *uap;
                     62:        int *retval;
                     63: {
                     64: 
                     65:        /*
                     66:         * Body deleted.
                     67:         */
                     68:        return (ENOSYS);
                     69: }
                     70: 
                     71: procxmt(p)
                     72:        register struct proc *p;
                     73: {
                     74: 
                     75:        /*
                     76:         * Body deleted.
                     77:         */
                     78:        return (0);
                     79: }
                     80: 
                     81: /*
                     82:  * Enable process profiling system call.
                     83:  */
                     84: /* ARGSUSED */
                     85: profil(p, uap, retval)
                     86:        struct proc *p;
                     87:        register struct args {
                     88:                short   *bufbase;
                     89:                unsigned bufsize;
                     90:                unsigned pcoffset;
                     91:                unsigned pcscale;
                     92:        } *uap;
                     93:        int *retval;
                     94: {
                     95: 
                     96:        /*
                     97:         * Body deleted.
                     98:         */
                     99:        return (ENOSYS);
                    100: }

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