Use OS X 10.10 QoS

kornelski · kornelski · commit d06968969269 · 2015-12-11T18:47:26.000Z
diff --git a/imageoptim/FilesQueue.m b/imageoptim/FilesQueue.m
@@ -17,6 +17,7 @@ - (instancetype)initWithCPUs:(NSInteger)cpus dirs:(NSInteger)dirs files:(NSInteg
     self = [super init];
     if (self) {
         self.defaults = defaults;
+        BOOL lowPriority = [defaults boolForKey:@"RunLowPriority"];
 
         cpuQueue = [NSOperationQueue new];
         [cpuQueue setMaxConcurrentOperationCount:cpus?cpus:NSOperationQueueDefaultMaxConcurrentOperationCount];
@@ -26,6 +27,12 @@ - (instancetype)initWithCPUs:(NSInteger)cpus dirs:(NSInteger)dirs files:(NSInteg
 
         fileIOQueue = [NSOperationQueue new];
         [fileIOQueue setMaxConcurrentOperationCount:fileops?fileops:2];
+
+        if ([cpuQueue respondsToSelector:@selector(setQualityOfService:)]) {
+            cpuQueue.qualityOfService = lowPriority ? NSQualityOfServiceUtility : NSQualityOfServiceUserInitiated;
+            fileIOQueue.qualityOfService = lowPriority ? NSQualityOfServiceUtility : NSQualityOfServiceUserInitiated;
+            dirWorkerQueue.qualityOfService = NSQualityOfServiceUserInitiated;
+        }
     }
     return self;
 }
diff --git a/imageoptim/Workers/CommandWorker.m b/imageoptim/Workers/CommandWorker.m
@@ -46,6 +46,10 @@ -(void)taskWithPath:(NSString *)path arguments:(NSArray *)arguments;
 {
     task = [NSTask new];
 
+    if ([task respondsToSelector:@selector(setQualityOfService:)]) {
+        task.qualityOfService = NSQualityOfServiceUtility;
+    }
+
     IODebug("Launching %@ %@",path,[arguments componentsJoinedByString:@" "]);
 
     [task setLaunchPath: path];

Original file line number	Diff line number	Diff line change
`@@ -46,6 +46,10 @@ -(void)taskWithPath:(NSString )path arguments:(NSArray )arguments;`
`46`	`46`	`{`
`47`	`47`	`task = [NSTask new];`
`48`	`48`
	`49`	`+ if ([task respondsToSelector:@selector(setQualityOfService:)]) {`
	`50`	`+ task.qualityOfService = NSQualityOfServiceUtility;`
	`51`	`+ }`
	`52`	`+`
`49`	`53`	`IODebug("Launching %@ %@",path,[arguments componentsJoinedByString:@" "]);`
`50`	`54`
`51`	`55`	`[task setLaunchPath: path];`