simple synchronization example in c needs fixing

Hey, i have done lot's of C code on Linux with IPC mechanism, you can see my reviews on that projects.

Hi I'm an expert in C programming with synchronization. I'm sure that I can easily do this project. We can have a about it. Thanks..

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Hi, Dear. I am interested in your project and I can complete as soon as possible. I have enough experience and skills. If you ping me, we can discuss more in chart. I hope you to select me. Thank you. ~H~

Hi! I'm interesting your project very well. I am a full time developer and i can work more than 10 hours in a day. I am mastering c++ and I'm a good Engineer. And also I have many experience and good skill about algorithm development. Let's go ahead with me

Best in C...........................................................................................................................................................................................................................................