#ifndef KImem
#define KImem
#include <k/type.h>
#include <k/internal.egroup.h>
#ifndef KFclean
# define Kmsz(e) ( sizeof (e) / sizeof (e) [0] )
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef enum kmcond {
kmcond_ok = kmcond_id,
kmcond_unnecessary,
kmcond_fail,
kmcond_unhandled,
kmcond_mismatch,
kmcond_bad_address,
kmcond_bad_lock,
kmcond_bad_size,
kmcond_no_room,
kmcond_too_many,
/* when something truly should
* never happen: */
kmcond_fail_assert,
} kmcond;
typedef enum kmkind {
kmkind_none,
kmkind_broken,
kmkind_linear,
kmkind_heap,
kmkind_pool,
kmkind_ref,
kmkind_tree
} kmkind;
typedef enum kmshred {
kmshred_yes,
kmshred_no
} kmshred;
typedef struct kmbox {
kmkind kind;
sz size;
kmshred shred;
} kmbox;
typedef struct kmcell {
kmbox header;
sz refs;
struct kmcell* src;
} kmcell;
typedef struct kmnode {
kmbox header;
struct kmnode* origin,
* branch,
* next,
* prev;
} kmnode;
typedef struct kmptr {
kmkind kind;
kmshred shred;
void* ref;
} kmptr;
/* this struct is used to return both a pointer
* and an error value at the same time. */
typedef struct kmres {
kmcond cond;
union {
void* raw;
kmptr ptr;
};
} kmres;
/* heap functions */
kmres kmheapa (sz);
kmres kmheapo (sz);
kmcond kmheapf (void*);
kmres kmlina (sz);
void* kmlini (void);
/* generic functions */
kmcond kmfree(kmptr);
void kmzero(void*,sz);
void kmozero(kmptr);
#ifdef __cplusplus
}
#endif
#endif