4be4929c2b
DANGER WILL ROBINSON! _PATH_UNIX is currently defined as the literal string "don't use this". I am of two minds about this myself, but wanted to get something into the tree as quickly as possible.
164 lines
3.8 KiB
C
164 lines
3.8 KiB
C
/*-
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* Copyright (c) 1980, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/mbuf.h>
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#include <stdlib.h>
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#include <string.h>
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#include <nlist.h>
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#include <paths.h>
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#include "systat.h"
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#include "extern.h"
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static struct mbstat *mb;
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char *mtnames[] = {
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"free",
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"data",
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"headers",
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"sockets",
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"pcbs",
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"routes",
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"hosts",
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"arps",
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"socknames",
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"zombies",
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"sockopts",
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"frags",
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"rights",
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"ifaddrs",
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};
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#define NNAMES (sizeof (mtnames) / sizeof (mtnames[0]))
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WINDOW *
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openmbufs()
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{
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return (subwin(stdscr, LINES-5-1, 0, 5, 0));
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}
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void
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closembufs(w)
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WINDOW *w;
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{
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if (w == NULL)
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return;
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wclear(w);
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wrefresh(w);
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delwin(w);
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}
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void
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labelmbufs()
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{
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wmove(wnd, 0, 0); wclrtoeol(wnd);
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mvwaddstr(wnd, 0, 10,
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"/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50 /55 /60");
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}
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void
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showmbufs()
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{
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register int i, j, max, index;
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char buf[10];
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if (mb == 0)
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return;
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for (j = 0; j < wnd->maxy; j++) {
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max = 0, index = -1;
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for (i = 0; i < wnd->maxy; i++)
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if (mb->m_mtypes[i] > max) {
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max = mb->m_mtypes[i];
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index = i;
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}
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if (max == 0)
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break;
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if (j > NNAMES)
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mvwprintw(wnd, 1+j, 0, "%10d", index);
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else
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mvwprintw(wnd, 1+j, 0, "%-10.10s", mtnames[index]);
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wmove(wnd, 1 + j, 10);
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if (max > 60) {
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sprintf(buf, " %d", max);
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max = 60;
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while (max--)
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waddch(wnd, 'X');
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waddstr(wnd, buf);
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} else {
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while (max--)
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waddch(wnd, 'X');
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wclrtoeol(wnd);
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}
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mb->m_mtypes[index] = 0;
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}
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wmove(wnd, 1+j, 0); wclrtobot(wnd);
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}
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static struct nlist namelist[] = {
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#define X_MBSTAT 0
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{ "_mbstat" },
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{ "" }
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};
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int
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initmbufs()
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{
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if (namelist[X_MBSTAT].n_type == 0) {
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if (kvm_nlist(kd, namelist)) {
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nlisterr(namelist);
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return(0);
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}
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if (namelist[X_MBSTAT].n_type == 0) {
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error("namelist on %s failed", getbootfile());
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return(0);
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}
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}
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if (mb == 0)
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mb = (struct mbstat *)calloc(1, sizeof (*mb));
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return(1);
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}
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void
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fetchmbufs()
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{
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if (namelist[X_MBSTAT].n_type == 0)
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return;
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NREAD(X_MBSTAT, mb, sizeof (*mb));
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}
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