diff options
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/include/dist.hrl | 21 | ||||
| -rw-r--r-- | lib/kernel/src/dist_util.erl | 20 |
2 files changed, 9 insertions, 32 deletions
diff --git a/lib/kernel/include/dist.hrl b/lib/kernel/include/dist.hrl index db4a5eaebc..986aca6c26 100644 --- a/lib/kernel/include/dist.hrl +++ b/lib/kernel/include/dist.hrl @@ -49,24 +49,3 @@ %% Also update dflag2str() in ../src/dist_util.erl %% when adding flags... - --define(DFLAGS_ALL, - (?DFLAG_PUBLISHED - bor ?DFLAG_ATOM_CACHE - bor ?DFLAG_EXTENDED_REFERENCES - bor ?DFLAG_DIST_MONITOR - bor ?DFLAG_FUN_TAGS - bor ?DFLAG_DIST_MONITOR_NAME - bor ?DFLAG_HIDDEN_ATOM_CACHE - bor ?DFLAG_NEW_FUN_TAGS - bor ?DFLAG_EXTENDED_PIDS_PORTS - bor ?DFLAG_EXPORT_PTR_TAG - bor ?DFLAG_BIT_BINARIES - bor ?DFLAG_NEW_FLOATS - bor ?DFLAG_UNICODE_IO - bor ?DFLAG_DIST_HDR_ATOM_CACHE - bor ?DFLAG_SMALL_ATOM_TAGS - bor ?DFLAG_UTF8_ATOMS - bor ?DFLAG_MAP_TAG - bor ?DFLAG_BIG_CREATION - bor ?DFLAG_SEND_SENDER)). diff --git a/lib/kernel/src/dist_util.erl b/lib/kernel/src/dist_util.erl index 5871e7e8ee..5614b80802 100644 --- a/lib/kernel/src/dist_util.erl +++ b/lib/kernel/src/dist_util.erl @@ -215,8 +215,7 @@ check_dflags(#hs_data{other_node = Node, #erts_dflags{}=EDF) -> Mandatory = (EDF#erts_dflags.mandatory bor RequiredFlags), - Missing = check_mandatory(0, ?DFLAGS_ALL, Mandatory, - OtherFlags, []), + Missing = check_mandatory(Mandatory, OtherFlags, []), case Missing of [] -> ok; @@ -236,21 +235,20 @@ check_dflags(#hs_data{other_node = Node, ?shutdown2(Node, {check_dflags_failed, Missing}) end. -check_mandatory(_Bit, 0, _Mandatory, _OtherFlags, Missing) -> +check_mandatory(0, _OtherFlags, Missing) -> Missing; -check_mandatory(Bit, Left, Mandatory, OtherFlags, Missing) -> - DFlag = (1 bsl Bit), - NewLeft = Left band (bnot DFlag), - NewMissing = case {DFlag band Mandatory, - DFlag band OtherFlags} of - {DFlag, 0} -> +check_mandatory(Mandatory, OtherFlags, Missing) -> + Left = Mandatory band (Mandatory - 1), % clear lowest set bit + DFlag = Mandatory bxor Left, % only lowest set bit + NewMissing = case DFlag band OtherFlags of + 0 -> %% Mandatory and missing... [dflag2str(DFlag) | Missing]; _ -> - %% Not mandatory or present... + %% Mandatory and present... Missing end, - check_mandatory(Bit+1, NewLeft, Mandatory, OtherFlags, NewMissing). + check_mandatory(Left, OtherFlags, NewMissing). %% No nodedown will be sent if we fail before this process has |