tstRTReqPool.cpp revision 224132d5ac9f727f499ec4507bc1da2a06080c03
/* $Id$ */
/** @file
* IPRT Testcase - Request Thread Pool.
*/
/*
* Copyright (C) 2011 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
/*******************************************************************************
* Global Variables *
*******************************************************************************/
static DECLCALLBACK(int) NopCallback(void)
{
return VINF_SUCCESS;
}
static void test1(void)
{
RTTestISub("Basics");
RTTESTI_CHECK_RC_RETV(RTReqPoolCreate(cMaxThreads, RT_MS_1SEC, 6, 500, "test1", &hPool), VINF_SUCCESS);
RTTESTI_CHECK(RTReqPoolGetCfgVar(hPool, RTREQPOOLCFGVAR_THREAD_TYPE) == (uint64_t)RTTHREADTYPE_DEFAULT);
/* Use no wait requests to maximize the number of worker threads. */
RTTestISub("No wait requests");
for (unsigned i = 0; i < 32; i++)
RTTESTI_CHECK_RC(RTReqPoolCallNoWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)100), VINF_SUCCESS);
/* Check that idle thread shutdown kicks in. This means delaying a bit first. */
RTTestISub("Idle thread shutdown");
for (unsigned i = 0; i < 20; i++)
{
RTTESTI_CHECK_RC(RTReqPoolCallNoWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)10), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTReqPoolCallNoWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)10), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTReqPoolCallWait(hPool, (PFNRT)RTThreadSleep, 1, (RTMSINTERVAL)100), VINF_SUCCESS);
}
RTTESTI_CHECK(RTReqPoolGetStat(hPool, RTREQPOOLSTAT_REQUESTS_FREE) == cMaxFreeReqs || cMaxFreeReqs > 32);
/* Idle shutdown of worker threads should kick in now. */
}
static void test2(void)
{
RTTestISub("Simple Benchmark");
for (unsigned i = 0; i < 10000; i++)
RTTestIValue("total processing time", RTReqPoolGetStat(hPool, RTREQPOOLSTAT_NS_AVERAGE_REQ_PROCESSING), RTTESTUNIT_NS_PER_CALL);
}
int main()
{
if (rcExit != RTEXITCODE_SUCCESS)
return rcExit;
test1();
if (RTTestIErrorCount() == 0)
{
test2();
}
return RTTestSummaryAndDestroy(g_hTest);
}