public static Task <bool> WaitForProcessExitAsync(uint pid)
{
void *hProcess = OpenProcess(SYNCHRONIZE, 0, pid);
if (hProcess == null)
{
return(Task.FromResult(false));
}
var tasker = new TaskCompletionSource <bool>();
var hProcessSafe = new NativeWaitHandle(hProcess, true);
RegisteredWaitHandle registered = null;
WaitOrTimerCallback λHappened = (state, timeout) =>
{
hProcessSafe.Close();
#pragma warning disable once AccessToModifiedClosure
registered?.Unregister(null);
tasker.SetResult(true);
};
registered = ThreadPool.RegisterWaitForSingleObject(hProcessSafe, λHappened, Missing.Value, -1, true);
return(tasker.Task);
}
public static Task<bool> WaitForProcessExitAsync(uint pid)
{
void* hProcess = OpenProcess(SYNCHRONIZE, 0, pid);
if(hProcess == null)
return TaskHelpers.FromResult(false);
var tasker = new TaskCompletionSource<bool>();
var hProcessSafe = new NativeWaitHandle(hProcess, true);
RegisteredWaitHandle registered = null;
WaitOrTimerCallback λHappened = (state, timeout) =>
{
hProcessSafe.Close();
#pragma warning disable once AccessToModifiedClosure
registered?.Unregister(null);
tasker.SetResult(true);
};
registered = ThreadPool.RegisterWaitForSingleObject(hProcessSafe, λHappened, Missing.Value, -1, true);
return tasker.Task;
}
