[PATCH] file seperator handling for the other 'OS'
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[PATCH] file seperator handling for the other 'OS'
From: K Thananchayan <thananck@yahoo.com>
The following patch maintains repo root relative source file names in
canonical form (with '/' as file seperator).
Mercurial calls os.path.join, os.path.normpath, os.path.walk that use
platform's file seperator. This patch does not change seperator in
these circumstances (except when the result refer to source files).
manifest hash: 2fbb4cb0d3d0bc4f4de5c7c8803fb738072ec6c5
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# lock.py - simple locking scheme for mercurial
#
# Copyright 2005 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
import os, time
class LockHeld(Exception):
pass
class lock:
def __init__(self, file, wait = 1):
self.f = file
self.held = 0
self.wait = wait
self.lock()
def __del__(self):
self.release()
def lock(self):
while 1:
try:
self.trylock()
return 1
except LockHeld, inst:
if self.wait:
time.sleep(1)
continue
raise inst
def trylock(self):
pid = os.getpid()
try:
os.symlink(str(pid), self.f)
self.held = 1
except:
raise LockHeld(os.readlink(self.f))
def release(self):
if self.held:
self.held = 0
os.unlink(self.f)