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Wiki Article · Cinematic

Deadlock

Deadlock ek aisi situation hai jahan do ya zyada processes (ya threads) ek dusre ka wait kar rahe…

Overview
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Deadlock — Quick Facts

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Property: Detail

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Name: Deadlock

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Category: Concurrency, Operating Systems,…

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Also Known As: Deadly embrace, Circular blocking

Topic 1
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Infobox

📚 | Property | Detail | |---|---| | Name | Deadlock | | Category | Concurrency, Operating…
Topic 2
📥 ⚙️ 🔬 💡

Kya Hai Deadlock

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North se gaadi aayi — East ki…

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East se gaadi aayi — South ki…

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South se gaadi aayi — West ki…

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West se gaadi aayi — North ki…

Topic 3
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Coffman's 4 Necessary Conditions

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Mutual Exclusion todho: Resource…

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Hold and Wait todho: Process ko…

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No Preemption todho: Resource…

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Circular Wait todho: Resources ko…

Topic 4
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Mermaid Diagram — Circular Wait

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Process A holds Resource 1, waits…

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Process B holds Resource 2, waits…

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Process C holds Resource 3, waits…

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Circular chain: A → B → C → A —…

Topic 5
📥 📥 🧠 🔬 💡 🎯

Deadlock in Different Contexts

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Processes system resources maangte…

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Agar do processes opposing…

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OS kernel ko deadlock detect ya…

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Row-level locks: Transaction T1 ne…

Topic 6
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Deadlock Handling Strategies

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Dijkstra ne propose kiya —…

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Agar safe → grant. Agar unsafe →…

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Practical limitation: advance me…

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Not confirmed: kya modern OS me…

Topic 7
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Real-Life Analogies

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Person A ke paas conference room…

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Person B ke paas projector hai,…

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Dono ek dusre ka wait kar rahe…

Topic 8
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Dining Philosophers Problem

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Resource ordering: Sab…

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Arbitrator: Ek central waiter…

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Chandy/Misra solution: Forks…

Topic 9
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Deadlock vs Livelock vs Starvation

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Deadlock: Sab frozen — koi kuch…

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Livelock: Sab busy hain — lekin…

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Starvation: Ek specific entity ko…

Topic 10
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Common Mistakes

💡 | Mistake | Problem | Solution | |---|---|---| | Inconsistent lock ordering | Thread 1:…
Topic 11
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Best Practices

🎯 1. Consistent lock ordering. Har jagah resources same sequence me acquire karo. Agar Lock…
Comparison
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Deadlock vs Livelock vs Starvation

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Deadlock: Processes permanently blocked…

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Livelock: Processes active hain…

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Starvation: Ek process ko resource…

Diagram
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Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

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Concurrency

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Mutex

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Semaphore

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Race condition

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Thread

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Process

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

Deadlock ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

Deadlock ka 'Name' kya hai?

Complete! 🎉
COMPLETE

Deadlock Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

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Deadlock Complete

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