{"id":100941,"date":"2021-08-08T10:22:55","date_gmt":"2021-08-08T08:22:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-portiruet-chrome-dlya-os-fuchsia"},"modified":"2021-08-08T10:22:55","modified_gmt":"2021-08-08T08:22:56","slug":"google-portiruet-chrome-dlya-os-fuchsia","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/google-portiruet-chrome-dlya-os-fuchsia","title":{"rendered":"Google portuje Chrome pre OS Fuchsia.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spolo\u010dnos\u0165 Google pracuje na poskytovan\u00ed kompletn\u00fdch zost\u00e1v prehliada\u010da Chrome pre opera\u010dn\u00fd syst\u00e9m Fuchsia. Fuchsia u\u017e poskytuje prehliada\u010dov\u00fd motor zalo\u017een\u00fd na k\u00f3dovej b\u00e1ze Chromium na sp\u00fa\u0161\u0165anie samostatn\u00fdch webov\u00fdch aplik\u00e1ci\u00ed, av\u0161ak prehliada\u010d ako samostatn\u00fd plnohodnotn\u00fd produkt pre Fuchsia doteraz nebol k dispoz\u00edcii, pri\u010dom samotn\u00e1 platforma sa predov\u0161etk\u00fdm rozv\u00edjala pre IoT a spotrebite\u013esk\u00e9 zariadenia, ako je Nest Hub. V poslednom \u010dase sa situ\u00e1cia zmenila a za\u010dalo sa rozv\u00edja\u0165 vyu\u017eitie Fuchsia ako desktopovej platformy. <\/p>\n

Vyv\u00edja sa aj s\u00fabor zmien, ktor\u00e9 umo\u017enia dodanie plnohodnotn\u00e9ho Chrome do Fuchsia. Po\u010diato\u010dn\u00fa verziu Chrome pre Fuchsia pl\u00e1nuj\u00fa pripravi\u0165 na uvedenie s Chrome 94, ktor\u00e9 je napl\u00e1novan\u00e9 na 21. septembra. Pr\u00e1ca na portovan\u00ed prebieha postupne \u2014 najprv sa zabezpe\u010duje mo\u017enos\u0165 zostavenia obmedzenej verzie, v ktorej s\u00fa niektor\u00e9 funkcie nahraden\u00e9 z\u00e1platy, ktor\u00e9 bud\u00fa nahraden\u00e9 funk\u010dn\u00fdmi implement\u00e1ciami k\u00f3du prisp\u00f4soben\u00fdmi \u0161pecifik\u00e1m Fuchsia. Napr\u00edklad prebieha adapt\u00e1cia syst\u00e9movej li\u0161ty, s\u0165ahovania s\u00faborov, funkcie Click To Call, pr\u00e1ce s extern\u00fdmi m\u00e9diami, synchroniz\u00e1cie, pou\u017e\u00edvate\u013esk\u00fdch adres\u00e1rov, aplik\u00e1ci\u00ed PWA, v\u00fdstupu inform\u00e1ci\u00ed o pam\u00e4ti a za\u0165a\u017een\u00ed CPU a importu nastaven\u00ed z in\u00fdch prehliada\u010dov. <\/p>\n

Pripome\u0148me, \u017ee opera\u010dn\u00fd syst\u00e9m Fuchsia sa vyv\u00edja spolo\u010dnos\u0165ou Google od roku 2016 zoh\u013ead\u0148uj\u00fac nedostatky v oblasti \u0161k\u00e1lovate\u013enosti a zabezpe\u010denia, ktor\u00e9 s\u00fa pr\u00edtomn\u00e9 na platforme Android. Syst\u00e9m je zalo\u017een\u00fd na mikrojadre Zircon, ktor\u00e9 vych\u00e1dza z pr\u00e1c projektu LK, roz\u0161\u00edren\u00e9ho na pou\u017eitie na r\u00f4znych typoch zariaden\u00ed, vr\u00e1tane smartf\u00f3nov a osobn\u00fdch po\u010d\u00edta\u010dov. Zircon roz\u0161iruje LK o podporu procesov a zdie\u013ean\u00fdch kni\u017en\u00edc, \u00farove\u0148 pou\u017e\u00edvate\u013ea, syst\u00e9m spracovania objektov a model zabezpe\u010denia zalo\u017een\u00fd na capability. Ovl\u00e1da\u010de sa realizuj\u00fa vo forme dynamick\u00fdch kni\u017en\u00edc pracuj\u00facich v priestore pou\u017e\u00edvate\u013ea, ktor\u00e9 sa na\u010d\u00edtavaj\u00fa procesom devhost a spravuj\u00fa spr\u00e1vcovia zariaden\u00ed (devmg, Device Manager). <\/p>\n

