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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* interval.cpp - a test program */
#include "rclock.h"
#include "rcthread.h"
#include "rcinrval.h"
#include "rccv.h"
#include <prio.h>
#include <prlog.h>
#include <prprf.h>
#define DEFAULT_ITERATIONS 100
PRIntn main(PRIntn argc, char **argv)
{
RCLock ml;
PRStatus rv;
RCCondition cv(&ml);
RCInterval now, timeout, epoch, elapsed;
PRFileDesc *output = PR_GetSpecialFD(PR_StandardOutput);
PRIntn msecs, seconds, loops, iterations = DEFAULT_ITERATIONS;
/* slow, agonizing waits */
for (seconds = 0; seconds < 10; ++seconds)
{
timeout = RCInterval::FromSeconds(seconds);
cv.SetTimeout(timeout);
{
RCEnter lock(&ml);
epoch.SetToNow();
rv = cv.Wait();
PR_ASSERT(PR_SUCCESS == rv);
now = RCInterval(RCInterval::now);
elapsed = now - epoch;
}
PR_fprintf(
output, "Waiting %u seconds took %s%u milliseconds\n",
seconds, ((elapsed < timeout)? "**" : ""),
elapsed.ToMilliseconds());
}
/* more slow, agonizing sleeps */
for (seconds = 0; seconds < 10; ++seconds)
{
timeout = RCInterval::FromSeconds(seconds);
{
epoch.SetToNow();
rv = RCThread::Sleep(timeout);
PR_ASSERT(PR_SUCCESS == rv);
now = RCInterval(RCInterval::now);
elapsed = now - epoch;
}
PR_fprintf(
output, "Sleeping %u seconds took %s%u milliseconds\n",
seconds, ((elapsed < timeout)? "**" : ""),
elapsed.ToMilliseconds());
}
/* fast, spritely little devils */
for (msecs = 10; msecs < 100; msecs += 10)
{
timeout = RCInterval::FromMilliseconds(msecs);
cv.SetTimeout(timeout);
{
RCEnter lock(&ml);
epoch.SetToNow();
for (loops = 0; loops < iterations; ++loops)
{
rv = cv.Wait();
PR_ASSERT(PR_SUCCESS == rv);
}
now = RCInterval(RCInterval::now);
elapsed = now - epoch;
}
elapsed /= iterations;
PR_fprintf(
output, "Waiting %u msecs took %s%u milliseconds average\n",
msecs, ((elapsed < timeout)? "**" : ""), elapsed.ToMilliseconds());
}
return 0;
} /* main */
/* interval.cpp */
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