vault backup: 2025-03-10 08:49:43
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parent
4979a0eed2
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2 changed files with 23 additions and 45 deletions
52
.obsidian/workspace.json
vendored
52
.obsidian/workspace.json
vendored
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@ -4,25 +4,11 @@
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"type": "split",
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"children": [
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"title": "2b - Round Robin algorithm"
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@ -35,29 +21,6 @@
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"title": "class 3"
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@ -115,8 +78,7 @@
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}
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],
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@ -231,13 +193,13 @@
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"companion:Toggle completion": false
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"Concurrent Systems/slides/class 3.pdf",
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"Concurrent Systems/notes/3.md",
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"Concurrent Systems/notes/2b - Round Robin algorithm.md",
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"Concurrent Systems/notes/1 - CS Basics.md",
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"Concurrent Systems/notes/2 - Fast mutex by Lamport.md",
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"Concurrent Systems/notes/1 - CS Basics.md",
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"Concurrent Systems/notes/2b - Round Robin algorithm.md",
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"Concurrent Systems/notes/3.md",
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"Concurrent Systems/notes/1b - Peterson algorithm.md",
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"HCIW/slides/Interface and Interaction for IoT.pdf",
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"Pasted image 20250305182542.png",
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@ -91,3 +91,19 @@ X.fetch&add(v) :=
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return tmp
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```
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###### How do we use it for MUTEX?
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```
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Initialize TICKET and NEXT at 0
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lock() :=
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my_ticket <- TICKET.fetch&add(1)
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wait my_ticket = NEXT
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return
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unlock() :=
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NEXT <- NEXT + 1
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return
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```
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>[!info} It is bounded bypass with bound n-1
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