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Diffstat (limited to 'src/VBox/Runtime/testcase/tstSemPingPong.cpp')
| -rw-r--r-- | src/VBox/Runtime/testcase/tstSemPingPong.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstSemPingPong.cpp b/src/VBox/Runtime/testcase/tstSemPingPong.cpp new file mode 100644 index 00000000..beb0e48e --- /dev/null +++ b/src/VBox/Runtime/testcase/tstSemPingPong.cpp @@ -0,0 +1,171 @@ +/* $Id: tstSemPingPong.cpp $ */ +/** @file + * IPRT Testcase - RTSemPing/RTSemPong. + */ + +/* + * Copyright (C) 2006-2019 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/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; +} + |