Files
libgtop/sysdeps/kernel/prockernel.c
Martin Baulig 6120c5e4a8 Use (1L << feature)' instead of (1 << feature)' to avoid problems
with integer overflows when we add more fields.
1999-05-06 21:35:36 +00:00

78 lines
2.3 KiB
C

/* $Id$ */
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 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/prockernel.h>
#include <glibtop_private.h>
static const unsigned long _glibtop_sysdeps_proc_kernel =
(1L << GLIBTOP_PROC_KERNEL_MIN_FLT) +
(1L << GLIBTOP_PROC_KERNEL_MAJ_FLT) +
(1L << GLIBTOP_PROC_KERNEL_CMIN_FLT) +
(1L << GLIBTOP_PROC_KERNEL_CMAJ_FLT) +
(1L << GLIBTOP_PROC_KERNEL_KSTK_ESP) +
(1L << GLIBTOP_PROC_KERNEL_KSTK_EIP);
static const unsigned long _glibtop_sysdeps_proc_kernel_kernel =
(1L << GLIBTOP_PROC_KERNEL_NWCHAN);
/* Init function. */
void
glibtop_init_proc_kernel_s (glibtop *server)
{
server->sysdeps.proc_kernel = _glibtop_sysdeps_proc_kernel |
_glibtop_sysdeps_proc_kernel_kernel;
}
/* Provides detailed information about a process. */
void
glibtop_get_proc_kernel_s (glibtop *server, glibtop_proc_kernel *buf,
pid_t pid)
{
libgtop_proc_state_t proc_state;
libgtop_proc_kernel_t proc_kernel;
memset (buf, 0, sizeof (glibtop_proc_kernel));
if (glibtop_get_proc_data_proc_state_s (server, &proc_state, pid))
return;
buf->min_flt = proc_state.min_flt;
buf->maj_flt = proc_state.maj_flt;
buf->cmin_flt = proc_state.cmin_flt;
buf->cmaj_flt = proc_state.cmaj_flt;
buf->kstk_esp = proc_state.kesp;
buf->kstk_eip = proc_state.keip;
buf->flags = _glibtop_sysdeps_proc_kernel;
if (glibtop_get_proc_data_proc_kernel_s (server, &proc_kernel, pid))
return;
buf->nwchan = proc_kernel.wchan;
buf->flags |= _glibtop_sysdeps_proc_kernel_kernel;
}