#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/wait.h>

#define LEN 65000

// 1 gig is  256 million ints

int main()
{

    char data[65000];
    int childpid = fork();
    if (childpid == 0) {
        int roura2 = open("/tmp/trubka", O_WRONLY);
        printf("Trubka otevrena PRO zapis %d\n", roura2);

        for (int i = 0; i < 1500000; i++) {

            int ret = write(roura2, data, sizeof(data));
        }
    }
    else {
        int roura = open("/tmp/trubka", O_RDONLY | O_NONBLOCK);
        printf("Trubka otevrena PRO CTENI %d\n", roura);

        for (int i = 0; i < 1500000; i++) {


                int ret2 = read(roura, data, sizeof(data));

        }
    }

    /* remove the FIFO */
    //close(roura);
    printf("end");
    return 0;
}