unsafe protected void CreateMemory(Uv uv, int threadId, int size)
{
_uv = uv;
ThreadId = threadId;
handle = Marshal.AllocCoTaskMem(size);
*(IntPtr *)handle = GCHandle.ToIntPtr(GCHandle.Alloc(this, _handleType));
}
protected void CreateHandle(
Uv uv,
int threadId,
int size,
Action <Action <IntPtr>, IntPtr> queueCloseHandle)
{
_queueCloseHandle = queueCloseHandle;
CreateMemory(uv, threadId, size);
}
public void Init(Uv uv)
{
CreateMemory(
uv,
Thread.CurrentThread.ManagedThreadId,
uv.loop_size());
_uv.loop_init(this);
}
private void ThreadStart(object parameter)
{
lock (_startSync)
{
var startTcs = (TaskCompletionSource <int>)parameter;
try
{
_uv = new Uv();
_loop.Init(_uv);
_post.Init(_loop, OnPost, EnqueueCloseHandle);
_initCompleted = true;
startTcs.SetResult(0);
}
catch (Exception ex)
{
startTcs.SetException(ex);
return;
}
}
try
{
_loop.Run();
if (_stopImmediate)
{
// thread-abort form of exit, resources will be leaked
return;
}
// run the loop one more time to delete the open handles
_post.Reference();
_post.Dispose();
// We need this walk because we call ReadStop on accepted connections when there's back pressure
// Calling ReadStop makes the handle as in-active which means the loop can
// end while there's still valid handles around. This makes loop.Dispose throw
// with an EBUSY. To avoid that, we walk all of the handles and dispose them.
Walk(ptr =>
{
var handle = UvMemory.FromIntPtr <UvHandle>(ptr);
// handle can be null because UvMemory.FromIntPtr looks up a weak reference
handle?.Dispose();
});
// Ensure the Dispose operations complete in the event loop.
_loop.Run();
_loop.Dispose();
}
catch (Exception ex)
{
_closeError = ex;
// Request shutdown so we can rethrow this exception
// in Stop which should be observable.
//_appLifetime.StopApplication();
}
finally
{
//try
//{
// MemoryPool.Dispose();
//}
//catch (Exception ex)
//{
// _closeError = _closeError == null ? ex : new AggregateException(_closeError, ex);
//}
WriteReqPool.Dispose();
_threadTcs.SetResult(null);
#if DEBUG
// Check for handle leaks after disposing everything
CheckUvReqLeaks();
#endif
}
}