Keep on hacking on g13. A simple --create and --mount does now work.

A hacked up encfs is required.

g13/runner.h

@@ -0,0 +1,68 @@
+/* runner.h - Run and watch the backend engines
+ * Copyright (C) 2009 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef G13_RUNNER_H
+#define G13_RUNNER_H
+
+/* The runner object.  */
+struct runner_s;
+typedef struct runner_s *runner_t;
+
+/* Prototypes for the handler functions provided by the engine.  */
+typedef gpg_error_t (*engine_handler_fnc_t) (void *opaque, 
+                                             runner_t runner,
+                                             const char *statusline);
+typedef void (*engine_handler_cleanup_fnc_t) (void *opaque);
+
+
+/* Return the number of active threads.  */
+unsigned int runner_get_threads (void);
+
+/* Create a new runner object.  */
+gpg_error_t runner_new (runner_t *r_runner, const char *name);
+
+/* Free a runner object.  */
+void runner_release (runner_t runner);
+
+/* Functions to set properties of the runner.  */
+void runner_set_fds (runner_t runner, int in_fd, int out_fd);
+
+void runner_set_pid (runner_t runner, pid_t pid);
+
+/* Register the handler functions with a runner.  */
+void runner_set_handler (runner_t runner,
+                         engine_handler_fnc_t handler, 
+                         engine_handler_cleanup_fnc_t handler_cleanup, 
+                         void *handler_data);
+
+/* Start the runner.  */
+gpg_error_t runner_spawn (runner_t runner);
+
+/* Cancel a runner.  */
+void runner_cancel (runner_t runner);
+
+/* Send data back to the engine.  This function is used by the
+   engine's handler.  */
+gpg_error_t runner_send_line (runner_t runner,
+                              const void *data, size_t datalen);
+
+
+
+#endif /*G13_RUNNER_H*/
+