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/* $Id: tstRTProcCreatePrf.cpp $ */
/** @file
* IPRT Testcase - RTProcCreate Profiling.
*/
/*
* Copyright (C) 2012-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* 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 *
*********************************************************************************************************************************/
#include <iprt/process.h>
#include <iprt/test.h>
#include <iprt/time.h>
#include <iprt/path.h>
#include <iprt/env.h>
#include <iprt/string.h>
int main(int argc, char **argv)
{
/* the child response. */
if (argc != 1)
return 0;
RTTEST hTest;
RTEXITCODE rcExit = RTTestInitAndCreate("tstRTProcCreatePrf", &hTest);
if (rcExit)
return rcExit;
RTTestBanner(hTest);
char szExecPath[RTPATH_MAX];
if (!RTProcGetExecutablePath(szExecPath, sizeof(szExecPath)))
RTStrCopy(szExecPath, sizeof(szExecPath), argv[0]);
const char *apszArgs[4] = { szExecPath, "child", "process", NULL };
uint64_t NsStart = RTTimeNanoTS();
uint32_t i;
#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2) || defined(RT_OS_DARWIN)
for (i = 0; i < 1000; i++)
#else
for (i = 0; i < 10000; i++)
#endif
{
RTPROCESS hProc;
RTTEST_CHECK_RC_BREAK(hTest, RTProcCreate(szExecPath, apszArgs, RTENV_DEFAULT, 0 /* fFlags*/, &hProc), VINF_SUCCESS);
RTPROCSTATUS ChildStatus;
RTTEST_CHECK_RC_BREAK(hTest, RTProcWait(hProc, RTPROCWAIT_FLAGS_BLOCK, &ChildStatus), VINF_SUCCESS);
RTTEST_CHECK_BREAK(hTest, ChildStatus.enmReason == RTPROCEXITREASON_NORMAL);
RTTEST_CHECK_BREAK(hTest, ChildStatus.iStatus == 0);
}
uint64_t cNsElapsed = RTTimeNanoTS() - NsStart;
if (i)
{
RTTestValue(hTest, "Time per process", cNsElapsed / i, RTTESTUNIT_NS);
}
/*
* Summary.
*/
return RTTestSummaryAndDestroy(hTest);
}
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