[libc-commits] [libc] [libc] Implement fcntl() function (PR #89507)

[Michael Jones via libc-commits]

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@@ -0,0 +1,150 @@
+//===-- Unittest for fcntl ------------------------------------------------===//
+//
+// 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/libc_errno.h"
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michaelrj-google wrote:

this test also needs these includes
```
#include "hdr/fcntl_macros.h"
#include "hdr/types/struct_flock.h"

#include <sys/stat.h> // For S_IRWXU
#include <stdio.h> // For SEEK_SET
```

Additionally, you need the `F_RDLCK`, `F_WRLCK`, and `F_UNLCK` macros to be defined in `fcntl_macros.h`.

https://github.com/llvm/llvm-project/pull/89507