1 files changed, 43 insertions, 0 deletions
diff --git a/src/libs/callback/callback.h b/src/libs/callback/callback.h
new file mode 100644
index 0000000..e04ebe8
--- /dev/null
+++ b/src/libs/callback/callback.h
@@ -0,0 +1,43 @@
+/*
+ *  Copyright 2006  Serge van den Boom <svdb@stack.nl>
+ *
+ *  This program 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef LIBS_CALLBACK_CALLBACK_H_
+#define LIBS_CALLBACK_CALLBACK_H_
+
+#include "types.h"
+
+#ifdef CALLBACK_INTERNAL
+typedef CallbackLink *CallbackID;
+#else
+typedef void *CallbackID;
+		// Uniquely identifies a queued callback.
+#endif
+#define CallbackID_invalid ((CallbackID ) NULL)
+
+typedef void *CallbackArg;
+typedef void (*CallbackFunction)(CallbackArg arg);
+
+void Callback_init(void);
+void Callback_uninit(void);
+CallbackID Callback_add(CallbackFunction callback, CallbackArg arg);
+bool Callback_remove(CallbackID id);
+void Callback_process(void);
+bool Callback_haveMore(void);
+
+#endif  /* LIBS_CALLBACK_CALLBACK_H_ */
+