Staging
v0.8.1
v0.8.1
Revision a95a1405a8c13f2deb3f79ddb2bae1d9e7e95397 authored by Guido van Rossum on 26 June 1996, 19:26:55 UTC, committed by Guido van Rossum on 26 June 1996, 19:26:55 UTC
1 parent 7710f1f
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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