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Merge pull request #1 from scdong/master

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Update Epoll.cpp
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Merge pull request #2 from scdong/master

update from li wang
Update A.h
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Merge branch 'master' of https://github.com/scdong/Claims into scdong-master
Delete .project
Delete .cproject
Try to solve the locking problem in Join, but fails...
Merge pull request #1 from wangli1426/developing

Developing