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):`
Remove all remaining uses of the FCNTL module from the standard library. 2001-05-10 15:33:31 +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):`
Remove all remaining uses of the FCNTL module from the standard library. 2001-05-10 15:33:31 +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):`
Remove all remaining uses of the FCNTL module from the standard library. 2001-05-10 15:33:31 +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):`
Remove all remaining uses of the FCNTL module from the standard library. 2001-05-10 15:33:31 +00:00			`dummy = fcntl.fcntl(f.fileno(), fcntl.F_SETLKW,`
Module to lock open files using fcntl() 1994-05-03 14:46:18 +00:00			`struct.pack('2h8l', op,`
			`0, 0, 0, 0, 0, 0, 0, 0, 0))`