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* Patch from Ondrej Pokorny to make RegisterClassAlias thread-safe

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git-svn-id: trunk@41818 -
This commit is contained in:
michael 2019-04-01 17:25:29 +00:00
parent 6bfaec84eb
commit 60606e61ef
1 changed files with 8 additions and 3 deletions
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11
rtl/objpas/classes/cregist.inc
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@ -44,9 +44,14 @@ procedure RegisterClassAlias(AClass: TPersistentClass; const Alias: string);
var var
I : integer; I : integer;
begin begin
i := ClassAliasList.IndexOf(Alias); ClassList.LockList;
if I = -1 then try
ClassAliasList.AddObject( Alias, TObject(AClass) ); i := ClassAliasList.IndexOf(Alias);
if I = -1 then
ClassAliasList.AddObject( Alias, TObject(AClass) );
finally
ClassList.UnlockList;
end;
end; end;