Detecting lock acquisition hierarchy violations in...

Details Detecting lock acquisition hierarchy violations in... Detecting lock acquisition hierarchy violations in...

2004-09-29

2010-02-02

An, Meng-Ai (Department: 2195)

Electrical computers and digital processing systems: virtual mac

Task management or control

Process scheduling

C714S002000, C714S048000

Reexamination Certificate

active

07657894

ABSTRACT:
A method, apparatus, and system are provided for monitoring resource operations and detecting lock acquisition hierarchy violations in multithreaded programs. In one embodiment, a lock acquisition hierarchy graph is constructed to facilitate monitoring of resource operations performed by each of a plurality of threads of a multithreaded program. The resource operations performed by each thread are monitored by a monitor. Any violation in the hierarchy is detected by a detector, which is triggered with an occurrence of a change in the graph.

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