winsock 错误码定义
Windows TCP Error Codes
This list is arranged numerically.
See Microsoft's WinSock Error Codes for more extensive documentation.
10004
WSAEINTR -- Interrupted function call.
10013
WSAEACCES -- Permission denied.
10014
WSAEFAULT -- Bad address.
10022
WSAEINVAL -- Invalid argument.
10024
WSAEMFILE -- Too many open files. Actually, it's too many open sockets.
10035
WSAEWOULDBLOCK -- Resource temporarily unavailable.
10036
WSAEINPROGRESS -- Operation now in progress. A blocking operation is in progress.
10037
WSAEALREADY -- Operation already in progress.
10038
WSAENOTSOCK -- Socket operation on non-socket.
10039
WSAEDESTADDRREQ -- Destination address required.
10040
WSAEMSGSIZE -- Message too long.
10041
WSAEPROTOTYPE -- Protocol wrong type for socket.
10042
WSAENOPROTOOPT -- Bad protocol option.
10043
WSAEPROTONOSUPPORT -- Protocol not supported.
10044
WSAESOCKTNOSUPPORT -- Socket type not supported.
10045
WSAEOPNOTSUPP -- Operation not supported.
10046
WSAEPFNOSUPPORT -- Protocol family not supported.
10047
WSAEAFNOSUPPORT -- Address family not supported by protocol family.
10048
WSAEADDRINUSE -- Address is already in use. If you attempt to set up a server on a port that is already is in use, you will get this error.
10049
WSAEADDRNOTAVAIL -- Cannot assign requested address.
10050
WSAENETDOWN -- Network is down.
10051
WSAENETUNREACH -- Network is unreachable.
10052
WSAENETRESET -- Network dropped connection on reset.
10053
WSAECONNABORTED -- Software caused the connection to abort. A connection that has been made was aborted, usually due to connection or protocol error.
10054
WSAECONNRESET -- Connection reset by peer. This occurs when an established connection is shut down for some reason by the remote computer.
10055
WSAENOBUFS -- No buffer space available.
10056
WSAEISCONN -- Socket is already connected.
10057
WSAENOTCONN -- Socket is not connected.
10058
WSAESHUTDOWN -- Cannot send after socket shutdown.
10060
WSAETIMEDOUT -- Connection timed out.
10061
WSAECONNREFUSED -- Connection refused. You will usually see this error when a server refuses a connection from a client, because the server is not listening on that port.
10064
WSAEHOSTDOWN -- Host is down.
10065
WSAEHOSTUNREACH -- No route to host.
10067
WSAEPROCLIM -- Too many processes.
10091
WSASYSNOTREADY -- Network subsystem is unavailable.
10092
WSAVERNOTSUPPORTED -- Unsupported version of WINSOCK.DLL.
10093
WSANOTINITIALISED -- Successful WSAStartup not yet performed. TCP networking has not been initialized on your computer.
10094
WSAEDISCON -- Graceful shutdown in progress.
11001
WSAHOST_NOT_FOUND -- Host not found. (DNS error.)
11002
WSATRY_AGAIN -- Non-authoritative host not found. Temporary DNS error.
11003
WSANO_RECOVERY -- Non-recoverable error. (DNS error.)
11004
WSANO_DATA -- Valid name, no data record of requested type. (DNS error).
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