private void KillNodeProcess()
{
lock (_syncObject) {
if (_nodeProcess != null)
{
_nodeProcess.Kill();
}
}
}
private async Task <int> WaitAndKillOnCancelAsync(ProcessOutput processOutput, CancellationToken ct)
{
var tcs = new TaskCompletionSource <int>();
processOutput.Exited += (o, e) => tcs.TrySetResult(0);
try {
if (processOutput.ExitCode == null)
{
tcs.RegisterForCancellation(ct).UnregisterOnCompletion(tcs.Task);
await tcs.Task;
}
return((int)processOutput.ExitCode);
} catch (OperationCanceledException) when(ct.IsCancellationRequested)
{
try {
processOutput.Kill();
} catch (InvalidOperationException) {
// Must have exited just as we were about to kill it
}
throw;
}
}
