{"id":36742,"date":"2019-10-31T22:13:31","date_gmt":"2019-10-31T19:13:31","guid":{"rendered":"https:\/\/prohoster.info\/blog\/gnu-c-library-v2-30\/"},"modified":"2019-10-31T22:13:31","modified_gmt":"2019-10-31T19:13:31","slug":"gnu-c-library-v2-30","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/gnu-c-library-v2-30","title":{"rendered":"GNU C K\u00f6nyvt\u00e1r v2.30","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent a glibc rendszerk\u00f6nyvt\u00e1r \u00faj verzi\u00f3ja \u2013 2.30.<\/p>\n<p>N\u00e9h\u00e1ny friss\u00edt\u00e9s:<\/p>\n<ul>\n<li>A karakterk\u00f3dol\u00e1s, a karaktert\u00edpusok inform\u00e1ci\u00f3i \u00e9s a transliter\u00e1ci\u00f3s t\u00e1bl\u00e1k friss\u00fcltek, \u00e9s most m\u00e1r t\u00e1mogatj\u00e1k az Unicode 12.1.0 verzi\u00f3t.<\/li>\n<li>A dinamikus linker a &#8212;preload argumentumot fogadja el az objektumok el\u0151zetes bet\u00f6lt\u00e9s\u00e9re, a LD_PRELOAD k\u00f6rnyezeti v\u00e1ltoz\u00f3n k\u00edv\u00fcl.<\/li>\n<li>Hozz\u00e1adva a twalk_r f\u00fcggv\u00e9ny. Ez hasonl\u00f3 a megl\u00e9v\u0151 twalk f\u00fcggv\u00e9nyhez, de tov\u00e1bbi argumentumot adhat \u00e1t a visszah\u00edv\u00f3 f\u00fcggv\u00e9nynek.<\/li>\n<li>A Linuxhoz hozz\u00e1adva a getdents64, gettid \u00e9s tgkill f\u00fcggv\u00e9nyek.<\/li>\n<li>A malloc, calloc, realloc, reallocarray, valloc, pvalloc, memalign, \u00e9s posix_memalign f\u00fcggv\u00e9nyek mostant\u00f3l nem m\u0171k\u00f6dnek olyan objekttel, melynek m\u00e9rete nagyobb, mint a PTRDIFF_MAX. Ez a ptrdiff_t t\u00edpus t\u00falfut\u00e1s\u00e1nak elker\u00fcl\u00e9se \u00e9rdek\u00e9ben t\u00f6rt\u00e9nt.<\/li>\n<li>\u00daj f\u00fcggv\u00e9nyek ker\u00fcltek hozz\u00e1ad\u00e1sra: pthread_cond_clockwait, pthread_mutex_clocklock, pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock \u00e9s sem_clockwait. Ezen f\u00fcggv\u00e9nyek id\u0151z\u00edtettek, de elfogadnak clockid_t param\u00e9tert a v\u00e1rakoz\u00e1si id\u0151 meghat\u00e1roz\u00e1s\u00e1hoz. Mindezek a f\u00fcggv\u00e9nyek lehet\u0151v\u00e9 teszik a CLOCK_MONOTONIC \u00e9s CLOCK_REALTIME v\u00e1rakoz\u00e1st. A haszn\u00e1land\u00f3 \u00f3ra kiv\u00e1laszt\u00e1s\u00e1r\u00f3l a v\u00e1rakoz\u00e1s sor\u00e1n d\u00f6ntenek (ellent\u00e9tben a pthread_condattr_setclock, amely az \u00f3r\u00e1k kiv\u00e1laszt\u00e1s\u00e1t az inicializ\u00e1l\u00e1s sor\u00e1n k\u00f6veteli meg).<\/li>\n<li>A GNU IFUNC h\u00edv\u00e1s ABI felismer\u0151je AArch64 alatt megv\u00e1ltozott: a r\u00e9gi felismer\u0151k tov\u00e1bbra is m\u0171k\u00f6dnek, m\u00edg az \u00faj egy m\u00e1sodik argumentumot haszn\u00e1lhat, ami a j\u00f6v\u0151ben b\u0151v\u00edthet\u0151. Jelenleg az AT_HWCAP2 \u00e9rt\u00e9ket tartalmaz.<\/li>\n<\/ul>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/development\/15144506\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u044b\u0448\u043b\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 glibc &ndash; 2.30. \u041d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f: \u041a\u043e\u0434\u0438\u0440\u043e\u0432\u043a\u0430 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432, \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e \u0442\u0438\u043f\u0430\u0445 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0442\u0440\u0430\u043d\u0441\u043b\u0438\u0442\u0435\u0440\u0430\u0446\u0438\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u044b \u0438 \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0442 Unicode \u0432\u0435\u0440\u0441\u0438\u0438 12.1.0. \u0414\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u043e\u043c\u043f\u043e\u043d\u043e\u0432\u0449\u0438\u043a \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442 &#8212;preload \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0432 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f LD_PRELOAD. \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u200b\u200b\u0444\u0443\u043d\u043a\u0446\u0438\u044f twalk_r. \u041e\u043d\u0430 \u043f\u043e\u0445\u043e\u0436\u0430 \u043d\u0430 \u0443\u0436\u0435 \u0438\u043c\u0435\u044e\u0449\u0443\u044e\u0441\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044e twalk, \u043d\u043e \u043e\u043d\u0430 \u043c\u043e\u0436\u0435\u0442 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0442\u044c [&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-36742","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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