{"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\/news\/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 zhvillimi, \u00ebsht\u00eb publikuar versioni i libraris\u00eb sistemore GNU C Library (glibc) 2.36, e cila plot\u00ebson plot\u00ebsisht k\u00ebrkesat e standardeve ISO C11 dhe POSIX.1-2017. N\u00eb k\u00ebt\u00eb botim t\u00eb ri jan\u00eb p\u00ebrfshir\u00eb korrigjime nga 59 zhvillues. <\/p>\n
Nga p\u00ebrmir\u00ebsimet e realizuara n\u00eb Glibc 2.36, vlen t\u00eb p\u00ebrmenden: <\/p>\n
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\u00cbsht\u00eb shtuar mb\u00ebshtetje p\u00ebr formatin e ri t\u00eb zhvendosjeve relative t\u00eb adresave DT_RELR (relativa), i cili lejon t\u00eb reduktohet madh\u00ebsia e zhvendosjeve relative n\u00eb objekte t\u00eb ndara dhe skedar\u00eb ekzekutiv\u00eb, t\u00eb kompozuar n\u00eb modin PIE (ekzekutiv\u00eb t\u00eb pavarur nga pozita). P\u00ebr t\u00eb p\u00ebrdorur fush\u00ebn DT_RELR n\u00eb skedar\u00ebt ELF, nevojitet mb\u00ebshtetje p\u00ebr opsionin '-z pack-relative-relocs' n\u00eb lidh\u00ebsin, i cili u shfaq n\u00eb versionin e paket\u00ebs 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 qasje n\u00eb funksionalitetin pidfd, i cili ndihmon n\u00eb p\u00ebrpunimin e situatave t\u00eb rip\u00ebrdorimit t\u00eb PID p\u00ebr identifikimin m\u00eb t\u00eb sakt\u00eb t\u00eb proceseve q\u00eb i qasin skedar\u00ebve t\u00eb ndjekur (pidfd lidhet 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, i asociuar 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 ekzekutoj\u00eb thirrjen sistemore madvise() n\u00eb em\u00ebr t\u00eb nj\u00eb processi tjet\u00ebr, duke identifikuar procesin e synuar me pidfd. Me an\u00eb t\u00eb madvise(), mund t\u00eb informoni b\u00ebrtham\u00ebn p\u00ebr ve\u00e7orit\u00eb e pun\u00ebs me memorien p\u00ebr optimizimin e menaxhimit t\u00eb memorjes s\u00eb procesit; p\u00ebr shembull, bazuar n\u00eb informacionin e dor\u00ebzuar, b\u00ebrthama mund t\u00eb inicoj\u00eb \u00e7lirimin e memorjes s\u00eb lir\u00eb shtes\u00eb. Thirrja madvise() nga nj\u00eb proces tjet\u00ebr mund t\u00eb k\u00ebrkohet n\u00eb situatat kur informacioni e nevojsh\u00ebm p\u00ebr optimizimin nuk \u00ebsht\u00eb i njohur p\u00ebr procesin aktual, por koordinohet nga nj\u00eb proces menaxhues t\u00eb prapavij\u00ebs, i cili mund t\u00eb inicoj\u00eb vet\u00eb t\u00ebrheqjen e memorjes s\u00eb pap\u00ebrdorur nga proceset.\n
P\u00ebr platform\u00ebn Linux \u00ebsht\u00eb shtuar funksioni process_mrelease(), i cili mund\u00ebson shpejtimin e \u00e7lirimit t\u00eb memories s\u00eb procesit q\u00eb p\u00ebrfundon ekzekutimin e tij. N\u00eb rrethana normale, \u00e7lirimi i burimeve dhe p\u00ebrfundimi i procesit nuk ndodhin menj\u00ebher\u00eb dhe p\u00ebr arsye t\u00eb ndryshme mund t\u00eb vonohen, \u00e7ka pengon funksionimin e sistemeve t\u00eb reagimit t\u00eb hersh\u00ebm ndaj munges\u00ebs s\u00eb memories, si\u00e7 \u00ebsht\u00eb oomd (i ofruar n\u00eb systemd). Me an\u00eb t\u00eb thirrjes process_mrelease, k\u00ebto sisteme mund t\u00eb nisin m\u00eb parashikuesh\u00ebm kthimin e memories nga proceset e detyruara p\u00ebr t'u p\u00ebrfunduar.\n
