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authorDavid <dbphillipsnz@gmail.com>2014-05-10 14:10:41 +1200
committerDavid <dbphillipsnz@gmail.com>2014-05-10 14:10:41 +1200
commitc6b5a3477b87ced86356813a578c19f6b345008b (patch)
tree5c7355d973296c1a5981319f712a3d0f9928dcca /getcore.c
parent68c8dfd0de28f61f27b20de271d2776219a30895 (diff)
parente05ece0acdc38ecf16e3ed2088a557248537d2a7 (diff)
downloadparamano-c6b5a3477b87ced86356813a578c19f6b345008b.tar.xz
Merge branch 'reload-config' Conflicts: Makefile
Diffstat (limited to 'getcore.c')
-rw-r--r--getcore.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/getcore.c b/getcore.c
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+++ b/getcore.c
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+/************************************************************************
+ * This file is part of trayfreq-archlinux. *
+ * *
+ * trayfreq-archlinux 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 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * trayfreq-archlinux 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 trayfreq-archlinux. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ ************************************************************************/
+
+#include "getcore.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <glib.h>
+
+unsigned int NUMBER_OF_CORES;
+
+static gboolean core_exists(unsigned int core)
+{
+ FILE* fd;
+ char path[80];
+ char corestr[4];
+
+ sprintf(corestr, "%d", core);
+ sprintf(path, "/sys/devices/system/cpu/cpu%s/cpufreq/scaling_cur_freq", corestr);
+ debug("Checking if core %d exists by opening '%s'\n",core,path);
+ return (gboolean)(fd = fopen(path, "r"));
+}
+
+void gc_init()
+{
+ NUMBER_OF_CORES = 0;
+ while(core_exists(++NUMBER_OF_CORES));
+ debug("Found %d cores\n",NUMBER_OF_CORES);
+}
+
+
+/* to do */
+int gc_number()
+{
+ return NUMBER_OF_CORES;
+}