[완료] 소켓의 소유권 상속 금지 방법?

#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <fcntl.h>
 
int create_dummy_socket(int port)
{
    int status, sockfd;
    struct sockaddr_in servaddr;
    int iOptVal;
 
    if ((sockfd = socket(PF_INET, SOCK_DGRAM, 0)) < 0)
    {
        return -1;
    }
 
    memset(&servaddr, 0, sizeof(servaddr));
    servaddr.sin_family      = AF_INET;
    servaddr.sin_port        = htons(port);
    servaddr.sin_addr.s_addr = INADDR_ANY;
 
    if ((status = bind(sockfd, (struct sockaddr*)&servaddr, sizeof(servaddr))) != 0)
    {
        perror("socket binding error! ");
        return -1;
    }
}
 
 
int main(int argc, char *argv[])
{
    if (create_dummy_socket(8888) < 0)
    {
        exit(0);
    }
 
    system("sh");
}