libk  Artifact [09be45a2b3]

Artifact 09be45a2b3c008f4b89b9ca412f7e8b8156a2c2f7c29373a46a68c4454f1e752:

• File kmem/mem.h — part of check-in [5279674525] at 2019-08-18 10:20:30 on branch trunk — fix kmheapa() and add kmheapf() (user: lexi, size: 688) [annotate] [blame] [check-ins using]

#ifndef KImem
#define KImem
#include <k/type.h>

#ifndef KFclean
#	define Kmsz(e) ( sizeof (e) / sizeof (e) [0] )
#endif

#ifdef __cplusplus
extern "C" {
#endif

typedef enum kmcond {
	kmcond_ok,
	kmcond_bad_address,
} kmcond;

typedef enum kmkind {
	kmkind_none,
	kmkind_heap,
	kmkind_pool,
	kmkind_ref,
	kmkind_tree
} kmkind;

typedef enum kmshred {
	kmshred_yes,
	kmshred_no
} kmshred;

typedef struct kmcell {
	kmkind kind;
	sz size;
	kmshred shred;
	sz refs;
	struct kmcell* src;
} kmcell;

typedef struct kmptr {
	kmkind kind;
	kmshred shred;
	void* ref;
	kmcell* cell;
} kmptr;

/* heap functions */

void*  kmheapa(sz);
kmcond kmheapf(void*);

#ifdef __cplusplus
}
#endif

#endif