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lengths of the elements of task-lifetime storage belonging to either the specified
task or, by default, the current task. The lengths returned do not include the
leading or trailing check zones.
For a description of a buffer descriptor, see 299.
NUMBER_OF_ELEMENTS(name4 | (Rn) | *)
returns the number of entries in each of the two buffers, ELEMENT_BUFFER
and LENGTH_BUFFER, as a full-word binary value.
TRANSACTION_NUMBER(name4 | (Rn) | *)
specifies, as a 4 byte packed decimal value, the transaction number of the task
to whom the storage belongs.
If you omit the transaction (task) number, CICS assumes the current task.
RESPONSE and REASON values for INQUIRE_TASK_STORAGE:
RESPONSE REASON
OK None
EXCEPTION INSUFFICIENT_STORAGE
NO_TRANSACTION_ENVIRONMENT
DISASTER None
INVALID None
KERNERROR None
PURGED None
The SWITCH_SUBSPACE call
SWITCH_SUBSPACE causes CICS to switch from a subspace to base space, if the
task is not already executing in the base space. If the task is already in the base
space, storage manager ignores the call.
This function can be used by global user exit programs that receive control in
subspace and for some reason need to switch into basespace.
SWITCH_SUBSPACE
DFHSMSRX [CALL,]
[CLEAR,]
[IN,
FUNCTION(SWITCH_SUBSPACE),
SPACE(BASESPACE),]
[OUT,
RESPONSE (name1 | *),
REASON (name1 | *)]
SPACE(BASESPACE)
specifies that CICS is to switch the task issuing the call to the basespace, if it is
currently executing within a subspace. This enables the task to read and write
to another task’s user-key task-lifetime storage.
RESPONSE and REASON values for SWITCH_SUBSPACE:
RESPONSE REASON
OK None
DISASTER None
KERNERROR None
storage control functions
368
CICS TS for OS/390: CICS Customization Guide
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