Re: [PATCH v5 0/1] MR7642: server: Use dlsym() to check for epoll_pwait2 at run-time.

[Jinoh Kang (＠iamahuman)]

dlsym(2) doesn't work for this purpose. On older kernels, the function *will* exist (when bundled with newer glibc) but calling it will return errno=ENOSYS.

Please use ENOSYS instead.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/7642#note_98965