Table 48 describes the generic formats owned by the dispatcher domain and shows the functions performed on the calls.
Format | Calling modules | Functions |
---|---|---|
DSAT |
DFHDSKE DFHDSDS4 DFHSJIN DFHSMVN |
TASK_REPLY PURGE_INHIBIT_QUERY FORCE_PURGE_INHIBIT_QUERY NOTIFY_DELETE_TCB |
In the descriptions of the formats that follow, the "input" parameters are input not to the dispatcher, but to the domain being called by the dispatcher. Similarly, the "output" parameters are output by the domain that was called by the dispatcher, in response to the call.
The TASK_REPLY function of DSAT format is used to notify the domain that attached a task that the task has had its first dispatch.
OK|DISASTER|INVALID|KERNERROR
The PURGE_INHIBIT_QUERY function of DSAT format is used by the dispatcher to see if a task selected for purge can be purged. Its main purpose is to find out from the AP domain whether the task is currently purgeable by the system.
YES|NO
The FORCE_PURGE_INHIBIT_QUERY function of DSAT format is used by the dispatcher to see if a task selected for purge can be forcepurged. Its main purpose is to find out from the AP domain whether the task is currently purgeable by the system.
YES|NO
The NOTIFY_DELETE function of DSAT format notifies the interested domain (as specified in the NOTIFY_DELETE parameter on the DSIT ACTIVATE_MODE request for the mode) that a DELETE_TCB request is in progress.
OK