[all-commits] [llvm/llvm-project] b5a51c: [libc] Add a few missing fcntl.h macro. (#226810)

[Alexey Samsonov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b5a51c5b670728f0b3bcb3d31bc063821cbcfb4b
      https://github.com/llvm/llvm-project/commit/b5a51c5b670728f0b3bcb3d31bc063821cbcfb4b
  Author: Alexey Samsonov <vonosmas at gmail.com>
  Date:   2026-09-28 (Mon, 28 Sep 2026)

  Changed paths:
    M libc/include/fcntl.yaml
    M libc/include/llvm-libc-macros/linux/fcntl-macros.h

  Log Message:
  -----------
  [libc] Add a few missing fcntl.h macro. (#226810)

* Add a few POSIX-specified symbolic constants to `<fcntl.h>`:
`O_RSYNC`,
  `AT_SYMLINK_FOLLOW`, and `F_DUPFD_CLOEXEC`.
* Don't add `_CLOFORK` variants, since those are not supported by Linux.
* List the constants in the `fcntl.yaml` file for posterity.



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