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libusb: adapt to changed packet stream blocking semantics

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Issue #4390
This commit is contained in:
Christian Prochaska 2022-01-28 15:54:26 +01:00 committed by Norman Feske
parent ad2c5fe4b4
commit f773c46b5d
1 changed files with 7 additions and 1 deletions
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8
repos/libports/src/lib/libusb/genode_usb_raw.cc
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@ -290,6 +290,9 @@ struct Usb_device
usb_connection.source()->submit_packet(p);
while (!usb_connection.source()->ack_avail())
genode_env().ep().wait_and_dispatch_one_io_signal();
p = usb_connection.source()->get_acked_packet();
if (!p.succeded)
@ -318,6 +321,9 @@ struct Usb_device
{
Genode::Mutex::Guard guard(usb_packet_allocator_mutex());
if (!usb_connection.source()->ready_to_submit())
return false;
Usb::Packet_descriptor p =
usb_connection.source()->alloc_packet(0);
@ -547,7 +553,7 @@ static int genode_set_interface_altsetting(struct libusb_device_handle* dev_hand
Usb_device *usb_device = *(Usb_device**)dev_handle->dev->os_priv;
return usb_device->altsetting(interface_number, altsetting) ? LIBUSB_SUCCESS
: LIBUSB_ERROR_OTHER;
: LIBUSB_ERROR_BUSY;
}