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Memory leak in .NET user-propagator (#6360)

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The user-propagator object has to be manually disposed (IDisposable), otherwise it stays in memory forever, as it cannot be garbage collected automatically
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Clemens Eisenhofer 2022-09-22 20:26:08 +02:00 • committed by GitHub
parent 58fad41dfa
commit a67fe054d5
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1 changed files with 12 additions and 2 deletions
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14
src/api/dotnet/UserPropagator.cs
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@ -37,7 +37,7 @@ namespace Microsoft.Z3
/// <summary>
/// Propagator context for .Net
/// </summary>
public class UserPropagator
public class UserPropagator : IDisposable
{
/// <summary>
/// Delegate type for fixed callback
@ -205,10 +205,20 @@ namespace Microsoft.Z3
}
/// <summary>
/// Release provate memory.
/// Release private memory.
/// </summary>
~UserPropagator()
{
Dispose();
}
/// <summary>
/// Must be called. The object will not be garbage collected automatically even if the context is disposed
/// </summary>
public virtual void Dispose()
{
if (!gch.IsAllocated)
return;
gch.Free();
if (solver == null)
ctx.Dispose();