{"id":104757,"date":"2022-08-02T15:37:00","date_gmt":"2022-08-02T13:37:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemnoj-biblioteki-glibc-2-36"},"modified":"2022-08-02T15:37:00","modified_gmt":"2022-08-02T13:37:00","slug":"vypusk-sistemnoj-biblioteki-glibc-2-36","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/vypusk-sistemnoj-biblioteki-glibc-2-36","title":{"rendered":"L\u00ebshimi i bibliotek\u00ebs s\u00eb sistemit Glibc 2.36","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"
Pas pas gjasht\u00eb muajsh zhvillim, \u00ebsht\u00eb l\u00ebshuar versioni i librit sistemik GNU C Library (glibc) 2.36, e cila plot\u00ebson k\u00ebrkesat e standardeve ISO C11 dhe POSIX.1-2017. N\u00eb k\u00ebt\u00eb l\u00ebshim t\u00eb ri jan\u00eb p\u00ebrfshir\u00eb rregullime nga 59 zhvillues. <\/p>\n
Nga p\u00ebrmir\u00ebsimet e realizuara n\u00eb Glibc 2.36, mund t\u00eb ve\u00e7ojm\u00eb: <\/p>\n
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Shtuar mb\u00ebshtetje p\u00ebr formatin e ri t\u00eb zhvendosjes relative DT_RELR (relocation relative), i cili lejon zvog\u00eblimin e madh\u00ebsis\u00eb s\u00eb zhvendosjeve relative n\u00eb objektet e ndara dhe skedar\u00ebt ekzekutiv, t\u00eb kompozuar n\u00eb modalitetin e PIE (Executable t\u00eb pavarur nga pozita). P\u00ebr t\u00eb p\u00ebrdorur fush\u00ebn DT_RELR n\u00eb skedar\u00ebt ELF, \u00ebsht\u00eb e nevojshme mb\u00ebshtetje p\u00ebr opsionin «-z pack-relative-relocs» n\u00eb lidh\u00ebsin, i cili u shfaq n\u00eb l\u00ebshimin e grupeve binutils 2.38.\n
P\u00ebr platform\u00ebn Linux jan\u00eb realizuar funksionet pidfd_open, pidfd_getfd dhe pidfd_send_signal, t\u00eb cilat ofrojn\u00eb akses n\u00eb funksionalitetin pidfd, duke ndihmuar n\u00eb p\u00ebrpunimin e situatave me ri-p\u00ebrdorimin e PID p\u00ebr identifikimin m\u00eb t\u00eb sakt\u00eb t\u00eb proceseve q\u00eb i qasen skedar\u00ebve t\u00eb ndjekur (pidfd \u00ebsht\u00eb i lidhur me nj\u00eb proces t\u00eb caktuar dhe nuk ndryshon, nd\u00ebrsa PID mund t\u00eb lidhet me nj\u00eb proces tjet\u00ebr pas p\u00ebrfundimit t\u00eb procesit aktual q\u00eb \u00ebsht\u00eb i lidhur me k\u00ebt\u00eb PID).\n
P\u00ebr platform\u00ebn Linux, \u00ebsht\u00eb shtuar funksioni process_madvise(), i cili lejon nj\u00eb proces t\u00eb kryej\u00eb thirrjen sistemike madvise() n\u00eb em\u00ebr t\u00eb nj\u00eb procesi tjet\u00ebr, duke identifikuar procesin e synuar p\u00ebrmes pidfd. P\u00ebrmes madvise(), mund t'i informoni b\u00ebrtham\u00ebs p\u00ebr karakteristikat e pun\u00ebs me memorien p\u00ebr t\u00eb optimizuar menaxhimin e memories s\u00eb procesit; p\u00ebr shembull, bazuar n\u00eb informacionin e d\u00ebrguar, b\u00ebrthama mund t\u00eb inicijoj\u00eb l\u00ebshimin e memories s\u00eb lir\u00eb shtes\u00eb. Thirrja madvise() nga nj\u00eb proces tjet\u00ebr mund t\u00eb nevojitet n\u00eb situatat kur informacioni i nevojsh\u00ebm p\u00ebr optimizimin nuk njihet nga procesi aktual, dhe do t\u00eb koordinohej nga nj\u00eb proces menaxhues n\u00eb background, i cili mund t\u00eb iniciroj\u00eb vet\u00eb t\u00ebrheqjen e memories s\u00eb pakonsumuara nga proceset.\n
P\u00ebr platform\u00ebn Linux \u00ebsht\u00eb shtuar funksioni process_mrelease(), i cili lejon t\u00eb p\u00ebrshpejtoj\u00eb lirimin e memories nga procesi q\u00eb p\u00ebrfundon. N\u00eb kushte normale, lirimi i burimeve dhe p\u00ebrfundimi i procesit nuk p\u00ebrfundon menj\u00ebher\u00eb dhe p\u00ebr shkak t\u00eb arsyeve t\u00eb ndryshme mund t\u00eb vonohet, gj\u00eb q\u00eb pengon funksionimin e sistemeve t\u00eb reagimit t\u00eb hersh\u00ebm p\u00ebr munges\u00ebn e memories n\u00eb hap\u00ebsir\u00ebn e p\u00ebrdoruesit, si oomd (i ofruar n\u00eb systemd). Me thirrjen e process_mrelease, k\u00ebto sisteme mund t\u00eb nisin kthimin e memories nga proceset e detyruara t\u00eb p\u00ebrfundimit m\u00eb parashikuesh\u00ebm.\n
