{"id":72824,"date":"2020-03-04T14:42:25","date_gmt":"2020-03-04T11:42:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-operaczionnoj-sistemy-dragonfly-bsd-5-8"},"modified":"2020-03-04T14:42:25","modified_gmt":"2020-03-04T11:42:25","slug":"reliz-operaczionnoj-sistemy-dragonfly-bsd-5-8","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/reliz-operaczionnoj-sistemy-dragonfly-bsd-5-8","title":{"rendered":"Izlaz operativnog sustava DragonFly BSD 5.8","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"http:\/\/lists.dragonflybsd.org\/pipermail\/users\/2020-March\/358432.html\">Dostupno<\/a><\/noindex>  izdanje <noindex><a rel=\"nofollow\" href=\"https:\/\/www.dragonflybsd.org\/\">DragonFlyBSD 5.8<\/a><\/noindex>, operativnog sustava s hibridnom jezgrom, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=2717\">stvorenog<\/a><\/noindex> 2003. godine s ciljem alternativnog razvoja grane FreeBSD 4.x. Me\u0111u karakteristikama DragonFly BSD isti\u010de se distribuirani verzijski datote\u010dni sustav <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.opennet.ru\/HAMMER\">HAMMER<\/a><\/noindex>, podr\u0161ku za u\u010ditavanje \u00abvirtualnih\u00bb jezgri sustava kao korisni\u010dkih procesa, mogu\u0107nost ke\u0161iranja podataka i metapodataka na SSD ure\u0111ajima, uzimaju\u0107i u obzir kontekst varijantne simboli\u010dke veze, mogu\u0107nost zamrzavanja procesa uz o\u010duvanje njihova stanja na disku, hibridnu jezgru koja koristi lagane niti (LWKT). <\/p>\n<p>Glavne <noindex><a rel=\"nofollow\" href=\"http:\/\/www.dragonflybsd.org\/release58\/\">pobolj\u0161anja<\/a><\/noindex>, dodani u DragonFlyBSD 5.8: <\/p>\n<ul>\n<li class=\"l\"> U glavni sastav uklju\u010dena je alatka <noindex><a rel=\"nofollow\" href=\"https:\/\/www.dragonflybsd.org\/cgi\/web-man?command=dsynth\u00a7ion=1\">dsynth<\/a><\/noindex>, namijenjena za lokalnu izgradnju i odr\u017eavanje vlastitih binarnih repozitorija DPort. Podr\u017eava paralelizaciju izgradnje proizvoljnog broja portova, uzimaju\u0107i u obzir stablo zavisnosti. Prilikom pripreme novog izdanja u DPort tako\u0111er je uvedena velika koli\u010dina promjena, usmjerenih na ubrzanje izgradnje nekoliko zavisnih paketa.\n<li class=\"l\"> U libc je implementiran efikasan mehanizam maskiranja signala, koji je omogu\u0107io za\u0161titu malloc*() i sli\u010dnih funkcija od problema uzrokovanih prekidima signalima. Za kratkotrajnu blokadu i deblokadu signala predlo\u017eene su funkcije sigblockall() i sigunblockall(), koje rade bez izvr\u0161avanja sistemskih poziva. Osim toga, u libc je funkcija strtok() prilago\u0111ena za kori\u0161tenje u vi\u0161eprogramskim aplikacijama, dodane su konstante TABDLY, TAB0, TAB3 i funkcija __errno_location za pobolj\u0161anu podr\u0161ku dports.\n<li class=\"l\"> Komponente su\u010delja DRM (Direct Rendering Manager) uskla\u0111ene su s jezgrom Linux 4.9, uz portiranje iz jezgre 4.12 pojedinih mogu\u0107nosti, usmjerenih na pobolj\u0161anje podr\u0161ke za Wayland.<br \/>\nVoza\u010d drm\/i915 za Intel GPU uskla\u0111en je s jezgrom Linux 4.8.17, s prijenosom iz jezgre 5.4 koda za podr\u0161ku novih \u010dipova (Skylake, Coffelake, Amber Lake, Whiskey Lake i Comet Lake). Voza\u010d drm\/radeon za AMD grafi\u010dke kartice uskla\u0111en je s jezgrom Linux 4.9.<\/p>\n<li class=\"l\"> Znatan napredak u algoritmima za paginaciju virtualne memorije omogu\u0107io je eliminaciju ili minimizaciju problema s responzivno\u0161\u0107u korisni\u010dkog su\u010delja tijekom nedostatka memorije. Rje\u0161eni su problemi s zamrzavanjem Chrome\/Chromium kada je sistemska memorija nedovoljna.\n<li class=\"l\"> Pobolj\u0161ano skaliranje jezgre na sustavima s velikim brojem procesorskih jezgri. Smanjeno vrijeme po\u017eara stranica virtualne memorije. Smanjena konkurencija SMP u uvjetima nedostatka memorije. Pove\u0107ana u\u010dinkovitost poziva \u00abopen(&#8230; O_RDWR)\u00bb.\n<li class=\"l\"> Preure\u0111en je generator pseudo slu\u010dajnih brojeva u jezgri. Voza\u010d RDRAND prilago\u0111en je za prikupljanje entropije sa svih CPU-a. Smanjena je intenzivnost<br \/>\n i veli\u010dina punjenja RDRAND, na koju je ranije odlazilo 2-3% vremena CPU-a tijekom mirovanja.<\/p>\n<li class=\"l\"> Dodani su novi sistemski pozivi realpath, getrandom i lwp_getname (omogu\u0107io realizaciju pthread_get_name_np).