tt_message_scope(3) ToolTalk Functions tt_message_scope(3)NAMEtt_message_scope - retrieve the scope attribute from a message
SYNOPSIS
#include <Tt/tt_c.h>
Tt_scope tt_message_scope(Tt_message m);
DESCRIPTION
The tt_message_scope() function retrieves the scope attribute from the
specified message.
The m argument is the opaque handle for the message involved in this
operation.
RETURN VALUE
Upon successful completion, the tt_message_scope() function returns a
value that identifies the set of processes eligible to receive the mes‐
sage. The following values are defined:
TT_SESSION
All processes joined to the indicated session are eligible.
TT_FILE
All processes joined to the indicated file are eligible.
TT_BOTH
All processes joined to either indicated file or the indi‐
cated session are eligible.
TT_FILE_IN_SESSION
All processes joined to both the indicated file and the
indicated session are eligible.
The application can use tt_int_error(3) to extract one of the following
Tt_status values from the Tt_scope integer return value:
TT_OK The operation completed successfully.
TT_ERR_NOMP
The ttsession(1) process is not running and the ToolTalk
service cannot restart it.
TT_ERR_POINTER
The pointer passed does not point to an object of the cor‐
rect type for this operation.
SEE ALSOtt_c(5), tt_int_error(3).
ToolTalk 1.3 1 March 1996 tt_message_scope(3)
