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/* $Id: tstRTProcCreatePrf.cpp $ */
/** @file
* IPRT Testcase - RTProcCreate Profiling.
*/
/*
* Copyright (C) 2012-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* 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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