ํ•ญ๋ชฉ ์ •์˜ ๋ฐ ํŠน์ง•
๊ณต์œ  ์ž์› (Shared Resource) ์ •์˜: ์—ฌ๋Ÿฌ ์‚ฌ์šฉ์ž๋‚˜ ํ”„๋กœ์„ธ์Šค๊ฐ€ ๋™์‹œ์— ์ ‘๊ทผํ•˜๊ฑฐ๋‚˜ ์‚ฌ์šฉํ•˜๋Š” ์‹œ์Šคํ…œ ๋‚ด์˜ ์ž์›์„ ์˜๋ฏธ

๐ŸŒŸย ๊ธฐ์กด ๋ฝ ๊ธฐ๋ฐ˜ ๋™๊ธฐํ™” ๊ธฐ๋ฒ•(Mutex, Semaphore, Read-Write Lock, Spinlock, Distributed Lock ๋“ฑ)์€ ๊ณต์œ  ์ž์›์„ ๋ณดํ˜ธํ•˜๊ธฐ ์œ„ํ•ด ๋ฝ์„ ์‚ฌ์šฉํ•˜์ง€๋งŒ, ๋ฝ์„ ์‚ฌ์šฉํ•  ๊ฒฝ์šฐ ์„ฑ๋Šฅ ์ €ํ•˜์™€ ๊ต์ฐฉ ์ƒํƒœ(Deadlock) ๊ฐ™์€ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ์–ด.

1๏ธโƒฃย ์—ฌ๋Ÿฌ ํ”„๋กœ์„ธ์Šค ๋˜๋Š” ์Šค๋ ˆ๋“œ๊ฐ€ ๊ณต์œ  ์ž์›์„ ์•ˆ์ „ํ•˜๊ฒŒ ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ๋„๋ก ๋ณด์žฅํ•˜๋Š” ๋™๊ธฐํ™” ์กฐ๊ฑด 3๊ฐ€์ง€

1. Mutual Exclusion (์ƒํ˜ธ ๋ฐฐ์ œ)

ex)

2. Progress (์ง„ํ–‰)

ex)

3. Bounded Waiting (์œ ํ•œํ•œ ๋Œ€๊ธฐ)

ex)