Kerdo Link wrote: > > I have a problem with libusb_interrupt_transfer under cygwin. When I > want to read data from a USB device and there is nothing to receive, I > get a Segmentation fault. I managed to backtrace the fault to > hid_copy_transfer_data() in windows_usb.c, line: > memcpy(transfer_priv->hid_dest, transfer_priv->hid_buffer+1, > corrected_size); > > The problem starts in windows_usb.c from windows_handle_events() where > GetOverlappedResult(transfer_priv->pollable_fd.handle, > transfer_priv->pollable_fd.overlapped, &io_size, false) sets io_size > to 0 and io_result = ERROR_OPERATION_ABORTED. >
I'm confused by this. If you are using the HID backend, which it seems you are, you should never see ERROR_OPERATION_ABORTED. The HID backend uses CancelIo in case of a timeout, not AbortPipe. Are you specifying a timeout? -- Tim Roberts, t...@probo.com Providenza & Boekelheide, Inc. ------------------------------------------------------------------------------ Shape the Mobile Experience: Free Subscription Software experts and developers: Be at the forefront of tech innovation. Intel(R) Software Adrenaline delivers strategic insight and game-changing conversations that shape the rapidly evolving mobile landscape. Sign up now. http://pubads.g.doubleclick.net/gampad/clk?id=63431311&iu=/4140/ostg.clktrk _______________________________________________ libusbx-devel mailing list libusbx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libusbx-devel
