filename, mode='r+', len=None) |
Neither mode 'r' nor mode 'c' can affect the underlying map file. Readonly maps impose no requirement on system swap space and raise exceptions when their contents are modified. Copy-on-write maps require system swap space corresponding to their size, but have modifiable pages which become reassociated with system swap as they are changed. Insufficient swap space can prevent the creation of a copy-on-write memory map.
map) |
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