Exception & Interrupt Handling

Doing some researches about exception handling and interrupts. Not at least cause of the nature of time, capacity and reliability of thread computing power.

If your familiar with these topics what would you say to exchange after researches or giving some hints or answering open questions:

• What to do if you go faster than computing power is calling nanosleep() sufficient?
• Can I time the tree and set its frequency in a polymorph form?
• What can the operating system do for me should I take a look at timers?
• Is there a open specification to target this problem and is it protected by patent laws?