Open System Services System Calls Reference Manual (G06.25+, H06.03+)

errno(5) OSS System Calls Reference Manual
[EINVAL] Invalid function parameter. One of the following conditions exists:
• The program supplied an invalid parameter value.
• The system does not support execution of a new program file in the
binary format used by a specified program file.
[EIO] I/O error. Some physical input or output error has occurred. Either a file cannot
be opened because of an input or output error or data has been lost during an
input or output transfer. This value is used only for errors on a program file, on a
user library, on a shared run-time library, or during data transfer with a Guardian
environment home terminal.
[EISCONN] Socket is connected. The program attempted to use a socket that is already in
use.
[EISDIR] Is a directory. The program attempted to open an OSS directory with open()
function write mode specified, or a directory in /G with any mode specified.
[EISGUARDIAN]
OSS operation on Guardian file descriptor. The program attempted an OSS
operation involving a Guardian file descriptor.
[ELOOP] Too many symbolic links. The program found too many symbolic links during
pathname resolution.
[EMFILE] Maximum number of files open. The program attempted to open more than the
maximum number of file descriptors allowed in this process.
[EMLINK] Too many links. An attempt was made to have the link count of a single file
exceed allowed system limits.
[EMSGQNOTRUNNING]
The OSS message-queue server for the requested message queue is not currently
running.
[EMSGSIZE] Message too long. The specified message contained too many bytes.
[ENAMETOOLONG]
File name too long. One of the following is too long:
• A pathname specified in a function call
• A component of a pathname specified in a function call
• The intermediate result of pathname resolution when a symbolic link is
part of a pathname specified in a function call
Use the pathconf( ) function to obtain the applicable system limits.
[ENETDOWN]
Network down. The last path between the node and the network went down.
[ENETRESET] Network dropped connection on reset. The connection was dropped because the
network was reset.
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