NSH will now run files from the file system; Add logic to unload and clean-up after running a task from a file system; Extensions to builtin apps from Mike Smith

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5529 42af7a65-404d-4744-a932-0658087f49c3

include/nuttx/binfmt/binfmt.h

@@ -265,7 +265,7 @@ int exec_module(FAR const struct binary_s *bin);
  ****************************************************************************/
 
 #ifdef CONFIG_SCHED_HAVE_PARENT
-int schedule_unload(pid_t pid, FAR const struct binary_s *bin);
+int schedule_unload(pid_t pid, FAR struct binary_s *bin);
 #endif
 
 /****************************************************************************

include/nuttx/binfmt/builtin.h

@@ -77,6 +77,36 @@ extern "C" {
  * Public Functions
  ****************************************************************************/
 
+/****************************************************************************
+ * Name: builtin_initialize
+ *
+ * Description:
+ *   Builtin support is built unconditionally.  However, it order to
+ *   use this binary format, this function must be called during system
+ *   format in order to register the builtin binary format.
+ *
+ * Returned Value:
+ *   This is a NuttX internal function so it follows the convention that
+ *   0 (OK) is returned on success and a negated errno is returned on
+ *   failure.
+ *
+ ****************************************************************************/
+
+int builtin_initialize(void);
+
+/****************************************************************************
+ * Name: builtin_uninitialize
+ *
+ * Description:
+ *   Unregister the builtin binary loader
+ *
+ * Returned Value:
+ *   None
+ *
+ ****************************************************************************/
+
+void builtin_uninitialize(void);
+
 /****************************************************************************
  * Utility Functions Provided to Applications by binfmt/libbuiltin
  ****************************************************************************/