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linux fork()º¯Êýѧϰ

#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
int main()
{
    pid_t pid;
    static int n = 0;
    printf("fork!\n"); /*printf("fork!")*/
    switch (pid = fork())
    {
        case -1:
        {
            /* ÕâÀïpidΪ-1£¬forkº¯Êýʧ°Ü */
            /* һЩ¿ÉÄܵÄÔ­ÒòÊÇ */
            /* ½ø³ÌÊý»òÐéÄâÄÚ´æÓþ¡ */
            perror("The fork failed!");
            break;
        }
        case 0:
        {
            /* pidΪ0£¬×Ó½ø³Ì */
            printf("[child]i am child!\n");
            printf("[child]getpid=[%d]\n", getpid() );
            printf("[child]pid=[%d]\n", pid );
            break;
        }
        default:
        {
            /* pid´óÓÚ0£¬¸¸½ø³Ì */
            printf("[parent]i am parent!\n" );
            printf("[parent]getpid=[%d]\n",getpid() );
            printf("[paren


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ʵսLinux Bluetooth±à³Ì£¨ËÄ£© L2CAP²ã±à³Ì

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Logical Link Control and Adaptation Protocol(L2CAP)
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Linuxϲ鿴CPUʹÓÃÂÊ!ϵͳ×ÊԴʹÓÃÇé¿ö





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top - 01:06:48 up 1:22, 1 user, load average: 0.06, 0.60, 0.48
Tasks: 29 total, 1 running, 28 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.3% us, 1. ......

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http://subversion.tigris.org/servlets/ProjectDocumentList?expandFolder=260&folderID=260
//½âѹSubVersion°²×°°ü (rootÓû§½øÐÐÏÂÃæµÄ²Ù×÷) # tar xvzf subversion-1.4.5.tar.gz
//½øÈë½âѹºóµÄĿ¼
# cd Subversion-1.4.5
//ÅäÖÃsubversion°²×°
#./conf ......

mylab_sys_exec UDFµ÷ÓÃmysqlÍⲿϵͳÃüÁî(For linux)

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soÎļþÏÂÔØ:mylab_sys_exec.so ( mysql5.1.34 ²âÊÔͨ¹ý)
¼ÓÔØ:
CREATE FUNCTION mylab_sys_exec RETURNS INTEGER SONAME "mylab_sys_exec.so";
ʹÓÃ:
SELECT myl ......

linux¶¯Ì¬Á´½Ó¿âµÄ´´½¨ÓëʹÓÃ

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    ²Ù×÷¶¯Ì¬¿âµÄº¯ÊýÔÚdlfcn.hÎļþÖж¨Ò壬ËùÒÔÒªÔÚʹÓö¯Ì¬¿âʱinclude <dlfcn.h>
 &n ......
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