cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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errno.h (618B)

      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#endif /* _NOLIBC_ERRNO_H */