Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/lock.py @ 534:ab0d1bfeee7c
[PATCH] Handle 'name firstname <email@server>' correctly in annotate
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
[PATCH] Handle 'name firstname <email@server>' correctly in annotate
- From ed.gomez@free.fr
manifest hash: 8af8d6b2afd8caf8e48e5150b91410dea730d41a
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (GNU/Linux)
iD8DBQFCxCpzywK+sNU5EO8RAj8tAJ9lIXS7tlgonp6B810QahCZM0NsigCdH8xQ
cRhEGvrKDrTgc4AY9guylDU=
=+sWJ
-----END PGP SIGNATURE-----
author | mpm@selenic.com |
---|---|
date | Thu, 30 Jun 2005 09:22:59 -0800 |
parents | 03f27b1381f9 |
children | 5ca319a641e1 574869103985 |
line wrap: on
line source
# 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 import util 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: util.makelock(str(pid), self.f) self.held = 1 except: raise LockHeld(util.readlock(self.f)) def release(self): if self.held: self.held = 0 try: os.unlink(self.f) except: pass