US Patent 8943501 System and method for hierarchical interception with isolated environments

A system, method, computer program, and/or computer readable medium for providing hierarchical interception for applications within isolated environments The computer readable medium includes computer-executable instructions for execution by a processing system. The computer-executable instructions may be for installing interceptors, configuring interceptors, preloading shared libraries, using trampoline functions, removal of interceptors, mapping between resources inside and outside the isolated environment, providing an interception database, loading the interception database, redirection of resources, and providing the hierarchy of interceptors.