2013-04-25 Sebastian Huber <sebastian.huber@embedded-brains.de>

* libc/stdio/local.h (_STDIO_CLOSE_PER_REENT_STD_STREAMS): New define.
	* libc/stdio/findfp.c (_STDIO_CLOSE_PER_REENT_STD_STREAMS): Use define.

newlib/ChangeLog

@@ -1,3 +1,8 @@
+2013-04-25  Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+	* libc/stdio/local.h (_STDIO_CLOSE_PER_REENT_STD_STREAMS): New define.
+	* libc/stdio/findfp.c (_STDIO_CLOSE_PER_REENT_STD_STREAMS): Use define.
+
 2013-04-24  Corinna Vinschen  <vinschen@redhat.com>
 	    Nick Clifton  <nickc@redhat.com>
 

newlib/libc/stdio/findfp.c

@@ -62,7 +62,11 @@ _DEFUN(std, (ptr, flags, file, data),
   ptr->_flags |= __SL64;
 #endif /* __LARGE64_FILES */
   ptr->_seek = __sseek;
+#ifdef _STDIO_CLOSE_PER_REENT_STD_STREAMS
   ptr->_close = __sclose;
+#else /* _STDIO_CLOSE_STD_STREAMS */
+  ptr->_close = NULL;
+#endif /* _STDIO_CLOSE_STD_STREAMS */
 #if !defined(__SINGLE_THREAD__) && !defined(_REENT_SMALL)
   __lock_init_recursive (ptr->_lock);
   /*

newlib/libc/stdio/local.h

@@ -32,6 +32,16 @@
 # include <io.h>
 #endif
 
+/* The following define determines if the per-reent stdin, stdout and stderr
+   streams are closed during _reclaim_reent().  The stdin, stdout and stderr
+   streams are initialized to use file descriptors 0, 1 and 2 respectively.  In
+   case _STDIO_CLOSE_PER_REENT_STD_STREAMS is defined these file descriptors
+   will be closed via close() provided the owner of the reent structure
+   triggerd the on demand reent initilization, see CHECK_INIT(). */
+#ifndef __rtems__
+#define _STDIO_CLOSE_PER_REENT_STD_STREAMS
+#endif
+
 /* The following macros are supposed to replace calls to _flockfile/_funlockfile
    and __sfp_lock_acquire/__sfp_lock_release.  In case of multi-threaded
    environments using pthreads, it's not sufficient to lock the stdio functions