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#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
main ()
{
pid_t pid; pid=fork();
if (pid < 0)
printf("error in fork!");
else if (pid == 0)
printf("i am the child process, my process id is %dn",getpid());
else
printf("i am the parent process, my process id is %dn",getpid());
}
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# ./a.out
i am the child process, my process id is 4286
i am the parent process, my process id is 4285
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main()
{
pid_t pid;
printf("\n[%d]not fork pid=%d\n",getpid(),pid);
pid=fork();
printf("\n[%d]forked pid=%d\n",getpid(),pid);
if(pid<0)
{
printf("error in fork!\n");
getchar();
exit(1);
}
else if(pid==0)
printf("\n[%d]in child process,p_id=%d\n",getpid(),getpid());
else
{
printf("\n[%d]in parent process,my pid=%d\n",getpid(),pid);
printf("\n[%d]in parent process,my getpid=%d\n",getpid(),getpid());
}
}
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$ ./fork
[3819]not fork
[3820]forked pid=0
[3820]in child process,p_id=3820
[3819]forked pid=3820
[3819]in parent process,my pid=3820
[3819]in parent process,my getpid=3819
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http://subversion.tigris.org/servlets/ProjectDocumentList?expandFolder=260&folderID=260
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Info
Name
Version
Home URL(Download HOme)
Install Path
Remark
MySQL
5.1.35
http://dev.mysql.com/downloads/mysql/5.1.html#source
/usr/local/mysql
Install
[root@wzhu ~]# groupadd mysql
[root@wzhu ~]# useradd -g mysql -m -d /usr/local/mysql -r mysql
[root@wzhu ~]# tar zxf mys ......
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