24 lines
368 B
Python
24 lines
368 B
Python
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#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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"""
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Topic: 文件的内存映射
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Desc :
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"""
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import os
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import mmap
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def memory_map(filename, access=mmap.ACCESS_WRITE):
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size = os.path.getsize(filename)
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fd = os.open(filename, os.O_RDWR)
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return mmap.mmap(fd, size, access=access)
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def mem_mapping():
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pass
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if __name__ == '__main__':
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mem_mapping()
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