Pause(4) DEVICES AND NETWORK INTERFACES Pause(4)
Pause request - pause a tool, operation or data performance
Pause([in messageID operation]);
The Pause request pauses the specified tool, operation or
If the optional operation argument is included, the handler
should pause the operation that was invoked by the specified
The operation argument is the request that should be paused.
For a request to be eligible for pausing, the handler must
have sent a Status notice back to the requester (thus iden-
tifying itself to the requester).
The ToolTalk service may return the following error in pro-
cessing the Pause request:
The operation argument does not refer to any mes-
sage currently known by the handler.
The ttdt_session_join(3), and ttdt_message_accept(3), func-
tions can be used to register for, and help process, the
The Pause message can be sent as in the following example:
Tt_message msg = tttk_message_create(0, TT_REQUEST, TT_SESSION,
Pause can also be sent as a multicast notice, as an edict to
all tools in the scope of the message. The consequences of
doing so can be severe and unexpected.
ttdt_session_join(3); Resume request.
Unix System LaboratorLast change: 13 May 1994 1
Man(1) output converted with