N\u00eb implementimin e integruar t\u00eb DNS-rezolut\u00ebs \u00ebsht\u00eb shtuar mb\u00ebshtetje p\u00ebr opsionin \u00abno-aaaa\u00bb, i cili mund\u00ebson, p\u00ebr t\u00eb thjeshtuar diagnostikimin e problemeve, \u00e7aktivizimin e d\u00ebrgimit t\u00eb k\u00ebrkesave DNS p\u00ebr rekordet AAAA (p\u00ebrcaktimi i adres\u00ebs IPv6 sipas emrit t\u00eb hostit), p\u00ebrfshir\u00eb gjat\u00eb ekzekutimit t\u00eb funksioneve NSS 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 qasje n\u00eb nj\u00eb API t\u00eb ri t\u00eb b\u00ebrtham\u00ebs p\u00ebr menaxhimin e montimit t\u00eb sistemeve t\u00eb skedar\u00ebve, duke marr\u00eb parasysh hap\u00ebsirat e emrave t\u00eb pikave t\u00eb montimit (mount namespaces). Funksionet e propozuara lejojn\u00eb p\u00ebrpunimin e ve\u00e7ant\u00eb t\u00eb fazave t\u00eb ndryshme t\u00eb montimit (p\u00ebrpunimin e superblokut, marrjen e informacionit mbi FS-n\u00eb, montimin, ngjitjen n\u00eb pik\u00ebn e montimit), t\u00eb cilat m\u00eb par\u00eb ishin realizuar p\u00ebrmes nj\u00eb funksioni t\u00eb p\u00ebrgjithsh\u00ebm mount(). Funksionet e ve\u00e7anta mund\u00ebsojn\u00eb realizimin e skenar\u00ebve m\u00eb t\u00eb nd\u00ebrlikuar t\u00eb montimit dhe ekzekutimin e veprimeve t\u00eb tilla si rikonfigurimi i superblokut, aktivizimi i opsioneve, ndryshimi i pik\u00ebs s\u00eb montimit dhe zhvendosja n\u00eb nj\u00eb hap\u00ebsir\u00eb tjet\u00ebr emri. P\u00ebr m\u00eb tep\u00ebr, p\u00ebrpunimi i ndar\u00eb lejon p\u00ebrcaktimin e sakt\u00eb t\u00eb arsyeve t\u00eb kthimit t\u00eb kodit t\u00eb gabimeve dhe caktimin e disa burimeve p\u00ebr FS-t\u00eb me shum\u00eb shtresa, si\u00e7 \u00ebsht\u00eb overlayfs.\n
N\u00eb localedef \u00ebsht\u00eb implementuar mb\u00ebshtetje p\u00ebr p\u00ebrpunimin e skedar\u00ebve me p\u00ebrcaktime locales, t\u00eb ofruara n\u00eb kodimin UTF-8 n\u00eb vend t\u00eb ASCII.\n
Jan\u00eb shtuar funksione p\u00ebr konvertimin e kodimeve multi-byte mbrtoc8 dhe c8rtomb, t\u00eb p\u00ebrputhshme me specifikimet ISO C2X N2653 dhe C++20 P0482R6.\n
\u00cbsht\u00eb shtuar mb\u00ebshtetje p\u00ebr llojin char8_t, t\u00eb p\u00ebrcaktuar n\u00eb projektin e standardit ISO C2X N2653.\n
Shtohen funksionet arc4random, arc4random_buf dhe arc4random_uniform, t\u00eb cilat ofrojn\u00eb mb\u00ebshtetje p\u00ebr thirrjen sistemike getrandom dhe nd\u00ebrfaqen \/dev\/urandom, duke kthyer numra t\u00eb rast\u00ebsish\u00ebm t\u00eb cil\u00ebsis\u00eb s\u00eb lart\u00eb.\n
N\u00eb platform\u00ebn Linux \u00ebsht\u00eb implementuar mb\u00ebshtetje p\u00ebr arkitektur\u00ebn e grupit t\u00eb urdh\u00ebrave LoongArch, e cila p\u00ebrdoret n\u00eb procesor\u00ebt Loongson 3 5000 dhe zbaton nj\u00eb ISA t\u00eb ri RISC, t\u00eb ngjash\u00ebm me MIPS dhe RISC-V. Aktualisht \u00ebsht\u00eb e disponueshme vet\u00ebm mb\u00ebshtetja p\u00ebr variantin 64-bit t\u00eb LoongArch (LA64). K\u00ebrkohet nj\u00eb minimum i versioneve binutils 2.38, GCC 12 dhe kernel Linux 5.19.\n
Mekanizmi prelink shpallet i vjetruar dhe do t\u00eb hiqet n\u00eb versionin e ardhsh\u00ebm, si dhe variablat e lidhura mjedisore LD_TRACE_PRELINKING dhe LD_USE_LOAD_BIAS dhe mund\u00ebsit\u00eb e lidh\u00ebsit.\n
Kodi p\u00ebr kontrollin e versionit t\u00eb kernelit Linux dhe trajtimin e variabl\u00ebs mjedisore LD_ASSUME_KERNEL \u00ebsht\u00eb hequr. Versioni minimal i mb\u00ebshtetur gjat\u00eb nd\u00ebrtimit t\u00eb Glibc p\u00ebrcaktohet p\u00ebrmes fush\u00ebs ELF NT_GNU_ABI_TAG.\n