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TTY
Section: Linux Programmer's Manual (4)Updated: January 21, 1992
Index Return to Main Contents
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tty - üËö(terminal)¤ÎÀ©¸æÀâÌÀ
/dev/tty ¥Õ¥¡¥¤¥ë¤Ï¥á¥¸¥ã¡¼¥Ê¥ó¥Ð¡¼(major number) 5 ¥Þ¥¤¥Ê¡¼¥Ê¥ó ¥Ð¡¼(minor number) 0 ¤Î¥¥ã¥é¥¯¥¿¡¼¥Ç¥Ð¥¤¥¹(character device)¤Ç¡¢ÉáÄÌ¡¢ ¥â¡¼¥É 0666 ¥ª¡¼¥Ê.¥°¥ë¡¼¥× root.tty ¤È¤Ê¤Ã¤Æ¤¤¤ë¡£¤Ä¤Þ¤ê¡¢¤³¤Î¥Ç¥Ð¥¤ ¥¹¥Õ¥¡¥¤¥ë(device file)¤Ï¥×¥í¥»¥¹(process)¤ÎÀ©¸æüËö¤ÈƱµÁ¤Ç¤¢¤ë¡£tty ¤¬»²¾È¤·¤Æ¤¤¤ë¥Ç¥Ð¥¤¥¹¤¬¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë ioctl() Í×µá¤Ë ²Ã¤¨¤Æ¡¢¼¡¤Î ioctl() Í׵᤬¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë:
- TIOCNOTTY
- ¸½ºß¤Î¥×¥í¥»¥¹¤ÎÀ©¸æüËö¤«¤é¥×¥í¥»¥¹¤òÀÚ¤êÎ¥¤·¡¢¤½¤Î¥×¥í¥»¥¹¤ò¿·¤·¤¤¥× ¥í¥»¥¹¥°¥ë¡¼¥×¤Ë½ê°¤µ¤»¤Ê¤¤¤Ç¸½ºß¤Î¥×¥í¥»¥¹¥°¥ë¡¼¥×¤«¤é¼è¤ê½ü¤¯(¤½¤Î ¥×¥í¥»¥¹¥°¥ë¡¼¥× ID ¤Ï ¥¼¥í¤Ë¥»¥Ã¥È¤µ¤ì¤ë)¡£ ¤³¤Î ioctl() ¸Æ¤Ó½Ð¤·¤Ï /dev/tty ¤Ë·ë¤Ó¤Ä¤±¤é¤ì¤¿¥Õ¥¡¥¤¥ë ¥Ç¥£¥¹¥¯¥ê¥×¥¿(file descriptorv)¤Ë¤Î¤ßƯ¤¯¡£; ¤³¤ì¤Ï¡¢¥æ¡¼¥¶¤Ë¤è¤Ã¤ÆüËö¤«¤é¸Æ¤Ó½Ð¤µ¤ì¤¿¥Ç¡¼¥â¥ó¥×¥í¥»¥¹¤Ë¤è¤Ã¤Æ»ÈÍÑ ¤µ¤ì¤ë¡£¤½¤Î¥×¥í¥»¥¹¤Ï¡¢/dev/tty ¤ò¥ª¡¼¥×¥ó¤·¤è¤¦¤È»î¤ß¤ë¡£;¤â¤· ¥ª¡¼¥×¥ó¤ËÀ®¸ù¤¹¤ë¤È¡¢¤½¤Î¥×¥í¥»¥¹¤Ï TIOCNOTTY ¤ò»È¤¦¤³¤È¤Ë¤è¤Ã ¤Æ¼«Ê¬¼«¿È¤òüËö¤«¤éÀÚ¤êÎ¥¤¹¡£¤â¤·¡¢¥ª¡¼¥×¥ó¤Ë¼ºÇÔ¤·¤¿¾ì¹ç¡¢¤½¤Î¥×¥í¥» ¥¹¤ÏÌÀ¤é¤«¤ËüËö¤Ë·ë¤Ó¤Ä¤±¤é¤ì¤Æ¤¤¤Ê¤¤¡£¤À¤«¤é¡¢¼«¿È¤òüËö¤«¤éÀÚ¤êÎ¥¤¹ ɬÍפϤʤ¤¡£
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/dev/tty´ØÏ¢¹àÌÜ
mknod(1), chown(1), getty(1), termios(2), console(4), ttys(4)ËÝÌõ¼Ô
ÀÐÀî ËÓ <ishikawa@linux.or.jp>