lockFile = os.path.join(lockFileDir, self.snaplabel + ".lock")
try:
lockFp = open(lockFile, 'w')
fcntl.flock(lockFp, fcntl.LOCK_EX | fcntl.LOCK_NB)
except IOError:
lockFile = os.path.join(lockFileDir, self.snaplabel + ".lock")
try:
lockFp = open(lockFile, 'w')
fcntl.flock(lockFp, fcntl.LOCK_EX | fcntl.LOCK_NB)
except IOError: