critical sections

Ambiguities:

1. What is the difference between a re-entrant and a thread-safe function?
2. What is the difference between a semaphore and a mutex?
   

Comments please. Answers will be posted soon.

Welcome Techie Group

The title gtek signifies: Group Techie Blog. Why is it spelled gtek instead of gtech? Well that's what I could create on blogger.com, I now somehow feel, it sounds cool that way.
All authors, please post interesting technical articles, fundamentals, discussions, links etc.
Welcome!