Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

connect(2) OSS System Calls Reference Manual

[ECONNRESET]

One of these conditions occurred:

• The transport-provider process for this socket is no longer available.

• The TCP/IP subsystem for this socket is no longer available.

• The connection was forcibly closed by the peer socket.

The socket can only be closed.

[EFAULT] A user-supplied memory buffer cannot be accessed.

[EHOSTUNREACH]

The destination host cannot be reached.

[EINPROGRESS]

The socket is marked nonblocking (O_NONBLOCK is set) and the requested

connection is not yet completed. The connection will be completed asynchro-

nously.

[EINTR] The attempt to connect was interrupted by delivery of a signal. The connection

will be completed asynchronously.

This error is also returned if the connect) function is thread-aware and a signal

received from the pthread_kill() function is not blocked, ignored, or handled.

[EINVAL] One of the following conditions exists:

• The size speciﬁed for the address_len parameter is not valid for an

address in the address family that is used by this connection.

• The sockaddr structure contains an invalid address family.

[EIO] The socket is in the AF_UNIX domain and an I/O error occurred during a read

or write to the ﬁle system.

[EISCONN] The speciﬁed socket is connection-oriented and is already connected.

[ELOOP] The socket is in the AF_UNIX domain and too many symbolic links were

encountered in translating the pathname in the sockaddr structure.

[ENAMETOOLONG]

The socket is in the AF_UNIX domain and one of the following conditions

exists:

• The pathname in the sockaddr structure exceeds PATH_MAX charac-

ters.

• A component of the pathname in the sockaddr structure exceeds

NAME_MAX characters.

• The intermediate result of pathname resolution when a symbolic link is

part of the pathname in the sockaddr structure exceeds PATH_MAX

characters.

The pathconf( ) function can be called to obtain the applicable limits.

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