| //===-- Implementation of __errno_location --------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/errno/__errno_location.h" |
| |
| #include "src/__support/common.h" |
| |
| namespace __llvm_libc { |
| |
| static thread_local int __errno = 0; |
| |
| // __errno_location is not really an entry point but we still want it to behave |
| // like an entry point because the errno macro resolves to the C symbol |
| // "__errno_location". |
| LLVM_LIBC_FUNCTION(int *, __errno_location, ()) { return &__errno; } |
| |
| } // namespace __llvm_libc |
