protected void SetResource(T resource)
{
if (ReferenceEquals(this._Resource, resource))
{
return;
}
bool oldResource = (this._Resource is object);
bool newResource = (resource is object);
using (var r = this._Resource) {
this._Resource = resource;
}
if (oldResource && !newResource)
{
if (InterlockedUtilty.BitwiseSet(ref this._DisposeState, (int)(DisposeState.FinalizeSuppressed)))
{
System.GC.SuppressFinalize(this);
}
}
else if (!oldResource && newResource)
{
if (InterlockedUtilty.BitwiseClear(ref this._DisposeState, (int)(DisposeState.FinalizeSuppressed)))
{
System.GC.ReRegisterForFinalize(this);
}
}
}
protected T ReadResourceAndForget()
{
var result = this._Resource;
if (result is object)
{
this._Resource = null;
if (InterlockedUtilty.BitwiseSet(ref this._DisposeState, (int)(DisposeState.FinalizeSuppressed)))
{
System.GC.SuppressFinalize(this);
}
}
return(result);
}
public void Dispose()
{
try {
this.Dispose(disposing: true);
InterlockedUtilty.BitwiseSet(ref this._DisposeState, (int)(DisposeState.Disposed));
} catch {
InterlockedUtilty.BitwiseSet(ref this._DisposeState, (int)(DisposeState.DisposedAndFaulted));
throw;
} finally {
if (InterlockedUtilty.BitwiseSet(ref this._DisposeState, (int)(DisposeState.FinalizeSuppressed)))
{
System.GC.SuppressFinalize(this);
}
}
}
public void BitwiseSetTest()
{
{
int a = 0;
Assert.True(InterlockedUtilty.BitwiseSet(ref a, 1));
Assert.Equal(1, a);
}
{
int a = 2;
Assert.True(InterlockedUtilty.BitwiseSet(ref a, 1));
Assert.Equal(3, a);
}
{
int b = 1;
Assert.False(InterlockedUtilty.BitwiseSet(ref b, 1));
Assert.Equal(1, b);
}
{
int b = 3;
Assert.False(InterlockedUtilty.BitwiseSet(ref b, 1));
Assert.Equal(3, b);
}
}