1/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
 2/*
 3 * Minimal errno definitions for NOLIBC
 4 * Copyright (C) 2017-2022 Willy Tarreau <w@1wt.eu>
 5 */
 6
 7#ifndef _NOLIBC_ERRNO_H
 8#define _NOLIBC_ERRNO_H
 9
10#include <asm/errno.h>
11
12/* this way it will be removed if unused */
13static int errno;
14
15#ifndef NOLIBC_IGNORE_ERRNO
16#define SET_ERRNO(v) do { errno = (v); } while (0)
17#else
18#define SET_ERRNO(v) do { } while (0)
19#endif
20
21
22/* errno codes all ensure that they will not conflict with a valid pointer
23 * because they all correspond to the highest addressable memory page.
24 */
25#define MAX_ERRNO 4095
26
27/* make sure to include all global symbols */
28#include "nolibc.h"
29
30#endif /* _NOLIBC_ERRNO_H */