libc/include/errno.h.def

   1 //===-- C standard library header errno.h ---------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_LIBC_ERRNO_H
  10 #define LLVM_LIBC_ERRNO_H
  11
  12 #include "__llvm-libc-common.h"
  13
  14 #ifdef __linux__
  15
  16 #include <linux/errno.h>
  17
  18 #ifndef ENOTSUP
  19 #define ENOTSUP EOPNOTSUPP
  20 #endif // ENOTSUP
  21
  22 #include "llvm-libc-macros/linux/error-number-macros.h"
  23
  24 #else // __linux__
  25 #include "llvm-libc-macros/generic-error-number-macros.h"
  26 #endif
  27
  28 __BEGIN_C_DECLS
  29
  30 int *__llvm_libc_errno(void) __NOEXCEPT;
  31
  32 __END_C_DECLS
  33
  34 #define errno (*__llvm_libc_errno())
  35
  36 #endif // LLVM_LIBC_ERRNO_H