Commit6b87b38

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do not attempt to deallocate GCHandle of Python derived type instance from finalizer when it is not allocated (could have been cleared)

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-4

lines changed

Lines changed: 4 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -257,7 +257,7 @@ internal static Type CreateDerivedType(string name,`
`257`	`257`	`Type.EmptyTypes);`
`258`	`258`	`ILGeneratoril=methodBuilder.GetILGenerator();`
`259`	`259`	`il.Emit(OpCodes.Ldarg_0);`
`260`		`-il.Emit(OpCodes.Call,typeof(PythonDerivedType).GetMethod("Finalize"));`
	`260`	`+il.Emit(OpCodes.Call,typeof(PythonDerivedType).GetMethod(nameof(PythonDerivedType.Finalize)));`
`261`	`261`	`il.Emit(OpCodes.Ldarg_0);`
`262`	`262`	`il.Emit(OpCodes.Call,baseClass.GetMethod("Finalize",BindingFlags.NonPublic\|BindingFlags.Instance));`
`263`	`263`	`il.Emit(OpCodes.Ret);`
`@@ -775,8 +775,8 @@ public static T InvokeGetProperty<T>(IPythonDerivedType obj, string propertyName`
`775`	`775`	`Runtime.XIncref(self.pyHandle);`
`776`	`776`	`usingvarpyself=newPyObject(self.pyHandle);`
`777`	`777`	`PyObjectpyvalue=pyself.GetAttr(propertyName);`
`778`		`-return(T)pyvalue.AsManagedObject(typeof(T));`
`779`		`-}`
	`778`	`+return(T)pyvalue.AsManagedObject(typeof(T));`
	`779`	`+}`
`780`	`780`	`finally`
`781`	`781`	`{`
`782`	`782`	`Runtime.PyGILState_Release(gs);`
`@@ -886,7 +886,7 @@ public static void Finalize(IPythonDerivedType obj)`
`886`	`886`	`Runtime.XDecref(dict);`
`887`	`887`	`}`
`888`	`888`	`Runtime.PyObject_GC_Del(self.pyHandle);`
`889`		`-self.gcHandle.Free();`
	`889`	`+if(self.gcHandle.IsAllocated)self.gcHandle.Free();`
`890`	`890`	`}`
`891`	`891`	`finally`
`892`	`892`	`{`

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