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kernel: rebuild object ref-counting using atomic types

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max 🍓
2026-03-24 19:10:36 +00:00
parent 9faa11cddc
commit 7dc0c742fa
9 changed files with 42 additions and 97 deletions
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11
include/kernel/object.h
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@@ -1,6 +1,7 @@
#ifndef KERNEL_OBJECT_H_
#define KERNEL_OBJECT_H_
#include <kernel/atomic.h>
#include <kernel/flags.h>
#include <kernel/locks.h>
#include <kernel/vm.h>
@@ -79,10 +80,7 @@ enum object_type_flags {
};
struct object_ops {
kern_status_t (*destroy)(struct object *obj, struct queue *q);
kern_status_t (*destroy_recurse)(
struct queue_entry *entry,
struct object **out);
kern_status_t (*destroy)(struct object *obj);
};
struct object_type {
@@ -101,8 +99,7 @@ struct object {
struct object_type *ob_type;
spin_lock_t ob_lock;
uint32_t ob_signals;
unsigned int ob_refcount;
unsigned int ob_handles;
atomic_t ob_refcount;
struct queue_entry ob_list;
struct waitqueue ob_wq;
} __aligned(sizeof(long));
@@ -114,8 +111,6 @@ extern kern_status_t object_type_unregister(struct object_type *p);
extern struct object *object_create(struct object_type *type);
extern struct object *object_ref(struct object *obj);
extern void object_unref(struct object *obj);
extern void object_add_handle(struct object *obj);
extern void object_remove_handle(struct object *obj);
extern void object_lock(struct object *obj);
extern void object_unlock(struct object *obj);
extern void object_lock_irqsave(struct object *obj, unsigned long *flags);