Don't use dispatch_release() under ARC in OS X 10.8 or iOS 6.0 and later

CGDWebServer/GCDWebServer.m

@@ -282,7 +282,7 @@ static void _NetServiceClientCallBack(CFNetServiceRef service, CFStreamError* er
     }
     
     dispatch_source_cancel(_source);  // This will close the socket
-    dispatch_release(_source);
+    ARC_DISPATCH_RELEASE(_source);
     _source = NULL;
     
     LOG_VERBOSE(@"%@ stopped", [self class]);

CGDWebServer/GCDWebServerConnection.m

@@ -201,7 +201,7 @@ static dispatch_queue_t _formatterQueue = NULL;
 #endif
   });
   [self _writeBuffer:buffer withCompletionBlock:block];
-  dispatch_release(buffer);
+  ARC_DISPATCH_RELEASE(buffer);
 }
 
 - (void)_writeHeadersWithCompletionBlock:(WriteHeadersCompletionBlock)block {
@@ -226,7 +226,7 @@ static dispatch_queue_t _formatterQueue = NULL;
       }
       
     }];
-    dispatch_release(wrapper);
+    ARC_DISPATCH_RELEASE(wrapper);
   } else if (result < 0) {
     LOG_ERROR(@"Failed reading response body on socket %i (error %i)", _socket, (int)result);
     block(NO);

CGDWebServer/GCDWebServerPrivate.h

@@ -25,6 +25,8 @@
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#import <TargetConditionals.h>
+
 #if __has_feature(objc_arc)
 #define ARC_BRIDGE __bridge
 #define ARC_BRIDGE_RELEASE(__OBJECT__) CFBridgingRelease(__OBJECT__)
@@ -32,6 +34,11 @@
 #define ARC_RELEASE(__OBJECT__)
 #define ARC_AUTORELEASE(__OBJECT__) __OBJECT__
 #define ARC_DEALLOC(__OBJECT__)
+#if (TARGET_OS_IPHONE && (__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_6_0)) || (!TARGET_OS_IPHONE && (__MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8))
+#define ARC_DISPATCH_RELEASE(__OBJECT__)
+#else
+#define ARC_DISPATCH_RELEASE(__OBJECT__) dispatch_release(__OBJECT__)
+#endif
 #else
 #define ARC_BRIDGE
 #define ARC_BRIDGE_RELEASE(__OBJECT__) [(id)__OBJECT__ autorelease]
@@ -39,6 +46,7 @@
 #define ARC_RELEASE(__OBJECT__) [__OBJECT__ release]
 #define ARC_AUTORELEASE(__OBJECT__) [__OBJECT__ autorelease]
 #define ARC_DEALLOC(__OBJECT__) [__OBJECT__ dealloc]
+#define ARC_DISPATCH_RELEASE(__OBJECT__) dispatch_release(__OBJECT__)
 #endif
 
 #import "GCDWebServerConnection.h"