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__ */