{"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\/ro\/blog\/news\/google-portiruet-chrome-dlya-os-fuchsia","title":{"rendered":"Google porteaz\u0103 Chrome pentru OS Fuchsia","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Compania Google lucreaz\u0103 pentru a oferi versiuni complete ale browserului Chrome pentru OS Fuchsia. \u00cen Fuchsia este deja disponibil un motor de browser bazat pe codul surs\u0103 Chromium, folosit pentru a rula aplica\u021bii web izolate, dar browserul ca un produs complet pentru Fuchsia a fost indisponibil, iar platforma s-a dezvoltat \u00een principal pentru IoT \u0219i dispozitive de consum, cum ar fi Nest Hub. Situa\u021bia s-a schimbat recent \u0219i au \u00eenceput s\u0103 se dezvolte capacit\u0103\u021bile Fuchsia, viz\u00e2nd utilizarea ca platform\u0103 desktop. <\/p>\n

Printre acestea se dezvolt\u0103 un set de modific\u0103ri care permit livrarea unei versiuni complete a Chrome \u00een Fuchsia. Se preconizeaz\u0103 c\u0103 versiunea ini\u021bial\u0103 a Chrome pentru Fuchsia va fi preg\u0103tit\u0103 pentru lansare la Chrome 94, programat\u0103 pentru 21 septembrie. Procesul de portare se desf\u0103\u0219oar\u0103 treptat \u2014 la \u00eenceput se asigur\u0103 posibilitatea construirii unei versiuni reduse, \u00een care unele func\u021bii sunt \u00eenlocuite cu module de substitu\u021bie, care, pe m\u0103sur\u0103 ce portarea progreseaz\u0103, sunt \u00eenlocuite cu implement\u0103ri func\u021bionale ale codului, \u021bin\u00e2nd cont de specificitatea Fuchsia. De exemplu, se realizeaz\u0103 adaptarea pentru Fuchsia a zonei de sistem, a desc\u0103rc\u0103rii fi\u0219ierelor, a func\u021biei Click To Call, a modului de lucru cu suporturi externe, a sincroniz\u0103rii, a directorilor utilizatorilor, a aplica\u021biilor PWA, a afi\u0219\u0103rii informa\u021biilor despre memorie \u0219i \u00eenc\u0103rcarea CPU \u0219i a importului set\u0103rilor din alte browser-e. <\/p>\n

Amintim c\u0103 OS Fuchsia este dezvoltat de Google din 2016 av\u00e2nd \u00een vedere deficien\u021bele de scalabilitate \u0219i securitate existente \u00een platforma Android. Sistemul se bazeaz\u0103 pe micro-nucleul Zircon, derivat din realiz\u0103rile proiectului LK, extins pentru a fi utilizat pe diverse clase de dispozitive, inclusiv smartphone-uri \u0219i computere personale. Zircon extinde LK cu suport pentru procese \u0219i biblioteci partajate, nivelul utilizatorului, sistemul de gestionare a obiectelor \u0219i un model de securitate bazat pe capabilit\u0103\u021bi. Driverele sunt implementate sub form\u0103 de biblioteci dinamice care ruleaz\u0103 \u00een spa\u021biul utilizatorului, \u00eenc\u0103rcate de procesul devhost \u0219i gestionate de managerul de dispozitive (devmg, Device Manager). <\/p>\n

Pentru Fuchsia, o interfa\u021b\u0103 grafic\u0103 proprie, scris\u0103 \u00een Dart folosind cadrul Flutter, a fost preg\u0103tit\u0103. Proiectul dezvolt\u0103 de asemenea cadrul pentru construirea interfe\u021belor utilizatorului Peridot, managerul de pachete Fargo, biblioteca standard libc, sistemul de redare Escher, driverul Vulkan Magma, managerul de compunere Scenic, sistemele de fi\u0219iere MinFS, MemFS, ThinFS (FAT \u00een Go) \u0219i Blobfs, precum \u0219i managerul de parti\u021bii FVM. Pentru dezvoltarea aplica\u021biilor, suport pentru limbajele C\/C++, Dart este oferit, iar \u00een componentele de sistem se poate utiliza \u0219i Rust, \u00een stiva de re\u021bea Go \u0219i \u00een sistemul de constru\u021bie limbajul Python. <\/p>\n

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

\u00cen procesul de \u00eenc\u0103rcare, se utilizeaz\u0103 un manager de sistem care include appmgr pentru a crea un mediu ini\u021bial de programare, sysmgr pentru a forma un mediu de \u00eenc\u0103rcare \u0219i basemgr pentru configurarea unui mediu utilizator \u0219i organizarea autentific\u0103rii. Pentru a asigura securitatea, se propune un sistem avansat de izolare sandbox, \u00een care noile procese nu au acces la obiectele nucleului, nu pot aloca memorie \u0219i nu pot rula cod, iar accesul la resurse se realizeaz\u0103 printr-un sistem de namespace-uri, definind permisiunile disponibile. Platforma ofer\u0103 un cadru pentru crearea de componente care reprezint\u0103 programe ce ruleaz\u0103 \u00een sandbox-ul propriu, care pot interac\u021biona cu alte componente prin IPC.
\n
Sursa: opennet.ro<\/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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