1 files changed, 44 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/tcflow.c b/cpukit/libcsupport/src/tcflow.c
new file mode 100644
index 0000000000..d4d3945f38
--- /dev/null
+++ b/cpukit/libcsupport/src/tcflow.c
@@ -0,0 +1,44 @@
+/*
+ *  tcflow() - POSIX 1003.1b 7.2.2 - Line Control Functions
+ *
+ *  COPYRIGHT (c) 1989-2010.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if defined(RTEMS_NEWLIB)
+#include <termios.h>
+#include <unistd.h>
+#include <errno.h>
+#include <rtems/seterr.h>
+
+int tcflow (
+  int fd __attribute__((unused)),
+  int action
+)
+{
+  switch (action) {
+    case TCOOFF:
+    case TCOON:
+    case TCIOFF:
+    case TCION:
+    default:
+      rtems_set_errno_and_return_minus_one( EINVAL );
+  }
+
+  /* fd is not validated */
+
+  /* When this is supported, implement it here */
+  rtems_set_errno_and_return_minus_one( ENOTSUP );
+}
+
+#endif