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/*
* Copyright (c) 2002-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string>
#include "base/callback.hh"
#include "base/hostinfo.hh"
#include "sim/eventq.hh"
#include "sim/param.hh"
#include "sim/sim_events.hh"
#include "sim/sim_exit.hh"
#include "sim/startup.hh"
#include "sim/stats.hh"
using namespace std;
//
// handle termination event
//
void
SimExitEvent::process()
{
// This event does not autodelete because exitNow may be called,
// and the function will never be allowed to finish.
if (theQueue() == &mainEventQueue) {
string _cause = cause;
int _code = code;
delete this;
exitNow(_cause, _code);
} else {
new SimExitEvent(cause, code);
delete this;
}
}
const char *
SimExitEvent::description()
{
return "simulation termination";
}
//
// constructor: automatically schedules at specified time
//
CountedExitEvent::CountedExitEvent(EventQueue *q, const std::string &_cause,
Tick _when, int &_downCounter)
: Event(q, Sim_Exit_Pri),
cause(_cause),
downCounter(_downCounter)
{
// catch stupid mistakes
assert(downCounter > 0);
schedule(_when);
}
//
// handle termination event
//
void
CountedExitEvent::process()
{
if (--downCounter == 0) {
new SimExitEvent(cause, 0);
}
}
const char *
CountedExitEvent::description()
{
return "counted exit";
}
#ifdef CHECK_SWAP_CYCLES
new CheckSwapEvent(&mainEventQueue, CHECK_SWAP_CYCLES);
#endif
void
CheckSwapEvent::process()
{
/* Check the amount of free swap space */
long swap;
/* returns free swap in KBytes */
swap = procInfo("/proc/meminfo", "SwapFree:");
if (swap < 1000)
ccprintf(cerr, "\a\a\aWarning! Swap space is low (%d)\n", swap);
if (swap < 100) {
cerr << "\a\aAborting Simulation! Inadequate swap space!\n\n";
new SimExitEvent("Lack of swap space");
}
schedule(curTick + interval);
}
const char *
CheckSwapEvent::description()
{
return "check swap";
}
//
// handle progress event: print message and reschedule
//
void
ProgressEvent::process()
{
DPRINTFN("ProgressEvent\n");
// reschedule for next interval
schedule(curTick + interval);
}
const char *
ProgressEvent::description()
{
return "progress message";
}
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