10-7
Section
Results Storage Area Response Codes
187
Response
code
Probable remedy
Description
UNIX error
message
000E
EFAULT
Bad address (copy failed between
kernel and user area)
Close the local socket and try reopening it.
0011
EEXIST
File exists
0016
EINVAL
Invalid argument (socket library ar-
gument error)
0018
EMFILE
Too many open files (More than 32
sockets)
0020
EPIPE
Broken pipe (remote node closed
socket)
Close the local socket.
003C
EPROTONO-
SUPPORT
Protocol not supported (protocol
other than UDP, TCP, or RAW spe-
cified)
Close the local socket and try reopening it.
003D
EPROTOTYPE
Protocol wrong type for socket
003E
ENOBUFS
No buffer space available
There is too much load (traffic) on the Ethernet
Unit. Check your user applications.
003F
EISCONN
Socket is already connected (con-
nection attempted to open socket)
Close the local socket and try reopening it.
0040
ENOTCONN
Socket is not connected (send at-
tempted to closed socket)
0041
EALREADY
Operation already in progress (con-
nection attempted to existing non-
block connection)
0042
EMSGSIZE
Message too long
Check the length of send data.
UDP or TCP:
1 to 1,982 bytes
UDP broadcasts: 1 to 1,472 bytes
0043
EDESTADDRREQ
Destination address required (des-
tination address not specified)
Close the local socket and try reopening it.
0044
ENOPROTOOPT
Protocol not available (unsupported
option specified)
0045
ECONNABORTED
Software caused connection abort
(another task closed socket)
0046
EINPROGRESS
Operation now in progress (non-
block connection ended during pro-
cessing)
0047
ENOTSOCK
Socket operation on non-socket
0048
EOPNOTSUPP
Operation not supported on socket
0049
EADDRINUSE
Address already in use (UDP or
TCP open request sent for port al-
ready in use)
Check the port number.
TCP ports can remain unusable for 1 min after
closing.
004A
ECONNREFUSED
Connection refused (TCP socket
(active open) processing refused by
remote node)
Passively open a remote TCP socket, check-
ing the remote IP address and remote TCP
port number.
004B
ECONNRESET
Connection reset by peer (TCP
socket closed by remote node)
Close the local socket and try reconnecting.
004C
EADDRNOTAVAIL
Can’t assign requested address
(mistake in remote IP address)
Check the setting of the remote IP address
and try reconnecting.
004D
EAFNOSUPPORT
Address family not supported by
protocol family
Close the local socket and try reopening it.
004E
ENETUNREACH
Network is unreachable
Set the path to the remote node in the IP rout-
er table.
004F
EHOSTDOWN
Host is down
Check the remote host and communications
path.
0050
EWOULDBLOCK
Operation would block
Close the local socket and try reopening it.
0051
EHOSTUNREACH
No route to host
The specified node does not exist on the des-
ignated IP network segment. Check the com-
munications path.
