{"id":72185,"date":"2020-03-02T16:19:28","date_gmt":"2020-03-02T13:19:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/os-fuchsia-perehodit-na-stadiyu-testirovaniya-na-sotrudnikah-google"},"modified":"2020-03-03T16:10:19","modified_gmt":"2020-03-03T13:10:19","slug":"os-fuchsia-perehodit-na-stadiyu-testirovaniya-na-sotrudnikah-google","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/os-fuchsia-perehodit-na-stadiyu-testirovaniya-na-sotrudnikah-google","title":{"rendered":"OS Fuchsia g\u00e5r in i testfasen p\u00e5 Google-anst\u00e4llda","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Google gjorde \u00e4ndringar<\/a><\/noindex>, som visar p\u00e5 \u00f6verg\u00e5ngen av operativsystemet Fuchsia<\/a><\/noindex> till den slutliga interna testfasen «dogfooding<\/a><\/noindex>«, som inneb\u00e4r anv\u00e4ndning av produkten i de anst\u00e4lldas vardagliga aktiviteter innan den g\u00f6rs tillg\u00e4nglig f\u00f6r vanliga anv\u00e4ndare. I denna fas en grupp patent som inkluderar n\u00e5gra av de tidigaste omn\u00e4mnandena av teknologier f\u00f6r att skapa dynamiskt webbinneh\u00e5ll, som f\u00f6regick introduktionen av system som ASP fr\u00e5n Microsoft, JSP fr\u00e5n Sun\/Oracle och PHP. En annan betydande bidrag \u00e4r<\/a><\/noindex> i ett tillst\u00e5nd som redan har genomg\u00e5tt huvudsaklig testning av speciella kvalitetsbed\u00f6mningslag. Innan produkten levereras till en bredare publik genomf\u00f6rs ytterligare slutlig kontroll bland sina anst\u00e4llda som inte \u00e4r involverade i utvecklingen.<\/p>\n

I klienten f\u00f6r systemet f\u00f6r uppdateringshantering Omaha<\/a><\/noindex>, d\u00e4r versioner av Chrome och Chrome OS testas, tillagd<\/a><\/noindex> komponenten fuchsia.cobalt.SystemDataUpdater och en instruktion har f\u00f6reslagits f\u00f6r att \u00f6verf\u00f6ra enheter till den nya grenen «dogfood-release» med hj\u00e4lp av verktyget fx<\/a><\/noindex> (motsvarar adb f\u00f6r Fuchsia). I det kontinuerliga integrationssystemet har lagts till<\/a><\/noindex> byggs en bootloader f\u00f6r dogfood-grenen, och i Fuchsia-plattformen Rust-bindningar f\u00f6r<\/a><\/noindex> specifika m\u00e4tv\u00e4rden f\u00f6r att bed\u00f6ma testresultaten.<\/p>\n

I kommentarerna till \u00e4ndringarna i Fuchsia Bland n\u00e4rst\u00e5ende utvecklingar relaterade till projektet Bergamot<\/a><\/noindex> finns det tv\u00e5 l\u00e4nkar f\u00f6r att leverera uppdateringar fuchsia-updates.googleusercontent.com och arm64.dogfood-release.astro.fuchsia.com, d\u00e4r den andra l\u00e4nken, Astro, \u00e4r kodnamnet f\u00f6r den smarta sk\u00e4rmen Google Nest Hub<\/a><\/noindex>, som tydligen anv\u00e4nds av Google-anst\u00e4llda som en prototyp f\u00f6r testning
\nFuchsia ist\u00e4llet f\u00f6r den vanliga Cast Platform-mjukvaran. Gr\u00e4nssnittet f\u00f6r Nest Hub bygger p\u00e5 appen Dragonglass som anv\u00e4nder ramverket Flutter, som ocks\u00e5 st\u00f6ds i Fuchsia.<\/p>\n

Vi p\u00e5minner om att inom ramen f\u00f6r Fuchsia-projektet utvecklar Google ett universellt operativsystem som kan fungera p\u00e5 alla typer av enheter, fr\u00e5n arbetsstationer och smartphones till inb\u00e4ddad och konsumentteknik. Utvecklingen tar h\u00e4nsyn till erfarenheterna fr\u00e5n skapandet av Android-plattformen och hanterar bristerna inom omr\u00e5dena skalbarhet och s\u00e4kerhet. <\/p>\n

