{"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\/hu\/blog\/news\/google-portiruet-chrome-dlya-os-fuchsia","title":{"rendered":"A Google Chrome port Fuchsia OS-hoz","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google v\u00e1llalat dolgozik a Chrome b\u00f6ng\u00e9sz\u0151 teljes verzi\u00f3inak biztos\u00edt\u00e1s\u00e1n a Fuchsia oper\u00e1ci\u00f3s rendszerhez. A Fuchsi\u00e1ban m\u00e1r el\u00e9rhet\u0151 egy Chromium alap\u00fa b\u00f6ng\u00e9sz\u0151motor, amely elk\u00fcl\u00f6n\u00edtett webalkalmaz\u00e1sok futtat\u00e1s\u00e1ra szolg\u00e1l, de \u00f6n\u00e1ll\u00f3, teljes \u00e9rt\u00e9k\u0171 b\u00f6ng\u00e9sz\u0151k\u00e9nt a Fuchsia sz\u00e1m\u00e1ra eddig nem volt el\u00e9rhet\u0151, \u00e9s maga a platform els\u0151sorban az IoT \u00e9s a fogyaszt\u00f3i eszk\u00f6z\u00f6k, p\u00e9ld\u00e1ul a Nest Hub sz\u00e1m\u00e1ra fejl\u0151d\u00f6tt. Az ut\u00f3bbi id\u0151ben a helyzet megv\u00e1ltozott, \u00e9s megkezd\u0151d\u00f6tt a Fuchsia funkci\u00f3inak fejleszt\u00e9se, amelyek c\u00e9lja, hogy asztali platformk\u00e9nt is haszn\u00e1lhat\u00f3 legyen. <\/p>\n

Ezen k\u00edv\u00fcl egy olyan v\u00e1ltoztat\u00e1sokb\u00f3l \u00e1ll\u00f3 csomag is fejl\u0151dik, amely lehet\u0151v\u00e9 teszi a teljes Chrome sz\u00e1ll\u00edt\u00e1s\u00e1t a Fuchsia rendszerhez. A Chrome kezd\u0151verzi\u00f3j\u00e1t a Fuchsia sz\u00e1m\u00e1ra a tervek szerint a 94-es Chrome kiad\u00e1sra k\u00e9sz\u00edtik el, ami szeptember 21-re van kit\u0171zve. A port\u00e1l\u00e1s folyamata fokozatosan zajlik \u2014 el\u0151sz\u00f6r egy cs\u00f6kkentett verzi\u00f3 \u00f6ssze\u00e1ll\u00edt\u00e1s\u00e1ra van lehet\u0151s\u00e9g, amelyben egyes funkci\u00f3kat helyettes\u00edt\u0151k v\u00e1ltanak fel, amelyek a port\u00e1l\u00e1s sor\u00e1n fokozatosan cser\u00e9l\u0151dnek le a Fuchsia saj\u00e1toss\u00e1gait figyelembe vev\u0151 m\u0171k\u00f6d\u0151 k\u00f3dmegold\u00e1sokra. P\u00e9ld\u00e1ul a Fuchsia rendszer sz\u00e1m\u00e1ra folyamatban van a rendszer t\u00e1lca, f\u00e1jlok bet\u00f6lt\u00e9se, a Click To Call funkci\u00f3, a lev\u00e1laszthat\u00f3 t\u00e1rol\u00f3kkal val\u00f3 munka, szinkroniz\u00e1l\u00e1s, felhaszn\u00e1l\u00f3i mapp\u00e1k, PWA-alkalmaz\u00e1sok, mem\u00f3ria- \u00e9s CPU-terhel\u00e9s inform\u00e1ci\u00f3k ki\u00edr\u00e1sa, valamint a be\u00e1ll\u00edt\u00e1sok import\u00e1l\u00e1sa m\u00e1s b\u00f6ng\u00e9sz\u0151kb\u0151l val\u00f3 alkalmaz\u00e1s\u00e1nak adapt\u00e1l\u00e1sa. <\/p>\n

