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

vault backup: 2025-03-25 08:33:01

Browse source
This commit is contained in:
Marco Realacci 2025-03-25 08:33:01 +01:00
parent 1fe3d87c62
commit 80e759a50c
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Concurrent Systems/notes/8 - Enhancing Liveness Properties.md
View file

@ -6,4 +6,6 @@ Can we take the most basic protocol that satisfies the most basic liveness prope
**Enriched implementation:** when a process realizes that there is contention, it invokes need_help; when it completes its current operation, it invokes stop_help. **Enriched implementation:** when a process realizes that there is contention, it invokes need_help; when it completes its current operation, it invokes stop_help.
Why is it different from lock/unlock? Because this allows failures, and they can also happen in the contention-free period. **Why is it different from lock/unlock?** Because this allows failures, and they can also happen in the contention-free period.
PROBLEM: to distinguish a failure from a long delay, we need objects called ***failure detectors***, that provide processes information on the failed processes of the system. According to the type/quality of the info, several F.