{"id":99807,"date":"2021-04-15T10:22:39","date_gmt":"2021-04-15T08:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/podderzhka-rust-dlya-yadra-linux-stolknulas-s-kritikoj-torvaldsa"},"modified":"2021-04-15T10:22:39","modified_gmt":"2021-04-15T08:22:39","slug":"podderzhka-rust-dlya-yadra-linux-stolknulas-s-kritikoj-torvaldsa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/podderzhka-rust-dlya-yadra-linux-stolknulas-s-kritikoj-torvaldsa","title":{"rendered":"A Rust t\u00e1mogat\u00e1sa a Linux kernel sz\u00e1m\u00e1ra kritik\u00e1ba \u00fctk\u00f6z\u00f6tt Torvaldst\u00f3l","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Linus Torvalds fel\u00fclvizsg\u00e1lta a Rust nyelv haszn\u00e1lat\u00e1val k\u00e9sz\u00fclt kernel meghajt\u00f3kkal kapcsolatos jav\u00edt\u00e1sokat, \u00e9s kritik\u00e1t fogalmazott meg.    <\/p>\n<p>A legnagyobb agg\u00e1lyokat a panic() potenci\u00e1lis lehet\u0151s\u00e9ge v\u00e1ltotta ki hib\u00e1s helyzetekben, p\u00e9ld\u00e1ul mem\u00f3riahi\u00e1ny eset\u00e9n, amikor a dinamikus mem\u00f3riakezel\u00e9si m\u0171veletek, bele\u00e9rtve a kernelben l\u00e9v\u0151ket is, hib\u00e1ba futhatnak. Torvalds kijelentette, hogy egy ilyen megk\u00f6zel\u00edt\u00e9s a kernelben alapvet\u0151en elfogadhatatlan, \u00e9s ha valaki nem \u00e9rti ezt, teljes m\u00e9rt\u00e9kben el fogja utas\u00edtani (totally NAKed) b\u00e1rmilyen k\u00f3dot, amely megpr\u00f3b\u00e1lja alkalmazni ezt a megk\u00f6zel\u00edt\u00e9st. M\u00e1sr\u00e9szt a jav\u00edt\u00e1sokkal foglalkoz\u00f3 fejleszt\u0151 egyet\u00e9rtett ezzel a probl\u00e9m\u00e1val, \u00e9s \u00fagy gondolja, hogy megoldhat\u00f3.    <\/p>\n<p>Egy \u00fajabb probl\u00e9ma a lebeg\u0151pontos sz\u00e1m\u00edt\u00e1sok vagy a 128 bites t\u00edpusok haszn\u00e1lat\u00e1ra ir\u00e1nyul\u00f3 k\u00eds\u00e9rletek voltak, amelyek nem megengedettek olyan k\u00f6rnyezetekben, mint a Linux kernel. Ez komolyabb probl\u00e9m\u00e1nak bizonyult, mivel a Rust alapk\u00f6nyvt\u00e1ra jelenleg oszthatatlan, \u00e9s egy nagy blobk\u00e9nt jelenik meg - nincs lehet\u0151s\u00e9g csup\u00e1n n\u00e9h\u00e1ny funkci\u00f3 lek\u00e9r\u00e9s\u00e9re, ami megakad\u00e1lyozn\u00e1 a probl\u00e9m\u00e1s funkci\u00f3k haszn\u00e1lat\u00e1t. A probl\u00e9ma megold\u00e1sa a rust ford\u00edt\u00f3 \u00e9s a k\u00f6nyvt\u00e1r m\u00f3dos\u00edt\u00e1s\u00e1t ig\u00e9nyelheti, mik\u00f6zben a csapatnak m\u00e9g nincs strat\u00e9gi\u00e1ja arra vonatkoz\u00f3an, hogyan val\u00f3s\u00edtsa meg a nyelv k\u00f6nyvt\u00e1rainak modularit\u00e1s\u00e1t.    <\/p>\n<p>Tov\u00e1bb\u00e1 Torvalds megjegyezte, hogy a bemutatott p\u00e9lda illeszt\u0151program - haszontalan, \u00e9s azt javasolta, hogy p\u00e9ldak\u00e9nt egy olyan illeszt\u0151programot kellene beny\u00fajtani, amely egy val\u00f3s probl\u00e9m\u00e1t old meg.        <\/p>\n<p>Kieg\u00e9sz\u00edt\u00e9s: A Google bejelentette r\u00e9szv\u00e9tel\u00e9t a Rust t\u00e1mogat\u00e1s\u00e1nak el\u0151mozd\u00edt\u00e1s\u00e1ra ir\u00e1nyul\u00f3 kezdem\u00e9nyez\u00e9sben a Linux kernelben, \u00e9s technikai szempontokat hozott fel a Rust bevezet\u00e9s\u00e9nek \u00e9sszer\u0171s\u00e9g\u00e9r\u0151l, hogy megoldja a mem\u00f3riahib\u00e1kb\u00f3l ad\u00f3d\u00f3 probl\u00e9m\u00e1kat. A Google \u00fagy v\u00e9li, hogy a Rust m\u00e1r k\u00e9szen \u00e1ll arra, hogy a C-vel egy\u00fctt a Linux kernel komponenseinek fejleszt\u00e9s\u00e9hez haszn\u00e1lt nyelv legyen. A cikk eml\u00edti a Rust nyelv kernelmeghajt\u00f3k fejleszt\u00e9s\u00e9ben val\u00f3 alkalmaz\u00e1s\u00e1nak p\u00e9ld\u00e1it is, k\u00fcl\u00f6n\u00f6s figyelmet szentelve azok Android platformon val\u00f3 haszn\u00e1lat\u00e1ra (a Rust hivatalosan t\u00e1mogatott nyelv az Android fejleszt\u00e9s\u00e9hez).     <\/p>\n<p>Jelent\u0151s el\u0151rel\u00e9p\u00e9s, hogy a Google elk\u00e9sz\u00edtette az els\u0151 protot\u00edpus\u00e1t egy Rust nyelven \u00edrt meghajt\u00f3nak a Binder k\u00f6ztesfolyamat- kommunik\u00e1ci\u00f3s mechanizmushoz, amely lehet\u0151v\u00e9 teszi a Binder C \u00e9s Rust nyelv\u0171 megval\u00f3s\u00edt\u00e1sainak teljes\u00edtm\u00e9ny\u00e9nek \u00e9s biztons\u00e1g\u00e1nak r\u00e9szletes \u00f6sszehasonl\u00edt\u00e1s\u00e1t. Jelenlegi \u00e1llapot\u00e1ban a munka m\u00e9g nem fejez\u0151d\u00f6tt be, de m\u00e1r szinte minden alapvet\u0151 kernelfunkci\u00f3hoz sz\u00fcks\u00e9ges absztrakci\u00f3hoz k\u00e9sz\u00fcltek r\u00e9tegek, amelyek lehet\u0151v\u00e9 teszik ezen absztrakci\u00f3k haszn\u00e1lat\u00e1t Rust k\u00f3don.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54970\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u043f\u0440\u043e\u0432\u0451\u043b \u0440\u0435\u0446\u0435\u043d\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0430\u0442\u0447\u0435\u0439 c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u0438 \u0432\u044b\u0441\u043a\u0430\u0437\u0430\u043b \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0437\u0430\u043c\u0435\u0447\u0430\u043d\u0438\u044f. \u041d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0438\u0435 \u043f\u0440\u0435\u0442\u0435\u043d\u0437\u0438\u0438 \u0432\u044b\u0437\u0432\u0430\u043b\u0430 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u0445\u043e\u0434\u0430 \u0432 panic() \u0432 \u043e\u0448\u0438\u0431\u043e\u0447\u043d\u044b\u0445 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f\u0445, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438 \u043d\u0435\u0445\u0432\u0430\u0442\u043a\u0438 \u043f\u0430\u043c\u044f\u0442\u0438, \u043a\u043e\u0433\u0434\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0438 \u0432\u043d\u0443\u0442\u0440\u0438 \u044f\u0434\u0440\u0430, \u043c\u043e\u0433\u0443\u0442 \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u0442\u044c\u0441\u044f \u043e\u0448\u0438\u0431\u043a\u043e\u0439. \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u0437\u0430\u044f\u0432\u0438\u043b, \u0447\u0442\u043e \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-99807","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u043f\u0440\u043e\u0432\u0451\u043b \u0440\u0435\u0446\u0435\u043d\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0430\u0442\u0447\u0435\u0439 c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432 \u043d\u0430 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