Eryk Sun <eryk...@gmail.com> added the comment:
mmap no longer allows resizing if the object has buffer exports. For example:
>>> m = mmap.mmap(-1, 4096, access=mmap.ACCESS_WRITE)
>>> p = (ctypes.c_char * 4096).from_buffer(m)
>>> m.resize(8192)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
BufferError: mmap can't resize with extant buffers exported.
>>> del p
>>> m.resize(8192)
>>> len(m)
8192
----------
nosy: +eryksun
resolution: -> out of date
stage: needs patch -> resolved
status: open -> closed
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue12957>
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