NAME

tt_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 message. 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 indicated 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 correct type for this operation.

SEE ALSO

Tttt_c(5), tt_int_error(3). 

SunOS 5.5/SPARC  —  Last change: 11 May 1994