refine the initialization order

* introduce a lumiera_preinit() which does some dirty startup work
 * lumiera_init() and lumiera_shutdown() will do the desired
   DesignProcess/GlobalInitilaization
 * as example, initialize the config interface there

src/lumiera/config_interface.h

@@ -33,16 +33,12 @@
  * Declares the interface for the lumiera configuration system
  */
 
-#ifndef LUMIERA_PLUGIN
-
 void
 lumiera_config_interface_init (void);
 
 void
 lumiera_config_interface_destroy (void);
 
-#endif
-
 /*
   Note that some interfaces return ints rather than underlying opaque pointers, this is then the truth value of the pointer
  */

src/lumiera/lumiera.c

@@ -52,7 +52,7 @@ main (int argc, char** argv)
 {
   (void) argc;
   (void) argv;
-  lumiera_init ();
+  lumiera_preinit ();
 
   TODO ("commandline parser");
   lumiera_config_init (LUMIERA_CONFIG_PATH);
@@ -61,14 +61,15 @@ main (int argc, char** argv)
   TODO ("plugindb support instead loading all plugins at once");
   lumiera_plugin_discover (lumiera_plugin_load, lumiera_plugin_register);
 
+  lumiera_init ();
   TRACE (lumiera, "Lumiera is alive");
 
   TODO ("video editing");
 
   TRACE (lumiera, "initiating shutdown sequence");
+  lumiera_shutdown ();
   lumiera_interfaceregistry_destroy ();
   lumiera_config_destroy ();
-  lumiera_shutdown ();
 }
 
 

src/lumiera/lumiera.h

@@ -45,6 +45,9 @@ NOBUG_DECLARE_FLAG (lumiera);
  */
 
 //TODO: declarations go here//
+void
+lumiera_preinit (void);
+
 void
 lumiera_init (void);
 

src/lumiera/lumiera_init.c

@@ -24,6 +24,7 @@
 
 //TODO: Lumiera header includes//
 #include "lumiera/lumiera.h"
+#include "lumiera/config_interface.h"
 
 //TODO: internal/static forward declarations//
 
@@ -42,25 +43,55 @@ NOBUG_DEFINE_FLAG_PARENT (lumiera, lumiera_all);
 
 //code goes here//
 
+/**
+ * Early initialization
+ * Sets up some important basic stuff, this is run as *very* first before anything
+ * else got initialized. Used for NoBug and other kinds of hooks. There is no matching
+ * shutdown function for this, consider moving as much as possible to lumiera_init()
+ */
 void
-lumiera_init (void)
+lumiera_preinit (void)
 {
   NOBUG_INIT;
   NOBUG_INIT_FLAG (all);
   NOBUG_INIT_FLAG (lumiera_all);
   NOBUG_INIT_FLAG (lumiera);
-  TRACE (lumiera, "initializing");
+  TRACE (lumiera, "booting up");
 }
 
 
+/**
+ * Standard initialization procedure
+ * Boots all buildin subsystems up as described in DesignProcess/GlobalInitilaization.
+ * The configuration and interfaces/plugin subsystems are already started at this point and
+ * commandline arguments are parsed.
+ */
+void
+lumiera_init (void)
+{
+  TRACE (lumiera, "initializing");
+
+  lumiera_config_interface_init ();
+}
+
+
+/**
+ * Shutdown procedure
+ * This shuts all subsystem which got initialized in lumiera_init down.
+ * Shutdowns should be arranged in reverse initialization order.
+ */
 void
 lumiera_shutdown (void)
 {
   TRACE (lumiera, "shutdown");
+
+  lumiera_config_interface_destroy ();
 }
 
 
 
+
+
 /*
 // Local Variables:
 // mode: C