dff497d2fa
Use `(1L << feature)' instead of `(1 << feature)' to avoid problems with integer overflows when we add more fields.
95 lines
2.3 KiB
C
95 lines
2.3 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 <config.h>
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#include <glibtop/cpu.h>
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#include <glibtop/sysinfo.h>
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static const unsigned long _glibtop_sysdeps_sysinfo =
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(1L << GLIBTOP_SYSINFO_CPUINFO);
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static glibtop_sysinfo sysinfo;
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static void
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init_sysinfo (glibtop *server)
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{
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char buffer [BUFSIZ];
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static int init = 0;
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glibtop_entry *cpuinfo = NULL;
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FILE *f;
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if (init) return;
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init = TRUE;
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glibtop_init_s (&server, GLIBTOP_SYSDEPS_CPU, 0);
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memset (&sysinfo, 0, sizeof (glibtop_sysinfo));
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g_return_if_fail (f = fopen ("/proc/cpuinfo", "r"));
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while (fgets (buffer, BUFSIZ, f)) {
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char *p, *start, *key, *value;
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if (cpuinfo == NULL) {
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cpuinfo = &sysinfo.cpuinfo [sysinfo.ncpu++];
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cpuinfo->labels = g_ptr_array_new ();
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cpuinfo->values = g_hash_table_new (NULL, NULL);
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if (sysinfo.ncpu > GLIBTOP_NCPU)
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sysinfo.ncpu = GLIBTOP_NCPU;
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}
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p = strchr (buffer, ':');
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if (!p) continue;
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/* Remove leading spaces from `p'. */
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*p = '\0'; start = p; p++;
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while (isspace (*p)) p++;
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/* Remove trailing spaces from `buffer'. */
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while ((start > buffer) && (*start) && isspace (*start))
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*start-- = '\0';
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key = g_strdup (buffer);
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value = g_strdup (p);
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g_ptr_array_add (cpuinfo->labels, key);
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g_hash_table_insert (cpuinfo->values, key, value);
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}
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fclose (f);
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sysinfo.flags = _glibtop_sysdeps_sysinfo;
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}
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glibtop_sysinfo *
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glibtop_get_sysinfo_s (glibtop *server)
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{
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init_sysinfo (server);
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return &sysinfo;
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}
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