Pre Fuchsia bol pripraven\u00fd vlastn\u00fd grafick\u00fd rozhranie, nap\u00edsan\u00e9 v jazyku Dart s vyu\u017eit\u00edm r\u00e1mca Flutter. Projekt tie\u017e vyv\u00edja r\u00e1mec na tvorbu pou\u017e\u00edvate\u013esk\u00fdch rozhran\u00ed Peridot, bal\u00ed\u010dkov\u00fd mana\u017e\u00e9r Fargo, \u0161tandardn\u00fa kni\u017enicu libc, syst\u00e9m renderovania Escher, Vulkan ovl\u00e1da\u010d Magma, kompozitn\u00fd mana\u017e\u00e9r Scenic, s\u00faborov\u00e9 syst\u00e9my MinFS, MemFS, ThinFS (FAT v jazyku Go) a Blobfs, ako aj mana\u017e\u00e9r oddielov FVM. Pre v\u00fdvoj aplik\u00e1ci\u00ed je podporovan\u00e1 podpora jazykov C\/C++, Dart, v syst\u00e9mov\u00fdch komponentoch je tie\u017e povolen\u00e9 pou\u017e\u00edvanie Rustu, v sie\u0165ovej stohovej \u010dasti Go a v syst\u00e9me zostavenia jazyka Python. <\/p>\n

\"Google<\/center> <\/p>\n

Po\u010das sp\u00fa\u0161\u0165ania sa pou\u017e\u00edva syst\u00e9mov\u00fd mana\u017e\u00e9r, ktor\u00fd zah\u0155\u0148a appmgr na vytvorenie po\u010diato\u010dn\u00e9ho programov\u00e9ho prostredia, sysmgr na formovanie zav\u00e1dzacieho prostredia a basemgr na nastavenie pou\u017e\u00edvate\u013esk\u00e9ho prostredia a organiz\u00e1ciu prihl\u00e1senia do syst\u00e9mu. Na zabezpe\u010denie bezpe\u010dnosti je navrhnut\u00fd pokro\u010dil\u00fd syst\u00e9m sandboxovej izol\u00e1cie, v ktorom nov\u00e9 procesy nemaj\u00fa pr\u00edstup k objektom jadra, nem\u00f4\u017eu prideli\u0165 pam\u00e4\u0165 a nem\u00f4\u017eu sp\u00fa\u0161\u0165a\u0165 k\u00f3d, a na pr\u00edstup k zdrojom sa pou\u017e\u00edva syst\u00e9m namespaces, ktor\u00fd ur\u010duje dostupn\u00e9 opr\u00e1vnenia. Platforma poskytuje r\u00e1mec na vytv\u00e1ranie komponentov, ktor\u00e9 predstavuj\u00fa programy be\u017eiace vo vlastnom sandboku, ktor\u00e9 m\u00f4\u017eu interagova\u0165 s in\u00fdmi komponentmi cez IPC.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0432\u0435\u0434\u0451\u0442 \u0440\u0430\u0431\u043e\u0442\u0443 \u043f\u043e \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044e \u043f\u043e\u043b\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043e\u043a \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 Chrome \u0434\u043b\u044f \u041e\u0421 Fuchsia. \u0412 Fuchsia \u0443\u0436\u0435 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u043d\u044b\u0439 \u0434\u0432\u0438\u0436\u043e\u043a \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u044b Chromium \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u044b\u0439 web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043d\u043e \u0431\u0440\u0430\u0443\u0437\u0435\u0440 \u043a\u0430\u043a \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u044b\u0439 \u043f\u0440\u043e\u0434\u0443\u043a\u0442 \u0434\u043b\u044f Fuchsia \u0431\u044b\u043b \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d, \u0430 \u0441\u0430\u043c\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0432 \u043f\u0435\u0440\u0432\u0443\u044e \u043e\u0447\u0435\u0440\u0435\u0434\u044c \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u043b\u0430\u0441\u044c \u0434\u043b\u044f IoT \u0438 \u043f\u043e\u0442\u0440\u0435\u0431\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a Nest Hub. \u041f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0435 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