blob: 6b095e575818f9b783913e2fe93c6b9013db9642 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
#pragma once
enum handle_type; // forward declaration for proc.h
#include <camellia/types.h>
#include <kernel/vfs/mount.h>
#include <kernel/vfs/request.h>
#include <stddef.h>
enum handle_type {
HANDLE_INVALID = 0,
HANDLE_FILE,
HANDLE_PIPE,
HANDLE_FS_FRONT,
HANDLE_FS_REQ,
};
struct handle {
enum handle_type type;
struct vfs_backend *backend; // HANDLE_FILE | HANDLE_FS_FRONT
void __user *file_id; // only applicable to HANDLE_FILE
bool ro; /* currently only for HANDLE_FILE */
struct vfs_request *req; /* HANDLE_FS_REQ */
struct {
struct process *queued;
bool write_end;
struct handle *sister; // the other end, not included in refcount
} pipe;
size_t refcount;
};
struct handle *handle_init(enum handle_type);
void handle_close(struct handle *);
|
