On Mon, Jul 09, 2018 at 09:51:43AM +0100, Frediano Ziglio wrote:
> Multiple times while I was reading this code was not clear why the
> sinchronization of this event was not done in the main event loop.
synchronization
> Also document why we want to use it not relying just on
> WTSRegisterSessionNotification and WM_WTSSESSION_CHANGE.
>
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
> vdagent/vdagent.cpp | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/vdagent/vdagent.cpp b/vdagent/vdagent.cpp
> index 9a40388..e0923be 100644
> --- a/vdagent/vdagent.cpp
> +++ b/vdagent/vdagent.cpp
> @@ -229,6 +229,11 @@ VDAgent::~VDAgent()
> DWORD WINAPI VDAgent::event_thread_proc(LPVOID param)
> {
> VDAgent *agent = static_cast<VDAgent *>(param);
> + // This event is monitored in a separate thread to avoid loosing
losing
> + // events as the event is signaled with PulseEvent to wake up all
> + // thread waiting for it.
> + // This event allows to detect desktop switches which do not
> + // change sessions like pressing Ctrl-Alt-Delete.
> HANDLE desktop_event = OpenEvent(SYNCHRONIZE, FALSE, L"WinSta0_DesktopSwitch");
> if (!desktop_event) {
> vd_printf("OpenEvent() failed: %lu", GetLastError());
> --
> 2.17.1
>
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