dotnet/runtime
GitHub で見るSupport Socket.DuplicateAndClose through pidfd_getfd on Linux
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#113,701 opened on 2025年3月19日
area-System.Net.Socketshelp wanted
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説明
Related: https://github.com/dotnet/runtime/issues/1760
Syscall: https://man7.org/linux/man-pages/man2/pidfd_getfd.2.html
It should be possible to use this syscall to implement DuplicateAndClose, it seems with it Linux no longer fundamentally differs from Windows' WSADuplicateSocket. Though I can imagine the ptrace permission requirement may be problematic.