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Update NEWS.

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Con Kolivas 2013-10-14 20:56:58 +11:00
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commit 4b66519778
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53
NEWS
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@ -1,4 +1,55 @@
- hexstr is too small in test_work_current
- Windows uses errno for WSAETIMEDOUT
- Convert the usb callback function to using cgsem_t timed waits to avoid race
conditions with conditionals/mutexes.
- Give correct return code in cgsem_mswait
- Check for correct timeout error in cgsem_mswait
- Fix util.h exports for cgsem_mswait
- Implement a generic cgsem_mswait similar to sem_timedwait
- Use the one LIBUSB_ERROR_TIMEOUT for cancelled transactions since this error
is explicitly tested for in various drivers.
- Do not use locking on usb callback function pthread signalling to prevent
deadlock with libusb's own event lock.
- Use a write lock when performing any USB control transfers to prevent
concurrent transfers.
- Free a libusb transfer after we have finished using it to avoid a dereference
in usb_control_transfer
- Do not perform bfi int patching for opencl1.2 or later.
- Although async transfers are meant to use heap memory, we never return before
the transfer function has completed so stack memory will suffice for control
transfers, fixing a memory leak in the process.
- klondike - correct/reverse min/max stats
- api incorrect message name
- klondike - use a link list queue rather than a circular buffer - and add
timing stats
- Use a timeout with usb handle events set to a nominal 200ms and wait for the
polling thread to shut down before deinitialising libusb.
- Use stack memory for hex used in stratum share submissions.
- Use stack memory in test_work_current, avoiding a malloc/free cycle each time.
- Provide a lower level __bin2hex function that does not allocate memory itself.
- Convert the bitfury driver to use the hash_driver_work version of hash_work.
- Add a hash_driver_work function to allow for drivers that wish to do their own
work queueing and management.
- Convert all usb control transfers to asynchronous communication with our own
timeout management as well.
- Klondike - increase circular read buffer size
- Klondike - extra zero value and range checking in temp conversion
- klondike - display MHz also
- Make pthread conditional timeouts handle all bulk usb transfer timeouts
performing libusb_cancel_transfer, disabling timeouts within libusb itself.
- Avoid calling get_statline_before on exit to avoid trying to use it on drivers
in an indeterminate state.
- Avoid calling get_statline on exit.
- Add a small amount to the usb timeout before cancelling to allow for a regular
usb polling interval to pass.
- Do not attempt to clear a usb halt before sending the cancel message since all
transfers should normally be cancelled before attempting to clear a halt
condition, and only change the return message to a timeout if it's consistent
with a cancellation.
- Retry up to USB_RETRY_MAX times to clear a halt condition before failing.
- Show the error number as well as the description in erroring bulk transfers.
- Drop logging level for failed to connect to stratum to verbose mode only since
we hit it regularly.
- We are always dependent on libusb handling events so use the blocking - We are always dependent on libusb handling events so use the blocking
libusb_handle_events in the polling thread and use a bool to know if we should libusb_handle_events in the polling thread and use a bool to know if we should
continue polling. continue polling.