diff options
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/atom.names | 1 | ||||
| -rw-r--r-- | erts/emulator/beam/bif.tab | 1 | ||||
| -rw-r--r-- | erts/emulator/beam/dist.c | 21 | ||||
| -rw-r--r-- | erts/emulator/beam/dist.h | 37 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_node_tables.c | 2 |
5 files changed, 55 insertions, 7 deletions
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index 42a368cdd8..b40d9a325b 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -250,6 +250,7 @@ atom error_handler atom error_logger atom erts_code_purger atom erts_debug +atom erts_dflags atom erts_internal atom ets atom ETS_TRANSFER='ETS-TRANSFER' diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 0d1166f6ed..be653ee2a0 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -690,6 +690,7 @@ bif erlang:iolist_to_iovec/1 # New in 21.0 # +bif erts_internal:get_dflags/0 bif erts_internal:new_connection/1 bif erts_internal:abort_connection/2 bif erts_internal:map_next/3 diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index 30390cdb5e..6f122273dc 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -641,6 +641,13 @@ trap_function(Eterm func, int arity) return erts_export_put(am_erlang, func, arity); } +/* + * Sync with dist_util.erl: + * + * -record(erts_dflags, {default, mandatory, addable, rejectable}). + */ +static Eterm erts_dflags_record; + void init_dist(void) { init_nodes_monitors(); @@ -657,6 +664,15 @@ void init_dist(void) dist_ctrl_put_data_trap = erts_export_put(am_erts_internal, am_dist_ctrl_put_data, 2); + { + Eterm* hp = erts_alloc(ERTS_ALC_T_LITERAL, (1+5)*sizeof(Eterm)); + erts_dflags_record = TUPLE5(hp, am_erts_dflags, + make_small(DFLAG_DIST_DEFAULT), + make_small(DFLAG_DIST_MANDATORY), + make_small(DFLAG_DIST_ADDABLE), + make_small(DFLAG_DIST_REJECTABLE)); + erts_set_literal_tag(&erts_dflags_record, hp, (1+5)); + } } #define ErtsDistOutputBuf2Binary(OB) \ @@ -3506,6 +3522,11 @@ BIF_RETTYPE setnode_3(BIF_ALIST_3) goto done; } +BIF_RETTYPE erts_internal_get_dflags_0(BIF_ALIST_0) +{ + return erts_dflags_record; +} + BIF_RETTYPE erts_internal_new_connection_1(BIF_ALIST_1) { DistEntry* dep; diff --git a/erts/emulator/beam/dist.h b/erts/emulator/beam/dist.h index ea4697815f..202457bb3b 100644 --- a/erts/emulator/beam/dist.h +++ b/erts/emulator/beam/dist.h @@ -40,26 +40,51 @@ #define DFLAG_UNICODE_IO 0x1000 #define DFLAG_DIST_HDR_ATOM_CACHE 0x2000 #define DFLAG_SMALL_ATOM_TAGS 0x4000 -#define DFLAG_INTERNAL_TAGS 0x8000 +#define DFLAG_INTERNAL_TAGS 0x8000 /* used by ETS 'compressed' option */ #define DFLAG_UTF8_ATOMS 0x10000 #define DFLAG_MAP_TAG 0x20000 #define DFLAG_BIG_CREATION 0x40000 #define DFLAG_SEND_SENDER 0x80000 -#define DFLAG_NO_MAGIC 0x100000 +#define DFLAG_NO_MAGIC 0x100000 /* internal for pending connection */ -/* Mandatory flags for distribution (sync with dist_util.erl) */ +/* Mandatory flags for distribution */ #define DFLAG_DIST_MANDATORY (DFLAG_EXTENDED_REFERENCES \ | DFLAG_EXTENDED_PIDS_PORTS \ | DFLAG_UTF8_ATOMS \ | DFLAG_NEW_FUN_TAGS) -/* Additional optimistic flags when encoding toward pending connection */ -#define DFLAG_DIST_HOPEFULLY (DFLAG_NO_MAGIC \ - | DFLAG_EXPORT_PTR_TAG \ +/* + * Additional optimistic flags when encoding toward pending connection. + * If remote node does not supporting these (erl_interface) + * then we will need to transcode all messages enqueued before + * connection setup was finished. + */ +#define DFLAG_DIST_HOPEFULLY (DFLAG_EXPORT_PTR_TAG \ | DFLAG_BIT_BINARIES \ | DFLAG_DIST_MONITOR \ | DFLAG_DIST_MONITOR_NAME) +/* Our preferred set of flags. Used for connection setup handshake */ +#define DFLAG_DIST_DEFAULT (DFLAG_DIST_MANDATORY | DFLAG_DIST_HOPEFULLY \ + | DFLAG_FUN_TAGS \ + | DFLAG_NEW_FLOATS \ + | DFLAG_UNICODE_IO \ + | DFLAG_DIST_HDR_ATOM_CACHE \ + | DFLAG_SMALL_ATOM_TAGS \ + | DFLAG_UTF8_ATOMS \ + | DFLAG_MAP_TAG \ + | DFLAG_BIG_CREATION \ + | DFLAG_SEND_SENDER) + +/* Flags addable by local distr implementations */ +#define DFLAG_DIST_ADDABLE DFLAG_DIST_DEFAULT + +/* Flags rejectable by local distr implementation */ +#define DFLAG_DIST_REJECTABLE (DFLAG_DIST_HDR_ATOM_CACHE \ + | DFLAG_HIDDEN_ATOM_CACHE \ + | DFLAG_ATOM_CACHE) + + /* All flags that should be enabled when term_to_binary/1 is used. */ #define TERM_TO_BINARY_DFLAGS (DFLAG_EXTENDED_REFERENCES \ | DFLAG_NEW_FUN_TAGS \ diff --git a/erts/emulator/beam/erl_node_tables.c b/erts/emulator/beam/erl_node_tables.c index eaf133f5c0..088b087ebb 100644 --- a/erts/emulator/beam/erl_node_tables.c +++ b/erts/emulator/beam/erl_node_tables.c @@ -628,7 +628,7 @@ erts_set_dist_entry_pending(DistEntry *dep) erts_no_of_not_connected_dist_entries--; dep->status = ERTS_DE_SFLG_PENDING; - dep->flags = (DFLAG_DIST_MANDATORY | DFLAG_DIST_HOPEFULLY); + dep->flags = (DFLAG_DIST_MANDATORY | DFLAG_DIST_HOPEFULLY | DFLAG_NO_MAGIC); dep->connection_id = (dep->connection_id + 1) & ERTS_DIST_CON_ID_MASK; dep->prev = NULL; |