Open System Services System Calls Reference Manual (G06.28+)

System Functions (s and S) spt_sendmsgx(2)
[EPIPE] One of these conditions occurred:
An attempt was made to send a message on a socket that
is shut down for writing.
An attempt was made to send a message on a
connection-oriented socket, and the peer socket is
closed or shut down for reading. The SIGPIPE signal is
also sent to the calling process.
[EWOULDBLOCK]
The socket le descriptor is marked nonblocking
(O_NONBLOCK is set), and the operation would block.
RELATED INFORMATION
Functions: getsockopt(2), recv(2), recvfrom(2), recvmsg(2), select(2), send(2), sendto(2),
sendmsg(2), setsockopt(2), shutdown(2), socket(2), socketpair(2), spt_recvx(2),
spt_recfromx(2), spt_recvmsgx(2), spt_send(2), spt_sendx(2), spt_sendtox(2).
STANDARDS CONFORMANCE
This function is an extension to the UNIX 98 specication. Interfaces documented on this refer-
ence page conform to the following industry standards:
IEEE Std 1003.1c-1995, POSIX System Application Program Interface
The use of the header le spthread.h is an HP exception to the POSIX standard.
527186-005 Hewlett-Packard Company 7295