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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., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include <glibtop.h>
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#include <glibtop/loadavg.h>
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#include <glibtop_suid.h>
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static const unsigned long _glibtop_sysdeps_loadavg =
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(1 << GLIBTOP_LOADAVG_LOADAVG);
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/* Provides load averange. */
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void
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glibtop_get_loadavg_p (glibtop *server, glibtop_loadavg *buf)
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{
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load_avg avenrun [3];
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int i;
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glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_LOADAVG), 0);
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memset (buf, 0, sizeof (glibtop_loadavg));
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/* !!! THE FOLLOWING CODE RUNS SGID KMEM - CHANGE WITH CAUTION !!! */
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setregid (server->machine->gid, server->machine->egid);
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/* get the load average array */
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(void) _glibtop_getkval (server, _glibtop_nlist [X_AVENRUN].n_value,
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(int *) avenrun, sizeof (avenrun),
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_glibtop_nlist [X_AVENRUN].n_name);
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if (setregid (server->machine->egid, server->machine->gid))
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_exit (1);
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/* !!! END OF SGID KMEM PART !!! */
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for (i = 0; i < 3; i++) {
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/* Calculate loadavg values from avenrun. */
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buf->loadavg [i] = loaddouble (avenrun [i]);
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}
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/* Now we can set the flags. */
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buf->flags = _glibtop_sysdeps_loadavg;
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}
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