#!/usr/bin/env python
# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
"""
BitBake 'RunQueue' implementation
Handles preparation and execution of a queue of tasks
"""
# Copyright (C) 2006-2007 Richard Purdie
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import bb, os, sys
import subprocess
from bb import msg, data, event
import signal
import stat
import fcntl
import copy
try:
import cPickle as pickle
except ImportError:
import pickle
bb.msg.note(1, bb.msg.domain.Cache, "Importing cPickle failed. Falling back to a very slow implementation.")
class RunQueueStats:
"""
Holds statistics on the tasks handled by the associated runQueue
"""
def __init__(self, total):
self.completed = 0
self.skipped = 0
self.failed = 0
self.active = 0
self.total = total
def taskFailed(self):
self.active = self.active - 1
self.failed = self.failed + 1
def taskCompleted(self, number = 1):
self.active = self.active - number
self.completed = self.completed + number
def taskSkipped(self, number = 1):
self.active = self.active + number
self.skipped = self.skipped + number
def taskActive(self):
self.active = self.active + 1
# These values indicate the next step due to be run in the
# runQueue state machine</
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