From 74c750b8ac0cf2dbfd0169faacba15dc9d271503 Mon Sep 17 00:00:00 2001
From: Raafat Akkad <raafat.akkad@gmail.com>
Date: Wed, 5 Jul 2023 19:51:21 +0100
Subject: [PATCH] Exit if no fans are detected

---
 Classes/FanControl.m | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Classes/FanControl.m b/Classes/FanControl.m
index 0508033..d31e759 100755
--- a/Classes/FanControl.m
+++ b/Classes/FanControl.m
@@ -52,18 +52,29 @@ +(void) initialize {
 	//avoid Zombies when starting external app
 	signal(SIGCHLD, SIG_IGN);
     
-    [FanControl copyMachinesIfNecessary];
 	//check owner and suid rights
 	[FanControl setRights];
 
 	//talk to smc
 	[smcWrapper init];
 	
+	[FanControl terminateIfNoFans];
+
+	[FanControl copyMachinesIfNecessary];
+
 	//app in foreground for update notifications
 	[[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
 
 }
 
++(void) terminateIfNoFans {
+    int fan_num = [smcWrapper get_fan_num];
+    if (fan_num <= 0) {
+        NSLog(@"Exiting as %d fans were detected for Model Identifier: %@", fan_num, [MachineDefaults computerModel]);
+        [[NSApplication sharedApplication] terminate:self];
+    }
+}
+
 +(void)copyMachinesIfNecessary
 {
     NSString *path = [[[NSFileManager defaultManager] applicationSupportDirectory] stringByAppendingPathComponent:@"Machines.plist"];