Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

linux ֪ʶ

1¡¢LinuxϵͳÏÂ.koÎļþÊÇʲôÎļþ£¿.soÎļþÊÇʲôÎļþ£¿
   .ko  £­£­ kernel object£¬ÄÚºËÄ£¿é£¬¿ÉÒÔÔÚLinuxÄÚºËÆðÀ´Ö®ºó¶¯Ì¬µÄ¼ÓÔØºÍÐ¶ÔØ¡£ 
.so  £­£­ shared object£¬Óû§²ãµÄ¶¯Ì¬¿â £¨ÓÚ.a ¶ÔÓ¦£©£¬Ê¹ÓÃͬһ¸ö.soµÄ³ÌÐòÔÚÔËÐÐʱ 
Ö»ÐèÒª¸Ã.soµÄͬһ·Ý¿½±´


Ïà¹ØÎĵµ£º

Linux ÏÂSVNµÄʹÓÃ

Linux ÏÂSVNµÄʹÓÃ
Ò»¡¢install
sudo aptitude install subversion
¶þ¡¢checkout
sudo svn --username fpzeng co https://********/
***
It's necessary to  replace my username fpzeng with yours.
Èý¡¢update
sudo svn update
¾ßÌåÓõ½±ðµÄÔÙ˵£¬½ñÌì¸Õ×°ÉÏ ......

ÔÚLinuxÖÐʵÏÖ´óÈÝÁ¿ NAND FlashµÄYAFFS2Îļþϵͳ

·ÖÎöÁËǶÈëʽ»·¾³ÖÐYAFFS/YAFFS2ÎļþϵͳµÄÓŵ㣬Ìá³öYAFFS2²»½öÖ§³ÖСÈÝÁ¿µÄNAND flash£¬¶Ô´óÈÝÁ¿NAND flash¸ü¾ßÓÐÓÅÊÆ¡£²¢½éÉÜÁËYAFFS/YAFFS2Îļþϵͳ½á¹¹¡£×ÅÖØ½«YAFFS2ÎļþϵͳÔÚǶÈëʽLinuxϵͳÖеÄʵÏÖ¹ý³Ì°üÀ¨ÅäÖᢱàÒëÒÔ¼°²âÊÔÕû¸öÍêÕû¹ý³Ì×÷ÁËÏêϸµÄÂÛÊö¡£
¹Ø¼ü´Ê NAND flash£¬YAFFS/YAFFS2£¬Ç¶ÈëʽLinuxϵͳ
......

linuxϵÄumask( )º¯Êý¡¢setsid( )º¯Êý

       umask()º¯Êý£º´Ëº¯ÊýµÄÖ÷Òª×÷ÓÃÊÇÔÚ´´½¨ÎļþʱÉèÖûòÕ߯Á±ÎµôÎļþµÄһЩȨÏÞ¡£Ò»°ãÓëopen()º¯ÊýÅäºÏʹÓá£openº¯ÊýÔ­ÐÍ£º
#include<sys/types.h>
#include<sys/stat.h>
#include<fcntl.h>
int open( const char * pathname, int flags);
int open( const char ......

linux ¶¯Ì¬¼ÓÔØ ¶¯Ì¬Á´½Ó¿â

¶¯Ì¬¿âµÄÏÔʽµ÷ÓÃ
ÏÔʽµ÷Óõĺ¬ÒåÊÇ´úÂë³öÏÖ¿âÎļþÃû£¬Óû§ÐèÒª×Ô¼ºÈ¥
´ò¿ªºÍ¹ÜÀí¿âÎļþ¡£ÆäÒªµãΪ:
¢Å°Ñdlfcn.hϵͳͷÎļþ°üº¬½øÀ´
¢ÆÓÃdlopenº¯Êý´ò¿ª¿âÎļþ£¬²¢Ö¸¶¨´ò¿ª·½Ê½
dllopeµÄµÄµÚÒ»¸ö²ÎÊýΪ¹²Ïí¿âµÄÃû³Æ£¬½«»áÔÚÏÂÃæÎ»ÖòéÕÒÖ¸¶¨µÄ¹²Ïí¿â¡£
   ¢Ù»·¾³±äÁ¿LD_LIBRARY_PATHÁгöµÄÓ÷ֺżä¸ôµ ......

linux trap

trap [-lp] [arg] [sigspec ...] µ± shell ÊÕµ½ÐźŠsigspec ʱ£¬ÃüÁî arg ½«±»¶ÁÈ¡²¢Ö´ÐС£Èç¹ûûÓиø³ö arg »òÕ߸ø³öµÄÊÇ -, ËùÓÐÖ¸¶¨µÄÐźű»ÉèÖÃΪËüÃǵijõʼֵ (½øÈë shell ʱËüÃǵÄÖµ)¡£Èç¹û arg ÊÇ¿Õ×Ö·û´®£¬ sigspec Ö¸¶¨µÄÐźű» shell ºÍËüÆô¶¯µÄÃüÁîºöÂÔ¡£Èç¹û arg ²»´æÔÚ£¬²¢ÇÒ¸ø³öÁË -p ÄÇôÓëÿ¸ö sigspec ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