123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
/*-
|
|
* Copyright (c) 1998 Andrzej Bialecki
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* Small replacement for ps(1) - uses only sysctl(3) to retrieve info
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/param.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/user.h>
|
|
|
|
char p_stat[] = "?iRSTZWM";
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int mib[4], i, num, len, j, plen;
|
|
char buf[MAXPATHLEN], vty[5], pst[5], wmesg[10];
|
|
struct kinfo_proc *ki;
|
|
char *t;
|
|
int ma, mi;
|
|
|
|
mib[0] = CTL_KERN;
|
|
mib[1] = KERN_PROC;
|
|
mib[2] = KERN_PROC_ALL;
|
|
if (sysctl(mib, 3, NULL, &len, NULL, 0) != 0) {
|
|
perror("sysctl sizing");
|
|
exit(1);
|
|
}
|
|
t = (char *)malloc(len);
|
|
if (sysctl(mib, 3, t, &len, NULL, 0) != 0) {
|
|
perror("sysctl info");
|
|
exit(1);
|
|
}
|
|
mib[2] = KERN_PROC_ARGS;
|
|
num = len / KINFO_PROC_SIZE;
|
|
i = 0;
|
|
printf("USERNAME PID PPID PRI NICE TTY STAT WCHAN COMMAND\n");
|
|
while(i < num) {
|
|
ki = (struct kinfo_proc *)(t + (num - i - 1) * KINFO_PROC_SIZE);
|
|
mib[3] = ki->ki_pid;
|
|
plen = MAXPATHLEN;
|
|
if (sysctl(mib, 4, buf, &plen, NULL, 0) != 0) {
|
|
perror("sysctl cmd info");
|
|
exit(1);
|
|
}
|
|
if (plen == 0) {
|
|
sprintf(buf, "(%s)", ki->ki_comm);
|
|
} else {
|
|
for (j = 0; j < plen - 1; j++) {
|
|
if (buf[j] == '\0') buf[j] = ' ';
|
|
}
|
|
}
|
|
if (strcmp(ki->ki_wmesg, "") == 0) {
|
|
sprintf(wmesg, "-");
|
|
} else {
|
|
strcpy(wmesg, ki->ki_wmesg);
|
|
}
|
|
ma = major(ki->ki_tdev);
|
|
mi = minor(ki->ki_tdev);
|
|
switch(ma) {
|
|
case 255:
|
|
strcpy(vty, "??");
|
|
break;
|
|
case 12:
|
|
if(mi != 255) {
|
|
sprintf(vty, "v%d", mi);
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
case 0:
|
|
strcpy(vty, "con");
|
|
break;
|
|
case 5:
|
|
sprintf(vty, "p%d", mi);
|
|
break;
|
|
}
|
|
sprintf(pst, "%c", p_stat[ki->ki_stat]);
|
|
printf("%8s %5u %5u %3d %4d %3s %-4s %-7s %s\n",
|
|
ki->ki_login,
|
|
ki->ki_pid,
|
|
ki->ki_ppid,
|
|
ki->ki_priority - 22,
|
|
ki->ki_nice,
|
|
vty,
|
|
pst,
|
|
wmesg,
|
|
buf);
|
|
i++;
|
|
}
|
|
free((void *)t);
|
|
exit(0);
|
|
}
|