diff options
Diffstat (limited to 'lib/kernel/src')
| -rw-r--r-- | lib/kernel/src/gen_sctp.erl | 5 | ||||
| -rw-r--r-- | lib/kernel/src/gen_udp.erl | 5 | ||||
| -rw-r--r-- | lib/kernel/src/inet.erl | 4 |
3 files changed, 10 insertions, 4 deletions
diff --git a/lib/kernel/src/gen_sctp.erl b/lib/kernel/src/gen_sctp.erl index d8954f0cf7..8fa963ec78 100644 --- a/lib/kernel/src/gen_sctp.erl +++ b/lib/kernel/src/gen_sctp.erl @@ -425,9 +425,10 @@ error_string(X) -> erlang:error(badarg, [X]). --spec controlling_process(Socket, Pid) -> ok when +-spec controlling_process(Socket, Pid) -> ok | {error, Reason} when Socket :: sctp_socket(), - Pid :: pid(). + Pid :: pid(), + Reason :: closed | not_owner | inet:posix(). controlling_process(S, Pid) when is_port(S), is_pid(Pid) -> inet:udp_controlling_process(S, Pid); diff --git a/lib/kernel/src/gen_udp.erl b/lib/kernel/src/gen_udp.erl index 8688799ae9..914854c65c 100644 --- a/lib/kernel/src/gen_udp.erl +++ b/lib/kernel/src/gen_udp.erl @@ -185,9 +185,10 @@ connect(S, Address, Port) when is_port(S) -> Error end. --spec controlling_process(Socket, Pid) -> ok when +-spec controlling_process(Socket, Pid) -> ok | {error, Reason} when Socket :: socket(), - Pid :: pid(). + Pid :: pid(), + Reason :: closed | not_owner | inet:posix(). controlling_process(S, NewOwner) -> inet:udp_controlling_process(S, NewOwner). diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index 49f64a9236..3356fb55d7 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -1244,6 +1244,8 @@ udp_close(S) when is_port(S) -> %% Set controlling process for TCP socket. tcp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> case erlang:port_info(S, connected) of + {connected, NewOwner} -> + ok; {connected, Pid} when Pid =/= self() -> {error, not_owner}; undefined -> @@ -1295,6 +1297,8 @@ tcp_sync_input(S, Owner, Flag) -> %% Set controlling process for UDP or SCTP socket. udp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> case erlang:port_info(S, connected) of + {connected, NewOwner} -> + ok; {connected, Pid} when Pid =/= self() -> {error, not_owner}; _ -> |