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1. (WO2018203969) TRANSPARENT UPGRADE OF A SYSTEM SERVICE OR APPLICATION

Pub. No.:    WO/2018/203969    International Application No.:    PCT/US2018/021542
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Fri Mar 09 00:59:59 CET 2018
IPC: G06F 8/656
Applicants: GOOGLE LLC
Inventors: DE KRUIJF, Marc
ALFELD, Christopher
EVANS, William
MARTY, Michael
Title: TRANSPARENT UPGRADE OF A SYSTEM SERVICE OR APPLICATION
Abstract:
Systems and methods for updating an application without a restart are provided. A processor can start a second application instance while a first application instance is still executing. The first application instance can transfer a first set of state information to the second application instance. The second application instance can declare its readiness for activation in response to completion of the transfer. The first application instance can deactivate in response to the declaration. Deactivation includes transferring a second set of state information from the first application instance to the second application instance and releasing single-access resources. The second application instance can activate. Activation includes receiving the second set of state information, and accessing the single-access resources. The second application instance can declare that activation is complete in response to completion of the activation. The first application instance can terminate in response to the declaration.