{"id":103565,"date":"2022-03-18T21:36:53","date_gmt":"2022-03-18T19:36:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/novaya-versiya-patchej-dlya-yadra-linux-s-podderzhkoj-yazyka-rust"},"modified":"2022-03-18T21:36:53","modified_gmt":"2022-03-18T19:36:53","slug":"novaya-versiya-patchej-dlya-yadra-linux-s-podderzhkoj-yazyka-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/novaya-versiya-patchej-dlya-yadra-linux-s-podderzhkoj-yazyka-rust","title":{"rendered":"Noua versiune a patch-urilor pentru kernelul Linux cu suport pentru limbajul Rust.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Miguel Ojeda, autorul proiectului Rust-for-Linux, a propus dezvoltatorilor nucleului Linux lansarea versiunii v5 a componentelor pentru dezvoltarea driverelor de dispozitive \u00een limbajul Rust. Aceasta este a \u0219asea edi\u021bie a patch-urilor, av\u00e2nd \u00een vedere prima variant\u0103 publicat\u0103 f\u0103r\u0103 num\u0103r de versiune. Suportul pentru Rust este considerat experimental, dar deja inclus \u00een ramura linux-next \u0219i suficient de dezvoltat pentru a \u00eencepe lucrul la crearea unor straturi de abstractizare peste subsistemele nucleului, precum \u0219i pentru scrierea driverelor \u0219i modulelor. Dezvoltarea este finan\u021bat\u0103 de Google \u0219i organiza\u021bia ISRG (Internet Security Research Group), care este fondatoarea proiectului Let\u2019s Encrypt \u0219i contribuie la promovarea HTTPS \u0219i dezvoltarea tehnologiilor pentru cre\u0219terea securit\u0103\u021bii internetului.            <\/p>\n<p>Reamintim c\u0103 schimb\u0103rile propuse permit utilizarea Rust ca a doua limb\u0103 pentru dezvoltarea driverelor \u0219i modulelor nucleului. Suportul pentru Rust este prezentat ca o op\u021biune, care nu este activat\u0103 \u00een mod implicit \u0219i nu duce la includerea Rust \u00eentre dependen\u021bele obligatorii pentru compilarea nucleului. Utilizarea Rust pentru dezvoltarea driverelor va permite, cu eforturi minime, crearea de drivere sigure \u0219i de calitate superioar\u0103, lipsite de probleme precum accesarea memoriei dup\u0103 eliberare, dereferen\u021bierea pointerilor nuli \u0219i dep\u0103\u0219irea limitelor buffer-ului.    <\/p>\n<p>Func\u021bionarea sigur\u0103 a memoriei este asigurat\u0103 \u00een Rust \u00een timpul compil\u0103rii prin verificarea referin\u021belor, urm\u0103rirea de\u021binerii obiectelor \u0219i gestionarea duratei de via\u021b\u0103 a obiectelor (zona de vizibilitate), precum \u0219i prin evaluarea corectitudinii accesului la memorie \u00een timpul execu\u021biei codului. Rust ofer\u0103, de asemenea, instrumente pentru protec\u021bia \u00eempotriva dep\u0103\u0219irilor de numere \u00eentregi, necesit\u0103 ini\u021bializarea obligatorie a valorilor variabilelor \u00eenainte de utilizare, gestioneaz\u0103 mai bine erorile \u00een biblioteca standard, aplic\u0103 conceptul de referin\u021be \u0219i variabile imutabile (immutable) \u00een mod implicit \u0219i ofer\u0103 o tipizare static\u0103 puternic\u0103 pentru a minimiza erorile logice.    <\/p>\n<p>\u00cen noua variant\u0103 a patch-urilor este continuat\u0103 eliminarea observa\u021biilor exprimate \u00een procesul de discu\u021bie a primei, celei de-a doua, celei de-a treia, celei de-a patra \u0219i celei de-a cincea edi\u021bii a patch-urilor. \u00cen noua versiune:  <\/p>\n<ul>\n<li class=\"l\"> Instrumentarul a fost actualizat la lansarea Rust 1.59.0. Cu noua versiune a Rust a fost sincronizat\u0103 \u0219i varianta bibliotecii alloc, care elimin\u0103 posibilele genera\u021bii de stare \u201epanic\u201d \u00een cazul erorilor, cum ar fi lipsa de memorie. A fost stabilizat\u0103 posibilitatea utiliz\u0103rii inser\u021biilor \u00een asamblare (\u201efeature(global_asm)\u201d).\n<li class=\"l\"> A fost ad\u0103ugat suport pentru crearea de programe gazd\u0103 \u00een limbajul Rust, utilizate \u00een procesul de compilare a nucleului.\n<li class=\"l\"> \u00cen locul furniz\u0103rii de fi\u0219iere precreate cu specifica\u021bia platformelor \u021bint\u0103, a fost asigurat\u0103 generarea dinamic\u0103 a acestora, pe baza configura\u021biei nucleului.\n<li class=\"l\"> A fost ad\u0103ugat parametrul nucleului HAVE_RUST, activat pentru arhitecturi pe care se suport\u0103 Rust.\n<li class=\"l\"> Au fost propuse abstrac\u021bii pentru utilizarea \u00een codul \u00een limbajul Rust al generatoarelor hardware de numere pseudo-random.\n<li class=\"l\"> Este permis\u0103 utilizarea codurilor de eroare f\u0103r\u0103 prefixul \u201eError::\u201d (de exemplu, \u201ereturn Err(EINVAL)\u201d ) pentru a se apropia de gestionarea codurilor de eroare \u00een C.\n<li class=\"l\"> A fost ad\u0103ugat tipul \u201eCString\u201d pentru \u0219iruri C proprii. Tipurile Formatter \u0219i Buffer au fost unite.\n<li class=\"l\"> Au fost ad\u0103ugate tipajele Bool \u0219i LockInfo.\n<li class=\"l\"> Implementarea bloc\u0103rilor spin a fost simplificat\u0103.        <\/ul>\n<\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56877\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041c\u0438\u0433\u0435\u043b\u044c \u041e\u0445\u0435\u0434\u0430 (Miguel Ojeda), \u0430\u0432\u0442\u043e\u0440 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Rust-for-Linux, \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u0434\u043b\u044f \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 \u044f\u0434\u0440\u0430 Linux \u0432\u044b\u043f\u0443\u0441\u043a v5 \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. \u042d\u0442\u043e \u0448\u0435\u0441\u0442\u0430\u044f \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u044f \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0443\u0447\u0451\u0442\u043e\u043c \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0431\u0435\u0437 \u043d\u043e\u043c\u0435\u0440\u0430 \u0432\u0435\u0440\u0441\u0438\u0438. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 Rust \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u0430\u044f, \u043d\u043e \u0443\u0436\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u0432 \u0432\u0435\u0442\u043a\u0443 linux-next \u0438 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0442\u0430 \u0434\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u0430 \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044e \u0441\u043b\u043e\u0451\u0432 [&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-103565","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com 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