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@@ -1,4 +1,55 @@
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-
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+- hexstr is too small in test_work_current
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+- Windows uses errno for WSAETIMEDOUT
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+- Convert the usb callback function to using cgsem_t timed waits to avoid race
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+conditions with conditionals/mutexes.
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+- Give correct return code in cgsem_mswait
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+- Check for correct timeout error in cgsem_mswait
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+- Fix util.h exports for cgsem_mswait
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+- Implement a generic cgsem_mswait similar to sem_timedwait
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+- Use the one LIBUSB_ERROR_TIMEOUT for cancelled transactions since this error
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+is explicitly tested for in various drivers.
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+- Do not use locking on usb callback function pthread signalling to prevent
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+deadlock with libusb's own event lock.
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+- Use a write lock when performing any USB control transfers to prevent
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+concurrent transfers.
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+- Free a libusb transfer after we have finished using it to avoid a dereference
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+in usb_control_transfer
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+- Do not perform bfi int patching for opencl1.2 or later.
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+- Although async transfers are meant to use heap memory, we never return before
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+the transfer function has completed so stack memory will suffice for control
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+transfers, fixing a memory leak in the process.
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+- klondike - correct/reverse min/max stats
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+- api incorrect message name
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+- klondike - use a link list queue rather than a circular buffer - and add
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+timing stats
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+- Use a timeout with usb handle events set to a nominal 200ms and wait for the
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+polling thread to shut down before deinitialising libusb.
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+- Use stack memory for hex used in stratum share submissions.
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+- Use stack memory in test_work_current, avoiding a malloc/free cycle each time.
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+- Provide a lower level __bin2hex function that does not allocate memory itself.
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+- Convert the bitfury driver to use the hash_driver_work version of hash_work.
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+- Add a hash_driver_work function to allow for drivers that wish to do their own
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+work queueing and management.
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+- Convert all usb control transfers to asynchronous communication with our own
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+timeout management as well.
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+- Klondike - increase circular read buffer size
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+- Klondike - extra zero value and range checking in temp conversion
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+- klondike - display MHz also
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+- Make pthread conditional timeouts handle all bulk usb transfer timeouts
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+performing libusb_cancel_transfer, disabling timeouts within libusb itself.
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+- Avoid calling get_statline_before on exit to avoid trying to use it on drivers
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+in an indeterminate state.
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+- Avoid calling get_statline on exit.
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+- Add a small amount to the usb timeout before cancelling to allow for a regular
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+usb polling interval to pass.
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+- Do not attempt to clear a usb halt before sending the cancel message since all
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+transfers should normally be cancelled before attempting to clear a halt
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+condition, and only change the return message to a timeout if it's consistent
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+with a cancellation.
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+- Retry up to USB_RETRY_MAX times to clear a halt condition before failing.
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+- Show the error number as well as the description in erroring bulk transfers.
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+- Drop logging level for failed to connect to stratum to verbose mode only since
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+we hit it regularly.
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- We are always dependent on libusb handling events so use the blocking
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libusb_handle_events in the polling thread and use a bool to know if we should
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continue polling.
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Con Kolivas