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/* $Id: tstSemPingPong.cpp $ */
/** @file
* IPRT Testcase - RTSemPing/RTSemPong.
*/
/*
* Copyright (C) 2006-2020 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/semaphore.h>
#include <iprt/string.h>
#include <iprt/stream.h>
#include <iprt/initterm.h>
#include <iprt/thread.h>
#include <iprt/asm.h>
/*********************************************************************************************************************************
* Defined Constants And Macros *
*********************************************************************************************************************************/
#define TSTSEMPINGPONG_ITERATIONS 1000000
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
static volatile uint32_t g_cErrors = 0;
static DECLCALLBACK(int) tstSemPingPongThread(RTTHREAD hThread, void *pvPP)
{
RT_NOREF_PV(hThread);
int rc = VINF_SUCCESS; /* (MSC powers of deduction are rather weak. sigh) */
PRTPINGPONG pPP = (PRTPINGPONG)pvPP;
for (uint32_t i = 0; i < TSTSEMPINGPONG_ITERATIONS; i++)
{
if (!RTSemPongShouldWait(pPP))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPongShouldWait returned false before RTSemPongWait.\n");
}
rc = RTSemPongWait(pPP, RT_INDEFINITE_WAIT);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPongWait -> %Rrc\n", rc);
break;
}
if (!RTSemPongIsSpeaker(pPP))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPongIsSpeaker returned false before RTSemPong.\n");
}
rc = RTSemPong(pPP);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPong -> %Rrc\n", rc);
break;
}
}
return rc;
}
int main()
{
RTR3InitExeNoArguments(0);
/*
* Create a ping pong and kick off a second thread which we'll
* exchange TSTSEMPINGPONG_ITERATIONS messages with.
*/
RTPINGPONG PingPong;
int rc = RTSemPingPongInit(&PingPong);
if (RT_FAILURE(rc))
{
RTPrintf("tstSemPingPong: FATAL ERROR - RTSemPingPongInit -> %Rrc\n", rc);
return 1;
}
RTTHREAD hThread;
rc = RTThreadCreate(&hThread, tstSemPingPongThread, &PingPong, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "PONG");
if (RT_FAILURE(rc))
{
RTPrintf("tstSemPingPong: FATAL ERROR - RTSemPingPongInit -> %Rrc\n", rc);
return 1;
}
RTPrintf("tstSemPingPong: TESTING - %u iterations...\n", TSTSEMPINGPONG_ITERATIONS);
for (uint32_t i = 0; i < TSTSEMPINGPONG_ITERATIONS; i++)
{
if (!RTSemPingIsSpeaker(&PingPong))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingIsSpeaker returned false before RTSemPing.\n");
}
rc = RTSemPing(&PingPong);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPing -> %Rrc\n", rc);
break;
}
if (!RTSemPingShouldWait(&PingPong))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingShouldWait returned false before RTSemPingWait.\n");
}
rc = RTSemPingWait(&PingPong, RT_INDEFINITE_WAIT);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingWait -> %Rrc\n", rc);
break;
}
}
int rcThread;
rc = RTThreadWait(hThread, 5000, &rcThread);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingWait -> %Rrc\n", rc);
}
rc = RTSemPingPongDelete(&PingPong);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingPongDestroy -> %Rrc\n", rc);
}
/*
* Summary.
*/
uint32_t cErrors = ASMAtomicUoReadU32(&g_cErrors);
if (cErrors)
RTPrintf("tstSemPingPong: FAILED - %d errors\n", cErrors);
else
RTPrintf("tstSemPingPong: SUCCESS\n");
return cErrors ? 1 : 0;
}
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