Appeal No. 1999-2416
Application No. 08/705,449
BACKGROUND
The invention is directed to a multitasking data processing system and a method
of controlling allocation of shared resources within the system. Representative claim 1
is reproduced below.
1. A method of controlling allocation of shared resources within a
multitasking data processing system having a plurality of tasks, said method
comprising:
in response to a resource request for a portion of a shared resource by a
particular task among said plurality of tasks, determining whether or not granting
said resource request would cause a selected level of resource allocation to be
exceeded and determining whether or not granting said resource request would
cause a resource allocation limit to be exceeded;
in response to a determination that granting said resource request would
cause said resource allocation limit to be exceeded, denying said resource
allocation request;
in response to a determination that granting said resource request would
not cause said selected level of resource allocation to be exceeded, granting
said resource request; and
in response to a determination that granting said resource request would
cause said selected level of resource allocation but not said resource allocation
limit to be exceeded, suspending execution of said particular task for a selected
penalty time and then granting said request.
The examiner relies on the following references:
Ferguson et al. (Ferguson) 5,210,872 May 11, 1993
Camillone et al. (Camillone) 5,421,011 May 30, 1995
Claims 1-3, 5, 6, 8-10, 12, 13, 15-18, 20, 21, and 23 stand rejected under 35
U.S.C. § 103 as being unpatentable over Camillone and Ferguson.
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