d46c6227fb
1998-11-11 Martin Baulig <martin@home-of-linux.org> * *.c: It does not work to get information about the swapper task on FreeBSD 2.2.6, so we simple return if pid == 0.
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
/* $Id$ */
|
|
|
|
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
|
|
This file is part of the Gnome Top Library.
|
|
Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
|
|
|
|
The Gnome Top Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The Gnome Top Library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. 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 =
|
|
(1 << GLIBTOP_PROC_ARGS_SIZE);
|
|
|
|
/* Init function. */
|
|
|
|
void
|
|
glibtop_init_proc_args_p (glibtop *server)
|
|
{
|
|
server->sysdeps.proc_args = _glibtop_sysdeps_proc_args;
|
|
}
|
|
|
|
/* Provides detailed information about a process. */
|
|
|
|
const char *
|
|
glibtop_get_proc_args_p (glibtop *server, glibtop_proc_args *buf,
|
|
pid_t pid, unsigned max_len)
|
|
{
|
|
struct kinfo_proc *pinfo;
|
|
char *retval, **args, **ptr;
|
|
unsigned size = 0;
|
|
int count;
|
|
|
|
char filename [BUFSIZ];
|
|
struct stat statb;
|
|
|
|
glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_ARGS), 0);
|
|
|
|
memset (buf, 0, sizeof (glibtop_proc_args));
|
|
|
|
/* swapper, init, pagedaemon, vmdaemon, update - this doen't work. */
|
|
if (pid < 5) return NULL;
|
|
|
|
sprintf (filename, "/proc/%d/mem", pid);
|
|
if (stat (filename, &statb)) return NULL;
|
|
|
|
glibtop_suid_enter (server);
|
|
|
|
/* Get the process data */
|
|
pinfo = kvm_getprocs (server->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->machine.kd, pinfo, max_len);
|
|
if (args == NULL) {
|
|
glibtop_suid_leave (server);
|
|
glibtop_warn_io_r (server, "kvm_getargv (%d)", pid);
|
|
return NULL;
|
|
}
|
|
|
|
glibtop_suid_leave (server);
|
|
|
|
for (ptr = args; *ptr; ptr++)
|
|
size += strlen (*ptr)+1;
|
|
|
|
buf->size = size+2;
|
|
|
|
retval = glibtop_malloc_r (server, buf->size);
|
|
memset (retval, 0, buf->size);
|
|
|
|
for (ptr = args; *ptr; ptr++) {
|
|
if (*retval) strcat (retval, " ");
|
|
strcat (retval, *ptr);
|
|
}
|
|
|
|
buf->flags = _glibtop_sysdeps_proc_args;
|
|
|
|
return retval;
|
|
}
|