๐Ÿ“š Study/์šด์˜์ฒด์ œ

Thread ์™€ MultiThread Thread ๐Ÿ’ก ํ•œ process ๋‚ด์—์„œ ์‹คํ–‰๋˜๋Š” ๋™์ž‘(๊ธฐ๋Šฅ)์˜ ๋‹จ์œ„. ๊ฐ thread๋Š” ์†ํ•ด์žˆ๋Š” process์˜ Stack๋ฉ”๋ชจ๋ฆฌ๋ฅผ ์ œ์™ธํ•œ ๋‚˜๋จธ์ง€ memory์˜์—ญ(code, data, heap)์„ ๊ณต์œ ํ•  ์ˆ˜ ์žˆ๋‹ค. Thread๊ฐ€ ๋…๋ฆฝ์ ์ธ ๊ธฐ๋Šฅ์„ ์ˆ˜ํ–‰ํ•œ๋‹ค = ๋…๋ฆฝ์ ์œผ๋กœ ํ•จ์ˆ˜๋ฅผ ํ˜ธ์ถœํ•œ๋‹ค. Multi Thread ๐Ÿ’ก ํ•˜๋‚˜์˜ process์—์„œ ์—ฌ๋Ÿฌ ์ž‘์—…์„ ๋ณ‘๋ ฌ๋กœ ์ฒ˜๋ฆฌํ•˜๋„๋ก ํ•ด์ฃผ๋Š” ๊ฒƒ ํ•œ process๋‚ด์— ์—ฌ๋Ÿฌ ๊ฐœ์˜ thread๊ฐ€ ์žˆ๊ณ , ๊ฐ thread๋“ค์€ Stack๋ฉ”๋ชจ๋ฆฌ๋ฅผ ์ œ์™ธํ•œ ๋‚˜๋จธ์ง€ ์˜์—ญ (Code, Data, Heap) ์˜์—ญ์„ ๊ณต์œ ํ•˜๊ฒŒ ๋จ. Stack memory & PC Register thread๊ฐ€ ํ•จ์ˆ˜๋ฅผ ํ˜ธ์ถœํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ์ธ์ž ์ „๋‹ฌ, Return Address ์ €..
Process Process ๐Ÿ’ก ์‹คํ–‰ ํŒŒ์ผ์ด ๋ฉ”๋ชจ๋ฆฌ์— ์ ์žฌ๋˜์–ด CPU๋ฅผ ํ• ๋‹น๋ฐ›์•„ ์‹คํ–‰๋˜๋Š” ๊ฒƒ -> Program in execution Memory ๐Ÿ’ก CPU๊ฐ€ ์ง์ ‘ ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ๋Š” ์ปดํ“จํ„ฐ์˜ ๋‚ด๋ถ€ ๊ธฐ์–ต์žฅ์น˜ Program์ด CPU์—์„œ ์‹คํ–‰๋˜๋ ค๋ฉด ํ•ด๋‹น ๋‚ด์šฉ์ด memory์— ์ ์žฌ๋˜์–ด ์žˆ์–ด์•ผ ํ•จ ๊ฐ ํ”„๋กœ์„ธ์Šค๋งˆ๋‹ค code, data, stack, heap ์˜์—ญ์„ ๋…๋ฆฝ์ ์œผ๋กœ ํ• ๋‹น ๋ฐ›์Œ ์˜์—ญ ์„ค๋ช… code ์‹คํ–‰ํ•œ ํ”„๋กœ๊ทธ๋žจ์˜ ์ฝ”๋“œ๊ฐ€ ์ €์žฅ๋˜๋Š” ๋ฉ”๋ชจ๋ฆฌ ์˜์—ญ data ํ”„๋กœ๊ทธ๋žจ์˜ ์ „์—ญ๋ณ€์ˆ˜์™€ static ๋ณ€์ˆ˜๊ฐ€ ์ €์žฅ๋˜๋Š” ๋ฉ”๋ชจ๋ฆฌ ์˜์—ญ heap ํ”„๋กœ๊ทธ๋ž˜๋จธ๊ฐ€ ์ง์ ‘ ๊ณต๊ฐ„์„ ํ• ๋‹น/ํ•ด์ œ ํ•˜๋Š” ์˜์—ญ stack ํ•จ์ˆ˜ ํ˜ธ์ถœ ์‹œ, ์ƒ์„ฑ๋˜๋Š” ์ง€์—ญ๋ณ€์ˆ˜์™€ ๋งค๊ฐœ ๋ณ€์ˆ˜๊ฐ€ ์ €์žฅ๋˜๋Š” ์ž„์‹œ ๋ฉ”๋ชจ๋ฆฌ ์˜์—ญ PC(Program Counter) Register ๐Ÿ’ก ..
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