ustat

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Langue: ja

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Version: 2003-08-04 (openSuse - 09/10/07)

Section: 2 (Appels système)

Sommaire

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ustat - ¥Õ¥¡¥¤¥ë¡¦¥·¥¹¥Æ¥à (file system) ¤ÎÅý·×¤òÆÀ¤ë

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#include <sys/types.h>




#include <unistd.h>    /* libc[45] */




#include <ustat.h>     /* glibc2 */



int ustat(dev_t dev, struct ustat *ubuf);
 

ÀâÌÀ

ustat() ¤Ï¥Þ¥¦¥ó¥È (mount) ¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¡¦¥·¥¹¥Æ¥à¤Î¾ðÊó¤òÊÖ¤¹¡£ dev ¤ÏÄ´¤Ù¤ë¥Õ¥¡¥¤¥ë¡¦¥·¥¹¥Æ¥à¤ò´Þ¤ó¤Ç¤¤¤ë¥Ç¥Ð¥¤¥¹ (device) ¤Î ¥Ç¥Ð¥¤¥¹Èֹ档 ubuf ¤Ï°Ê²¼¤Î¥á¥ó¥Ð¡¼¤ò´Þ¤à ustat ¹½Â¤ÂΤؤΥݥ¤¥ó¥¿¡¼: 



daddr_t f_tfree;      /* Total free blocks */

ino_t   f_tinode;     /* Number of free inodes */

char    f_fname[6];   /* Filsys name */

char    f_fpack[6];   /* Filsys pack name */

¸å¤ÎÆó¤Ä¤Î¥Õ¥£¡¼¥ë¥É¡¢f_fname ¤È f_fpack ¤Ï¼ÂÁõ (implemented) ¤µ¤ì¤Æ¤ª¤é¤º¡¢¾ï¤Ë NULL ¥Ð¥¤¥È ('\0') ¤ÇËä¤á¤é¤ì¤ë¡£

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À®¸ù¤·¤¿¾ì¹ç¤Ë¤Ï¥¼¥í¤¬ÊÖ¤µ¤ì¡¢ ubuf ¤Ç¼¨¤µ¤ì¤ë ustat ¹½Â¤ÂΤ¬Ëä¤á¤é¤ì¤ë¡£ ¥¨¥é¡¼¤Î¾ì¹ç¤Ï -1 ¤¬ÊÖ¤µ¤ì¡¢ errno ¤¬Å¬ÀÚ¤ËÀßÄꤵ¤ì¤ë¡£

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EFAULT
ubuf ¤¬¥¢¥¯¥»¥¹²Äǽ¤Ê¶õ´Ö¤Î³°Â¦¤ò»Ø¤·¤Æ¤¤¤ë¡£
EINVAL
dev ¤¬¥Þ¥¦¥ó¥È¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¡¦¥·¥¹¥Æ¥à¤ò´Þ¤à¥Ç¥Ð¥¤¥¹¤ò»²¾È¤·¤Æ¤¤¤Ê¤¤¡£
ENOSYS
dev ¤Ç»²¾È¤µ¤ì¤ë¥Þ¥¦¥ó¥È¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¡¦¥·¥¹¥Æ¥à¤¬¤³¤ÎÁàºî (operation) ¤ò ¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Ê¤¤¤«¡¢Linux ¤Î¥Ð¡¼¥¸¥ç¥ó¤¬ 1.3.16 °ÊÁ°¤Ç¤¢¤ë¡£

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SVr4.

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ustat() ¤Ï¿ä¾©¤µ¤ì¤º¡¢¸ß´¹À­¤Î¤¿¤á¤À¤±¤ËÄ󶡤µ¤ì¤ë¡£ ¿·¤·¤¤¥×¥í¥°¥é¥à¤ÏÁ´¤Æ¤³¤ì¤ÎÂå¤ê¤Ë statfs(2) ¤ò»ÈÍѤ¹¤ë¤Ù¤­¤Ç¤¢¤ë¡£

HP-UX ¤Ë¤ª¤±¤ëÃí°Õ

HP-UX ÈǤι½Â¤ÂÎ ustat ¤Ë¤Ï¡¢¤½¤Î¾¤Ë¥Õ¥£¡¼¥ë¥É f_blksize ¤¬Â¸ºß¤¹¤ë¤¬¡¢Â¾¤Ç¤Ï¸«¤«¤±¤Ê¤¤¡£ HP-UX ¤Ï¼¡¤Î¤è¤¦¤Ë·Ù¹ð¤·¤Æ¤¤¤ë: ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÃæ¤Ë¤Ï¡¢²òÊü¤µ¤ì¤Æ¤¤¤ë inode ¤Î¿ô¤òÊѹ¹¤·¤Ê¤¤¤â¤Î¤â¤¢¤ë¡£ ¤³¤Î¤è¤¦¤Ê¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ï¡¢¥Õ¥£¡¼¥ë¥É f_tinode ¤Ë -1 ¤òÊÖ¤¹¡£ ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÃæ¤Ë¤Ï¡¢inode ¤òưŪ¤Ë³ÎÊݤ¹¤ë¤â¤Î¤â¤¢¤ë¡£ ¤³¤Î¤è¤¦¤Ê¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ï¡¢¸½ºß²òÊü¤µ¤ì¤Æ¤¤¤ë inode ¤Î¿ô¤òÊÖ¤¹¡£

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stat(2), statfs(2)