175 	

   175 	

   176 	fd = open(fifopath, O_WRONLY);

   176 	fd = open(fifopath, O_WRONLY);

   177     if (fd > 0)

   177     if (fd > 0)

   178         {

   178         {

   179         buf1 = "done2"; //for checkpoint 2

   179         buf1 = "done2"; //for checkpoint 2

   180         err = write(fd, buf1, strlen(buf1));

   181         err = write(fd, buf1, strlen(buf1));

   181         close(fd);

   182         close(fd);

   182         }

   183         }

   183 

   184 

   184 	while(TRUE)

   185 	while(TRUE)