socket() 함수가 일정 시간이 지나면 fd를 못 가져 옵니다 ;

void*   createThread ()
{
        struct  timeval                 timeval;
        struct  sockaddr_in             serveraddr;
        char                            czFuncName[256] = "createThread";
        char                            czTmpBuf[256];
 
        memset(&serveraddr, 0, sizeof(serveraddr));
 
        serveraddr.sin_family                           = AF_INET;
        serveraddr.sin_addr.s_addr                      = inet_addr(IP);
        serveraddr.sin_port                             = htons(Port);
        while(1)
        {
                if(Connect == DISCONNECT )
                {
                     if( (fd= socket(AF_INET, SOCK_STREAM, 0)) < 0 )
                     {
                             Log("socket() Error FD : %d, Errno : %d", fd, errno);
                             sleep(1);
                             continue;
                     }
                     if( connect(listenfd1,(struct sockaddr *)&serveraddr, sizeof(serveraddr)) == -1 )
                     {
                            sleep(5);
                            close(fd);
                            continue;
                     }
                        else
                        {
                                     ....
                                     연결 후 처리..
                        }