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 #ifndef NOLIBC_IGNORE_ERRNO 13 #define SET_ERRNO(v) do { errno = (v); } while (0) 14 int errno __attribute__((weak)); 15 #else 16 #define SET_ERRNO(v) do { } while (0) 17 #endif 18 19 20 /* errno codes all ensure that they will not conflict with a valid pointer 21 * because they all correspond to the highest addressable memory page. 22 */ 23 #define MAX_ERRNO 4095 24 25 /* make sure to include all global symbols */ 26 #include "nolibc.h" 27 28 #endif /* _NOLIBC_ERRNO_H */ 29