/usr/include/directfb/fusion/object.h is in libdirectfb-dev 1.7.7-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 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 Shimokawa <andi@directfb.org>,
Marek Pikarski <mass@directfb.org>,
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__OBJECT_H__
#define __FUSION__OBJECT_H__
#include <fusion/types.h>
#include <fusion/lock.h>
#include <fusion/vector.h>
#include <direct/list.h>
#include <fusion/ref.h>
#include <fusion/reactor.h>
#include <direct/debug.h>
typedef void (*FusionObjectDestructor)( FusionObject *object, bool zombie, void *ctx );
typedef const char * (*FusionObjectDescribe)( FusionObject *object, void *ctx );
typedef bool (*FusionPropIterator)( char *key, void *value, void *ctx);
typedef u32 FusionObjectID;
#ifdef __cplusplus
}
#include <map>
namespace Fusion {
typedef std::map<FusionObjectID,FusionObject*> ObjectMap;
}
typedef Fusion::ObjectMap Fusion_ObjectMap;
extern "C" {
#else
typedef void Fusion_ObjectMap;
#endif
typedef enum {
FOS_INIT,
FOS_ACTIVE,
FOS_DEINIT
} FusionObjectState;
struct __Fusion_FusionObject {
DirectLink link;
FusionObjectPool *pool;
int magic;
FusionObjectID id;
FusionID identity;
FusionObjectState state;
FusionRef ref;
FusionReactor *reactor;
FusionWorldShared *shared;
FusionHash *properties;
FusionVector owners;
FusionVector access;
DirectTraceBuffer *create_stack;
};
struct __Fusion_FusionObjectPool {
int magic;
FusionWorldShared *shared;
FusionSkirmish lock;
FusionHash *objects;
FusionObjectID id_pool;
char *name;
int object_size;
int message_size;
FusionObjectDestructor destructor;
void *ctx;
FusionCall call;
bool secure;
FusionObjectDescribe describe;
};
typedef bool (*FusionObjectCallback)( FusionObjectPool *pool,
FusionObject *object,
void *ctx );
FusionObjectPool FUSION_API *fusion_object_pool_create ( const char *name,
int object_size,
int message_size,
FusionObjectDestructor destructor,
void *ctx,
const FusionWorld *world );
DirectResult FUSION_API fusion_object_pool_destroy ( FusionObjectPool *pool,
FusionWorld *world );
DirectResult FUSION_API fusion_object_pool_set_describe ( FusionObjectPool *pool,
FusionObjectDescribe func );
DirectResult FUSION_API fusion_object_pool_enum ( FusionObjectPool *pool,
FusionObjectCallback callback,
void *ctx );
DirectResult FUSION_API fusion_object_pool_size ( FusionObjectPool *pool,
size_t *ret_size );
FusionObject FUSION_API *fusion_object_create ( FusionObjectPool *pool,
const FusionWorld *world,
FusionID identity );
/*
* Must unref object if function returns DR_OK.
* It may also return DR_DEAD with allocated object, but no refs (don't unref).
