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+/*
+ (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
+ (c) Copyright 2000-2004 Convergence (integrated media) GmbH
+
+ All rights reserved.
+
+ Written by Denis Oliver Kropp <dok@directfb.org>,
+ Andreas Hundt <andi@fischlustig.de>,
+ Sven Neumann <neo@directfb.org>,
+ Ville Syrjälä <syrjala@sci.fi> and
+ Claudio Ciccani <klan@users.sf.net>.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#ifndef __FUSION_PROTOCOL_H__
+#define __FUSION_PROTOCOL_H__
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <direct/types.h>
+
+
+typedef enum {
+ FMT_SEND,
+ FMT_ENTER,
+ FMT_LEAVE,
+ FMT_CALL,
+ FMT_CALLRET,
+ FMT_REACTOR
+} FusionMessageType;
+
+/*
+ * Enter world (slave).
+ */
+typedef struct {
+ FusionMessageType type;
+
+ FusionID fusion_id;
+} FusionEnter;
+
+/*
+ * Leave the world (slave).
+ */
+typedef struct {
+ FusionMessageType type;
+
+ FusionID fusion_id;
+} FusionLeave;
+
+/*
+ * Execute a call.
+ */
+typedef struct {
+ FusionMessageType type;
+
+ unsigned int serial;
+
+ FusionID caller;
+ int call_id;
+ int call_arg;
+ void *call_ptr;
+
+ void *handler;
+ void *ctx;
+
+ FusionCallExecFlags flags;
+} FusionCallMessage, FusionCallExecute;
+
+/*
+ * Send call return.
+ */
+typedef struct {
+ FusionMessageType type;
+
+ int val;
+} FusionCallReturn;
+
+/*
+ * Send reactor message.
+ */
+typedef struct {
+ FusionMessageType type;
+
+ int id;
+ int channel;
+
+ FusionRef *ref;
+} FusionReactorMessage;
+
+
+typedef union {
+ FusionMessageType type;
+
+ FusionEnter enter;
+ FusionLeave leave;
+ FusionCallMessage call;
+ FusionCallReturn callret;
+ FusionReactorMessage reactor;
+} FusionMessage;
+
+
+#endif
+