\n<li class=\"l\"> Dodana podr\u0161ka za mehanizme za\u0161tite SMAP (Supervisor Mode Access Prevention) i SMEP (Supervisor Mode Execution Prevention). SMAP omogu\u0107ava blokiranje pristupa podacima u prostoru korisnika iz privilegiranog koda koji se izvr\u0161ava na razini jezgre. SMEP ne dopu\u0161ta prelazak iz re\u017eima jezgre na izvr\u0161avanje koda koji se nalazi na korisni\u010dkoj razini, \u010dime se blokira iskori\u0161tavanje mnogih ranjivosti u jezgrenom kodu (shell-kod se ne mo\u017ee izvr\u0161iti jer se nalazi u korisni\u010dkom prostoru);\n<li class=\"l\"> Preoblikovane su sysctl varijable za pode\u0161avanje Jail-a. Dodana mogu\u0107nost montiranja nullfs i tmpfs iz Jail-a.\n<li class=\"l\"> Dodan je hitni re\u017eim rada datote\u010dnog sustava HAMMER2 koji se mo\u017ee koristiti tijekom oporavka nakon kvara. U ovom re\u017eimu dopu\u0161teno je uni\u0161tavanje snimaka prilikom a\u017euriranja inoda na mjestu (dopu\u0161ta brisanje datoteka i mapa u nedostatku slobodnog diska, kada nije mogu\u0107e koristiti mehanizam copy-on-write). Zna\u010dajno je pove\u0107ana u\u010dinkovitost zahvaljuju\u0107i preoblikovanju podr\u0161ke za upravljanje nitima u HAMMER2. Zna\u010dajno je pobolj\u0161an proces ispu\u0161tanja bafera (flush).\n<li class=\"l\"> Pove\u0107ana je pouzdanost i u\u010dinkovitost TMPFS-a. Pove\u0107ana je efikasnost rada u uvjetima nedostatka slobodne memorije u sustavu.\n<li class=\"l\"> U mre\u017enom stogu za IPv4 implementirana je podr\u0161ka za prefikse \/31 (<noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc3021\">RFC 3021<\/a><\/noindex>).<br \/>\n U tap pobolj\u0161ana je obrada ioctl SIOCSIFMTU za podr\u0161ku MTU &gt; 1500. Dodana je podr\u0161ka za SIOCSIFINFO_IN6 i SO_RERROR.<\/p>\n<li class=\"l\"> S FreeBSD-om je sinkroniziran drajver iwm s podr\u0161kom za be\u017ei\u010dne \u010dipove Intel (dodana podr\u0161ka za iwm-9000 i iwm-9260).\n<li class=\"l\"> Dodane su Linux kompatibilne funkcije basename() i dirname() radi pobolj\u0161ane kompatibilnosti u portovima.\n<li class=\"l\"> Iz FreeBSD-a su preneseni fsck_msdosfs, sys\/ttydefaults.h, AF_INET \/ AF_INET6 u libc\/getaddrinfo(), calendar(1), rcorder-visualize.sh. Iz OpenBSD-a su prenesene funkcije iz math.h.\n<li class=\"l\"> A\u017eurirane su verzije vanjskih komponenti, uklju\u010duju\u0107i Binutils 2.34, Openresolv 3.9.2, DHCPCD 8.1.3. Prema zadanim postavkama koristi se kompajler gcc-8.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52473\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 DragonFlyBSD 5.8, \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0441 \u0433\u0438\u0431\u0440\u0438\u0434\u043d\u044b\u043c \u044f\u0434\u0440\u043e\u043c, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u0439 \u0432 2003 \u0433\u043e\u0434\u0443 \u0441 \u0446\u0435\u043b\u044c\u044e \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u044f \u0432\u0435\u0442\u043a\u0438 FreeBSD 4.x. \u0418\u0437 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0435\u0439 DragonFly BSD \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0434\u0435\u043b\u0438\u0442\u044c \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u0443\u044e \u0432\u0435\u0440\u0441\u0438\u043e\u043d\u043d\u0443\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 HAMMER, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 &#171;\u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445&#187; \u044f\u0434\u0435\u0440 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043a\u0430\u043a \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u043c\u0435\u0442\u0430-\u0434\u0430\u043d\u043d\u044b\u0445 \u0424\u0421 \u043d\u0430 SSD-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044f\u0445, \u0443\u0447\u0438\u0442\u044b\u0432\u0430\u044e\u0449\u0438\u0435 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043d\u044b\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u0441\u044b\u043b\u043a\u0438, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u043c\u043e\u0440\u043e\u0437\u043a\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 [&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-72824","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 DragonFlyBSD.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hr\/blog\/news\/reliz-operaczionnoj-sistemy-dragonfly-bsd-5-8\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"hr_HR\" \/>\n\t\t<meta 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