OTP erlang has closed

gistfile1.txt

/Users/bsparrow/Riak_git/otp/erts/etc/common/heart.c:
  499  			}
  500  		} else if (tlen == 0) {
  501: 		/* Erlang has closed its end */
  502: 		print_error("Erlang has closed.");
  503  		return R_CLOSED;
  504      }

/Users/bsparrow/Riak_git/otp/erts/etc/common/inet_gethost.c:
  541  	return 1; 
  542      } else if (res == 0) {
  543: 	/* Erlang has closed */
  544  	return -1;
  545      } else {
  ...
  826  #ifdef WIN32
  827  	    if (!deque_mesq(from_erlang,&qi)) {
  828: 		DEBUGF(1,("Erlang has closed."));
  829  		return;
  830  	    }
  ...
  837  	    if (insize == 0) { /* Other errors taken care of in 
  838  				    read_request */
  839: 		DEBUGF(1,("Erlang has closed."));
  840  		return;
  841  	    }
  ...
 1445  	fatal("Cannot write reply to erlang process, errno = %d.", errno);
 1446      } else if (res == 0) {
 1447: 	DEBUGF(1,("Erlang has closed write pipe."));
 1448  	return 0;
 1449      }
 ....
 2374      for (;;) {
 2375  	if ((r = READ_PACKET_BYTES(inp,&siz,ev)) != 4) {
 2376: 	    DEBUGF(1,("Erlang has closed (reading)"));
 2377  	    exit(0);
 2378  	}
 ....
 2410  	PUT_PACKET_BYTES(hdr, m->req_size);
 2411  	if (write_exact(outp, hdr, 4, ev) != 4) {
 2412: 	    DEBUGF(1,("Erlang has closed (writing)"));
 2413  	    exit(0);
 2414  	}
 2415  	if (write_exact(outp, m->request, m->req_size, ev) != m->req_size) {
 2416: 	    DEBUGF(1,("Erlang has closed (writing)"));
 2417  	    exit(0);
 2418  	}

/Users/bsparrow/Riak_git/otp/lib/os_mon/c_src/cpu_sup.c:
  171  
  172      if(rc == 0)
  173:       error("Erlang has closed");
  174      
  175      switch(cmd) {

/Users/bsparrow/Riak_git/otp/lib/os_mon/c_src/memsup.c:
  539  		  
  540  		case 0:
  541: 		  print_error("Erlang has closed");
  542  		  return;
  543  
  ...
  551  	    }
  552  	} else {		/* Erlang end closed */
  553: 	    print_error("Erlang has closed");
  554  	    return;
  555  	}

/Users/bsparrow/Riak_git/otp/lib/os_mon/c_src/win32sysinfo.c:
  262  	
  263  	if (res != 1){	/* Exactly one byte read ? */ 
  264: 	    print_error("Erlang has closed");
  265  	    return;
  266  	}
  ...
  291  	}    
  292  	else if (res == 0) {
  293: 	    print_error("Erlang has closed");
  294  	    return;
  295  	}