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Marco Realacci 2025-03-12 11:59:27 +01:00
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8
Concurrent Systems/notes/4 - Semaphores.md
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@ -153,6 +153,14 @@ B.consume() :=
FREE.up() FREE.up()
return tmp return tmp
``` ```
okay, so the difference seems to be just the fact that there are no while loops to find the first free location, or the first location with data.
Let's imagine to have quick producers and a slow consumer:
producer A:
- writes at BUF[0], so IN becomes 1
consumer A:
- reads
#### The Readers/Writers problem #### The Readers/Writers problem
- Several processes want to access a file - Several processes want to access a file