add missing files

winsup/cygwin/include/sys/stdio.h

@@ -0,0 +1,25 @@
+/* sys/stdio.h
+
+   Copyright 2004 Red Hat, Inc.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifndef _SYS_STDIO_H_
+#define _SYS_STDIO_H_
+
+#include <sys/lock.h>
+
+#if !defined(__SINGLE_THREAD__)
+#  if !defined(_flockfile)
+#    define _flockfile(fp) __cygwin_lock_lock ((_LOCK_T *)&(fp)->_lock)
+#  endif
+#  if !defined(_funlockfile)
+#    define _funlockfile(fp) __cygwin_lock_unlock ((_LOCK_T *)&(fp)->_lock)
+#  endif
+#endif
+ 
+#endif