From 0a915305a6481f3b9553511376358ab81a51724c Mon Sep 17 00:00:00 2001 From: David Date: Thu, 5 Jun 2014 17:49:36 +1200 Subject: Clean-ups --- getcore.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 getcore.c (limited to 'getcore.c') diff --git a/getcore.c b/getcore.c new file mode 100644 index 0000000..7ef5c91 --- /dev/null +++ b/getcore.c @@ -0,0 +1,63 @@ +/************************************************************************ + * 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 * + * . * + ************************************************************************/ + +#include "getcore.h" + +#include "common.h" + +#include +#include +#include + +unsigned int cores; + + +/*********************************************************************** + * Return true/false if specified core num exists + **********************************************************************/ +bool 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")); +} + + +/*********************************************************************** + * Initialise surrounding variables + **********************************************************************/ +void gc_init() +{ + cores = 0; + while(core_exists(++cores)); + debug("Found %d cores\n",cores); +} + + +/*********************************************************************** + * Return number of cores + **********************************************************************/ +int gc_number() +{ + return cores; +} -- cgit v1.1