105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*-
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* Copyright (c) 1998 Andrzej Bialecki
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* $Id: sps.c,v 1.2 1998/07/17 07:55:47 abial Exp $
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*/
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/*
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* Small replacement for ps(1) - uses only sysctl(3) to retrieve info
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/stat.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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char p_stat[]="?iRSTZ";
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int
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main(int argc, char *argv[])
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{
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int mib[3],i=0,num,len;
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struct kinfo_proc kp,*t,*u;
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char buf[20],vty[5],pst[5];
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int ma,mi;
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mib[0]=CTL_KERN;
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mib[1]=KERN_PROC;
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mib[2]=KERN_PROC_ALL;
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if(sysctl(mib,3,NULL,&len,NULL,0)) {
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perror("sysctl sizing");
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exit(1);
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}
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t=(struct kinfo_proc *)malloc(len);
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if(sysctl(mib,3,t,&len,NULL,0)) {
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perror("sysctl info");
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exit(1);
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}
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num=len / sizeof(struct kinfo_proc);
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i=0;
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printf("USERNAME PID PPID PRI NICE TTY STAT WCHAN COMMAND\n");
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while(i<num) {
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u=(t+num-i-1);
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ma=major(u->kp_eproc.e_tdev);
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mi=minor(u->kp_eproc.e_tdev);
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switch(ma) {
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case 255:
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strcpy(vty,"??");
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break;
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case 12:
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if(mi!=255) {
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sprintf(vty,"v%d",mi);
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break;
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}
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/* FALLTHROUGH */
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case 0:
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strcpy(vty,"con");
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break;
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case 5:
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sprintf(vty,"p%d",mi);
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break;
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}
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sprintf(pst,"%c",p_stat[u->kp_proc.p_stat]);
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printf("%8s%5d%5d %3d %4d %3s %-4s %-7s (%s)\n",
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u->kp_eproc.e_login,
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u->kp_proc.p_pid,
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u->kp_eproc.e_ppid,
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u->kp_proc.p_priority,
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u->kp_proc.p_nice,
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vty,
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pst,
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u->kp_eproc.e_wmesg,
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u->kp_proc.p_comm);
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i++;
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}
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free(t);
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exit(0);
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}
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