termios: Add kqueue() and poll() support

Real implementation is provided by libbsd.

cpukit/libcsupport/include/rtems/termiostypes.h

@@ -555,6 +555,26 @@ int rtems_termios_set_initial_baud(
   rtems_termios_baud_t baud
 );
 
+/**
+ * @brief Termios kqueue() filter filesystem node handler
+ *
+ * Real implementation is provided by libbsd.
+ */
+int rtems_termios_kqfilter(
+  rtems_libio_t *iop,
+  struct knote  *kn
+);
+
+/**
+ * @brief Termios poll() filesystem node handler.
+ *
+ * Real implementation is provided by libbsd.
+ */
+int rtems_termios_poll(
+  rtems_libio_t *iop,
+  int            events
+);
+
 #ifdef __cplusplus
 }
 #endif

cpukit/libcsupport/src/termios.c

@@ -2063,8 +2063,8 @@ static const rtems_filesystem_file_handlers_r rtems_termios_imfs_handler = {
   .fsync_h = rtems_filesystem_default_fsync_or_fdatasync,
   .fdatasync_h = rtems_filesystem_default_fsync_or_fdatasync,
   .fcntl_h = rtems_filesystem_default_fcntl,
-  .kqfilter_h = rtems_filesystem_default_kqfilter,
-  .poll_h = rtems_filesystem_default_poll,
+  .kqfilter_h = rtems_termios_kqfilter,
+  .poll_h = rtems_termios_poll,
   .readv_h = rtems_filesystem_default_readv,
   .writev_h = rtems_filesystem_default_writev
 };

cpukit/libfs/src/defaults/default_kqfilter.c

@@ -7,7 +7,7 @@
  */
 
 /*
- * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
+ * Copyright (c) 2013, 2017 embedded brains GmbH.  All rights reserved.
  *
  *  embedded brains GmbH
  *  Dornierstr. 4
@@ -26,9 +26,6 @@
 
 #include <rtems/libio_.h>
 
-#include <sys/types.h>
-#include <sys/event.h>
-
 int rtems_filesystem_default_kqfilter(
   rtems_libio_t *iop,
   struct knote  *kn
@@ -36,3 +33,8 @@ int rtems_filesystem_default_kqfilter(
 {
   return EINVAL;
 }
+
+int rtems_termios_kqfilter(
+  rtems_libio_t *iop,
+  struct knote  *kn
+) RTEMS_WEAK_ALIAS( rtems_filesystem_default_kqfilter );

cpukit/libfs/src/defaults/default_poll.c

@@ -7,7 +7,7 @@
  */
 
 /*
- * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
+ * Copyright (c) 2013, 2017 embedded brains GmbH.  All rights reserved.
  *
  *  embedded brains GmbH
  *  Dornierstr. 4
@@ -35,3 +35,8 @@ int rtems_filesystem_default_poll(
 {
   return POLLERR;
 }
+
+int rtems_termios_poll(
+  rtems_libio_t *iop,
+  int            events
+) RTEMS_WEAK_ALIAS( rtems_filesystem_default_poll );