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/* This file is part of cputemp2maxfreq.
Copyright (C) 2023-2024 pa4wdh
cputemp2maxfreq 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.
cputemp2maxfreq 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 cputemp2maxfreq; see the file COPYING. If not, see
<http://www.gnu.org/licenses>.
*/
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "cputemp2maxfreq.h"
#include "cpufreq.h"
#include "logger.h"
#include "cpulist.h"
extern struct s_cpudata cpudata;
extern struct s_config config;
void failsafe(int code)
{
// Close CSV log if used
if (config.csvfile!=NULL) csvlog_close();
if (((config.keepstate==1) && (code!=0)) || config.keepstate==0)
{
// First try to set the CPU to it's minimum frequency
if (cpufreq_set_long_int("scaling_max_freq",cpudata.min_freq,100)>0)
{
config.logger("Set scaling frequency to CPU's minimum frequency");
cpulist_free();
exit(code);
}
config.logger("Failed to set scaling frequency to CPU's minimum frequency, error: %d (%s)",errno,strerror(errno));
// If that failed, try the fallback frequency
if (cpufreq_set_long_int("scaling_max_freq",config.fallback_freq,100)>0)
{
config.logger("Set scaling frequency to fallback frequency");
cpulist_free();
exit(code);
}
config.logger("Failed to set scaling frequency to fallback frequency, error: %d (%s)",errno,strerror(errno));
// Everything failed, issue a warning
config.logger("All safety measures failed, watch out not to fry your hardware");
} else {
// User asked for no action
config.logger("Keeping current state due to -k option");
}
cpulist_free();
exit(code);
}
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