linuxÖеÄoutb¡¢outw¡¢inb¡¢inw
ÔÚlinuxµÄÇý¶¯³ÌÐòÖУ¬¶¼»áʹÓôóÁ¿µÄoutb¡¢outw¡¢inb¡¢inwµÈµÈºêÀ´·ÃÎÊÓ²¼þ»ò¼Ä´æÆ÷¡£ÕâЩºêµÄ¶¨Òå¶¼ÔÚÏàÓ¦´¦ÀíÆ÷ÌåϵϵÄinclude\asmĿ¼ÏµÄio.hÖж¨Òå¡£×·¾¿ÏÂÈ¥£¬ÕâЩºê×îÖÕ¾ÍÊÇÒ»¸övolatile±äÁ¿µÄµÄ¸³Öµ£º
#define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v))
#define __raw_writeb(v,a) __arch_putb(v,a)
#define outb(v,p) __raw_writeb(v,__io(p))
ÔÚ(*(volatile unsigned char *)(a) = (v))ÖУ¬aÊÇÒ»¸öÎïÀíµØÖ·£¨ÊµµØÖ·£¬¶àÊýÊÇÌØÊ⹦ÄܼĴæÆ÷µØÖ·£©¡£(volatile unsigned char *)¶Ôa½øÐÐÀàÐÍת»»£¬³ÉΪһ¸öÖ¸Ïò¸ÃµØÖ·Ö¸Õ룬×îºó*(volatile unsigned char *)(a)ÒýÓøÃÖ¸Õë¶Ô¸ÃµØÖ·¸³Öµv¡£ÕâÑù¾Í¿ÉÒÔ´ïµ½·ÃÎʵײãÓ²¼þµÄÄ¿µÄÁË¡£
Ïà¹ØÎĵµ£º
CassandraÊÇÒ»¸ö¿ªÔ´µÄ·Ö²¼Ê½Key-Value´æ´¢ÏµÍ³£¬Ö÷ÒªÓÃÓÚFacebook¡¢Digg¡¢TwitterµÈ´óÐÍ´óÊý¾ÝÁ¿µÄÍøÕ¾£¬ÏÖÔÚÒѾ³ÉΪApacheµÄ¶¥¼¶ÏîÄ¿¡£
ÐèÒªÏȰ²×°Java 1.6ÒÔÉϰ汾ºÍThrift¡£
ÏÂÔØCassandra£º
1.wget http://www.apache.org/dyn/closer.cgi?path=/cassandra/0.6.0/apache-cassandra-0.6.0-bin.tar.gz
½âѹËõ£º
2.t ......
LinuxÖÐʹÓÃÃüÁîÐÐʱ£¬ÓÐʱÐèÒª²éÕÒËùÐèÒªµÄÎļþ¡£ShellÌṩÁËÒ»Ì××Ö·û´®Ä£Ê½Æ¥Å乿Ôò£¬»ò³ÆÖ®ÎªÔª×Ö·û´®¡£¿ÉÒÔ°´ÕÕËùÒªÇóµÄģʽÀ´Æ¥ÅäÎļþ£¬»¹¿ÉÒÔʹÓÃ×Ö·ûÀàÐÍÀ´Æ¥ÅäÎļþÃû¡£ÔÚ´ËÖ÷Òª½éÉܼ¸ÖÖ³£¼ûµÄÌØÊâ×Ö·û£º
1¡¢* Æ¥ÅäÎļþÃûÖеÄÈκÎ×Ö·û´®£¬°üÀ¨¿Õ×Ö·û´®£»
2¡¢£¿ Æ¥ÅäÎļþÃûÖеÄÈκε¥×Ö·û´®
3¡¢£Û….£ ......
Linux½ø³ÌÔõÑù²ÅÄÜ»ñÈ¡ÊôÓÚËü×Ô¼ºµÄÏßÐÔµØÖ·¿Õ¼äÄØ£¬±ÈÈç 0x08048000µ½0x0804c000Õâ¶ÎÏßÐÔµØÖ·¿Õ¼ä±»·ÖÅ䏸ÁËÒ»¸ö½ø³Ì£¬½ø³Ì¾Í¿ÉÒÔ·ÃÎÊÕâ¶ÎµØÖ·¿Õ¼ä£¬ÏßÐÔµØÖ·¿Õ¼äµÄ¿ªÊ¼ºÍ½áÊø¶¼±ØÐëÒÔ4KB¶ÔÆë
ÕâÀïÓÐÒÔϼ¸ÖÖÇé¿ö£º
1.¸Õ¸Õ´´½¨µÄнø³Ì£»
2.ʹÓÃexecϵͳµ÷ÓÃ×°ÔØÒ»¸öеijÌÐòÔËÐУ»
3.½«Ò»¸öÎļþ£¨»ò²¿£©Ó³Éäµ½½ø³ÌµØÖ ......
ѧϰ²Ù×÷ϵͳʱÎÒÃǶ¼Á˽⵽ÎļþϵͳÊDzÙ×÷ϵͳµÄÖØÒª×é³É²¿·ÖÖ®Ò»¡£ÎļþϵͳÓкܶàÖÖÀàÐÍ£¬±ÈWindowsµÄfat¡¢fat32£»LinuxµÄext¡¢ext2»òext3£»FreeBSDµÄufsµÈµÈ¡£ÔÚʹÓÃLinuxµÄ¹ý³Ì£¬Ò²³£³£Linux²Ù×÷ϵͳʹÓÃÐéÄâÎļþϵͳVFS£¬Í¨¹ýVFS¿ÉÒÔÖ±½Ó´æÈ¡ÆäËüÒѱ»ÄÚºËÖ§³ÖµÄ¸÷ÖÖÎļþϵͳ£¬ÓÃÆðÀ´¾ÍÏñÊÇÔÚÆÕͨµÄ LinuxµÄextϵÁÐÎÄ ......