Arguments

 

efn

   OpenVMS usage:ef_number
   type:         longword (unsigned)
   access:       read only
   mechanism:    by value
   Number of the event flag that is set when the service completes.
   If this argument is omitted, event flag 0 is used.
 

flags

   OpenVMS usage:mask_longword
   type:         longword (unsigned)
   access:       read only
   mechanism:    by value
   Reserved to VSI. This argument must be zero.
 

iosb

   OpenVMS usage:io_status_block
   type:         quadword (unsigned)
   access:       write only
   mechanism:    by reference
   The I/O status block in which the completion status of the
   service is returned as a condition value.

   The outcome of the state change is indicated by the contents of
   the I/O status block.

   To view the I/O status block diagram, see the VSI OpenVMS System
   Services Reference Manual.
 

astadr

   OpenVMS usage:ast_procedure
   type:         procedure entry mask
   access:       call without stack unwinding
   mechanism:    by reference
   The AST routine that is executed when the service completes, if
   SS$_NORMAL is returned in R0. The astadr argument is the address
   of the entry mask of this routine. The routine is executed in
   the same access mode as that of the caller of the $TRANS_EVENT
   service.
 

astprm

   OpenVMS usage:user_arg
   type:         longword (unsigned)
   access:       read only
   mechanism:    by value
   The AST parameter passed to the AST routine specified by the
   astadr argument.
 

tid

   OpenVMS usage:trans_id
   type:         octaword (unsigned)
   access:       read only
   mechanism:    by reference
   The identifier (TID) of transaction to which the state change is
   to be applied.
 

rm_id

   OpenVMS usage:identifier
   type:         longword (unsigned)
   access:       read only
   mechanism:    by value
   The identifier of the Resource Manager identifier (RMI) with
   which the coordinating Resource Manager (RM) participant is
   associated.
 

tx_event

   OpenVMS usage:identifier
   type:         longword (unsigned)
   access:       read only
   mechanism:    by value
   The operation to be performed on the transaction. For a list of
   the permitted values and the possible successful outcomes, see
   the VSI OpenVMS System Services Reference Manual.