1 files changed, 11 insertions, 0 deletions

diff --git a/src/stable/myriad.h b/src/stable/myriad.h
index 3382ab5..14e8c73 100644
--- a/src/stable/myriad.h
+++ b/src/stable/myriad.h
@@ -13,6 +13,7 @@
 #include "bu/exceptionbase.h"
 #include "bu/array.h"
 #include "bu/hash.h"
+#include "bu/mutex.h"
 
 namespace Bu
 {
@@ -153,6 +154,13 @@ namespace Bu
                  * depending on weather or not it's a Myriad stream.  This will throw
                  * an exception if the stream is empty, or is not random access.
                  */
+                static bool isMyriad( Bu::Stream &sStore, uint8_t &uVer );
+                
+                /**
+                 * Read the first few bytes from the given stream and return true/false
+                 * depending on weather or not it's a Myriad stream.  This will throw
+                 * an exception if the stream is empty, or is not random access.
+                 */
                 static bool isMyriad( Bu::Stream &sStore );
 
                 const Bu::BitString &getBlocksUsed() const;
@@ -216,6 +224,9 @@ namespace Bu
                 typedef Bu::Hash<int, Block *> BlockHash;
                 BlockHash hActiveBlocks;
                 bool bHeaderChanged;
+
+                Bu::Mutex mHeader;
+                Bu::Mutex mActiveBlocks;
         };
 };