How to create Parent and child thread and synchronize them ???

I wish to create a two threaded program ....
where the parent thread will do a job and return a value which the child thread will use for a job ....

How do I do that ?

Do I have to use fork/vfork with pthread_create ??

1) This is not a kernel question

2) Yes, "pthreads" sounds like the best tool for the job

3) Here's a good place to start:

http://www.yolinux.com/TUTORIALS/Lin...ixThreads.html