MPE/iX Commands Reference Manual (32650-90877)

554 Chapter13
Command List XI
Commands SHOWLOG thru STORE
specified, NOW is taken as the default.
NOTE
Because of the large amount of data buffered in the file system and the
device, an output device may continue to print, making it appear as if the
STOP parameter has not had any effect. In reality, the spooler stops sending
data to the device when the command is received but must wait until all
buffered data has been printed before stopping. Depending on both the
content of the data and the amount of buffering, this may require a
significant part of a page or even several pages. The spooler process notifies
you via the following message that it has processed the command:
IOutput spooler, LDEV
ldev
:
Received a command while outputting a file
If the STOP is received while the spooler is printing a file, the page number of
the last complete page that was printed is saved in the spool file's file label
extension (FLABX). The next time the file is selected for printing by any
spooler, the output resumes at the page following the page number saved in
the FLABX.
INPUT SPOOLERS:
The STOP parameter terminates the spooling process associated with the
specified device. If a class is specified, then spooling processes for all
devices in the specified class are terminated. The spooler first moves to the
STOP pending state (shown as *STOP with the SHOW option) while it finishes
its work on its current file (closing and deleting it; rewinding the tape and
placing it offline). When this is complete, the spooler displays the following
message on the console (or the $STDLIST of an associated user) and
terminates:
Input spooler, LDEV #
ldev
: Stopped.
You may determine the spooler state at any time by entering the following:
SPOOLER
ldev
;SHOW
The STOP option is valid only if a spooler is in the IDLE or ACTIVE state.
Except for a short period during startup when it is in the START state, an
input spooler is always in the IDLE or ACTIVE state.
The NOW, FINISH, OPENQ, and SHUTQ options are not applicable to an
input spooler process and result in an error message if any is used.
SUSPEND The SUSPEND option is valid only for output spooler processes. It suspends
output to one or more spooled devices. The associated spooler processes
remain alive, but inactive. A spooler in the ACTIVE state first moves to the
SUSPEND pending state (shown as *SUSPEND with the SHOW option) while it
finishes its work on its current file (including any required trailer). When
this is complete, or if the spooler was previously in the IDLE state, the
spooler displays the following on the console (or the $STDLIST of an
associated user) and enters the SUSPEND state.
Output spooler, LDEV
#ldev
: Suspended.