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Technical Reference: Communications, Volume 2
Initiate an orderly
release.
X/Open Transport Interface
Library (libxti.a)
#include <xti.h>
int t_sndrel (fd)
int fd;
The t_sndrel
subroutine is used to initiate an orderly release of a transport connection
and indicates to the transport provider that the transport user has no more
data to send.
After calling the
t_sndrel subroutine, the user may not send any more data over the
connection. However, a user may continue to receive data if an orderly
release indication has not been received. This subroutine is an
optional service of the transport provider and is only supported if the
transport provider returned service type T_COTS_ORD on the
t_open or t_getinfo subroutines.
fd
| Identifies the local transport endpoint where the connection
exists.
|
T_DATAXFER,
T_INREL.
0
| Successful completion.
|
-1
| t_errno is set to indicate an error.
|
On failure, t_errno is
set to one of the following:
TBADF
| The specified file descriptor does not refer to a transport
endpoint.
|
TFLOW
| O_NONBLOCK was set, but the flow control mechanism prevented
the transport provider from accepting the subroutine at this time.
|
TLOOK
| An asynchronous event has occurred on this transport endpoint and
requires immediate attention.
|
TNOTSUPPORT
| This subroutine is not supported by the underlying transport
provider.
|
TOUTSTATE
| The subroutine was issued in the wrong sequence on the transport endpoint
referenced by the fd parameter.
|
TPROTO
| This error indicates that a communication problem has been detected
between X/Open Transport Interface and the transport provider for which there
is no other suitable X/Open Transport Interface (t_errno).
|
TSYSERR
| A system error has occurred during execution of this subroutine.
|
The t_getinfo subroutine, t_open subroutine, t_rcvrel subroutine.
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