EACCES

A blocking accept was sent from the context of a callback.

EADDRINUSE

The specified address is already in use.

EADDRNOTAVAIL

The specified address is not available from the local machine.

EAFNOSUPPORT

The addresses in the specified address family cannot be used with by this socket.

EBADF

The receiver no longer refers to a valid socket.

ECONNABORTED

The virtual circuit was aborted due to timeout or other failure.

ECONNREFUSED

The attempt to connect was rejected.

ECONNRESET

The virtual circuit was reset by the remote side.

EDESTADDREQ

A destination address is required.

EFAULT

The optionValue is not a valid part of the process address space.

EHOSTNOTFOUND

Authoritative answer host not found.

EINPROGRESS

A blocking socket operation is in progress.

EINTR

The operation was interrupted.

EINVAL

A listen was not performed on the receiver prior to accept.

EISCONN

The receiver is already connected.

EMFILE

The queue is empty upon entry to accept and there are no descriptors available.

EMSGSIZE

The datagram was too large to fit into the specified buffer and was truncated.

ENETDOWN

The interface implementation has detected that the network subsystem has failed.

ENETRESET

The connection must be reset because the interface implementation dropped it.

ENETUNREACH

No route to the network or host is present.

ENOBUFS

No buffer space is available.

ENODATA

Valid address but no data.

ENOPROTOOPT

The option is unknown.

ENOTCONN

The socket is not connected.

ENOTINITIALISED

The network interface has not started.

ENOTSOCK

The receiver refers something besides a socket.

EOPNOTSUPP

The receiver is not a type that supports connections oriented services i.e. not a streaming socket (SOCKSTREAM).

EPROTONOSUPPORT

The specified protocol is not supported.

EPROTOTYPE

The specified protocol is the wrong type for this socket.

ESHUTDOWN

The interface has been shutdown. It is not possible to recv on the socket after shutdown.

ESOCKTNOSUPPORT

The specified socket type is not supported in this address family.

ETIMEDOUT

A timed out occurred before a connection was made.

EWOULDBLOCK

The receiver is marked as non-blocking, and no connections are present to be accepted