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25 lines
382 B
25 lines
382 B
#!/usr/bin/env python3
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import os
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import sys
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import tempfile
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import mmap
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import resource
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(fd,filepath) = tempfile.mkstemp(dir=sys.argv[1])
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os.close(fd)
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fd = os.open(filepath,os.O_RDWR|os.O_DIRECT|os.O_TRUNC)
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os.unlink(filepath)
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data = mmap.mmap(-1, resource.getpagesize())
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os.write(fd,data)
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os.lseek(fd,0,os.SEEK_SET)
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data = os.read(fd,resource.getpagesize())
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os.close(fd)
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