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z/TPF Program Management - IBM

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40 z/<strong>TPF</strong> <strong>Program</strong> <strong>Management</strong><br />

(tpf/imfdes.h). This standard header consists of a section that is managed by<br />

common deployment and another section that is managed by the function-unique<br />

processing program.<br />

v Cycle to NORM state processing.<br />

The function-unique processing program is called when the system is cycled to<br />

NORM state to handle tasks that cannot be done during z/<strong>TPF</strong> restart or 1052<br />

state. For example, if the deployment descriptor requires a socket to be started,<br />

function-unique processing starts the socket during cycle to NORM state<br />

processing.<br />

v Clean-up processing.<br />

The function-unique processing program is called when a previous version of a<br />

deployment descriptor must be removed. For example, when a deployment<br />

descriptor is loaded, activated, and accepted with the E-type loader, the previous<br />

version must be removed and the in-memory structure in system heap must be<br />

returned to the system.

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