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

recvfrom(2) OSS System Calls Reference Manual
[ENOTSOCK] The socket parameter does not refer to a socket.
[EOPNOTSUPP]
The specified value for the flags parameter is not supported for this socket type
or protocol.
[ETIMEDOUT]
A transmission timed out on an active connection.
[EWOULDBLOCK]
The socket file descriptor is marked nonblocking (O_NONBLOCK is set) and
the operation would block.
RELATED INFORMATION
Functions: read(2), recv(2), recvmsg(2), select(2), send(2), sendmsg(2), sendto(2), shut-
down(2), socket(2), write(2).
STANDARDS CONFORMANCE
The HP implementation does not return the
errno value [ENOSR].
The following are HP extensions to the XPG4 specification:
• The errno value [ECONNRESET] can be returned when the transport-provider process
is not available.
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