๐Ÿงƒ DLL

    ๐Ÿ™ƒ  { explain about Dynamic-link library with 200 words. )


    A Dynamic-Link Library(DLL) is a file containing code and data that multiple programs can use simultaneously. It is a core concept in modern software development, particularly in the Windows operating system environment. DLLs provide a way to share functionality across multiple applications, reducing duplication and optimizing memory usage.

    DLL์€ ์—ฌ๋Ÿฌ ํ”„๋กœ๊ทธ๋žจ์—์„œ ๋™์‹œ์— ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ์ฝ”๋“œ์™€ ๋ฐ์ดํ„ฐ๊ฐ€ ํฌํ•จ๋œ ํŒŒ์ผ์ด๋‹ค. ํŠนํžˆ Windows ์šด์˜ ์ฒด์ œ ํ™˜๊ฒฝ์—์„œ ์ตœ์‹  ์†Œํ”„ํŠธ์›จ์–ด ๊ฐœ๋ฐœ์˜ ํ•ต์‹ฌ ๊ฐœ๋…์ด๋‹ค. DLL์€ ์—ฌ๋Ÿฌ ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์—์„œ ๊ธฐ๋Šฅ์„ ๊ณต์œ ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์ œ๊ณตํ•˜์—ฌ ์ค‘๋ณต์„ ์ค„์ด๊ณ  ๋ฉ”๋ชจ๋ฆฌ ์‚ฌ์šฉ์„ ์ตœ์ ํ™”ํ•œ๋‹ค.

     

    simultaneously: ๋™์‹œ์—

    particularly: ํŠนํžˆ

    functionality: ๊ธฐ๋Šฅ

    duplication: ์ค‘๋ณต, ๋ณต์‚ฌ


    When a program is executed, it may require certain functions or resources from external libraries to perform specific tasks. Instead of incorporating all the required code directly into the program's executable file, which would increase its size and memory footprint, DLLs are used to store this code separately. As a result, multiple programs can share the same DLL, reducing memory consumption and improving efficiency.

    ํ”„๋กœ๊ทธ๋žจ์ด ์‹คํ–‰๋  ๋•Œ ํŠน์ • ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•˜๊ธฐ ์œ„ํ•ด ์™ธ๋ถ€ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ์˜ ํŠน์ • ๊ธฐ๋Šฅ์ด๋‚˜ ๋ฆฌ์†Œ์Šค๊ฐ€ ํ•„์š”ํ•  ์ˆ˜ ์žˆ๋‹ค. ํ•„์š”ํ•œ ๋ชจ๋“  ์ฝ”๋“œ๋ฅผ ํ”„๋กœ๊ทธ๋žจ์˜ ์‹คํ–‰ ํŒŒ์ผ์— ์ง์ ‘ ํ†ตํ•ฉํ•˜์—ฌ ํฌ๊ธฐ์™€ ๋ฉ”๋ชจ๋ฆฌ ๊ณต๊ฐ„์„ ๋Š˜๋ฆฌ๋Š” ๋Œ€์‹  DLL์„ ์‚ฌ์šฉํ•˜์—ฌ ์ด ์ฝ”๋“œ๋ฅผ ๋ณ„๋„๋กœ ์ €์žฅํ•œ๋‹ค. ๊ฒฐ๊ณผ์ ์œผ๋กœ ์—ฌ๋Ÿฌ ํ”„๋กœ๊ทธ๋žจ์ด ๋™์ผํ•œ DLL์„ ๊ณต์œ ํ•  ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ ๋ฉ”๋ชจ๋ฆฌ ์†Œ๋น„๊ฐ€ ์ค„์–ด๋“ค๊ณ  ํšจ์œจ์„ฑ์ด ํ–ฅ์ƒ๋œ๋‹ค.

     

    certain: ํ™•์‹คํ•œ, ์ผ๋ถ€

    external: ์™ธ๋ถ€์˜  (↔internal: ๋‚ด๋ถ€์˜)

    specific: ํŠน์ •ํ•œ, ๊ตฌ์ฒด์ ์ธ

    incorporate: ํฌํ•จํ•˜๋‹ค

    footprint: ์ฐจ์ง€ํ•˜๋Š” ๊ณต๊ฐ„

    store: ์ €์žฅํ•˜๋‹ค

    separately: ๊ฐ๊ธฐ, ๋ณ„๋„๋กœ

    consumption: ์†Œ๋น„๋Ÿ‰, ์†Œ๋น„


    DLLs offer several advantages, including modularity, extensibility, and ease of maintenance. If updates or improvements are made to a DLL, all programs that rely on it can benefit without requiring individual updates to each application. This promotes code reusability, making development and maintenance more manageable.

