vlc_objects.h

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/*****************************************************************************
 * vlc_objects.h: vlc_object_t definition and manipulation methods
 *****************************************************************************
 * Copyright (C) 2002-2008 VLC authors and VideoLAN
 * $Id: 06ac2bbd9e02f5a481ddc868b909c933a046d877 $
 *
 * Authors: Samuel Hocevar <sam@zoy.org>
 *
 * This program 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 2.1 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

/**
 * \file
 * This file defines the vlc_object_t structure and object types.
 */

/**
 * \defgroup vlc_object Objects
 * @{
 */

/* Object flags */
#define OBJECT_FLAGS_QUIET       0x0002
#define OBJECT_FLAGS_NOINTERACT  0x0004

/*****************************************************************************
 * The vlc_object_t type. Yes, it's that simple :-)
 *****************************************************************************/
/** The main vlc_object_t structure */
struct vlc_object_t
{
    VLC_COMMON_MEMBERS
};

/*****************************************************************************
 * Prototypes
 *****************************************************************************/
VLC_API void *vlc_object_create( vlc_object_t *, size_t ) VLC_MALLOC VLC_USED;
VLC_API vlc_object_t *vlc_object_find_name( vlc_object_t *, const char * ) VLC_USED VLC_DEPRECATED;
VLC_API void * vlc_object_hold( vlc_object_t * );
VLC_API void vlc_object_release( vlc_object_t * );
VLC_API vlc_list_t *vlc_list_children( vlc_object_t * ) VLC_USED;
VLC_API void vlc_list_release( vlc_list_t * );
VLC_API char *vlc_object_get_name( const vlc_object_t * ) VLC_USED;
#define vlc_object_get_name(o) vlc_object_get_name(VLC_OBJECT(o))

/**}@*/

#define vlc_object_create(a,b) vlc_object_create( VLC_OBJECT(a), b )

#define vlc_object_find_name(a,b) \
    vlc_object_find_name( VLC_OBJECT(a),b)

#define vlc_object_hold(a) \
    vlc_object_hold( VLC_OBJECT(a) )

#define vlc_object_release(a) \
    vlc_object_release( VLC_OBJECT(a) )

#define vlc_list_children(a) \
    vlc_list_children( VLC_OBJECT(a) )

/* Objects and threading */
VLC_API void vlc_object_kill( vlc_object_t * ) VLC_DEPRECATED;
#define vlc_object_kill(a) \
    vlc_object_kill( VLC_OBJECT(a) )

VLC_USED VLC_DEPRECATED
static inline bool vlc_object_alive (const vlc_object_t *obj)
{
    barrier ();
    return !obj->b_die;
}

#define vlc_object_alive(a) vlc_object_alive( VLC_OBJECT(a) )

/** @} */