Merged mcb30-realmode-redesign back to HEAD

1 files changed, 44 insertions, 0 deletions

diff --git a/src/core/init.c b/src/core/init.c
new file mode 100644
index 00000000..3dc87691
--- /dev/null
+++ b/src/core/init.c
@@ -0,0 +1,44 @@
+/**************************************************************************
+ * call_{init,reset,exit}_fns ()
+ * 
+ * Call the various initialisation and exit functions.  We use a
+ * function table so that we don't end up dragging in an object just
+ * because we call its initialisation function.
+ **************************************************************************
+ */
+
+#include "init.h"
+
+extern struct init_fn init_fns[];
+extern struct init_fn init_fns_end[];
+
+void call_init_fns ( void ) {
+	struct init_fn *init_fn;
+
+	for ( init_fn = init_fns; init_fn < init_fns_end ; init_fn++ ) {
+		if ( init_fn->init )
+			init_fn->init ();
+	}
+}
+
+void call_reset_fns ( void ) {
+	struct init_fn *init_fn;
+
+	for ( init_fn = init_fns; init_fn < init_fns_end ; init_fn++ ) {
+		if ( init_fn->reset )
+			init_fn->reset ();
+	}
+}
+
+void call_exit_fns ( void ) {
+	struct init_fn *init_fn;
+
+	/* 
+	 * Exit functions are called in reverse order to
+	 * initialisation functions.
+	 */
+	for ( init_fn = init_fns_end - 1; init_fn >= init_fns ; init_fn-- ) {
+		if ( init_fn->exit )
+			init_fn->exit ();
+	}
+}