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29 lines
653 B
Python
Executable file
29 lines
653 B
Python
Executable file
#! /usr/bin/env python
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"""Test program for the fcntl C module.
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Roger E. Masse
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"""
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import struct
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import fcntl
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import FCNTL
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import os
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from test_support import verbose
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filename = '/tmp/delete-me'
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# the example from the library docs
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f = open(filename,'w')
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rv = fcntl.fcntl(f.fileno(), FCNTL.F_SETFL, os.O_NONBLOCK)
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if verbose:
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print 'Status from fnctl with O_NONBLOCK: ', rv
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lockdata = struct.pack('hhllhh', FCNTL.F_WRLCK, 0, 0, 0, 0, 0)
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if verbose:
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print 'struct.pack: ', `lockdata`
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rv = fcntl.fcntl(f.fileno(), FCNTL.F_SETLKW, lockdata)
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if verbose:
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print 'String from fcntl with F_SETLKW: ', `rv`
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f.close()
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os.unlink(filename)
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