67 lines
964 B
C
67 lines
964 B
C
|
#include <stdio.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include "fcntl.h"
|
||
|
|
|
||
|
|
class Process_r {
|
||
|
|
|
||
|
|
public :
|
||
|
|
|
||
|
|
int pid;
|
||
|
|
|
||
|
|
|
||
|
|
Process_r(); // конструктор по умолчанию
|
||
|
|
|
||
|
|
void Start(); // создание процесса
|
||
|
|
void Stop();
|
||
|
|
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
Process_r::Process_r(){
|
||
|
|
|
||
|
|
pid = -1;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
void Process_r::Start(){
|
||
|
|
|
||
|
|
|
||
|
|
pid = fork();
|
||
|
|
|
||
|
|
//потомок
|
||
|
|
if (pid ==0 ){
|
||
|
|
|
||
|
|
//printf("I am child. my pid is %d, my parent has pid %d\n", getpid(), getppid());
|
||
|
|
|
||
|
|
|
||
|
|
int out = open("out.txt",O_RDWR|O_CREAT,0777); //S_IRWXU|S_IRWXG|S_IRWXO);
|
||
|
|
int err = open("err.txt",O_RDWR|O_CREAT,0777); //S_IRWXU|S_IRWXG|S_IRWXO);
|
||
|
|
|
||
|
|
dup2(out,1);
|
||
|
|
close(out);
|
||
|
|
//-----------------------------
|
||
|
|
dup2(err,2);
|
||
|
|
close(err);
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//предок
|
||
|
|
if (pid>0) {
|
||
|
|
|
||
|
|
// printf("I am parent. my pid is %d, my child has pid %d\n", getpid(),pid);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pid <0)
|
||
|
|
throw("Can not start console");
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|