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| | Java Security Architecture: - |
 | | In a "lazy evaluation" implementation, whenever permission checking is requested, the thread state (as reflected by the current state, including the current thread's call stack or its equivalent) is examined and a decision is reached to either deny or grant the particular access requested. |
 | | Thus, when a new thread is created, we actually ensure (via thread creation and other code) that it automatically inherits the parent thread's security context at the time of creation of the child thread, in such a way that subsequent |
 | | In other words, the logical thread context is expanded to include both the parent context (in the form of an AccessControlContext, described in the next section) and the current context, and the algorithm for checking permissions is expanded to the following. |
| java.sun.com /j2se/1.3/docs/guide/security/spec/security-spec.doc4.html (2234 words) |
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