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라벨이 condition_variable인 κ²Œμ‹œλ¬Ό ν‘œμ‹œ

c++11 thread, condition_variable and async κ°œλ…μ •λ¦¬

μΉ΄ν…Œκ³ λ¦¬ C/C++ κΈ€λͺ¨μŒ κ°œμš” c++11 의 thread, condition_variable(μ΄ν•˜ cv), async 뭐 이런 것듀 κ³΅λΆ€ν•˜λ‹€κ°€ 머릿속이 κΌ¬μ˜€μŠ΅λ‹ˆλ‹€. cv와 asyncλ₯Ό λΉ„κ΅ν•˜κ³  μžˆλ”λΌκ΅¬μš”. κ·Έλž˜μ„œ κ°œλ…μ„ λͺ…ν™•ν•˜κ²Œ ν•˜κ³  ν—·κ°ˆλ¦¬λŠ” 뢀뢄을 μ •λ¦¬ν•΄λ΄€μŠ΅λ‹ˆλ‹€. condition_variable λ¨Όμ € condition_variable(μ΄ν•˜ cv) 에 λŒ€ν•΄μ„œ λͺ…ν™•ν•˜κ²Œ 의미λ₯Ό μ •μ˜ν•˜κ³  λ„˜μ–΄κ°€μ•Όκ² λ„€μš”. The condition_variable class is a synchronization primitive that can be used to block a thread, or multiple threads at the same time, until another thread both modifies a shared variable (the condition), and notifies the condition_variable. 좜처 :  cppreference.com std::condition_variable cvλŠ” λ™κΈ°ν™”μ˜ κΈ°λ³Έ μš”μ†Œμ΄λ‹€. μ‰½κ²Œ λ§ν•΄μ„œ λ§˜λŒ€λ‘œ λŒκ³ μžˆλŠ” λ‘˜ μ΄μƒμ˜ μ“°λ ˆλ“œμ— λŒ€ν•΄ μ„œλ‘œ 동기화 μ‹œμΌœμ€„ 수 μžˆλŠ” λ°©λ²•μ΄λΌλŠ”κ±°μ£ . async와 비ꡐ해야할 λŒ€μƒμ΄ μ•„λ‹ˆμ—ˆμŠ΅λ‹ˆλ‹€. async The function template async runs the function f asynchronously 좜처 : cppreference.com std::condition_variable   function fλ₯Ό λΉ„λ™κΈ°μ μœΌλ‘œ μ‹€ν–‰μ‹œμΌœμ£ΌλŠ” ν•¨μˆ˜ ν…œν”Œλ¦Ώμ΄λ‹€. asyncλ₯Ό 톡해 taskλ₯Ό μƒμ„±ν•˜μ—¬ λΉ„λ™κΈ°μ μœΌλ‘œ multi-threading을 κ΅¬ν˜„ν•΄μ£ΌλŠ” ν•¨μˆ˜ ν…œν”Œλ¦ΏμΈκ±°μ£ . κ·ΈλŸ¬λ‹ˆκΉŒ taskν™”ν•œ thread인거죠. ν—·κ°ˆλ¦° λΆ€λΆ„ μ²«λ²ˆμ§ΈλŠ”, cvλŠ” sync(동기)둜 μ„€λͺ…ν•˜κ³  있고, asyncλŠ” async(비동기)둜 μ„€λͺ…ν•˜κ³  μžˆμ–΄μ„œ λ‘˜μ΄ λŒ€λΉ„λ˜λŠ” κΈ°λŠ₯인 것 처럼 λΉ„κ΅ν•˜κ³  μžˆμ—ˆμŠ΅λ‹ˆλ‹€. λ™κΈ°ν™”μ˜ 주체, λΉ„λ™κΈ°ν™”μ˜ 주체가 λ‹¬λΌμ„œ 비ꡐ할 λŒ€μƒμ΄ μ•„λ‹Œλ° 말이...

condition_variable ν…ŒμŠ€νŠΈ

μ„œλ‘  c++11 의 condition_variable 에 λŒ€ν•΄μ„œλŠ” 유투브 μ½”λ“œμ—†λŠ” ν”„λ‘œκ·Έλž˜λ° 의 κ°•μ˜ λ₯Ό λ³΄μ‹œλŠ” 것을 μΆ”μ²œν•©λ‹ˆλ‹€. κ°€λŠ₯ν•˜λ©΄ κ΄€λ ¨ κ°•μ˜λ₯Ό λͺ¨λ‘ λ“€μœΌμ‹œκΈ° λ°”λžλ‹ˆλ‹€. provider/consumer νŒ¨ν„΄μ„ μ‚¬μš©ν•  일이 많기 λ•Œλ¬Έμ—, condition_variable 에 λŒ€ν•΄ 보닀 ν™•μ‹€ν•˜κΈ° μœ„ν•œ ν…ŒμŠ€νŠΈ μž…λ‹ˆλ‹€. μ€€λΉ„ void wait( std::unique_lock<std::mutex>& lock, Predicate stop_waiting ); condition_variable의 λ©”μ†Œλ“œ wait() 에 νŒŒλΌλ©”ν„°λ‘œ λ“€μ–΄κ°€λŠ” stop_waiting function 쑰건에 λŒ€ν•΄μ„œ ν…ŒμŠ€νŠΈ μ½”λ“œ κ²°κ³Ό 및 뢄석 κ²°κ³Ό1 main.cpp   24 provider : notify value:1 main.cpp   37 operator() : running:1 value:1 return:0 main.cpp   24 provider : notify value:2 main.cpp   37 operator() : running:1 value:2 return:0 main.cpp   24 provider : notify value:3 main.cpp   37 operator() : running:1 value:3 return:0 main.cpp   24 provider : notify value:4 main.cpp   37 operator() : running:1 value:4 return:0 main.cpp   24 provider : notify value:5 main.cpp   37 operator() : running:1 value:5 return:0 main.cpp   24 provider : notify value:6 main.cpp   3...

이 λΈ”λ‘œκ·Έμ˜ 인기 κ²Œμ‹œλ¬Ό

ꡬ글 μ‹œνŠΈμ— μ—¬λŸ¬ ν–‰ ν•œλ²ˆμ— μΆ”κ°€ν•˜κΈ°

WSL2 Ubuntu 20.04 및 λ„€νŠΈμ›Œν¬ μ„€μ •

μš°λΆ„νˆ¬ terminator μ—μ„œ 파일 경둜 ν΄λ¦­μ‹œ vscode μ—μ„œ μ—΄κΈ°