1 /*- 2 * Copyright (c) 1993 The 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 * $Id: db_ps.c,v 1.7 1995/08/20 05:25:11 davidg Exp $ 34 */ 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/proc.h> 38 #include <ddb/ddb.h> 39 #include <machine/cons.h> 40 41 void 42 db_ps(dummy1, dummy2, dummy3, dummy4) 43 db_expr_t dummy1; 44 boolean_t dummy2; 45 db_expr_t dummy3; 46 char * dummy4; 47 { 48 int np; 49 int nl = 0; 50 volatile struct proc *p, *pp; 51 52 np = nprocs; 53 54 if (allproc != NULL) 55 p = allproc; 56 else 57 p = &proc0; 58 59 db_printf(" pid proc addr uid ppid pgrp flag stat wmesg wchan cmd\n"); 60 while (--np >= 0) { 61 /* 62 * XXX just take 20 for now... 63 */ 64 if (nl++ == 20) { 65 int c; 66 67 db_printf("--More--"); 68 c = cngetc(); 69 db_printf("\r"); 70 /* 71 * A whole screenfull or just one line? 72 */ 73 switch (c) { 74 case '\n': /* just one line */ 75 nl = 19; 76 break; 77 case ' ': 78 nl = 0; /* another screenfull */ 79 break; 80 default: /* exit */ 81 db_printf("\n"); 82 return; 83 } 84 } 85 pp = p->p_pptr; 86 if (pp == NULL) 87 pp = p; 88 89 db_printf("%5d %06x %06x %4d %5d %5d %06x %d", 90 p->p_pid, p, p->p_addr, p->p_cred ? p->p_cred->p_ruid : 0, 91 pp->p_pid, p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag, p->p_stat); 92 if (p->p_wchan) { 93 db_printf(" %6s %08x", p->p_wmesg, p->p_wchan); 94 } else { 95 db_printf(" "); 96 } 97 db_printf(" %s\n", p->p_comm ? p->p_comm : ""); 98 99 p = p->p_next; 100 if (p == NULL && np > 0) 101 p = zombproc; 102 } 103 } 104