marcorealacci/master-degree-notes
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

vault backup: 2025-03-12 12:24:27

Browse source
This commit is contained in:
Marco Realacci 2025-03-12 12:24:27 +01:00
parent a6939cfeb2
commit a88fc10c02
1 changed files with 2 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
Concurrent Systems/notes/4 - Semaphores.md
View file

@ -181,10 +181,9 @@ producer A:
- but wait! Consumer B is still reading there - but wait! Consumer B is still reading there
- **Producer A doesn't give a fuck.** - **Producer A doesn't give a fuck.**
![[Pasted image 20250312121828.png|200]] ![[Pasted image 20250312121828.png|200]]
*don't be like Producer A, be more like Bob* *don't be like Producer A, be more like Bob, who always scans EMPTY before!*
So the issue here is that producers just assume that IN is the first available slot. But it its not necessarily the case.
#### The Readers/Writers problem #### The Readers/Writers problem
- Several processes want to access a file - Several processes want to access a file
- Readers may simultaneously access the file - Readers may simultaneously access the file