118private readonly Error _error; 127internal ErrorInfo(Error error) 133internal Error Error 156internal static Error GetLastError() 197internal static partial Error ConvertErrorPlatformToPal(int platformErrno); 201internal static partial int ConvertErrorPalToPlatform(Error error); 219public static Interop.ErrorInfo Info(this Interop.Error error)

14internal static unsafe partial Error GetSocketAddressSizes(int* ipv4SocketAddressSize, int* ipv6SocketAddressSize, int* udsSocketAddressSize, int* maxSocketAddressSize); 18internal static unsafe partial Error GetAddressFamily(byte* socketAddress, int socketAddressLen, int* addressFamily); 22internal static unsafe partial Error SetAddressFamily(byte* socketAddress, int socketAddressLen, int addressFamily); 26internal static unsafe partial Error GetPort(byte* socketAddress, int socketAddressLen, ushort* port); 30internal static unsafe partial Error SetPort(byte* socketAddress, int socketAddressLen, ushort port); 34internal static unsafe partial Error GetIPv4Address(byte* socketAddress, int socketAddressLen, uint* address); 38internal static unsafe partial Error SetIPv4Address(byte* socketAddress, int socketAddressLen, uint address); 41internal static unsafe partial Error GetIPv6Address(byte* socketAddress, int socketAddressLen, byte* address, int addressLen, uint* scopeId); 44internal static unsafe partial Error SetIPv6Address(byte* socketAddress, int socketAddressLen, byte* address, int addressLen, uint scopeId);

26Interop.Error err = Interop.Sys.GetSocketAddressSizes(&ipv4, &ipv6, &uds, &max); 27Debug.Assert(err == Interop.Error.SUCCESS, $"Unexpected err: {err}"); 39private static void ThrowOnFailure(Interop.Error err) 43case Interop.Error.SUCCESS: 46case Interop.Error.EFAULT: 50case Interop.Error.EAFNOSUPPORT: 63Interop.Error err; 75Interop.Error err; 91Interop.Error err; 103Interop.Error err; 115Interop.Error err; 128Interop.Error err; 141Interop.Error err; 167Interop.Error err;

