tt_message_scope(library call) tt_message_scope(library call)
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 indi‐
cated 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 ser‐
vice cannot restart it.
TT_ERR_POINTER
The pointer passed does not point to an object of the correct
type for this operation.
SEE ALSO
Tt/tt_c.h - Tttt_c(5), tt_int_error(3).
tt_message_scope(library call)