    DLL์€ ๋ชจ๋“ˆ์„ฑ, ํ™•์žฅ์„ฑ ๋ฐ ์œ ์ง€ ๊ด€๋ฆฌ ์šฉ์ด์„ฑ์„ ๋น„๋กฏํ•œ ์—ฌ๋Ÿฌ ์ด์ ์„ ์ œ๊ณตํ•œ๋‹ค. DLL์ด ์—…๋ฐ์ดํŠธ๋˜๊ฑฐ๋‚˜ ๊ฐœ์„ ๋˜๋ฉด ์ด๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋ชจ๋“  ํ”„๋กœ๊ทธ๋žจ์€ ๊ฐ ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์„ ๊ฐœ๋ณ„์ ์œผ๋กœ ์—…๋ฐ์ดํŠธํ•˜์ง€ ์•Š๊ณ ๋„ ์ด์ ์„ ์–ป์„ ์ˆ˜ ์žˆ๋‹ค. ์ด๋Š” ์ฝ”๋“œ ์žฌ์‚ฌ์šฉ์„ฑ์„ ์ด‰์ง„ํ•˜์—ฌ ๊ฐœ๋ฐœ ๋ฐ ์œ ์ง€ ๊ด€๋ฆฌ๋ฅผ ๋ณด๋‹ค ์‰ฝ๊ฒŒ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•œ๋‹ค.

     

    modularity: ๋ชจ๋“ˆ์„ฑ

    extensibility: ํ™•์žฅ์„ฑ

    ease: ์šฉ์ดํ•จ, ํŽธ์˜์„ฑ

    maintenance: ์œ ์ง€

    improvement: ๊ฐœ์„ , ํ–ฅ์ƒ

    rely on: ~์— ์˜์กดํ•˜๋‹ค, ~์„ ํ•„์š”๋กœ ํ•˜๋‹ค

    individual: ๊ฐ๊ฐ์˜

    promote: ์ด‰์ง„ํ•˜๋‹ค


    However, DLLs also have some considerations. Since multiple programs may use the same DLL, changes to the DLL must be carefully managed to ensure backward compatibility and avoid breaking existing applications. Additionally, if a DLL becomes corrupted or unavailable, it can lead to application errors or failures.

    ๊ทธ๋Ÿฌ๋‚˜ DLL์—๋Š” ๋ช‡ ๊ฐ€์ง€ ๊ณ ๋ ค ์‚ฌํ•ญ์ด ์žˆ๋‹ค. ์—ฌ๋Ÿฌ ํ”„๋กœ๊ทธ๋žจ์ด ๋™์ผํ•œ DLL์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ ์ด์ „ ๋ฒ„์ „๊ณผ์˜ ํ˜ธํ™˜์„ฑ์„ ๋ณด์žฅํ•˜๊ณ  ๊ธฐ์กด ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์ด ์†์ƒ๋˜์ง€ ์•Š๋„๋ก DLL์— ๋Œ€ํ•œ ๋ณ€๊ฒฝ ์‚ฌํ•ญ์„ ์‹ ์ค‘ํ•˜๊ฒŒ ๊ด€๋ฆฌํ•ด์•ผ ํ•œ๋‹ค. ๋˜ํ•œ DLL์ด ์†์ƒ๋˜๊ฑฐ๋‚˜ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†๊ฒŒ ๋˜๋ฉด ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ ์˜ค๋ฅ˜ ๋˜๋Š” ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋‹ค.

     

    consideration: ๊ณ ๋ ค ์‚ฌํ•ญ

    compatibility: ํ˜ธํ™˜์„ฑ

    avoid: ๋ฐฉ์ง€ํ•˜๋‹ค

    corrupted: ์†์ƒ๋œ

    unavailable: ์‚ฌ์šฉํ•  ์ˆ˜ ์—†๋Š”

    lead to: ~๋กœ ์ด์–ด์ง€๋‹ค


    Overall, DLLs are a critical component of modern software development, facilitating code sharing, modularization, and efficient memory usage, which contribute to smoother and more robust software applications.

    ์ „๋ฐ˜์ ์œผ๋กœ  DLL์€ ์ตœ์‹  ์†Œํ”„ํŠธ์›จ์–ด ๊ฐœ๋ฐœ์˜ ์ค‘์š”ํ•œ ๊ตฌ์„ฑ ์š”์†Œ๋กœ, ์ฝ”๋“œ ๊ณต์œ , ๋ชจ๋“ˆํ™” ๋ฐ ํšจ์œจ์ ์œผ๋กœ ๋ฉ”๋ชจ๋ฆฌ  ์‚ฌ์šฉ์„ ์ด‰์ง„ํ•˜์—ฌ ๋” ์›ํ™œํ•˜๊ณ  ๊ฐ•๋ ฅํ•œ ์†Œํ”„ํŠธ์›จ์–ด ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์— ๊ธฐ์—ฌํ•œ๋‹ค.

     

    facilitate: ๊ฐ€๋Šฅํ•˜๊ฒŒ[์šฉ์ดํ•˜๊ฒŒ] ํ•˜๋‹ค

    contribute: ๊ธฐ์—ฌํ•˜๋‹ค

    '๊ณต๋ถ€' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

    ๐Ÿงƒ lambda in C++  (0) 2023.08.01
    ๐Ÿงƒ Network in Unreal Engine  (0) 2023.07.31
    ๐Ÿงƒ FString, FName, FText in Unreal Engine  (0) 2023.07.29
    ๐Ÿงƒ Rendering Pipeline in Unreal Engine  (0) 2023.07.26
    ๐Ÿงƒ Unreal Engine  (0) 2023.07.25

    ๋Œ“๊ธ€