Разделение вычисления между несколькими приложениями

#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
 
using namespace std;
 
int main ()
{
char s[6];
int fd;
fd = open ("1", O_WRONLY);
int mas1[3] = {11,12,13};
write(fd,&mas1,3);
close(fd);
return 0;
}

#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
 
using namespace std;
 
int main ()
{
char s[6];
int fd;
fd = open ("2", O_WRONLY);
int mas1[3] = {21,22,23};
write(fd,&mas1,3);
close(fd);
return 0;

#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
 
using namespace std;
 
int main ()
{
int mas1[3], mas2[3];
int fd[2];
int fd1, fd2;
mkfifo("1", S_IFIFO|0666);
fd1=open("1,O_RDONLY);
mkfifo("2", S_IFIFO|0666);
fd2=open("1,O_RDONLY);
read(fd1,&mas1,3);
read(fd2,&mas2,3);
if (mas1[3] != mas2[3])
{
int t = mas1[3];
mas1[3] = mas2[3];
mas2[3] = t;
}
}

#include <iostream>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
 
int main()
{
    umask(0);
    mkfifo("./req", S_IRUSR | S_IWUSR | S_IWGRP);
    mkfifo("./resp", S_IRUSR | S_IWUSR | S_IWGRP);
    int req_fd = open("./req", O_WRONLY);
    int resp_fd = open("./resp", O_RDONLY);
    int a[3] = {7,8,9};
    int stored_value;
    for(short i = 0;i<3;++i)
    {
        stored_value = a[i];
        read(resp_fd, &a[i], sizeof(int));
        write(req_fd, &stored_value, sizeof(int));
    }
    unlink("./req");
    unlink("./resp");
    std::cout<<"Server:\n";
    for(short i = 0;i<3;++i)
        std::cout<<a[i]<<" ";
    close(req_fd);
    close(resp_fd);
}

#include <iostream>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
 
int main()
{
    int resp_fd = open("./req", O_RDONLY);
    int req_fd = open("./resp", O_WRONLY);
    int a[3] = {0,1,2};
    for(short i = 0;i<3;++i)
    {
        write(req_fd, &a[i], sizeof(int));
        read(resp_fd, &a[i], sizeof(int));
    }
    std::cout<<"Client:\n";
    for(short i = 0;i<3;++i)
        std::cout<<a[i]<<" ";
    close(req_fd);
    close(resp_fd);
}

#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
 
using namespace std;
 
int main ()
{
unlink("mypipe");
int a[3];
int fd;
 
if (mkfifo ("mypipe", S_IFIFO|0777) < 0)
{
cout << "";
return 0;
}
cout << "Введите три символа: " << endl;
cin >> a[0] >> a[1] >> a[2];
fd = open ("mypipe", O_WRONLY);
write (fd, &*a, sizeof(int));
 
 
close(fd);
 
return 0;
}

#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
 
using namespace std;
 
int main ()
{
char b[3];
int fd;
 
cout << "Введите три символа: " << endl;
cin >> b[0] >> b[1] >> b[2];
 
 
 
fd = open ("mypipe", O_WRONLY);
write (fd, &*b, sizeof(int));
 
 
close (fd);
unlink("mypipe");
 return 0;
}

#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
 
using namespace std;
 
bool prostoe_chislo(int fd)
{
int v[2];
read(fd, &v, sizeof(v));
for (int x = 0; x < 2; x++)
{
if ((v[x] == 0 || v[x] == 1))
return false;
for (int i = v[x]-1; i > 1; i--)
if ((v[x] % i) == 0)
return false;
}
return true;
}
 
int main ()
{
int a[3];
int b[3];
int fd;
for (int i = 0; i < 3; i++)
{
fd = open ("mypipe", O_RDONLY);
read (fd, &a[i], sizeof(int));
read (fd, &b[i], sizeof(int));
}
 
 
cout << "Исходный массив a: " << a << endl;
cout << "Исходный массив b: " << b << endl;
 
close(fd);
unlink("mypipe");
 return 0;
}