Files
libgtop/sysdeps/freebsd/procargs.c
Martin Baulig 4e42a2aa17 Better use BUFSIZ' instead of PAGE_SIZE' since this is large enough
and not all flavors of BSD define `PAGE_SIZE' in user-level header
files.
2000-01-12 12:24:20 +00:00

115 lines
2.9 KiB
C

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