{"id":104468,"date":"2022-06-22T09:36:50","date_gmt":"2022-06-22T07:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/linus-torvalds-ne-isklyuchil-vozmozhnost-integraczii-podderzhki-rust-v-yadro-linux-5-20"},"modified":"2022-06-22T09:36:50","modified_gmt":"2022-06-22T07:36:50","slug":"linus-torvalds-ne-isklyuchil-vozmozhnost-integraczii-podderzhki-rust-v-yadro-linux-5-20","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/linus-torvalds-ne-isklyuchil-vozmozhnost-integraczii-podderzhki-rust-v-yadro-linux-5-20","title":{"rendered":"Linus Torvalds nevylou\u010dil mo\u017enost integrace podpory Rust do j\u00e1dra Linux 5.20","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Na prob\u00edhaj\u00edc\u00ed konferenci Open-Source Summit 2022 v sekci ot\u00e1zek a odpov\u011bd\u00ed Linus Torvalds zm\u00ednil mo\u017enost brzk\u00e9 integrace komponent\u016f pro v\u00fdvoj ovlada\u010d\u016f za\u0159\u00edzen\u00ed v jazyce Rust do j\u00e1dra Linux. Nen\u00ed vylou\u010deno, \u017ee opravy s podporou Rust budou p\u0159ijaty v nejbli\u017e\u0161\u00edm okn\u011b pro p\u0159ijet\u00ed zm\u011bn, kter\u00e9 formuje j\u00e1dro 5.20, napl\u00e1novan\u00e9 na konec z\u00e1\u0159\u00ed. <\/p>\n

\u017d\u00e1dost o zahrnut\u00ed zm\u011bn do j\u00e1dra je\u0161t\u011b nebyla odesl\u00e1na Torvaldsovi, ale sada patch\u016f pro\u0161la dodate\u010dn\u00fdm p\u0159ezkumem, zbavila se hlavn\u00edch p\u0159ipom\u00ednek, u\u017e del\u0161\u00ed dobu se testuje v odv\u011btvi linux-next a je p\u0159ivedena do stavu, vhodn\u00e9ho pro vytv\u00e1\u0159en\u00ed vrstev abstrakce nad subsyst\u00e9my j\u00e1dra, psan\u00ed ovlada\u010d\u016f a modul\u016f. Podpora Rust je p\u0159edstavov\u00e1na jako mo\u017enost, kter\u00e1 nen\u00ed ve v\u00fdchoz\u00edm nastaven\u00ed aktivn\u00ed a nevedouc\u00ed k za\u0159azen\u00ed Rust mezi povinn\u00e9 z\u00e1vislosti p\u0159i sestavov\u00e1n\u00ed j\u00e1dra. <\/p>\n

Navrhovan\u00e9 zm\u011bny umo\u017e\u0148uj\u00ed pou\u017eit\u00ed Rust jako druh\u00e9ho jazyka pro v\u00fdvoj ovlada\u010d\u016f a modul\u016f j\u00e1dra. Pou\u017eit\u00ed Rustu pro v\u00fdvoj ovlada\u010d\u016f umo\u017en\u00ed s minim\u00e1ln\u00edm \u00fasil\u00edm vytv\u00e1\u0159et bezpe\u010dn\u00e9 a kvalitn\u011bj\u0161\u00ed ovlada\u010de, zbaven\u00e9 takov\u00fdch probl\u00e9m\u016f, jako je p\u0159\u00edstup do pam\u011bti po jej\u00edm uvoln\u011bn\u00ed, dereference nulov\u00fdch ukazatel\u016f a p\u0159ete\u010den\u00ed bufferu. <\/p>\n

Bezpe\u010dn\u00e1 pr\u00e1ce s pam\u011bt\u00ed je zaji\u0161t\u011bna v Rustu b\u011bhem kompilace prost\u0159ednictv\u00edm kontroly odkaz\u016f, sledov\u00e1n\u00ed vlastnictv\u00ed objekt\u016f a zohledn\u011bn\u00ed doby \u017eivota objekt\u016f (oblast\u00ed viditelnosti), stejn\u011b jako hodnocen\u00edm spr\u00e1vnosti p\u0159\u00edstupu k pam\u011bti b\u011bhem vykon\u00e1v\u00e1n\u00ed k\u00f3du. Rust tak\u00e9 poskytuje prost\u0159edky k ochran\u011b p\u0159ed p\u0159ete\u010den\u00edm celo\u010d\u00edseln\u00fdch hodnot, vy\u017eaduje povinnou inicializaci hodnot prom\u011bnn\u00fdch p\u0159ed pou\u017eit\u00edm, l\u00e9pe zpracov\u00e1v\u00e1 chyby ve standardn\u00ed knihovn\u011b, aplikuje koncept nem\u011bnnosti (immutable) odkaz\u016f a prom\u011bnn\u00fdch ve v\u00fdchoz\u00edm nastaven\u00ed, a nab\u00edz\u00ed silnou statickou typizaci pro minimalizaci logick\u00fdch chyb.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0430 \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0432 \u044d\u0442\u0438 \u0434\u043d\u0438 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 Open-Source Summit 2022 \u0432 \u0441\u0435\u043a\u0446\u0438\u0438 \u043e\u0442\u0432\u0435\u0442\u043e\u0432 \u043d\u0430 \u0432\u043e\u043f\u0440\u043e\u0441\u044b \u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u0443\u043f\u043e\u043c\u044f\u043d\u0443\u043b \u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0441\u043a\u043e\u0440\u043e\u0439 \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u0438 \u0432 \u044f\u0434\u0440\u043e Linux \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u041d\u0435 \u0438\u0441\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043f\u0430\u0442\u0447\u0438 \u0441 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 Rust \u0431\u0443\u0434\u0443\u0442 \u043f\u0440\u0438\u043d\u044f\u0442\u044b \u0432 \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0435\u043c \u043e\u043a\u043d\u0435 \u043f\u0440\u0438\u0451\u043c\u0430 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 5.20, \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u043a\u043e\u043d\u0435\u0446 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f. \u0417\u0430\u043f\u0440\u043e\u0441 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