1 files changed, 47 insertions, 0 deletions
diff --git a/opentrack/appnap_mac.mm b/opentrack/appnap_mac.mm
new file mode 100644
index 00000000..3e0bea73
--- /dev/null
+++ b/opentrack/appnap_mac.mm
@@ -0,0 +1,47 @@
+#ifdef __APPLE__
+
+#import <Foundation/Foundation.h>
+
+/**
+ * Used to prevent macOS from throttling the opentrack process.
+ */
+
+id token = nil;
+
+void disable_appnap_start();
+void disable_appnap_stop();
+
+void disable_appnap_start() {
+
+    if(token){
+        NSLog(@"disable_appnap_start: already started");
+        return;
+    }
+
+
+    NSLog(@"disable_appnap_start");
+    token = [[NSProcessInfo processInfo]
+      beginActivityWithOptions: NSActivityUserInitiatedAllowingIdleSystemSleep
+      reason: @"Disable AppNap"];
+    [token retain];
+}
+
+void disable_appnap_stop() {
+    if(!token){
+        NSLog(@"disable_appnap_start: not started");
+        return;
+    }
+
+    NSLog(@"disable_appnap_stop");
+    [[NSProcessInfo processInfo] endActivity:token];
+    [token release];
+    token = nil;
+}
+
+
+
+#endif
+
+
+
+