Difference between revisions of "Operating Systems 2017F Lecture 19"
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** FUSE applications? | ** FUSE applications? | ||
** the linux kernel? | ** the linux kernel? | ||
** node web applications | ** node web applications? | ||
In many systems, "main" just sets up even handlers | |||
* the event loop can be implicit or explicit | |||
** or there may be no loop at all, just handlers and "interrupts" some kind | |||
* event loops poll (check) to see when there are new events | |||
* what are event loops for node app? | |||
** where are interrupts for node apps? | |||
***Incoming network requests, it's an event | |||
OS kernels are essentially the same thing | |||
Revision as of 14:37, 21 November 2017
[Notes]
Sample
sample
Additional Notes
Where's main?
- lots of program shave "main" functions - a function that runs first and controls the execution of the program
- Do these have "main" functions?
- Linux kernel modules
- FUSE applications?
- the linux kernel?
- node web applications?
In many systems, "main" just sets up even handlers
- the event loop can be implicit or explicit
- or there may be no loop at all, just handlers and "interrupts" some kind
- event loops poll (check) to see when there are new events
- what are event loops for node app?
- where are interrupts for node apps?
- Incoming network requests, it's an event
- where are interrupts for node apps?
OS kernels are essentially the same thing