#include <glib.h>

typedef struct _GstMemPool GstMemPool;
typedef struct _GstMemPoolElement GstMemPoolElement;

typedef void (*GstMemPoolAllocFunc) (GstMemPool *pool, gpointer data);
typedef void (*GstMemPoolFreeFunc)  (GstMemPool *pool, gpointer data);

struct _GstMemPoolElement
{
  GstMemPoolElement *link;		/* next cell in the lifo */
  GstMemPoolElement *area;
};

struct _GstMemPool
{
  volatile GstMemPoolElement *free;	/* the first free element */
  volatile gulong cnt;			/* used to avoid ABA problem */

  gchar *name;
  gulong area_size;
  gulong pool_size;
  gulong atom_size;
  gboolean cleanup;
  GstMemPoolAllocFunc alloc_func;
  GstMemPoolFreeFunc free_func;
  GMutex *chunk_lock;
};


GstMemPool*	gst_mem_pool_new 		(gchar *name,
						 gint atom_size,
						 gulong area_size,
						 gint type,
						 GstMemPoolAllocFunc alloc_func,
						 GstMemPoolFreeFunc free_func);

void 		gst_mem_pool_destroy 		(GstMemPool *mem_pool);

gpointer 	gst_mem_pool_alloc 		(GstMemPool *mem_pool);
gpointer 	gst_mem_pool_alloc0 		(GstMemPool *mem_pool);
void	 	gst_mem_pool_free 		(GstMemPool *mem_pool,
						 gpointer mem);