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Linux 0.12ÄÚºË

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static struct timer_list {
     long jiffies;
     void (*fn)();
     struct timer_list * next;
} timer_list[TIME_REQUESTS], * next_timer = NULL;       /* next_timer Ϊ¶ÓÁÐÍ·Ö¸Õë*/
void add_timer(long jiffies, void (*fn)(void))
{
       struct timer_list * p;
       if (!fn)
            return;
       cli();
       if (jiffies <= 0) 
             (fn)();
       else {
             for (p = timer_list ; p < timer_list + TIME_REQUESTS ; p++)
                    if (!p->fn)
                         break;
             if (p >= timer_list + TIME_REQUESTS)
                    panic("No more time requests free");
  
             p->fn = fn;
             p->jiffies = jiffies;
             p->next = next_timer;
          &nb


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#include<time.h>  //CÓïÑÔµÄÍ·Îļþ
#include<stdio.h>  //CÓïÑÔµÄI/O
void main()
{
time_t now;    //ʵÀý»¯time_t½á¹¹
struct tm  *timenow;    //ʵÀý»¯tm½á¹¹Ö¸Õë
time(&now);
//timeº¯Êý¶ÁÈ¡ÏÖÔÚµ ......

linuxÏ°²×°tomcat

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1.°Ñtomcat´«µ½linux·þÎñÆ÷ÉÏ
 2.gunzip tomcat-6.0.20.tar.gz
 3.tar -zxvf tomcat-6.0.20.tar
 4.µÃµ½TomcatµÄËùÓÐÎļþ.È»ºó°ÑËü¿½±´µ½ÄãÒª°²×°µÄλÖã¬Èç/usr/local/tomcat-6.0.20/
 5.ÔÚ/etc/profileÎļþÖмÓÈëÈçÏÂÁ½ÐÐ

    export JAVA_HOME=/usr ......

linuxÇý¶¯Ä£¿é


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How to write a Linux driver

1. wrote driver function file(s) .
2. stored in the proper folder, eg: character driver stored in folder  drivers/char/
3. modified Makefile in this folder(eg: drivers/char/)
        -added configuration at somewhere: type like that "obj-$(CONFIG_TESTD ......

Linux Telnet·þÎñ¿ªÆô

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1¡£¸ÅÊöLinuxÌṩ·þÎñÊÇÓÉÔËÐÐÔÚºǫ́µÄÊØ»¤³ÌÐò£¨daemon£©À´Ö´Ðеġ£
ÊØ»¤½ø³ÌµÄ¹¤×÷¾ÍÊÇ´ò¿ª1¸ö¶Ë¿Ú£¨port£©£¬µÈ´ý£¨listen£©½øÈëµÄÁ¬½Ó¡£ÔÚC/SģʽÖУ¬Èç¹ ......
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