N\u00eb implementimin e integruar t\u00eb DNS-resolverit \u00ebsht\u00eb shtuar mb\u00ebshtetje p\u00ebr opsionin \u00abno-aaaa\u00bb, i cili lejon p\u00ebr t\u00eb thjeshtuar diagnostikimin e problemeve t\u00eb \u00e7aktivizoj\u00eb d\u00ebrgimin e pyetjeve DNS p\u00ebr regjistrat AAAA (p\u00ebrcaktimi i adres\u00ebs IPv6 sipas emrit t\u00eb hostit), duke p\u00ebrfshir\u00eb kur kryhen funksionet NSS, t\u00eb tilla si getaddrinfo(). Opsioni nuk ndikon n\u00eb p\u00ebrpunimin e lidhjeve t\u00eb adresave IPv6, t\u00eb p\u00ebrcaktuara n\u00eb \/etc\/hosts dhe thirrjet getaddrinfo() me flamurin AI_PASSIVE.\n
P\u00ebr platform\u00ebn Linux jan\u00eb shtuar funksionet fsopen, fsmount, move_mount, fsconfig, fspick, open_tree dhe mount_setattr, t\u00eb cilat ofrojn\u00eb akses n\u00eb nj\u00eb API t\u00eb ri t\u00eb kernelit p\u00ebr menaxhimin e montimeve t\u00eb sistemeve t\u00eb files me konsiderat\u00eb p\u00ebr hap\u00ebsirat e emrave t\u00eb pikave t\u00eb montimit (mount namespaces). Funksionet e propozuara lejojn\u00eb trajtimin e ve\u00e7ant\u00eb t\u00eb fazave t\u00eb ndryshme t\u00eb montimit (trajtime e superblock-ut, marrja e informacionit rreth FS-s\u00eb, montimi, lidhja me pik\u00ebn e montimit), t\u00eb cilat m\u00eb par\u00eb kryheshin p\u00ebrmes nj\u00eb funksioni t\u00eb p\u00ebrbashk\u00ebt mount(). Funksionet e ve\u00e7anta ofrojn\u00eb mund\u00ebsin\u00eb p\u00ebr t\u00eb realizuar skenar\u00eb m\u00eb t\u00eb komplikuar t\u00eb montimit dhe p\u00ebr t\u00eb kryer veprime t\u00eb tilla si ristrukturimi i superblock-ut, aktivizimi i opsioneve, nd\u00ebrrimi i pik\u00ebs s\u00eb montimit dhe transferimi n\u00eb nj\u00eb hap\u00ebsir\u00eb tjet\u00ebr emri. P\u00ebr m\u00eb tep\u00ebr, trajtimi i ve\u00e7ant\u00eb lejon p\u00ebrcaktimin e sakt\u00eb t\u00eb arsyeve t\u00eb dh\u00ebnies s\u00eb kodove gabimi dhe caktimin e burimeve t\u00eb shumta p\u00ebr FS t\u00eb shum\u00ebfishta, si overlayfs.\n
N\u00eb localedef \u00ebsht\u00eb implementuar mb\u00ebshtetje p\u00ebr p\u00ebrpunimin e skedar\u00ebve me p\u00ebrkufizime lokal\u00ebsh, t\u00eb d\u00ebrguara n\u00eb kodimin UTF-8 n\u00eb vend t\u00eb ASCII.\n
Funksionet p\u00ebr konvertimin e kodifikimeve me shum\u00eb bajta mbrtoc8 dhe c8rtomb, p\u00ebrkat\u00ebse me specifikimet ISO C2X N2653 dhe C++20 P0482R6, jan\u00eb shtuar.\n
Jehohet mb\u00ebshtetje p\u00ebr llojin char8_t, i p\u00ebrcaktuar n\u00eb skic\u00ebn e standardit ISO C2X N2653.\n
Funksionet arc4random, arc4random_buf dhe arc4random_uniform, q\u00eb ofrojn\u00eb lidhje mbi thirrjen sistemike getrandom dhe nd\u00ebrfaqen \/dev\/urandom, q\u00eb kthejn\u00eb numra pseudarrandom me cil\u00ebsi t\u00eb lart\u00eb, jan\u00eb shtuar.\n
\u00cbsht\u00eb realizuar mb\u00ebshtetje p\u00ebr arkitektur\u00ebn e grupit t\u00eb komandave LoongArch n\u00eb platform\u00ebn Linux, e p\u00ebrdorur n\u00eb procesor\u00ebt Loongson 3 5000, q\u00eb implementojn\u00eb nj\u00eb ISA t\u00eb ri RISC, t\u00eb ngjash\u00ebm me MIPS dhe RISC-V. N\u00eb form\u00ebn aktuale, mb\u00ebshtetet vet\u00ebm varianti 64-bit i LoongArch (LA64). K\u00ebrkohet t\u00eb pakt\u00ebn versioni 2.38 i binutils, GCC 12 dhe b\u00ebrthama Linux 5.19.\n
Mekanizmi prelink \u00ebsht\u00eb shpallur i vjetruar dhe do t\u00eb hiqet n\u00eb versionin e ardhsh\u00ebm, si dhe variablat e lidhur t\u00eb mjedisit LD_TRACE_PRELINKING dhe LD_USE_LOAD_BIAS dhe funksionalitetet e lidhjes.\n
Kodet p\u00ebr verifikimin e versionit t\u00eb b\u00ebrtham\u00ebs Linux dhe trajtimin e variablit t\u00eb mjedisit LD_ASSUME_KERNEL jan\u00eb hequr. Versioni minimal i mb\u00ebshtetur p\u00ebr nd\u00ebrtimin e Glibc p\u00ebrcaktohet p\u00ebrmes fush\u00ebs ELF NT_GNU_ABI_TAG.\n
N\u00eb platform\u00ebn Linux \u00ebsht\u00eb ndalur mb\u00ebshtetja p\u00ebr variablin e ambientit LD_LIBRARY_VERSION. <\/ul>\n