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Marco Realacci 2025-04-06 17:54:00 +02:00
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Concurrent Systems/notes/4 - Semaphores.md
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@ -300,3 +300,4 @@ def end_write() :=
return
```
This is prioritizing writers as if there are writers waiting, they will be waiting at `GLOB_MUTEX.down()`. This semaphore is upped before `PRIO_MUTEX` which is the one that blocks readers.
It is weak as a writer cannot block readers twice.