#ifndef _KERNEL_PROC_RESOURCE_H
#define _KERNEL_PROC_RESOURCE_H

#include <libk/list.h>
#include <libk/rbtree.h>
#include <libk/std.h>
#include <proc/mem.h>
#include <proc/mutex.h>
#include <sync/spin_lock.h>

#define PR_MEM   0
#define PR_MUTEX 1

struct proc;
struct procgroup;

struct proc_resource {
  int type;
  int rid;
  atomic_int refs;
  spin_lock_t lock;
  struct rb_node_link resource_tree_link;
  union {
    struct proc_resource_mem mem;
    struct proc_mutex mutex;
  } u;
  struct {
    void (*cleanup) (struct proc_resource* resource);
  } ops;
};

struct proc_resource* proc_find_resource (struct procgroup* procgroup, int rid);
struct proc_resource* proc_create_resource_mem (struct procgroup* procgroup, int rid, size_t pages,
                                                uintptr_t paddr, bool managed);
struct proc_resource* proc_create_resource_mutex (struct procgroup* procgroup, int rid);
void proc_resource_unlink (struct proc_resource* resource);

#endif // _KERNEL_PROC_RESOURCE_H