get_thread_area

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Version: 2003-02-21 (openSuse - 09/10/07)

Section: 2 (Appels système)

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get_thread_area - ¥¹¥ì¥Ã¥É¶É½êµ­²± (TLS) Îΰè¤ò¼è¤ê½Ð¤¹

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#include <linux/unistd.h>
#include <asm/ldt.h>

int get_thread_area(struct user_desc *u_info);

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get_thread_area() ¤Ï¡¢¥«¥ì¥ó¥È¡¦¥¹¥ì¥Ã¥É¤Î¥¹¥ì¥Ã¥É¶É½êµ­²± (Thread Local Storage; TLS) ÇÛÎó¤ÎÃæ¤Î¥¨¥ó¥È¥ê¤òÊÖ¤¹¡£ ¥¨¥ó¥È¥ê¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¡¢¥æ¡¼¥¶¤«¤é°ú¤­¿ô¤È¤·¤ÆÅϤµ¤ì¤ë u_info->entry_number ¤ÎÃͤËÂбþ¤·¤Æ¤¤¤ë¡£ Ãͤ¬ÈÏ°ÏÆâ¤Ë¤¢¤ë¾ì¹ç¡¢ get_thread_info() ¤ÏÂбþ¤¹¤ë TLS ¥¨¥ó¥È¥ê¤ò u_info ¤Ç»Ø¤µ¤ì¤¿Îΰè¤Ë¥³¥Ô¡¼¤¹¤ë¡£

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À®¸ù¤·¤¿¾ì¹ç get_thread_area() ¤Ï 0 ¤òÊÖ¤¹¡£ ¤½¤¦¤Ç¤Ê¤¤¾ì¹ç¡¢ -1 ¤òÊÖ¤·¡¢ errno ¤ËŬÀÚ¤ÊÃͤò¥»¥Ã¥È¤¹¤ë¡£

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EFAULT
u_info ¤¬ÉÔÀµ¤Ê¥Ý¥¤¥ó¥¿¤Ç¤¢¤ë¡£
EINVAL
u_info->entry_number ¤¬Èϰϳ°¤Ç¤¢¤ë¡£

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get_thread_area() ¤Ï Linux 2.5.32 ¤Ç½é¤á¤ÆÅо줷¤¿¡£

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get_thread_area() ¤Ï Linux Æȼ«¤Î´Ø¿ô¤Ç¤¢¤ê¡¢ °Ü¿¢¤ò°Õ¿Þ¤·¤¿¥×¥í¥°¥é¥à¤Ç¤Ï»ÈÍѤ¹¤Ù¤­¤Ç¤Ï¤Ê¤¤¡£

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modify_ldt(2), set_thread_area(2)