{"id":103664,"date":"2022-03-31T21:36:42","date_gmt":"2022-03-31T19:36:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/razvivaemyj-proektom-serenityos-web-brauzer-uspeshno-proshyol-testy-acid3"},"modified":"2022-03-31T21:36:42","modified_gmt":"2022-03-31T19:36:43","slug":"razvivaemyj-proektom-serenityos-web-brauzer-uspeshno-proshyol-testy-acid3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/razvivaemyj-proektom-serenityos-web-brauzer-uspeshno-proshyol-testy-acid3","title":{"rendered":"O navegador web desenvolvido pelo projeto SerenityOS passou com sucesso nos testes Acid3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Os desenvolvedores do sistema operacional SerenityOS informaram que o navegador web desenvolvido pelo projeto passou com sucesso nos testes Acid3, que s\u00e3o usados para verificar navegadores web quanto ao suporte a padr\u00f5es web. \u00c9 not\u00e1vel que, dentre os novos navegadores abertos criados ap\u00f3s a forma\u00e7\u00e3o do Acid3, o SerenityOS Browser se tornou o primeiro projeto a passar completamente nos testes.

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

O conjunto de testes Acid3 foi criado em 2008 por Ian Hickson, o iniciador da cria\u00e7\u00e3o da especifica\u00e7\u00e3o HTML5 e coautor das especifica\u00e7\u00f5es CSS. O Acid3 inclui 100 testes, preparados na forma de fun\u00e7\u00f5es que retornam um resultado positivo ou negativo. Os testes abrangem v\u00e1rias \u00e1reas, como ECMAScript, HTML 4.01, DOM Level 2, HTTP\/1.1, SVG, XML, entre outros. Em 2011, os testes foram atualizados, mas devido a mudan\u00e7as nas especifica\u00e7\u00f5es web modernas, os navegadores atuais Chrome e Firefox passam apenas 97 dos 100 testes do Acid3. <\/p>\n

O SerenityOS Browser \u00e9 escrito em C++ e distribu\u00eddo sob a licen\u00e7a BSD. O projeto utiliza um mecanismo de navegador pr\u00f3prio chamado LibWeb e um interpretador JavaScript chamado LibJS, ambos implementados em bibliotecas externas. H\u00e1 suporte para execu\u00e7\u00e3o de c\u00f3digo intermedi\u00e1rio WebAssembly. Para o suporte aos protocolos HTTP e HTTPS, est\u00e3o sendo desenvolvidas as bibliotecas LibHTTP e LibTLS. <\/p>\n

Lembrando que o projeto Serenity desenvolve um sistema operacional do tipo Unix para arquiteturas x86 e x86_64, equipado com seu pr\u00f3prio n\u00facleo e uma interface gr\u00e1fica inspirada nos sistemas operacionais do final dos anos 90. O desenvolvimento \u00e9 feito desde o zero, por curiosidade e n\u00e3o \u00e9 baseado em c\u00f3digo de sistemas operacionais existentes. Os autores se propuseram a levar o SerenityOS a um n\u00edvel adequado para uso cotidiano, mantendo a est\u00e9tica dos sistemas dos anos 90, mas complementando-a com ideias \u00fateis para usu\u00e1rios experientes de sistemas modernos. <\/p>\n

O n\u00facleo do SerenityOS promete suporte a recursos como multitarefa preemptiva, uso de mecanismos de prote\u00e7\u00e3o de hardware (SMEP, SMAP, UMIP, NX, WP, TSD), multithreading, pilha IPv4, sistema de arquivos baseado em Ext2, sinais POSIX, mmap(), arquivos execut\u00e1veis no formato ELF, sistema de arquivos virtual \/proc, soquetes Unix, pseudoterminais e ferramentas de profiling. <\/p>\n

O ambiente do usu\u00e1rio \u00e9 composto por gerenciadores compostos e de console (WindowServer, TTYServer), shell de linha de comando, biblioteca padr\u00e3o em C (LibC), um conjunto de utilit\u00e1rios de usu\u00e1rio t\u00edpicos e um ambiente gr\u00e1fico baseado em sua pr\u00f3pria estrutura de GUI (LibGUI, LibGfx, LibGL) e um conjunto de widgets. O conjunto de aplicativos gr\u00e1ficos inclui um cliente de email, um ambiente para design visual de interfaces chamado HackStudio, um editor de texto, um sintetizador de som, um gerenciador de arquivos, v\u00e1rios jogos, uma interface para execu\u00e7\u00e3o de programas, um editor de fontes, um gerenciador de downloads, um emulador de terminal, configuradores, um visualizador de PDF, um editor gr\u00e1fico chamado PixelPaint, um reprodutor de m\u00fasica e um editor de planilhas, al\u00e9m de um reprodutor de v\u00eddeo.

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

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