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Added inline comment about dangers of multidomain usage #625

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Merged
filmor merged 2 commits into from
Oct 16, 2018
Merged

Added inline comment about dangers of multidomain usage #625

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46a943f
Added inline comment about dangers of multidomain usage
JanKrivanek Feb 12, 2018
9255b6b
Comment about dangers of multidomain usage #625
JanKrivanek Jun 12, 2018
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Added inline comment about dangers of multidomain usage 
As requested here: #538 (comment)
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@JanKrivanek
JanKrivanek authored Feb 12, 2018
commit 46a943fb0de2573369931eab2e60a06a9f8094f8
7 changes: 7 additions & 0 deletions src/runtime/assemblymanager.cs
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Expand Up @@ -17,6 +17,13 @@ internal class AssemblyManager
{
// modified from event handlers below, potentially triggered from different .NET threads
// therefore this should be a ConcurrentDictionary
//
// WARNING: Dangerous if cross-app domain usage is ever supported
// Reusing the dictionary with assemblies accross multiple initializations is problematic.
// Loading happens from CurrentDomain (see line 53). And if the first call is from AppDomain that is later unloaded,
// than it can end up referring to assemblies that are already unloaded (default behavior after unload appDomain -
// unless LoaderOptimization.MultiDomain is used);
// So for multidomain support it is better to have the dict. recreated for each app-domain initialization
private static ConcurrentDictionary<string, ConcurrentDictionary<Assembly, string>> namespaces =
new ConcurrentDictionary<string, ConcurrentDictionary<Assembly, string>>();
//private static Dictionary<string, Dictionary<string, string>> generics;
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