github.com/opencontainers/runc@v1.2.0-rc.1.0.20240520010911-492dc558cdd6/libcontainer/dmz/nolibc/errno.h (about)

     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 */