70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
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#ifndef SOCKS_OBJECT_H_
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#define SOCKS_OBJECT_H_
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#include <socks/locks.h>
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#include <socks/status.h>
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#include <socks/vm.h>
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#include <stddef.h>
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#define OBJECT_MAGIC 0xBADDCAFE
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struct object;
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typedef enum object_type_flags {
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OBJTYPE_INIT = 0x01u,
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} object_type_flags_t;
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typedef struct object_ops {
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kern_status_t(*open)(struct object *obj);
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kern_status_t(*close)(struct object *obj);
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kern_status_t(*delete)(struct object *obj);
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kern_status_t(*query_name)(struct object *obj, char *out, size_t max);
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kern_status_t(*parse)(struct object *obj, const char *path, struct object **out);
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kern_status_t(*get_name)(struct object *obj, const char *name, struct object **out);
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kern_status_t(*get_at)(struct object *obj, size_t at, struct object **out);
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} object_ops_t;
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typedef struct object_type {
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object_type_flags_t ob_flags;
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char ob_name[32];
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unsigned int ob_size;
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vm_cache_t ob_cache;
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queue_entry_t ob_list;
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const object_ops_t *ob_ops;
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} object_type_t;
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typedef struct object {
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uint32_t ob_magic;
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object_type_t *ob_type;
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spin_lock_t ob_lock;
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unsigned int ob_refcount;
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unsigned int ob_handles;
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} __aligned(sizeof(long)) object_t;
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typedef struct object_namespace object_namespace_t;
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extern kern_status_t object_bootstrap(void);
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extern kern_status_t object_type_register(object_type_t *p);
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extern kern_status_t object_type_unregister(object_type_t *p);
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extern object_namespace_t *global_namespace(void);
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extern object_namespace_t *object_namespace_create(void);
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extern kern_status_t object_namespace_get_object(object_namespace_t *ns, const char *path, object_t **out);
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extern kern_status_t object_publish(object_namespace_t *ns, const char *path, object_t *obj);
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extern kern_status_t object_unpublish(object_namespace_t *ns, object_t *obj);
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extern object_t *object_create(object_type_t *type);
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extern object_t *object_ref(object_t *obj);
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extern void object_deref(object_t *obj);
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extern void *object_data(object_t *obj);
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extern object_t *object_header(void *p);
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static inline kern_status_t object_get(const char *path, object_t **out)
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{
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return object_namespace_get_object(global_namespace(), path, out);
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}
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extern void init_set_objects(void);
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extern void init_global_namespace(void);
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#endif
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