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[PATCH nbdkit 0/2] python: Implement pread passing buffer for v2 API.
2019 Nov 25
3
[PATCH nbdkit 0/2] python: Implement pread passing buffer for v2 API.
As suggested by Nir, here: https://www.redhat.com/archives/libguestfs/2019-November/thread.html#00220
[PATCH nbdkit 1/2] python: For v2 API, avoid copy by passing a buffer to pread.
2019 Nov 25
0
[PATCH nbdkit 1/2] python: For v2 API, avoid copy by passing a buffer to pread.
It's more efficient if we pass the C buffer directly to Python code. In some cases the Python code will be able to write directly into the C buffer using functions like file.readinto and socket.recv_into. This avoids an extra copy. Thanks: Nir Soffer --- plugins/python/example.py | 8 ++++--- plugins/python/nbdkit-python-plugin.pod | 16 +++++-------- plugins/python/python.c | 32 +++++++++++++++---------- tests/python-exception.py | 4 ++-- tests/she...