Staging
v0.5.1
v0.5.1
Revision b6b43e00f8ba7ffd142795d2ed2e340e4a897a95 authored by cvs2svn on 08 August 1996, 19:05:09 UTC, committed by cvs2svn on 08 August 1996, 19:05:09 UTC
1 parent b4ae6a3
lockfile.py
import struct, fcntl, 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))
Computing file changes ...
