 |
|
|
Home :: International :: Manuals :: Howto :: FAQ :: Man Pages :: Email Login |
MUNLOCK
Section: Linux Programmer's Manual (2)Updated: 1995-11-26
Index Return to Main Contents
̾Á°
munlock - ¥á¥â¥ê¤Î°ìÉô¤Î¥Ú¡¼¥¸¥ó¥°¤òºÆ³«¤¹¤ë½ñ¼°
#include <sys/mman.h> int munlock(const void *addr, size_t len);
ÀâÌÀ
munlock ¤Ï addr ¤«¤é»Ï¤Þ¤ëŤµ len ¥Ð¥¤¥È¤ÎÈϰϤΥá¥â¥ê¤Î¥Ú¡¼¥¸¥ó¥°(paging)¤òºÆ³«(reenable)¤¹¤ë¡£ »ØÄꤵ¤ì¤¿ÈϰϤΥá¥â¥ê¤ò´Þ¤ó¤Ç¤¤¤ëÁ´¤Æ¤Î¥Ú¡¼¥¸¤Ï munlock ¤ò¸Æ¤Ó½Ð¤·¸å¡¢ ºÆ¤Ó¥«¡¼¥Í¥ë¤Ë¤è¤Ã¤Æ³°Éô¥¹¥ï¥Ã¥×(swap)¤Ë°ÜÆ°¤Ç¤¤ë¤è¤¦¤Ë¤Ê¤ë¡£¥á¥â¥ê¤Î¥í¥Ã¥¯(lock)¤ÏÎßÀѤ·¤Ê¤¤¡£Î㤨¤ÐÊ£¿ô²ó mlock ¤ä mlockall ¤ò¸Æ¤Ó½Ð¤·¤Æ¥í¥Ã¥¯¤µ¤ì¤¿¥Ú¡¼¥¸¤â°ì²ó¤ÎÂбþ¤¹¤ëÈϰϤΠmunlock ¤ä munlockall ¤Î¸Æ¤Ó½Ð¤·¤Ë¤è¤Ã¤Æ¥¢¥ó¥í¥Ã¥¯(unlock)¤µ¤ì¤ë¡£ Ê£¿ô¤Î¾ì½ê¤äÊ£¿ô¤Î¥×¥í¥»¥¹¤Ë¥Þ¥Ã¥×¤µ¤ì¤Æ¤¤¤ë¥Ú¡¼¥¸¤Ï¡¢¾¯¤Ê¤¯¤È¤â°ì¤Ä¤Î¾ì½ê¡¢ °ì¤Ä¤Î¥×¥í¥»¥¹¤Ç¥í¥Ã¥¯¤µ¤ì¤Æ¤¤¤ë¸Â¤ê¤Ï RAM ¤Ë»Ä¤ê³¤±¤ë¡£
mlock ¤È munlock ¤¬»ÈÍѲÄǽ¤Ç¤¢¤ë POSIX ¥·¥¹¥Æ¥à¤Ç¤Ï _POSIX_MEMLOCK_RANGE ¤¬ <unistd.h> ¤ËÄêµÁ¤µ¤ì¤Æ¤ª¤ê¡¢<limits.h> ¤Ë¤¢¤ë PAGESIZE ¤ÎÃͤϥڡ¼¥¸¤¢¤¿¤ê¤Î¥Ð¥¤¥È¿ô¤ò¼¨¤·¤Æ¤¤¤ë¡£
ÊÖ¤êÃÍ
À®¸ù¤·¤¿¾ì¹ç¡¢ munlock ¤Ï¥¼¥í¤òÊÖ¤¹¡¢¥¨¥é¡¼¤Î¾ì¹ç¤¬ -1 ¤òÊÖ¤µ¤ì¡¢ errno ¤¬Å¬ÀÚ¤ËÀßÄꤵ¤ì¡¢¥×¥í¥»¥¹¤Î¥¢¥É¥ì¥¹¶õ´Ö¤Ë¤ª¤±¤ë¥í¥Ã¥¯¤ÏÊѹ¹¤µ¤ì¤Ê¤¤¡£¥¨¥é¡¼
- ENOMEM
- »ØÄꤵ¤ì¤¿¥¢¥É¥ì¥¹¤ÎÈÏ°Ï¤Ï¥×¥í¥»¥¹¤Ë¥Þ¥Ã¥×¤µ¤ì¤¿¥¢¥É¥ì¥¹¶õ´Ö¤È°ìÃפ·¤Ê¤¤¡£
- EINVAL
-
len
¤¬Àµ¤Î¿ô¤Ç¤Ê¤¤¡£
½àµò
POSIX.1b, SVr4´ØÏ¢¹àÌÜ
mlock(2), mlockall(2), munlockall(2)