1 files changed, 50 insertions, 0 deletions
diff --git a/c/src/exec/libcsupport/src/termiosinitialize.c b/c/src/exec/libcsupport/src/termiosinitialize.c
new file mode 100644
index 0000000000..f6e73787c9
--- /dev/null
+++ b/c/src/exec/libcsupport/src/termiosinitialize.c
@@ -0,0 +1,50 @@
+/*
+ *  Termios initialization routine
+ *
+ *  Author:
+ *    W. Eric Norum
+ *    Saskatchewan Accelerator Laboratory
+ *    University of Saskatchewan
+ *    Saskatoon, Saskatchewan, CANADA
+ *    eric@skatter.usask.ca
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <rtems.h>
+#include <rtems/libio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <termios.h>
+#include <unistd.h>
+
+struct rtems_termios_tty *rtems_termios_ttyHead;
+struct rtems_termios_tty *rtems_termios_ttyTail;
+rtems_id rtems_termios_ttyMutex;
+
+void
+rtems_termios_initialize (void)
+{
+  rtems_status_code sc;
+
+  /*
+   * Create the mutex semaphore for the tty list
+   */
+  if (!rtems_termios_ttyMutex) {
+    sc = rtems_semaphore_create (
+      rtems_build_name ('T', 'R', 'm', 'i'),
+      1,
+      RTEMS_BINARY_SEMAPHORE | RTEMS_INHERIT_PRIORITY | RTEMS_PRIORITY,
+      RTEMS_NO_PRIORITY,
+      &rtems_termios_ttyMutex);
+    if (sc != RTEMS_SUCCESSFUL)
+      rtems_fatal_error_occurred (sc);
+  }
+}