The ioring APIs in ntdll are totally undocumented[1]. The APIs in ioringapi.h are provided by kernelbase.dll. I would suggest to wait for Microsoft to open up some more documentation. For example, MS did not mention the library to use CreateIoRing[2] but only mentioned the header name.
[1]: https://windows-internals.com/i-o-rings-when-one-i-o-operation-is-not-enough/ [2]: https://docs.microsoft.com/en-us/windows/win32/api/ioringapi/nf-ioringapi-createioring _______________________________________________ Mingw-w64-public mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
