* Copyright 2018, Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _SYS_KOBJ_H_
#define _SYS_KOBJ_H_
typedef struct kobj* kobj_t;
typedef driver_t* kobj_class_t;
typedef const struct device_method kobj_method_t;
typedef device_method_signature_t kobjop_t;
typedef void* kobj_ops_t;
typedef struct kobjop_desc* kobjop_desc_t;
struct kobjop_desc {
int32 id;
kobj_method_t deflt;
};
struct kobj_ops {
kobj_class_t cls;
};
#define KOBJ_FIELDS \
struct kobj_ops ops
struct kobj {
KOBJ_FIELDS;
};
#define KOBJ_CLASS_FIELDS \
const char* name; \
kobj_method_t* methods; \
size_t size; /* object size */
#define KOBJOPLOOKUP(OPS,OP) do { \
kobjop_desc_t _desc = &OP##_##desc; \
kobj_method_t* _ce = NULL; \
_ce = kobj_lookup_method(OPS.cls, \
NULL, _desc); \
_m = _ce->method; \
} while(0)
void kobj_init(kobj_t obj, kobj_class_t cls);
kobj_method_t* kobj_lookup_method(kobj_class_t cls, kobj_method_t **cep,
kobjop_desc_t desc);
int kobj_error_method(void);
static inline void kobj_class_compile(kobj_class_t cls) {}
static inline void kobj_class_compile_static(kobj_class_t cls, kobj_ops_t ops) {}
static inline void kobj_class_free(kobj_class_t cls) {}
static inline void kobj_init_static(kobj_t obj, kobj_class_t cls) {}
#endif
