Thread safety for zrle, zlib, tight.

Proposed tight security type fix for debian bug 517422.

1 files changed, 11 insertions, 0 deletions

diff --git a/rfb/rfb.h b/rfb/rfb.h
index 4f3a664..b28a863 100644
--- a/rfb/rfb.h
+++ b/rfb/rfb.h
@@ -589,6 +589,17 @@ typedef struct _rfbClientRec {
     int progressiveSliceY;
 
     rfbExtensionData* extensions;
+
+    /* for threaded zrle */
+    char *zrleBeforeBuf;
+    void *paletteHelper;
+
+    /* for thread safety for rfbSendFBUpdate() */
+#ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
+#define LIBVNCSERVER_SEND_MUTEX
+    MUTEX(sendMutex);
+#endif
+
 } rfbClientRec, *rfbClientPtr;
 
 /*