LinuxÄÇЩʶùÖ®ÎÒÊÇSysfs(6)Îļþϵͳ
½ÓÏÂÀ´£¬ÎÒÃǽøÈësysfs²¿·Ö¡£¿´¿´
kobject_add()->create_dir()->sysfs_create_dir()
bus create file->sysfs create file()
. . .
ÕâЩsysfsº¯ÊýµÄÄÚÄ»¡£
˵°×ÁË£¬sysfs¾ÍÊÇÀûÓÃVFSµÄ½Ó¿ÚÈ¥¶ÁдkobjectµÄ²ã´Î½á¹¹£¬½¨Á¢ÆðÀ´µÄÎļþϵͳ¡£¹ØÓÚsysfsµÄÄÚÈݾÍÔÚfs/sysfs/Ï¡£ kobjectµÄ²ã´Î½á¹¹µÄ¸üÐÂÓëɾ³ý¾ÍÊÇÄÇЩÂÒÆß°ËÔãµÄXX_register()ÃǸɵÄÊÂÇé¡£
ÔÚkobject_add()ÀïÃæ£¬µ÷ÓÃÁËsysfs_create_dir()¡£ÈÃÎÒÃÇ¿´¿´Ëü¾¿¾¹ÊÇÈçºÎcreateµÄ¡£
135 int sysfs_create_dir(struct kobject * kobj)
136 {
137 struct dentry * dentry = NULL;
138 struct dentry * parent;
139 int error = 0;
140
141 BUG_ON(!kobj);
142
143 if (kobj->parent)
144 parent = kobj->parent->dentry;
145 else if (sysfs_mount && sysfs_mount->mnt_sb)
146 parent = sysfs_mount->mnt_sb->s_root;
147 else
148 return -EFAULT;
Ïà¹ØÎĵµ£º
Ò»¡¢ÒýÑÔ£º
±¾ÎĵµµÄÄÚÈݴ󲿷ÝÄÚÈݶ¼ÊÇ´ÓÍøÉÏÊÕ¼¯¶øÀ´£¬È»ºóÅäºÏһЩеĽØÍ¼£¨Äں˰汾£ºV2.4.19£©¡£ÔÚÿһÅäÖÃÏîºó»áÓÐÒ»¸öÑ¡ÔñÖ¸ÄϵIJ¿·Ý£¬ÓÃÀ´Ö¸µ¼´ó¼ÒÔõôÑù¸ù¾Ý×Ô¼ºµÄÇé¿öÀ´×öÏàÓ¦µÄÑ¡Ôñ£»»¹ÓÐÔÚÿһ¸ö´óÏîºÍÎĵµµÄ×îºó»áÓÐÒ»¸ö¾Ñé̸£¬ËüÊÇһЩ¸ßÊÖÃÇÔÚÓ¦¶ÔÎÊÌâºÍ´¦ÀíÌØÓÐÓ²¼þʱµÄһЩ¾Ñ飨Õâ¸ö»¹µ ......
This is a memo of setting up Suse 10.3 on Mon Mar 17, 5:18 PM
Download Open Suse: http://en.opensuse.org and see http://en.opensuse.org/Download_Help
Summary - These tools were configured to use:
Apache 2.2 web server
Bison 2.3
Flex 2.5.33
Ftp server
Gcc 4.2.1 (C/C++)
Java 1.5.0
Mon ......
linux ¿ª»úÆô¶¯½Å±¾Ë³Ðò¡£
µÚÒ»²½£ºÆô¶¯ÄÚºË
µÚ¶þ²½£ºÖ´ÐÐinit £¨ÅäÖÃÎļþ/etc/inittab£©
µÚÈý²½£ºÆô¶¯ÏàÓ¦µÄ½Å±¾£¬²¢ÇÒ´ò¿ªÖÕ¶Ë/etc/init.d
rc.sysinit rc.d(ÀïÃæµÄ½Å±¾£© rc.local
µÚËIJ½£ºÆô¶¯loginµÇ¼½çÃæ login
µÚÎå²½:ÔÚÓû§µÇ¼µÄʱºòÖ´ÐÐsh½Å±¾µÄ˳Ðò£ºÃ¿´ÎµÇ¼µÄʱºò¶ ......
1. Sockets ½éÉÜ
2. ÓòºÍµØÖ··ÖÀà
3. µØÖ·×ª»»º¯Êý
4. SocketÀàÐÍÒÔ¼°¸÷ÖÖÐÒé
5. ½«µØÖ·ºÍSocketÏà°ó¶¨
6. ÃæÏòÎÞÁ¬½ÓµÄÐÒé
7. ÃæÏòÁ¬½ÓµÄÐÒé
8. ·þÎñÆ÷¶ËµÄÃæÏòÁ¬½ÓÐÒé
9. Ö÷»úºÍÍøÂçÃû²éѯ
---------------------------------------------
10. ÔÚSocketÉÏʹÓñê×¼I/O
11. ²¢·¢¿Í»§ºÍ·þÎñÆ÷
12. Sock ......
select()µÄ»úÖÆÖÐÌṩһfd_setµÄÊý¾Ý½á¹¹£¬Êµ¼ÊÉÏÊÇÒ»longÀàÐ͵ÄÊý×飬 ÿһ¸öÊý×éÔªËØ¶¼ÄÜÓëÒ»´ò¿ªµÄÎļþ¾ä±ú£¨²»¹ÜÊÇSocket¾ä±ú,»¹ÊÇÆäËû Îļþ»òÃüÃû¹ÜµÀ»òÉ豸¾ä±ú£©½¨Á¢ÁªÏµ£¬½¨Á¢ÁªÏµµÄ¹¤×÷ÓɳÌÐòÔ±Íê³É£¬ µ±µ÷ÓÃselect()ʱ£¬ÓÉÄں˸ù¾ÝIO״̬ÐÞ¸Äfd_setµÄÄÚÈÝ£¬ÓÉ´ËÀ´Í¨ÖªÖ´ ÐÐÁËselect()µÄ½ø³ÌÄ ......