diff options
Diffstat (limited to 'lib/kernel/src/heart.erl')
| -rw-r--r-- | lib/kernel/src/heart.erl | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/kernel/src/heart.erl b/lib/kernel/src/heart.erl index 28452a377e..87cb9d7f51 100644 --- a/lib/kernel/src/heart.erl +++ b/lib/kernel/src/heart.erl @@ -42,9 +42,11 @@ -define(CLEAR_CMD, 5). -define(GET_CMD, 6). -define(HEART_CMD, 7). +-define(PREPARING_CRASH, 8). % Used in beam vm -define(TIMEOUT, 5000). -define(CYCLE_TIMEOUT, 10000). +-define(HEART_PORT_NAME, heart_port). %%--------------------------------------------------------------------- @@ -130,6 +132,8 @@ start_portprogram() -> Port when is_port(Port) -> case wait_ack(Port) of ok -> + %% register port so the vm can find it if need be + register(?HEART_PORT_NAME, Port), {ok, Port}; {error, Reason} -> report_problem({{port_problem, Reason}, @@ -225,6 +229,7 @@ no_reboot_shutdown(Port) -> end. do_cycle_port_program(Caller, Parent, Port, Cmd) -> + unregister(?HEART_PORT_NAME), case catch start_portprogram() of {ok, NewPort} -> send_shutdown(Port), |