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Lock evaluation scope when not created to prevent threading issues

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Deukhoofd 2019-01-22 16:53:22 +01:00
parent 750d5dab8d
commit 8bd5f7d0af
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1 changed files with 7 additions and 5 deletions
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4
Upsilon/StandardLibraries/StaticScope.cs
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@ -27,13 +27,15 @@ namespace Upsilon.StandardLibraries
{ {
if (_staticScope != null) if (_staticScope != null)
return _staticScope; return _staticScope;
lock (Scope)
{
var (evaluationScope, boundScope) = CreateStandardLibrary(); var (evaluationScope, boundScope) = CreateStandardLibrary();
_staticScope = evaluationScope; _staticScope = evaluationScope;
_staticBoundScope = boundScope; _staticBoundScope = boundScope;
return _staticScope; return _staticScope;
} }
} }
}
public static BoundScope BoundScope public static BoundScope BoundScope
{ {