From dd7849cd6c1d0a79d5574203f3f41cac4f22e5d6 Mon Sep 17 00:00:00 2001
From: PA4WDH
Date: Sun, 21 May 2023 11:18:09 +0200
Subject: Add signal handler

---
 cputemp2maxfreq.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/cputemp2maxfreq.c b/cputemp2maxfreq.c
index 20a3046..ebf5026 100644
--- a/cputemp2maxfreq.c
+++ b/cputemp2maxfreq.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <errno.h>
 #include <string.h>
+#include <signal.h>
 #include "sysfs.h"
 #include "cpufreq.h"
 #include "debug.h"
@@ -21,6 +22,12 @@
 struct s_cpudata cpudata;
 struct s_config config={"conservative",70000,"/sys/devices/virtual/thermal/thermal_zone0/temp",100000,2000000,10};
 
+void signal_handler(int signum)
+{
+ printf("Received signal %d, exiting.\n",signum);
+ failsafe(0);
+}
+
 int main()
 {
  long int diff;
@@ -65,6 +72,11 @@ int main()
   failsafe(1);
  }
 
+// Set signal handlers
+ signal(SIGTERM,signal_handler);
+ signal(SIGINT,signal_handler);
+ signal(SIGQUIT,signal_handler);
+
  while(1)
  {
 // Get new measurements
-- 
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