procstat_bin.c revision 174530
1174199Srwatson/*- 2174199Srwatson * Copyright (c) 2007 Robert N. M. Watson 3174199Srwatson * All rights reserved. 4174199Srwatson * 5174199Srwatson * Redistribution and use in source and binary forms, with or without 6174199Srwatson * modification, are permitted provided that the following conditions 7174199Srwatson * are met: 8174199Srwatson * 1. Redistributions of source code must retain the above copyright 9174199Srwatson * notice, this list of conditions and the following disclaimer. 10174199Srwatson * 2. Redistributions in binary form must reproduce the above copyright 11174199Srwatson * notice, this list of conditions and the following disclaimer in the 12174199Srwatson * documentation and/or other materials provided with the distribution. 13174199Srwatson * 14174199Srwatson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15174199Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16174199Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17174199Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18174199Srwatson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19174199Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20174199Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21174199Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22174199Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23174199Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24174199Srwatson * SUCH DAMAGE. 25174199Srwatson * 26174199Srwatson * $FreeBSD: head/usr.bin/procstat/procstat_bin.c 174530 2007-12-10 20:55:43Z rwatson $ 27174199Srwatson */ 28174199Srwatson 29174199Srwatson#include <sys/types.h> 30174199Srwatson#include <sys/sysctl.h> 31174530Srwatson#include <sys/user.h> 32174199Srwatson 33174199Srwatson#include <err.h> 34174199Srwatson#include <errno.h> 35174199Srwatson#include <limits.h> 36174199Srwatson#include <stdio.h> 37174199Srwatson#include <string.h> 38174199Srwatson 39174199Srwatson#include "procstat.h" 40174199Srwatson 41174199Srwatsonvoid 42174199Srwatsonprocstat_bin(pid_t pid, struct kinfo_proc *kipp) 43174199Srwatson{ 44174199Srwatson char pathname[PATH_MAX]; 45174199Srwatson int error, name[4]; 46174199Srwatson size_t len; 47174199Srwatson 48174199Srwatson if (!hflag) 49174530Srwatson printf("%5s %-16s %-53s\n", "PID", "COMM", "PATH"); 50174199Srwatson 51174199Srwatson name[0] = CTL_KERN; 52174199Srwatson name[1] = KERN_PROC; 53174199Srwatson name[2] = KERN_PROC_PATHNAME; 54174199Srwatson name[3] = pid; 55174199Srwatson 56174199Srwatson len = sizeof(pathname); 57174199Srwatson error = sysctl(name, 4, pathname, &len, NULL, 0); 58174199Srwatson if (error < 0 && errno != ESRCH) { 59174199Srwatson warn("sysctl: kern.proc.pathname: %d", pid); 60174199Srwatson return; 61174199Srwatson } 62174199Srwatson if (error < 0) 63174199Srwatson return; 64174199Srwatson if (len == 0 || strlen(pathname) == 0) 65174199Srwatson strcpy(pathname, "-"); 66174199Srwatson 67174199Srwatson printf("%5d ", pid); 68174530Srwatson printf("%-16s ", kipp->ki_comm); 69174199Srwatson printf("%s\n", pathname); 70174199Srwatson} 71