event.py revision 5879:e9f9c0f7e5f0
1# Copyright (c) 2006 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright 9# notice, this list of conditions and the following disclaimer in the 10# documentation and/or other materials provided with the distribution; 11# neither the name of the copyright holders nor the names of its 12# contributors may be used to endorse or promote products derived from 13# this software without specific prior written permission. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Nathan Binkert 28 29import m5 30import internal.event 31 32from internal.event import PythonEvent, SimLoopExitEvent as SimExit 33 34mainq = internal.event.cvar.mainEventQueue 35 36def create(obj, priority=None): 37 if priority is None: 38 priority = Event.Default_Pri 39 return PythonEvent(obj, priority) 40 41 42# As a reminder, priorities found in sim/eventq.hh are stuck into the 43# Event class by swig 44class Event(PythonEvent): 45 def __init__(self, priority=None): 46 if priority is None: 47 priority = Event.Default_Pri 48 super(Event, self).__init__(self, priority) 49 50class ProgressEvent(Event): 51 def __init__(self, eventq, period): 52 super(ProgressEvent, self).__init__() 53 self.period = int(period) 54 self.eventq = eventq 55 self.eventq.schedule(self, m5.curTick() + self.period) 56 57 def __call__(self): 58 print "Progress! Time now %fs" % (m5.curTick()/1e12) 59 self.eventq.schedule(self, m5.curTick() + self.period) 60 61__all__ = [ 'create', 'Event', 'ProgressEvent', 'SimExit', 'mainq' ] 62