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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
We saw in class that after a process executes handlers for pending signals (with the operating systemA????1s help), it transfers control to the OS to let the OS carry out some bookkeeping. Following this, the process resumes its execution from where it had last left off. Why is this transition to the OS needed and what kind of bookkeeping does the OS do? We saw in class that traps are A????1synchronousA????1 events while interrupts may be A????1asynchronous?A????1 Make sure you understand what this means. What about signals - would you consider them synchronous or asynchronous and why?
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