34private static readonly Dictionary<Interop.Error, SocketError> s_nativeErrorToSocketError = new Dictionary<Interop.Error, SocketError>(NativeErrorToSocketErrorCount) 36{ Interop.Error.EACCES, SocketError.AccessDenied }, 37{ Interop.Error.EADDRINUSE, SocketError.AddressAlreadyInUse }, 38{ Interop.Error.EADDRNOTAVAIL, SocketError.AddressNotAvailable }, 39{ Interop.Error.EAFNOSUPPORT, SocketError.AddressFamilyNotSupported }, 40{ Interop.Error.EAGAIN, SocketError.WouldBlock }, 41{ Interop.Error.EALREADY, SocketError.AlreadyInProgress }, 42{ Interop.Error.EBADF, SocketError.OperationAborted }, 43{ Interop.Error.ECANCELED, SocketError.OperationAborted }, 44{ Interop.Error.ECONNABORTED, SocketError.ConnectionAborted }, 45{ Interop.Error.ECONNREFUSED, SocketError.ConnectionRefused }, 46{ Interop.Error.ECONNRESET, SocketError.ConnectionReset }, 47{ Interop.Error.EDESTADDRREQ, SocketError.DestinationAddressRequired }, 48{ Interop.Error.EFAULT, SocketError.Fault }, 49{ Interop.Error.EHOSTDOWN, SocketError.HostDown }, 50{ Interop.Error.ENXIO, SocketError.HostNotFound }, // not perfect, but closest match available 51{ Interop.Error.EHOSTUNREACH, SocketError.HostUnreachable }, 52{ Interop.Error.EINPROGRESS, SocketError.InProgress }, 53{ Interop.Error.EINTR, SocketError.Interrupted }, 54{ Interop.Error.EINVAL, SocketError.InvalidArgument }, 55{ Interop.Error.EISCONN, SocketError.IsConnected }, 56{ Interop.Error.EMFILE, SocketError.TooManyOpenSockets }, 57{ Interop.Error.EMSGSIZE, SocketError.MessageSize }, 58{ Interop.Error.ENETDOWN, SocketError.NetworkDown }, 59{ Interop.Error.ENETRESET, SocketError.NetworkReset }, 60{ Interop.Error.ENETUNREACH, SocketError.NetworkUnreachable }, 61{ Interop.Error.ENFILE, SocketError.TooManyOpenSockets }, 62{ Interop.Error.ENOBUFS, SocketError.NoBufferSpaceAvailable }, 63{ Interop.Error.ENODATA, SocketError.NoData }, 64{ Interop.Error.ENOENT, SocketError.AddressNotAvailable }, 65{ Interop.Error.ENOPROTOOPT, SocketError.ProtocolOption }, 66{ Interop.Error.ENOTCONN, SocketError.NotConnected }, 67{ Interop.Error.ENOTSOCK, SocketError.NotSocket }, 68{ Interop.Error.ENOTSUP, SocketError.OperationNotSupported }, 69{ Interop.Error.EPERM, SocketError.AccessDenied }, 70{ Interop.Error.EPIPE, SocketError.Shutdown }, 71{ Interop.Error.EPFNOSUPPORT, SocketError.ProtocolFamilyNotSupported }, 72{ Interop.Error.EPROTONOSUPPORT, SocketError.ProtocolNotSupported }, 73{ Interop.Error.EPROTOTYPE, SocketError.ProtocolType }, 74{ Interop.Error.ESOCKTNOSUPPORT, SocketError.SocketNotSupported }, 75{ Interop.Error.ESHUTDOWN, SocketError.Disconnecting }, 76{ Interop.Error.SUCCESS, SocketError.Success }, 77{ Interop.Error.ETIMEDOUT, SocketError.TimedOut }, 80private static readonly Dictionary<SocketError, Interop.Error> s_socketErrorToNativeError = new Dictionary<SocketError, Interop.Error>(SocketErrorToNativeErrorCount) 88{ SocketError.AccessDenied, Interop.Error.EACCES}, // could also have been EPERM 89{ SocketError.AddressAlreadyInUse, Interop.Error.EADDRINUSE }, 90{ SocketError.AddressNotAvailable, Interop.Error.EADDRNOTAVAIL }, 91{ SocketError.AddressFamilyNotSupported, Interop.Error.EAFNOSUPPORT }, 92{ SocketError.AlreadyInProgress, Interop.Error.EALREADY }, 93{ SocketError.ConnectionAborted, Interop.Error.ECONNABORTED }, 94{ SocketError.ConnectionRefused, Interop.Error.ECONNREFUSED }, 95{ SocketError.ConnectionReset, Interop.Error.ECONNRESET }, 96{ SocketError.DestinationAddressRequired, Interop.Error.EDESTADDRREQ }, 97{ SocketError.Disconnecting, Interop.Error.ESHUTDOWN }, 98{ SocketError.Fault, Interop.Error.EFAULT }, 99{ SocketError.HostDown, Interop.Error.EHOSTDOWN }, 100{ SocketError.HostNotFound, Interop.Error.EHOSTNOTFOUND }, 101{ SocketError.HostUnreachable, Interop.Error.EHOSTUNREACH }, 102{ SocketError.InProgress, Interop.Error.EINPROGRESS }, 103{ SocketError.Interrupted, Interop.Error.EINTR }, 104{ SocketError.InvalidArgument, Interop.Error.EINVAL }, 105{ SocketError.IOPending, Interop.Error.EINPROGRESS }, 106{ SocketError.IsConnected, Interop.Error.EISCONN }, 107{ SocketError.MessageSize, Interop.Error.EMSGSIZE }, 108{ SocketError.NetworkDown, Interop.Error.ENETDOWN }, 109{ SocketError.NetworkReset, Interop.Error.ENETRESET }, 110{ SocketError.NetworkUnreachable, Interop.Error.ENETUNREACH }, 111{ SocketError.NoBufferSpaceAvailable, Interop.Error.ENOBUFS }, 112{ SocketError.NoData, Interop.Error.ENODATA }, 113{ SocketError.NotConnected, Interop.Error.ENOTCONN }, 114{ SocketError.NotSocket, Interop.Error.ENOTSOCK }, 115{ SocketError.OperationAborted, Interop.Error.ECANCELED }, 116{ SocketError.OperationNotSupported, Interop.Error.ENOTSUP }, 117{ SocketError.ProtocolFamilyNotSupported, Interop.Error.EPFNOSUPPORT }, 118{ SocketError.ProtocolNotSupported, Interop.Error.EPROTONOSUPPORT }, 119{ SocketError.ProtocolOption, Interop.Error.ENOPROTOOPT }, 120{ SocketError.ProtocolType, Interop.Error.EPROTOTYPE }, 121{ SocketError.Shutdown, Interop.Error.EPIPE }, 122{ SocketError.SocketNotSupported, Interop.Error.ESOCKTNOSUPPORT }, 123{ SocketError.Success, Interop.Error.SUCCESS }, 124{ SocketError.TimedOut, Interop.Error.ETIMEDOUT }, 125{ SocketError.TooManyOpenSockets, Interop.Error.ENFILE }, // could also have been EMFILE 126{ SocketError.TryAgain, Interop.Error.EAGAIN }, // not a perfect mapping, but better than nothing 127{ SocketError.WouldBlock, Interop.Error.EAGAIN }, 128{ SocketError.SocketError, Interop.Error.ESOCKETERROR }, 131internal static SocketError GetSocketErrorForNativeError(Interop.Error errno) 139internal static Interop.Error GetNativeErrorForSocketError(SocketError error) 141Interop.Error errno; 145errno = (Interop.Error)(int)error; 150internal static bool TryGetNativeErrorForSocketError(SocketError error, out Interop.Error errno)

29if (SocketErrorPal.TryGetNativeErrorForSocketError(error, out Interop.Error interopErr))