Re: [PATCH v10 0/2] MR3504: Draft: ntdll: An implementation of SRWLOCK that closer matches Windows'.

[Jinoh Kang (＠iamahuman)]

This assumes GCC.

1. It uses GCC-specific extensions to C, such as `__attribute__`.
2. It doesn't define atomic helpers for MSVC.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/3504#note_41884