vault backup: 2025-03-21 18:50:08

.obsidian/workspace.json

@@ -21,6 +21,22 @@
               "title": "4b - Monitors"
             }
           },
+          {
+            "id": "cb0eda06ef87cab2",
+            "type": "leaf",
+            "state": {
+              "type": "pdf",
+              "state": {
+                "file": "Concurrent Systems/slides/class 4.pdf",
+                "page": 14,
+                "left": -227,
+                "top": 577,
+                "zoom": 0.9
+              },
+              "icon": "lucide-file-text",
+              "title": "class 4"
+            }
+          },
           {
             "id": "16a4a3f7d00f9524",
             "type": "leaf",
@@ -225,8 +241,9 @@
   },
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   "lastOpenFiles": [
-    "Concurrent Systems/notes/4 - Semaphores.md",
+    "Concurrent Systems/slides/class 4.pdf",
     "Concurrent Systems/notes/4b - Monitors.md",
+    "Concurrent Systems/notes/4 - Semaphores.md",
     "Concurrent Systems/notes/5 - Software Transactional Memory.md",
     "Concurrent Systems/notes/2b - Round Robin algorithm.md",
     "Concurrent Systems/notes/4c - Dining Philosophers.md",
@@ -247,7 +264,6 @@
     "Pasted image 20250318090733.png",
     "Concurrent Systems/slides/class 5.pdf",
     "Concurrent Systems/notes/images/Pasted image 20250317105355.png",
-    "Concurrent Systems/slides/class 4.pdf",
     "Concurrent Systems/notes/images/Pasted image 20250317100456.png",
     "HCIW/slides/4 HUI2016-6-forcefeedback.pdf",
     "HCIW/slides/3b Haptic slides.pdf",

Concurrent Systems/notes/4b - Monitors.md

@@ -34,7 +34,8 @@ Of course, `signal()` will have no effect on the last process who calls it.
 - For every condition C, a semaphore SEMC init at 0 and an integer $N_{C}$ init at 0 (to store and count the number of suspended processes on the given condition)
 - A semaphore PRIO init at 0 and an integer $N_{PR}$ init at 0 (to store and count the number of processes that have performed a signal, and so have priority to re-enter the monitor)
 
-Every monitor operation starts with `MUTEX.down()` and ends with `if NPR > 0 then PRIO.up() else MUTEX.up()`
+>[!note]Operations
+>Every monitor operation starts with `MUTEX.down()` and ends with `if NPR > 0 then PRIO.up() else MUTEX.up()`
 
 ```
 C.wait() :=