zhihui, what is wrong with the reqlock API?  tons of code, such as zest, relies on it
zhihui, what is wrong with the reqlock API?  tons of code, such as zest, relies on it

git-svn-id: f2acecaac6fbd5a03f3d4799db58dda434111981@10727 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/pfl,pscedu/pfl,pscedu/pfl,pscedu/slash2-stable,pscedu/pfl,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable