cpython/Lib/lib-old/lockfile.py

import struct, fcntl

def writelock(f):
    _lock(f, fcntl.F_WRLCK)

def readlock(f):
    _lock(f, fcntl.F_RDLCK)

def unlock(f):
    _lock(f, fcntl.F_UNLCK)

def _lock(f, op):
    dummy = fcntl.fcntl(f.fileno(), fcntl.F_SETLKW,
                        struct.pack('2h8l', op,
                                    0, 0, 0, 0, 0, 0, 0, 0, 0))
Remove all remaining uses of the FCNTL module from the standard library. 2001-05-10 15:33:31 +00:00			`import struct, fcntl`
Module to lock open files using fcntl() 1994-05-03 14:46:18 +00:00
			`def writelock(f):`
Whitespace normalization, via reindent.py. 2004-07-18 06:16:08 +00:00			`_lock(f, fcntl.F_WRLCK)`
Module to lock open files using fcntl() 1994-05-03 14:46:18 +00:00
			`def readlock(f):`
Whitespace normalization, via reindent.py. 2004-07-18 06:16:08 +00:00			`_lock(f, fcntl.F_RDLCK)`
Module to lock open files using fcntl() 1994-05-03 14:46:18 +00:00
			`def unlock(f):`
Whitespace normalization, via reindent.py. 2004-07-18 06:16:08 +00:00			`_lock(f, fcntl.F_UNLCK)`
Module to lock open files using fcntl() 1994-05-03 14:46:18 +00:00
			`def _lock(f, op):`
Whitespace normalization, via reindent.py. 2004-07-18 06:16:08 +00:00			`dummy = fcntl.fcntl(f.fileno(), fcntl.F_SETLKW,`
			`struct.pack('2h8l', op,`
			`0, 0, 0, 0, 0, 0, 0, 0, 0))`