Staging
v0.8.1
v0.8.1
Revision 9b24649118b99987a42fcab0a9793bd5d2b0d762 authored by cvs2svn on 15 August 1997, 20:18:44 UTC, committed by cvs2svn on 15 August 1997, 20:18:44 UTC
1 parent 1fed5b3
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))
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