*/
DirectResult FUSION_API fusion_object_get ( FusionObjectPool *pool,
FusionObjectID object_id,
FusionObject **ret_object );
DirectResult FUSION_API fusion_object_lookup ( FusionObjectPool *pool,
FusionObjectID object_id,
FusionObject **ret_object );
DirectResult FUSION_API fusion_object_set_lock ( FusionObject *object,
FusionSkirmish *lock );
DirectResult FUSION_API fusion_object_activate ( FusionObject *object );
DirectResult FUSION_API fusion_object_destroy ( FusionObject *object );
DirectResult FUSION_API fusion_object_set_property ( FusionObject *object,
const char *key,
void *value,
void **old_value );
DirectResult FUSION_API fusion_object_set_int_property ( FusionObject *object,
const char *key,
int value );
DirectResult FUSION_API fusion_object_set_string_property( FusionObject *object,
const char *key,
char *value );
void FUSION_API *fusion_object_get_property ( FusionObject *object,
const char *key );
void FUSION_API fusion_object_remove_property ( FusionObject *object,
const char *key,
void **ret_val );
DirectResult FUSION_API fusion_object_add_access ( FusionObject *object,
const char *exectuable );
DirectResult FUSION_API fusion_object_has_access ( FusionObject *object,
const char *executable );
DirectResult FUSION_API fusion_object_add_owner ( FusionObject *object,
FusionID owner );
DirectResult FUSION_API fusion_object_check_owner ( FusionObject *object,
FusionID owner,
bool succeed_if_not_owned );
DirectResult FUSION_API fusion_object_catch ( FusionObject *object );
#define FUSION_OBJECT_METHODS(type, prefix) \
\
static __inline__ DirectResult \
prefix##_attach( type *object, \
ReactionFunc func, \
void *ctx, \
Reaction *ret_reaction ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_reactor_attach( ((FusionObject*)object)->reactor, \
func, ctx, ret_reaction ); \
} \
\
static __inline__ DirectResult \
prefix##_attach_channel( type *object, \
int channel, \
ReactionFunc func, \
void *ctx, \
Reaction *ret_reaction ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_reactor_attach_channel( ((FusionObject*)object)->reactor, \
channel, func, ctx, ret_reaction ); \
} \
\
static __inline__ DirectResult \
prefix##_detach( type *object, \
Reaction *reaction ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_reactor_detach( ((FusionObject*)object)->reactor, \
reaction ); \
} \
\
static __inline__ DirectResult \
prefix##_attach_global( type *object, \
int index, \
void *ctx, \
GlobalReaction *reaction ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_reactor_attach_global( ((FusionObject*)object)->reactor, \
index, ctx, reaction ); \
} \
\
static __inline__ DirectResult \
prefix##_detach_global( type *object, \
GlobalReaction *reaction ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_reactor_detach_global( ((FusionObject*)object)->reactor, \
reaction ); \
} \
\
static __inline__ DirectResult \
prefix##_dispatch( type *object, \
void *message, \
const ReactionFunc *globals ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_reactor_dispatch( ((FusionObject*)object)->reactor, \
message, true, globals ); \
} \
\
static __inline__ DirectResult \
prefix##_dispatch_channel( type *object, \
int channel, \
void *message, \
int size, \
const ReactionFunc *globals ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_reactor_dispatch_channel( ((FusionObject*)object)->reactor, \
channel, message, size, true, globals ); \
} \
\
static __inline__ DirectResult \
prefix##_ref( type *object ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_ref_up( &((FusionObject*)object)->ref, false ); \
} \
\
static __inline__ DirectResult \
prefix##_unref( type *object ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_ref_down( &((FusionObject*)object)->ref, false ); \
} \
\
static __inline__ DirectResult \
prefix##_ref_stat( type *object, int *refs ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
return fusion_ref_stat ( &((FusionObject*)object)->ref, refs ); \
} \
\
static __inline__ DirectResult \
prefix##_link( type **link, \
type *object ) \
{ \
DirectResult ret; \
\
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
\
ret = fusion_ref_up( &((FusionObject*)object)->ref, true ); \
if (ret) \
return ret; \
\
*link = object; \
\
return DR_OK; \
} \
\
static __inline__ DirectResult \
prefix##_unlink( type **link ) \
{ \
type *object = *link; \
\
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
\
*link = NULL; \
\
return fusion_ref_down( &((FusionObject*)object)->ref, true ); \
} \
\
static __inline__ DirectResult \
prefix##_inherit( type *object, \
void *from ) \
{ \
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
D_MAGIC_ASSERT( (FusionObject*) from, FusionObject ); \
\
return fusion_ref_inherit( &((FusionObject*)object)->ref, \
&((FusionObject*)from)->ref ); \
} \
\
static __inline__ DirectResult \
prefix##_globalize( type *object ) \
{ \
DirectResult ret; \
\
D_MAGIC_ASSERT( (FusionObject*) object, FusionObject ); \
\
ret = fusion_ref_up( &((FusionObject*)object)->ref, true ); \
if (ret) \
return ret; \
\
ret = fusion_ref_down( &((FusionObject*)object)->ref, false ); \
if (ret) \
fusion_ref_down( &((FusionObject*)object)->ref, true ); \
\
return ret; \
}
FUSION_OBJECT_METHODS( void, fusion_object )
#endif
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