Shapira, Yoav wrote:
Can you clarify something for me? You are referring to tomcat starting child processes and not changing the uid, correct?
I don't understand what you're asking.
I am not entirely sure, either, but I think you two are talking cross-purposes. If I am not mistaken, the OP wanted a way to change the (unix-style) effective uid of a java process running a servlet to _a_specific_value (as if the servlet's VM had been started by that user) to do some privileged native stuff involving shard-memory operations. Since all of tomcat including it's servlets have to run in the same VM, this is not possible by any means short of hacking tomcat itself to spawn a new VM for a servlet to live in.
Phil
-- And on the seventh day, He exited from append mode. (Book of create(2), line 255)
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