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92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*-
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* Copyright (c) 2007 Robert N. M. Watson
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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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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <err.h>
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#include <errno.h>
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#include <libprocstat.h>
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#include <limits.h>
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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 "procstat.h"
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static char args[ARG_MAX];
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static void
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do_args(struct kinfo_proc *kipp, int env)
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{
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int error, name[4];
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size_t len;
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char *cp;
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if (!hflag)
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printf("%5s %-16s %-53s\n", "PID", "COMM",
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env ? "ENVIRONMENT" : "ARGS");
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name[0] = CTL_KERN;
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name[1] = KERN_PROC;
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name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
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name[3] = kipp->ki_pid;
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len = sizeof(args);
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error = sysctl(name, 4, args, &len, NULL, 0);
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if (error < 0 && errno != ESRCH && errno != EPERM) {
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warn("sysctl: kern.proc.%s: %d: %d", env ? "env" : "args",
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kipp->ki_pid, errno);
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return;
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}
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if (error < 0)
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return;
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if (len == 0 || strlen(args) == 0) {
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strcpy(args, "-");
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len = strlen(args) + 1;
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}
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printf("%5d ", kipp->ki_pid);
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printf("%-16s ", kipp->ki_comm);
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for (cp = args; cp < args + len; cp += strlen(cp) + 1)
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printf("%s%s", cp != args ? " " : "", cp);
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printf("\n");
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}
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void
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procstat_args(struct kinfo_proc *kipp)
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{
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do_args(kipp, 0);
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}
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void
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procstat_env(struct kinfo_proc *kipp)
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{
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do_args(kipp, 1);
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}
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