Eml\u00e9keztet\u00fcnk arra, hogy a Fuchsia oper\u00e1ci\u00f3s rendszert a Google 2016 \u00f3ta fejleszti, figyelembe v\u00e9ve az Android platform alapvet\u0151 probl\u00e9m\u00e1it a sk\u00e1l\u00e1zhat\u00f3s\u00e1g \u00e9s a biztons\u00e1g ter\u00e9n. A rendszer a Zircon mikrokernelre \u00e9p\u00fcl, amely az LK projekt fejleszt\u00e9seire alapozva k\u00e9sz\u00fclt k\u00fcl\u00f6nb\u00f6z\u0151 eszk\u00f6zoszt\u00e1lyok, bele\u00e9rtve az okostelefonokat \u00e9s a szem\u00e9lyi sz\u00e1m\u00edt\u00f3g\u00e9peket. A Zircon az LK-t a folyamatok \u00e9s megosztott k\u00f6nyvt\u00e1rak t\u00e1mogat\u00e1s\u00e1val, felhaszn\u00e1l\u00f3i szinttel, objektumkezel\u0151 rendszerrel \u00e9s capability-alap\u00fa biztons\u00e1gi modellel b\u0151v\u00edti. A meghajt\u00f3k olyan dinamikus k\u00f6nyvt\u00e1rak form\u00e1j\u00e1ban val\u00f3sulnak meg, amelyek felhaszn\u00e1l\u00f3i t\u00e9rben futnak, \u00e9s amelyeket a devhost folyamat t\u00f6lt be \u00e9s az eszk\u00f6zkezel\u0151 (devmg, Device Manager) ir\u00e1ny\u00edt. <\/p>\n

A Fuchsia saj\u00e1t grafikus fel\u00fcletet k\u00e9sz\u00edtett Dart nyelven, a Flutter keretrendszer haszn\u00e1lat\u00e1val. A projekt r\u00e9szek\u00e9nt fejlesztik a Peridot felhaszn\u00e1l\u00f3i fel\u00fclet \u00e9p\u00edt\u0151 keretrendszert, a Fargo csomagkezel\u0151t, a libc standard k\u00f6nyvt\u00e1rat, az Escher renderel\u0151 rendszert, a Magma Vulkan-illeszt\u0151programot, a Scenic \u00f6ssze\u00e1ll\u00edt\u00f3 menedzsert, a MinFS, MemFS, ThinFS (Go nyelven \u00edrt FAT) \u00e9s Blobfs f\u00e1jlrendszereket, valamint az FVM part\u00edci\u00f3kezel\u0151t. Az alkalmaz\u00e1sfejleszt\u00e9shez t\u00e1mogatott nyelvek k\u00f6z\u00e9 tartozik a C\/C++, Dart, a rendszerszint\u0171 komponensekben pedig Rust, a h\u00e1l\u00f3zati veremben Go, a build rendszerben pedig Python haszn\u00e1lata is megengedett. <\/p>\n

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

A bet\u00f6lt\u00e9s sor\u00e1n egy rendszermenedszer m\u0171k\u00f6dik, amely tartalmazza az appmgr-t az alap programk\u00f6rnyezet l\u00e9trehoz\u00e1s\u00e1hoz, a sysmgr-t a bet\u00f6lt\u00e9si k\u00f6rnyezet kialak\u00edt\u00e1s\u00e1hoz \u00e9s a basemgr-t a felhaszn\u00e1l\u00f3i k\u00f6rnyezet be\u00e1ll\u00edt\u00e1s\u00e1hoz \u00e9s a rendszerbe val\u00f3 bel\u00e9p\u00e9s szervez\u00e9s\u00e9hez. A biztons\u00e1g \u00e9rdek\u00e9ben egy fejlett sandbox-izol\u00e1ci\u00f3s rendszert k\u00edn\u00e1l, amelyben az \u00faj folyamatok nem f\u00e9rnek hozz\u00e1 a kernel objektumaihoz, nem tudnak mem\u00f3ri\u00e1t allok\u00e1lni \u00e9s nem tudnak k\u00f3dot futtatni; az er\u0151forr\u00e1sokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9st egy n\u00e9vt\u00e9r rendszer hat\u00e1rozza meg, amely meghat\u00e1rozza a rendelkez\u00e9sre \u00e1ll\u00f3 jogosults\u00e1gokat. A platform keretrendszert biztos\u00edt a sandboxban fut\u00f3 programokat k\u00e9pvisel\u0151 komponensek l\u00e9trehoz\u00e1s\u00e1hoz, amelyek m\u00e1s komponensekkel IPC-n kereszt\u00fcl l\u00e9phetnek interakci\u00f3ba.
\n
Forr\u00e1s: 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 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