Patent ID: 9135085
Filing Date: 2015-09-15
Classification: G06F

Abstract:
1. A resource exclusive control method used for exclusive control of a sharable resource between a plurality of information processors capable of concurrently executing processes, comprising: a step in which under the circumstances that a lock object which performs a restriction control on an exclusive use of the sharable resource is granting a second information processor a right of prior use of the sharable resource over a first information processor, a time length of exclusive use during which the sharable resource is exclusively used by the second information processor is measured, wherein the time length of exclusive use is a length of time from when the second information processor begins exclusive use of the sharable resource to when an attempt to acquire the right of prior use requested by the first information processor for the lock object fails, and a step in which at least two standby operations are set, the at least two standby operations being carried out by the first information processor until the right of prior use of the sharable resource granted to the second information processor is no longer valid, and the time length of exclusive use is compared to a decision threshold value preset for evaluation of the time length of exclusive use so that one of the standby operations suitable for a comparison result thereby obtained is selected, wherein the group of standby operations includes: