update

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@123 42af7a65-404d-4744-a932-0658087f49c3

Documentation/NuttX.html

@@ -180,7 +180,7 @@
 </table>
 
 <p>
-   The third release of NuttX (nuttx-0.1.2) is avalable for download
+   The fourth release of NuttX (nuttx-0.2.1) is avalable for download
    from the <a href="http://sourceforge.net/project/showfiles.php?group_id=189573">SourceForge</a>
    website.
 </p>

TODO

@@ -27,6 +27,9 @@ o pthreads
 - pthread_cancel():  Should implemenent cancellation points and pthread_testcancel()
 
 o Libraries
+- There needs to be some kind of mutual exclusion protection on buffered
+  I/O.  If two threads try fflush-ing at the same time, there is corruption
+  of the output.
 
 o File system
 - This probabaly needs some rethinking.
@@ -71,4 +74,3 @@ o pjrc-8052 / MCS51
   sighand.c at 225 and 244
 
 o DM320
-- In progress