[Tizen.Network.WiFi] Use lock on checking if instance is null (#119)

[platform/core/csapi/tizenfx.git] / src / Tizen.Network.WiFi / Tizen.Network.WiFi / WiFiManagerImpl.cs

diff --git a/src/Tizen.Network.WiFi/Tizen.Network.WiFi/WiFiManagerImpl.cs b/src/Tizen.Network.WiFi/Tizen.Network.WiFi/WiFiManagerImpl.cs
index 03c138e..ec52dc9 100755 (executable)
--- a/src/Tizen.Network.WiFi/Tizen.Network.WiFi/WiFiManagerImpl.cs
+++ b/src/Tizen.Network.WiFi/Tizen.Network.WiFi/WiFiManagerImpl.cs
@@ -46,7 +46,8 @@ namespace Tizen.Network.WiFi
 
     internal partial class WiFiManagerImpl
     {
-        private static WiFiManagerImpl _instance = null;
+        private static readonly Lazy<WiFiManagerImpl> _instance =
+            new Lazy<WiFiManagerImpl>(() => new WiFiManagerImpl());
         private Dictionary<IntPtr, Interop.WiFi.VoidCallback> _callback_map = new Dictionary<IntPtr, Interop.WiFi.VoidCallback>();
         private int _requestId = 0;
         private string _macAddress;
@@ -121,13 +122,7 @@ namespace Tizen.Network.WiFi
         {
             get
             {
-                if (_instance == null)
-                {
-                    Log.Debug(Globals.LogTag, "Instance is null");
-                    _instance = new WiFiManagerImpl();
-                }
-
-                return _instance;
+               return _instance.Value;
             }
         }
 
@@ -139,6 +134,7 @@ namespace Tizen.Network.WiFi
 
         private WiFiManagerImpl()
         {
+            Log.Info(Globals.LogTag, "WiFiManagerImpl constructor");
         }
 
         internal SafeWiFiManagerHandle GetSafeHandle()
@@ -453,15 +449,5 @@ namespace Tizen.Network.WiFi
             }
             return task.Task;
         }
-
-        internal void UpdateAP(Interop.WiFi.SafeWiFiAPHandle apHandle)
-        {
-            int ret = Interop.WiFi.UpdateAP(GetSafeHandle(), apHandle.DangerousGetHandle());
-            if (ret != (int)WiFiError.None)
-            {
-                Log.Error(Globals.LogTag, "Failed to update AP, Error - " + (WiFiError)ret);
-                WiFiErrorFactory.ThrowWiFiException(ret, GetSafeHandle().DangerousGetHandle(), apHandle.DangerousGetHandle());
-            }
-        }
     }
 }