/* run-program-dots.c */

#include <sys/wait.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <signal.h>

int child_proc;
void sigchild_handler(int signum)
{
        exit(0);
}
int main( int argc, char *argv[], char *envp[] )
{
    if( argc < 2 ) {
        printf( "Insufficient arguments.\n" );
        return -1;
    }

    struct sigaction act;
    act.sa_handler = sigchild_handler;

    child_proc = fork();
    if(child_proc == 0) {
        execve(argv[1] , argv + 1 ,NULL);
    } else {
        sigaction(SIGCHLD, &act, NULL);
        while(1) {
            sleep(1);
            printf(".");
            fflush(stdout);
        }
    }
    return 0;
}