Hi,
On 12/18/2012 04:05 AM, Jackson wrote:
And there is anther question. In the function "static gpointer
spice_usb_device_manager_usb_ev_thread()",
I use libusb_handle_events(context) to
handle events, but I only receive data from server through the function
"usbredir_read_callback()".
After 60 secs, the client send data to server through
"usbredir_write_callback()", so I use "libusb_handle_events_timeout_completed()"
instead of "libusb_handle_events(").
And set the timeout, then it works. why?
That is weird. There are 2 possible explanations for that:
1) usbredir_handle_msg from gtk/channel-usbredir.c is not getting
called, this would mean that the usb_ev_thread is somehow
blocking the main thread ?
2) The usbredirhost_read_guest_data() call from usbredir_handle_msg
has a complete packet, and one which requires it to make some libusb
call which takes one of libusb's internal locks, and for some reason
the libusb_handle_events() call holds that lock while it is sleeping?
Which platform are you on and which version of libusb are you using?
Regards,
Hans
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