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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.
*/
#include <config.h>
#include <fusion/arena.h>
#include <fusion/shmalloc.h>
#include <directfb.h>
#include <core/coredefs.h>
#include <core/coretypes.h>
#include <core/core.h>
#include <core/core_parts.h>
#include <direct/mem.h>
#include <direct/messages.h>
D_DEBUG_DOMAIN( Core_Parts, "Core/Parts", "DirectFB Core Parts" );
DFBResult
dfb_core_part_initialize( CoreDFB *core,
CorePart *core_part )
{
DFBResult ret;
void *local = NULL;
void *shared = NULL;
FusionSHMPoolShared *pool;
pool = dfb_core_shmpool( core );
if (core_part->initialized) {
D_BUG( "%s already initialized", core_part->name );
return DFB_BUG;
}
D_DEBUG_AT( Core_Parts, "Going to initialize '%s' core...\n", core_part->name );
if (core_part->size_local)
local = D_CALLOC( 1, core_part->size_local );
if (core_part->size_shared)
shared = SHCALLOC( pool, 1, core_part->size_shared );
ret = core_part->Initialize( core, local, shared );
if (ret) {
D_ERROR( "DirectFB/Core: Could not initialize '%s' core!\n"
" --> %s\n", core_part->name,
DirectFBErrorString( ret ) );
if (shared)
SHFREE( pool, shared );
if (local)
D_FREE( local );
return ret;
}
if (shared)
fusion_arena_add_shared_field( dfb_core_arena( core ),
core_part->name, shared );
core_part->data_local = local;
core_part->data_shared = shared;
core_part->initialized = true;
return DFB_OK;
}
DFBResult
dfb_core_part_join( CoreDFB *core,
CorePart *core_part )
{
DFBResult ret;
void *local = NULL;
void *shared = NULL;
if (core_part->initialized) {
D_BUG( "%s already joined", core_part->name );
return DFB_BUG;
}
D_DEBUG_AT( Core_Parts, "Going to join '%s' core...\n", core_part->name );
if (core_part->size_shared &&
fusion_arena_get_shared_field( dfb_core_arena( core ),
core_part->name, &shared ))
return DFB_FUSION;
if (core_part->size_local)
local = D_CALLOC( 1, core_part->size_local );
ret = core_part->Join( core, local, shared );
if (ret) {
D_ERROR( "DirectFB/Core: Could not join '%s' core!\n"
" --> %s\n", core_part->name,
DirectFBErrorString( ret ) );
if (local)
D_FREE( local );
return ret;
}
core_part->data_local = local;
core_part->data_shared = shared;
core_part->initialized = true;
return DFB_OK;
}
DFBResult
dfb_core_part_shutdown( CoreDFB *core,
CorePart *core_part,
bool emergency )
{
DFBResult ret;
FusionSHMPoolShared *pool;
pool = dfb_core_shmpool( core );
if (!core_part->initialized)
return DFB_OK;
D_DEBUG_AT( Core_Parts, "Going to shutdown '%s' core...\n", core_part->name );
ret = core_part->Shutdown( core_part->data_local, emergency );
if (ret)
D_ERROR( "DirectFB/Core: Could not shutdown '%s' core!\n"
" --> %s\n", core_part->name,
DirectFBErrorString( ret ) );
if (core_part->data_shared)
SHFREE( pool, core_part->data_shared );
if (core_part->data_local)
D_FREE( core_part->data_local );
core_part->data_local = NULL;
core_part->data_shared = NULL;
core_part->initialized = false;
return DFB_OK;
}
DFBResult
dfb_core_part_leave( CoreDFB *core,
CorePart *core_part,
bool emergency )
{
DFBResult ret;
if (!core_part->initialized)
return DFB_OK;
D_DEBUG_AT( Core_Parts, "Going to leave '%s' core...\n", core_part->name );
ret = core_part->Leave( core_part->data_local, emergency );
if (ret)
D_ERROR( "DirectFB/Core: Could not leave '%s' core!\n"
" --> %s\n", core_part->name,
DirectFBErrorString( ret ) );
if (core_part->data_local)
D_FREE( core_part->data_local );
core_part->data_local = NULL;
core_part->data_shared = NULL;
core_part->initialized = false;
return DFB_OK;
}
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