ab60fc3dd1
2002-12-30 Bastien Nocera <hadess@hadess.net> * Added sysdeps/aix directory that was missing
129 lines
2.8 KiB
C
129 lines
2.8 KiB
C
/* $Id$ */
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/* Copyright (C) 1998-99 Martin Baulig
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This file is part of LibGTop 1.0.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 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 <sys/vminfo.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/swap.h>
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static const 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 "/etc/swapspaces"
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/* Init function. */
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void
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glibtop_init_swap_s (glibtop *server)
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{
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server->sysdeps.swap = _glibtop_sysdeps_swap;
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}
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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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struct vminfo vminfo;
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struct pginfo pginfo;
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int pagesize;
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int result;
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FILE* fd;
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char device_name[128];
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int c;
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int comment = 0;
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int pos = 0;
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memset (buf, 0, sizeof (glibtop_swap));
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pagesize = sysconf(_SC_PAGESIZE);
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fd = fopen(FILENAME, "r");
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if (fd == NULL)
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{
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glibtop_error_io_r (server, "open (%s)", FILENAME);
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}
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buf->total = 0;
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buf->free = 0;
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while((c = getc(fd)) != EOF)
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{
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if (comment)
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{
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/* skip comments */
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if (c == '\n') comment = 0;
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continue;
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}
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switch(c)
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{
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case '*':
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comment = 1;
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break;
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case '\n':
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device_name[pos] = 0;
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pos = 0;
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if (strncmp("dev=", device_name, 4) == 0)
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{
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result = swapqry(device_name+4, &pginfo);
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if (result == -1)
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{
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glibtop_error_io_r (server, "Cannot read pginfo");
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break;
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}
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buf->total += pginfo.size * pagesize;
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buf->free += pginfo.free * pagesize;;
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}
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break;
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case ' ':
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case '\t':
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break;
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default:
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device_name[pos++] = c;
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break;
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}
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}
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buf->used = buf->total - buf->free;
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fclose(fd);
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#ifdef HAVE_VMGETINFO
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result = vmgetinfo((void*)&vminfo, VMINFO, sizeof(vminfo));
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#else
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result = _glibtop_vmgetinfo((void*)&vminfo, VMINFO, sizeof(vminfo));
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#endif
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if (result == -1)
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{
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glibtop_error_io_r (server, "Cannot read vminfo");
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return;
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}
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buf->pagein = vminfo.pageins;
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buf->pageout = vminfo.pageouts;
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buf->flags = _glibtop_sysdeps_swap;
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}
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