[so] Cursul 5

[Mirea Bogdan-Stefan]

Andrei Draga <andreidraga at ...> writes:

> 
> La slide-ul 25/44 scrie despre o implementare posibila a mutex-ului.Aceasta
este :"simpla si eficienta ( nu necesita trap in kernel daca regiunea critica
este libera )"La ce se refera acest cuvant "trap" ?   
> 
> _______________________________________________
> http://elf.cs.pub.ro/so/wiki/resurse/lista-discutii


Trap este o intrerupere software.

"A trap (or an exception) is a software-generated interrupt caused
either by an error (for example, division by zero or invalid memory access)
or by a specific request from a user program that an operating-system service
be performed." (Operating System Concepts)