Winsock error code

winsock2 WsaGetLastError

The following list identifies the Winsock error codes. These values are used by the WSAGetLastError function to report and identify errors caused by other Winsock functions.

The following Winsock error codes are listed in ascending numerical order.

WSAEINTR (10004)
Interrupted Function Call -- A blocking operation was cancelled.

WSAEACCESS (10013)
Permission Denied -- An attempt to access a socket was forbidden by its access permissions.

WSAEFAULT (10014)
Bad Address -- An invalid pointer address was specified in a function call.

WSAEINVAL (10022)
Invalid Argument -- An invalid argument was passed to a function.

WSAEMFILE (10024)
Too Many Open Files -- There are too many open sockets.

WSAEWOULDBLOCK (10035)
Resource Temporarily Unavailable -- The specified socket operation cannot be completed immediately, but the operation should be retried later.

WSAEINPROGRESS (10036)
Operation Now in Progress -- A blocking operation is currently executing.

WSAEALREADY (10037)
Operation Already in Progress -- An operation was attempted on a non-binding socket that already had an operation in progress.

WSAENOTSOCK (10038)
Socket Operation on Non-Socket -- An operation was attempted on something that is not a socket.

WSAEDESTADDRREQ (10039)
Destination Address Required -- A required address was omitted from a socket operation.

WSAEMSGSIZE (10040)
Message Too Long -- A message was sent on a datagram socket that exceeds the internal message buffer or some other limit.

WSAEPROTOTYPE (10041)
Protocol Wrong Type for Socket -- A protocol was specified that is not supported by the target socket.

WSAENOPROTOOPT (10042)
Bad Protocol Option -- An unknown, invalid, or unsupported protocol option or leel was specified.

WSAEPROTONOSUPPORT (10043)
Protocol Not Supported -- The specified protocol is not supported or is not implemented.

转载于:https://www.cnblogs.com/feisimple/archive/2006/06/19/429423.html