Systemet baseras p\u00e5 mikro-k\u00e4rnan Zircon<\/a><\/noindex>, baserat p\u00e5 arbete fr\u00e5n projektet LK<\/a><\/noindex>, ut\u00f6kat f\u00f6r anv\u00e4ndning p\u00e5 olika klasser av enheter, inklusive smartphones och persondatorer. Zircon ut\u00f6kar LK med st\u00f6d f\u00f6r processer och delade bibliotek<\/a><\/noindex>, anv\u00e4ndar-niv\u00e5, objektbehandlingssystem och s\u00e4kerhetsmodell baserad p\u00e5 capability. Drivrutiner implementeras<\/a><\/noindex> i form av dynamiska bibliotek som arbetar i anv\u00e4ndarutrymmet, laddade av devhost-processen och hanteras av enhetsf\u00f6rvaltaren (devmg, Device Manager).<\/p>\n

F\u00f6r Fuchsia f\u00f6rberedd<\/a><\/noindex> egen grafiskt gr\u00e4nssnitt<\/a><\/noindex>, skrivet i Dart-spr\u00e5ket med hj\u00e4lp av ramverket Flutter. Projektet utvecklar ocks\u00e5 ramverket f\u00f6r att bygga anv\u00e4ndargr\u00e4nssnitt Peridot, paketf\u00f6rvaltaren Fargo, standardbiblioteket libc<\/a><\/noindex>, renderingssystemet Escher<\/a><\/noindex>, Vulkan-drivrutinen Magma<\/a><\/noindex>, komposit\u00f6rshanteraren Scenic<\/a><\/noindex>, filsystemen MinFS, MemFS, ThinFS (FAT p\u00e5 Go-spr\u00e5ket) och Blobfs, samt partitionshanteraren FVM. F\u00f6r applikationsutveckling erbjuds<\/a><\/noindex> st\u00f6d f\u00f6r spr\u00e5ken C\/C++, Dart, i systemkomponenter till\u00e5ts \u00e4ven anv\u00e4ndning av Rust, i n\u00e4tverksstacken Go, och i byggsystemet Python.<\/p>\n

\"OS<\/a><\/noindex><\/center><\/p>\n

Under uppstart funktionen unix_crypt, som tar emot det l\u00f6senord som anv\u00e4ndaren anger utan att utf\u00f6ra escape av specialtecken. I git-repositoriet<\/a><\/noindex> systemhanteraren, som inkluderar
\nappmgr f\u00f6r att skapa den inledande programmilj\u00f6n, sysmgr f\u00f6r att bilda startmilj\u00f6n och basemgr f\u00f6r att konfigurera anv\u00e4ndarmilj\u00f6n och organisera inloggning. F\u00f6r kompatibilitet med Linux i Fuchsia f\u00f6resl\u00e5s<\/a><\/noindex> biblioteket Machina, som m\u00f6jligg\u00f6r k\u00f6rning av Linux-program i en speciell isolerad virtuell maskin, skapad med hj\u00e4lp av en hypervisor baserad p\u00e5 Zircon-k\u00e4rnan och Virtio-specifikationer, p\u00e5 liknande s\u00e4tt som \u00e4r organiserad<\/a><\/noindex> k\u00f6rning av Linux-applikationer i Chrome OS. <\/p>\n

F\u00f6r att s\u00e4kerst\u00e4lla s\u00e4kerhet erbjuds ett avancerat system av sandbox-isolering<\/a><\/noindex>, d\u00e4r nya processer inte har \u00e5tkomst till k\u00e4rnobjekt, inte kan allokera minne och inte kan k\u00f6ra kod, och f\u00f6r \u00e5tkomst till resurser till\u00e4mpas ett system av namnrymder<\/a><\/noindex>, som definierar tillg\u00e4ngliga beh\u00f6righeter. Plattformen skydd mot DDoS-attacker<\/a><\/noindex> ramverket f\u00f6r att skapa komponenter, som \u00e4r program som k\u00f6rs i sin egen sandbox, som kan interagera med andra komponenter via IPC.<\/p>\n

<\/a><\/noindex><\/p>\n

K\u00e4lla: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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