### Eclipse Workspace Patch 1.0
#P ecos
Index: io/fileio/current/src/fd.cxx
===================================================================
RCS file: /cvs/ecos/ecos/packages/io/fileio/current/src/fd.cxx,v
retrieving revision 1.7
diff -u -r1.7 fd.cxx
--- io/fileio/current/src/fd.cxx	7 Apr 2004 11:18:54 -0000	1.7
+++ io/fileio/current/src/fd.cxx	18 Jan 2008 12:22:41 -0000
@@ -157,7 +157,11 @@
     {        
         cyg_file_lock( fp, fp->f_syncmode );
         
+        FILEIO_MUTEX_UNLOCK(fdlock);
+        // closing the file might involve other file operations, e.g. 
+        // tcp/ip communication on sockets.
         error = fp->f_ops->fo_close(fp);
+        FILEIO_MUTEX_LOCK(fdlock);
 
         cyg_file_unlock( fp, fp->f_syncmode );