Subversion Repositories c0or1k

#ifndef __MM0_IDPOOL_H__
#define __MM0_IDPOOL_H__
 
#include <lib/bit.h>
#include <lib/spinlock.h>
#include <string.h>
#include INC_GLUE(memory.h)
 
struct id_pool {
	int nwords;
	int bitlimit;
	u32 bitmap[];
};
 
/* Copy one id pool to another by calculating its size */
static inline void id_pool_copy(struct id_pool *to, struct id_pool *from, int totalbits)
{
	int nwords = BITWISE_GETWORD(totalbits);
 
	memcpy(to, from, nwords * SZ_WORD + sizeof(struct id_pool));
}
 
struct id_pool *id_pool_new_init(int mapsize);
int id_new(struct id_pool *pool);
int id_del(struct id_pool *pool, int id);
int id_get(struct id_pool *pool, int id);
int id_is_empty(struct id_pool *pool);
int ids_new_contiguous(struct id_pool *pool, int numids);
int ids_del_contiguous(struct id_pool *pool, int first, int numids);
 
#endif /* __MM0_IDPOOL_H__ */