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Diffstat (limited to 'Source/DirectFB/lib/fusion/shm/fake.c')
| -rwxr-xr-x | Source/DirectFB/lib/fusion/shm/fake.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/Source/DirectFB/lib/fusion/shm/fake.c b/Source/DirectFB/lib/fusion/shm/fake.c new file mode 100755 index 0000000..32e25cd --- /dev/null +++ b/Source/DirectFB/lib/fusion/shm/fake.c @@ -0,0 +1,163 @@ +/* + (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 <direct/debug.h> +#include <direct/mem.h> +#include <direct/messages.h> + +#include <fusion/shm/shm.h> +#include <fusion/shm/pool.h> + +#include <fusion/shm/shm_internal.h> + + +DirectResult +fusion_shm_pool_create( FusionWorld *world, + const char *name, + unsigned int max_size, + bool debug, + FusionSHMPoolShared **ret_pool ) +{ + FusionSHMPoolShared *pool; + +#if !DIRECT_BUILD_DEBUGS + debug = false; +#endif + + pool = D_CALLOC( 1, sizeof(FusionSHMPoolShared) ); + if (!pool) + return D_OOM(); + + pool->debug = debug; + + D_MAGIC_SET( pool, FusionSHMPoolShared ); + + *ret_pool = pool; + + return DR_OK; +} + +DirectResult +fusion_shm_pool_destroy( FusionWorld *world, + FusionSHMPoolShared *pool ) +{ + D_MAGIC_ASSERT( pool, FusionSHMPoolShared ); + + D_MAGIC_CLEAR( pool ); + + D_FREE( pool ); + + return DR_OK; +} + +DirectResult +fusion_shm_pool_attach( FusionSHM *shm, + FusionSHMPoolShared *pool ) +{ + D_MAGIC_ASSERT( pool, FusionSHMPoolShared ); + + pool->index++; + + return DR_OK; +} + +DirectResult +fusion_shm_pool_detach( FusionSHM *shm, + FusionSHMPoolShared *pool ) +{ + D_MAGIC_ASSERT( pool, FusionSHMPoolShared ); + + D_ASSERT( pool->index > 0 ); + + pool->index--; + + return DR_OK; +} + +DirectResult +fusion_shm_pool_allocate( FusionSHMPoolShared *pool, + int size, + bool clear, + bool lock, + void **ret_data ) +{ + void *data; + + D_MAGIC_ASSERT( pool, FusionSHMPoolShared ); + + data = clear ? D_CALLOC( 1, size ) : D_MALLOC( size ); + if (!data) + return DR_NOSHAREDMEMORY; + + *ret_data = data; + + return DR_OK; +} + +DirectResult +fusion_shm_pool_reallocate( FusionSHMPoolShared *pool, + void *data, + int size, + bool lock, + void **ret_data ) +{ + void *new_data; + + D_MAGIC_ASSERT( pool, FusionSHMPoolShared ); + + new_data = D_REALLOC( data, size ); + if (!new_data) + return DR_NOSHAREDMEMORY; + + *ret_data = new_data; + + return DR_OK; +} + +DirectResult +fusion_shm_pool_deallocate( FusionSHMPoolShared *pool, + void *data, + bool lock ) +{ + D_MAGIC_ASSERT( pool, FusionSHMPoolShared ); + + D_FREE( data ); + + return DR_OK; +} + +DirectResult +fusion_shm_enum_pools( FusionWorld *world, + FusionSHMPoolCallback callback, + void *ctx ) +{ + return DR_OK; +} + |