def trylock(self):
if lock._host is None:
lock._host = socket.gethostname()
lockname = '%s:%s' % (lock._host, os.getpid())
while not self.held:
try:
util.makelock(lockname, self.f)
self.held = 1
except (OSError, IOError), why:
if why.errno == errno.EEXIST:
locker = self.testlock()
if locker is not None:
raise LockHeld(errno.EAGAIN, self.f, self.desc,
locker)
else:
raise LockUnavailable(why.errno, why.strerror,
why.filename, self.desc)
def makelock(self, info, path):
return util.makelock(info, self.join(path))
def makelock(self, info, path):
return util.makelock(info, self.join(path))