Staging
v0.5.1
v0.5.1
Revision 399502c0ba39f545fcdf6230e2e163961c655480 authored by cvs2svn on 09 October 1997, 23:32:24 UTC, committed by cvs2svn on 09 October 1997, 23:32:24 UTC
1 parent 9a513ef
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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