fork compare to exec in linux c program
pid_t pid=fork()
it has 3 situation for the return result pid
0 child
>0 parent process
<0 fork fail
fork create a new process and it parent live alse when the child process had been created
Ïà¹ØÎĵµ£º
ÔÚwinÖ÷»úÉÏÓÃipconfig²é¿´VMnet8µÄIPµØÖ·£¬
Ò»°ãÊÇ192.168.X.1/255.255.255.0,
´ËʱVMnet8µÄÉèÖÃÓ¦¸ÃÊÇ×Ô¶¯»ñÈ¡IP£¬ÏÖÔڸijɾ²Ì¬IP£¬²¢°Ñ´ËIPÖ±½ÓÌîÈëVMnet8À²»ÉèÍø¹Ø¡£
ͬʱÔÚVMÍøÂçÉèÖÃÀïµÄNATÏîÖв鿴VMnet8£¬Ò»°ãÊÇ192.168.X.2/255.255.255.0
Õâ¸öµØÖ·¾ÍÊÇVMnet8£¬NATµÄÍø¹Ø
ÏÖÔÚÔÚLINUXϰÑÍø¿¨I ......
Ò»Ö±ÏëдµãLINUXÖеÄFORKº¯Êý,µ«ÊǰÉ,ÎÒʵÔÚÊÇÌ«ÀÁÁË,ÔÙ¼ÓÉÏÎIJɲ»ÔõôºÃ,ËùÒԾʹÓÍøÉÏÕÒÁËÆªÐ´µÄ²»´íµÄÎÄÕÂ,¿´ÍêÖ®ºóÓ¦¸Ã¶ÔFORKº¯ÊýÓÐÒ»¶¨µÄÁ˽â~~
¸ø³öÈçÏÂC³ÌÐò£¬ÔÚlinuxÏÂʹÓÃgcc±àÒ룺
1 #include "stdio.h"
2 #include "sys/types.h"
3 #include "unistd.h"
4
5 int main()
6 ......
1. linux ͼÐλ¯½çÃæÂÒÂ룬һ°ãÊÇÒòΪûÓа²×°ÖÐÎÄ×ÖÌåµ¼Ö£¬¿ÉÒÔÔÚÖն˲éѯÒѾ°²×°µÄ×ÖÌå rpm -qa | grep fonts
Èç¹ûûÓÐfont-chinese£¬¿ÉÒÔÏÂÔØ»ò´Ó°²×°ÅÌÖÐÕÒµ½ fonts-chinese-3.02-12.el5.noarch.rpm °²×°¼´¿É¡£
2. Ô¶³ÌÁ¬½ÓÖÐÎÄÂÒÂ룺
vi /etc/sysconfig/i18n
½«ÄÚÈݸÄΪ
LANG="zh_CN. ......
ÔÚʵÏÖÇý¶¯³ÌÐòµÄmmapº¯Êýʱ£¬Òª×¢ÒâÓ³É䵨ַµÄת»»ÎÊÌ⣬¼û´úÂë¡£
¶¨ÒåÒ»¸öÉ豸½á¹¹Ì壺
struct leedriver
{
struct cdev cdev;
unsigned char mem[MEMSIZE];
};
ÕâÀïÃæÕâ¸öMEMSIZE£¬×îС¶¼ÒªÊÇ4096£¬ÒòΪÄÚ´æÓ³ÉäÊÇÒÔҳΪµ¥Î»µÄ¡£
ÔÚʵÏÖsimple_remap_mmapº¯Êýʱ£¬´úÂëÈçÏÂ
static int simple_remap_mmap(stru ......
µÚÒ»²½:ÏÂÔØFLASHµÄ²å¼þ
http://www.adobe.com/ÔÚÕâ¸öÒ³ÃæÉÏÓкܶà²å¼þ,ÔÚÕâÀïÄãÖ»ÓÃÏÂÔØ
ÎļþÃû×Ö:install_flash_player_9_linux.tar.gz
µÚ¶þ²½:½âѹÎļþ°ü
µ±Ç°µÄ¹¤×÷Ŀ¼ÊÇ:USR
[root@isitqnx usr]#tar zvxf install_flash_player_7_linux.tar.gz µÃµ½Ò»¸öͬÃûÎļ ......