• Non ci sono risultati.

Kernel Linux

N/A
N/A
Protected

Academic year: 2021

Condividi "Kernel Linux"

Copied!
4
0
0

Testo completo

(1)

   

Kernel Linux

(2)

   

Kernel Linux

I  programmi  user­level  comunicano  con  il  kernel  attrverso le system call, ad  esempio:  open(),  close(),  read(), write(), etc.

Qunado  un  processo  esegue 

una  system  call,  in  pratica 

cambia  il  suo  modo  di 

esecuzione  da  user  a  kernel 

mode.

(3)

   

Device Driver

(4)

   

Device Driver

Device drivers e device file (everything is a file)

Device   a   caratteri,   device   a   blocchi   e dispositivi di rete

Vediamo   alcuni   esempi   sulla   scrittura   di

“banali” moduli per il kernel 2.6.x e relativi

comandi (i sources sono corredati da readme).

Riferimenti

Documenti correlati

Figure 6.—Decisional algorithm for difficult airway management in thoracic anesthesia and lung separation during urgency-emer- gency procedures. FOB: fiberoptic bronchoscope;

For threonine residues (not present between positions 115–155; 9 of 11 threonine residues are C‑terminal of position 185), no difference in the normal- ized cross peak intensities

A common prediction of weakly coupled models like the standard model (SM) and minimal supersymmetric extensions, as well as strongly coupled composite models of the Higgs boson, is

In the past decades theorists assumed that Lagrangian terms with positive mass dimension (the Higgs mass M h and the vacuum energy) receive big power- divergent quantum corrections,

In human skin explants, intradermal injection of Activin A increased the number of CD1a + and Langerin + cells in both the epidermis and dermis by promoting the differentiation

— The ATLAS and CMS experiments at the Large Hadron Collider discovered a new particle, with a mass of 125 GeV and properties compatible with that predicted for the Higgs boson by

Raccolta e parallelo delle fabbriche classiche di tutti i tempi d’ogni popolo e di ciascun stile; tav.. Raccolta e parallelo delle fabbriche classiche di tutti i tempi d’ogni popolo