Guardian Programming Reference Summary for pTAL and TAL
Procedure Calls Summary (A-C)
Guardian Programming Reference Summary for pTAL and TAL—522631-001
4-19
CHECKDEFINE
Updates a backup process with a DEFINE that was changed in the primary process.
CHECKMONITOR
Is called by a backup process to monitor the state of the primary process and to return
control to the appropriate point (in the backup process) in the event the primary process
fails.
< (CCL) The error parameter is missing, or a bounds error occurred on the error
parameter.
= (CCE) Is set by all other errors (see error parameter)
status := CHECKDEFINE [ ( define-name ) ];
status, INT returned value
<0:7> 0 = Operation successful.
1 = Could not communicate with backup.
<8:15> File-system error number.
define-name, STRING .EXT:ref:24 input
status := CHECKMONITOR;
status, INT returned value
<0:7> = 2
<8:15> = 0 The primary process stopped.
= 1 The primary process ended abnormally.
= 2 The processor running the primary process failed.
= 3 The primary process called CHECKSWITCH.