Addresses issue #408 for macOS. Under macOS, when libusb_cancel_transfer #924
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…transfer is called on one transfer, all transfers on the same endpoint are cancelled. Calling libusb_cancel_transfer on additional transfers on the same endpoint _may_ result in macOS returning kIOReturnAborted. The net result is the bladeRF can no longer be communicated with. The fix to this is to only call libusb_cancel_transfer once in cancel_all_transfers and set the appropriate state for all transfers. Refer to libusb_cancel_transfer documentation for more details.
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This pull request has been here for over a year now. Any chances of this getting merged? @rghilduta |
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Addresses issue #408 for macOS. Under macOS, when
libusb_cancel_transferis called on one transfer, all transfers on the same endpoint are cancelled. Callinglibusb_cancel_transferon additional transfers on the same endpoint may result in macOS returningkIOReturnAborted. The net result is the bladeRF can no longer be communicated with.The fix to this is to only call
libusb_cancel_transferonce in cancel_all_transfers and set the appropriate state for all transfers. Refer tolibusb_cancel_transferdocumentation for more details.https://libusb.sourceforge.io/api-1.0/group__libusb__asyncio.html#ga685eb7731f9a0593f75beb99727bbe54
Using the script from issue #408, I am unable to cause the error anymore.