2 files changed, 4 insertions, 1 deletions
diff --git a/include/dchat/Gif.hpp b/include/dchat/Gif.hpp
index 9e39473..c870d1c 100644
--- a/include/dchat/Gif.hpp
+++ b/include/dchat/Gif.hpp
@@ -19,6 +19,7 @@ namespace dchat
         GifLoadException(const std::string &errMsg) : std::runtime_error(errMsg) {}
     };
     
+    // Gif is in image format ARGB (32-bits in total)
     class Gif
     {
     public:
diff --git a/include/dchat/Room.hpp b/include/dchat/Room.hpp
index 4938aea..5dd0e3f 100644
--- a/include/dchat/Room.hpp
+++ b/include/dchat/Room.hpp
@@ -8,6 +8,7 @@
 #include <memory>
 #include <vector>
 #include <functional>
+#include <mutex>
 #include <odhtdb/Database.hpp>
 
 namespace dchat
@@ -26,7 +27,7 @@ namespace dchat
     {
         DISABLE_COPY(Room)
     public:
-        Room(Rooms *rooms, std::shared_ptr<odhtdb::Hash> id, std::shared_ptr<odhtdb::OwnedByteArray> encryptionKey);
+        Room(Rooms *rooms, std::shared_ptr<odhtdb::Hash> id);
         std::shared_ptr<User> addUser(const odhtdb::Signature::PublicKey &userPublicKey, const odhtdb::DataView groupId);
         // Returns null if user doesn't exist in room
         std::shared_ptr<User> getUserByPublicKey(const odhtdb::Signature::PublicKey &userPublicKey);
@@ -114,5 +115,6 @@ namespace dchat
 
         std::string currentUsername;
         std::string currentUserPassword;
+        std::recursive_mutex roomModifyMutex;
     };
 }
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