2e454140f1
1998-08-01 Martin Baulig <martin@home-of-linux.org> * include/glibtop/swap.h (glibtop_swap): Added `pagein' and `pageout'. * kernel/table20/table.h: Removed. * kernel/table21/table.h: Removed. * kernel/table.h: Added. Things are now binary compatible between both kernel versions.
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/* $Id$ */
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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the Gnome Top Library.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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The Gnome Top Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome Top Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <config.h>
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#include <glibtop/error.h>
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#include <glibtop/swap.h>
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#include <fcntl.h>
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static unsigned long _glibtop_sysdeps_swap =
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(1 << GLIBTOP_SWAP_TOTAL) + (1 << GLIBTOP_SWAP_USED) +
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(1 << GLIBTOP_SWAP_FREE) + (1 << GLIBTOP_SWAP_PAGEIN) +
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(1 << GLIBTOP_SWAP_PAGEOUT);
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#define FILENAME "/proc/meminfo"
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/* Provides information about swap usage. */
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void
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glibtop_get_swap_s (glibtop *server, glibtop_swap *buf)
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{
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char buffer [BUFSIZ+1], *ptr;
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int fd, len;
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FILE *f;
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glibtop_init_s (&server, 0, 0);
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memset (buf, 0, sizeof (glibtop_swap));
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buf->flags = _glibtop_sysdeps_swap;
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f = fopen ("/proc/meminfo", "r");
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if (!f) return;
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fscanf (f, "%*[^\n]\n%*[^\n]\nSwap: %Lu %Lu %Lu\n",
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&buf->total, &buf->used, &buf->free);
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fclose (f);
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fd = open ("/proc/stat", O_RDONLY);
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len = read (fd, buffer, BUFSIZ);
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close (fd);
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ptr = strstr (buffer, "\nswap");
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if (ptr == NULL) return;
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sscanf (ptr, "\nSwap: %Lu %Lu\n",
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&buf->pagein, &buf->pageout);
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}
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