{"id":119844,"date":"2024-09-17T15:43:07","date_gmt":"2024-09-17T13:43:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/c-alliance-prodvigaet-v-c-mehanizmy-bezopasnoj-raboty-s-pamyatyu-oprobovannye-v-rust"},"modified":"2024-09-17T15:43:07","modified_gmt":"2024-09-17T13:43:07","slug":"c-alliance-prodvigaet-v-c-mehanizmy-bezopasnoj-raboty-s-pamyatyu-oprobovannye-v-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/c-alliance-prodvigaet-v-c-mehanizmy-bezopasnoj-raboty-s-pamyatyu-oprobovannye-v-rust","title":{"rendered":"A C++ Alliance promove mecanismos de seguran\u00e7a de mem\u00f3ria em C++, testados no Rust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>O presidente da C++ Alliance anunciou que est\u00e1 trabalhando em uma especifica\u00e7\u00e3o que adiciona ao C++ extens\u00f5es para o gerenciamento seguro de mem\u00f3ria, semelhantes \u00e0s capacidades implementadas na linguagem Rust. Para conduzir o projeto, Sean Baxter, autor do compilador experimental C++ Circle, foi recrutado. O Circle desenvolve ideias para aumentar a seguran\u00e7a do c\u00f3digo C++, implementadas no lado do compilador sem o uso de coleta de lixo. No \u00e2mbito do projeto, Sean divulgou um documento analisando a aplicabilidade de diversas medidas de prote\u00e7\u00e3o propostas na linguagem Rust, avaliando a possibilidade de sua implementa\u00e7\u00e3o no C++ e sugerindo a adi\u00e7\u00e3o de extens\u00f5es que aumentem a seguran\u00e7a do c\u00f3digo C++.     <\/p>\n<p>\u00c9 not\u00e1vel que a iniciativa foi lan\u00e7ada em resposta \u00e0 crescente demanda entre os desenvolvedores por m\u00e9todos de programa\u00e7\u00e3o seguros, e visa a integra\u00e7\u00e3o de novas funcionalidades na linguagem C++ que permitam proteger contra erros comuns relacionados \u00e0 mem\u00f3ria, como acessar mem\u00f3ria j\u00e1 liberada e ultrapassar os limites de buffers alocados. As adi\u00e7\u00f5es est\u00e3o se desenvolvendo como op\u00e7\u00f5es que permitir\u00e3o a transi\u00e7\u00e3o gradual de projetos para m\u00e9todos seguros, enquanto mant\u00eam a compatibilidade com o c\u00f3digo \"n\u00e3o seguro\" existente.      <\/p>\n<p>A seguran\u00e7a no gerenciamento de mem\u00f3ria ser\u00e1 garantida por meio de mecanismos implementados na fase de compila\u00e7\u00e3o, sem incorrer em custos adicionais, t\u00edpicos de linguagens que utilizam coletores de lixo. Entre os m\u00e9todos principais propostos para garantir a seguran\u00e7a, mencionam-se o rastreamento da posse de objetos, a verifica\u00e7\u00e3o de empr\u00e9stimos de vari\u00e1veis (borrow checker), a utiliza\u00e7\u00e3o de um contexto seguro (safe) e a cria\u00e7\u00e3o de interfaces std2::send e std2::sync. O trabalho tamb\u00e9m abrange a cria\u00e7\u00e3o de uma vers\u00e3o protegida da biblioteca padr\u00e3o, oferecendo implementa\u00e7\u00f5es de algoritmos e estruturas de dados que permitem gerenciar mem\u00f3ria de forma segura.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61878\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0437\u0438\u0434\u0435\u043d\u0442 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 C++ Alliance \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u0440\u0430\u0431\u043e\u0442\u0435 \u043d\u0430\u0434 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0435\u0439, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0432 \u044f\u0437\u044b\u043a C++ \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e, \u043d\u0430\u043f\u043e\u043c\u0438\u043d\u0430\u044e\u0449\u0438\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438, \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0432 \u044f\u0437\u044b\u043a\u0435 Rust. \u0414\u043b\u044f \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043f\u0440\u0438\u0432\u043b\u0435\u0447\u0451\u043d \u0428\u043e\u043d \u0411\u0430\u043a\u0441\u0442\u0435\u0440 (Sean Baxter), \u0430\u0432\u0442\u043e\u0440 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0433\u043e C++-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 Circle, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0438\u0434\u0435\u0438 \u043f\u043e \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043a\u043e\u0434\u0430 C++, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u043c\u044b\u0435 \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 \u0431\u0435\u0437 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0431\u043e\u0440\u043a\u0438 \u043c\u0443\u0441\u043e\u0440\u0430. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-119844","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0437\u0438\u0434\u0435\u043d\u0442 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 C++ Alliance \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u0440\u0430\u0431\u043e\u0442\u0435 \u043d\u0430\u0434 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0435\u0439, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0432 \u044f\u0437\u044b\u043a C++ \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f 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