115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* $Id$ */
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/* Copyright (C) 1998 Joshua Sled
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This file is part of LibGTop 1.0.
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Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/xmalloc.h>
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#include <glibtop/procargs.h>
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#include <glibtop_suid.h>
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#include <kvm.h>
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#include <sys/param.h>
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#include <sys/proc.h>
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static const unsigned long _glibtop_sysdeps_proc_args =
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(1L << GLIBTOP_ARRAY_NUMBER) + (1L << GLIBTOP_ARRAY_SIZE);
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/* Init function. */
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int
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glibtop_init_proc_args_p (glibtop *server)
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{
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server->sysdeps.proc_args = _glibtop_sysdeps_proc_args;
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return 0;
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}
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/* Provides detailed information about a process. */
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char **
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glibtop_get_proc_args_p (glibtop *server, glibtop_array *array, pid_t pid)
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{
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struct kinfo_proc *pinfo;
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char **args, **ptr, **ptrlist;
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size_t count;
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int i;
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#ifndef __bsdi__
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char filename [BUFSIZ];
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struct stat statb;
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#endif
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glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_ARGS), 0);
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memset (array, 0, sizeof (glibtop_array));
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/* swapper, init, pagedaemon, vmdaemon, update - this doen't work. */
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if (pid < 5) return NULL;
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#ifndef __bsdi__
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sprintf (filename, "/proc/%d/mem", pid);
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if (stat (filename, &statb)) return NULL;
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#endif
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glibtop_suid_enter (server);
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/* Get the process data */
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pinfo = kvm_getprocs (server->_priv->machine.kd,
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KERN_PROC_PID, pid, &count);
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if ((pinfo == NULL) || (count < 1)) {
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glibtop_suid_leave (server);
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glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
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return NULL;
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}
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args = kvm_getargv (server->_priv->machine.kd, pinfo, BUFSIZ);
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if (args == NULL) {
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glibtop_suid_leave (server);
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glibtop_warn_io_r (server, "kvm_getargv (%d)", pid);
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return NULL;
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}
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glibtop_suid_leave (server);
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count = 0;
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for (ptr = args; *ptr; ptr++)
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count++;
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ptrlist = glibtop_calloc_r (server, count+1, sizeof (char *));
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for (i = 0, ptr = args; *ptr; ptr++, i++) {
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ptrlist [i] = glibtop_strdup_r (server, *ptr);
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}
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ptrlist [count] = NULL;
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array->number = count;
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array->size = sizeof (char *);
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array->flags = _glibtop_sysdeps_proc_args;
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return ptrlist;
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}
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