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t_rcvrel(3)
NAME
  t_rcvrel - Acknowledge receipt of an orderly release indication

SYNOPSIS
  #include <xti.h>

  int t_rcvrel(
	  int fd );

LIBRARY
  XTI Library (libxti.a)

STANDARDS
  Interfaces documented on this reference page conform to industry standards
  as follows:

  t_rcvrel():  XNS4.0, XNS5.0

  Refer to the standards(5) reference page for more information about
  industry standards and associated tags.

PARAMETERS
  The following table summarizes the relevance of input parameter data before
  and after t_rcvrel() is called:

  ____________________________________
  Parameter   Before Call   After Call
  ____________________________________
  fd	      y		    n
  ____________________________________

  Notes to Table:

  y   This is a meaningful parameter.

  n   This is not a meaningful parameter.

  fd  Specifies a file descriptor returned by the t_open() function that
      identifies a local transport endpoint that has been released.

DESCRIPTION
  The t_rcvrel() XTI function is used in connection-oriented mode to
  acknowledge receipt of an orderly release indication at a transport
  endpoint. The released endpoint is specified by a file descriptor
  previously returned by the t_open() function.

  After receipt of this orderly release indication, at the transport endpoint
  specified by the file descriptor, a transport user should not try to
  receive additional data from that transport endpoint. Any attempt to
  receive more data from a released transport endpoint blocks continuously.
  However, a transport user may continue to send data across the connection
  until a release is sent by a transport user who invokes a t_sndrel()
  function call.

  The t_rcvrel() function should not be used unless the servtype type-of-
  service returned by the t_open() or t_getinfo() functions is T_COTS_ORD
  (supports connection-mode service with the optional orderly release
  facility).

ERRORS
  If the t_rcvrel() function fails, t_errno may be set to one of the
  following values:

  [TBADF]
      File descriptor fd does not refer to a valid transport endpoint.

  [TNOREL]
      No orderly release indication currently exists at the transport
      endpoint specified by the fd parameter.

  [TLOOK]
      An asynchronous event has occurred on the transport endpoint specified
      by the fd parameter and requires immediate attention.

  [TSYSERR]
      A system error occurred during execution of this function.

  [TOUTSTATE]
      The t_rcvrel() function was issued in the wrong sequence at the
      transport endpoint referenced by the fd parameter.

  [TNOTSUPPORT]
      This function is not supported by the underlying transport provider.

  [TPROTO]
      This error indicates that a communication problem has been detected
      between XTI and the transport provider for which there is no other
      suitable XTI(t_errno).

VALID STATES
  The t_rcvrel() function can be called only in the T_DATAXFER and T_OUTREL
  transport provider states.

RETURN VALUE
  Upon successful completion, a value of 0 (zero) is returned. Otherwise, a
  value of -1 is returned and t_errno is set to indicate the error.

SEE ALSO
  Functions: t_getinfo(3), t_open(3), t_sndrel(3)

  Standards: standards(5)

  Network Programmer's Guide

Index for Section 3

Alphabetical listing for T

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