# Sharing System Resources

This chapter explains techniques for sharing system resources using semaphores. For details about the functions described here, see Kernel Folio Calls, in the 3DO System Programmer's Reference.

This chapter contains the following topics:

- About Semaphores
- Creating a Semaphore
- Locking a Semaphore
- Unlocking a Semaphore
- Finding a Semaphore
- Deleting a Semaphore
- Function Calls