osx: disable app-nap during serial comm (#687)

[proxmark3-svn] / client / util_darwin.m

diff --git a/client/util_darwin.m b/client/util_darwin.m
new file mode 100644 (file)
index 0000000..d07ebeb
--- /dev/null
+++ b/client/util_darwin.m
@@ -0,0 +1,40 @@
+//-----------------------------------------------------------------------------
+// (c) 2018 AntiCat
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// macOS framework bindings
+//-----------------------------------------------------------------------------
+
+#import "util_darwin.h"
+
+#import <Foundation/NSString.h>
+#import <Foundation/NSProcessInfo.h>
+
+static id activity = nil;
+
+//OS X Version 10.10 is defined in OS X 10.10 and later
+#if defined(MAC_OS_X_VERSION_10_10)
+void disableAppNap(const char* reason) {
+       if(activity == nil) {
+               //NSLog(@"disableAppNap: %@", @(reason));
+               activity = [[NSProcessInfo processInfo] beginActivityWithOptions:NSActivityBackground reason:@(reason)];
+               [activity retain];
+       }
+}
+
+void enableAppNap() {
+       if(activity != nil) {
+               //NSLog(@"enableAppNap");
+               [[NSProcessInfo processInfo] endActivity:activity];
+               [activity release];
+               activity = nil;
+       }
+}
+
+#else
+void disableAppNap(const char* reason) { }
+void enableAppNap() { }
+#endif