/* used by job.c - fork sleep child while parent does I/O after a sleep */

#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>

int main()
   {
    pid_t pid;

    if ((pid = fork()) == -1) 
       {perror("fork in job");
        exit(6);
       }
    else if (pid == 0)
       {/* child */
        execlp("sleep","sleep_300_child_in_job","300",NULL);
        perror("exec of sleep in job");
        _exit(7);
       }
    else
       {int i, c=' ';

        sleep(60);  /* no output for first 60 seconds in parent */
        do switch (c)
           {case 'p':
                for (i = 0; i < 10000000; i++) c += i;
            case 'x':
            case EOF:
                exit(8);
            case '\n': break;
            default :
                printf("job: Saw %c. Type character "
                  "c=continue p=pause x=exit: ",c);
           }while ((c=getchar()) != EOF);
       }
   }