gstreamer/subprojects/gst-plugins-bad/sys/shm/shmalloc.h

74 lines
2.4 KiB
C

/* GStreamer
* Copyright (C) <2009> Collabora Ltd
* @author: Olivier Crete <olivier.crete@collabora.co.uk
* Copyright (C) <2009> Nokia Inc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdlib.h>
#ifndef __SHMALLOC_H__
#define __SHMALLOC_H__
#ifdef SHM_PIPE_USE_GLIB
#include <glib.h>
#define spalloc_new(type) g_slice_new (type)
#define spalloc_alloc(size) g_slice_alloc (size)
#define spalloc_free(type, buf) g_slice_free (type, buf)
#define spalloc_free1(size, buf) g_slice_free1 (size, buf)
#else
#define spalloc_new(type) malloc (sizeof (type))
#define spalloc_alloc(size) malloc (size)
#define spalloc_free(type, buf) free (buf)
#define spalloc_free1(size, buf) free (buf)
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _ShmAllocSpace ShmAllocSpace;
typedef struct _ShmAllocBlock ShmAllocBlock;
ShmAllocSpace *shm_alloc_space_new (size_t size);
void shm_alloc_space_free (ShmAllocSpace * self);
ShmAllocBlock *shm_alloc_space_alloc_block (ShmAllocSpace * self,
unsigned long size);
unsigned long shm_alloc_space_alloc_block_get_offset (ShmAllocBlock *block);
void shm_alloc_space_block_inc (ShmAllocBlock * block);
void shm_alloc_space_block_dec (ShmAllocBlock * block);
ShmAllocBlock * shm_alloc_space_block_get (ShmAllocSpace * space,
unsigned long offset);
#ifdef __cplusplus
}
#endif
#endif /* __SHMALLOC_H__ */