tstOnce.cpp revision 230bd8589bba39933ac5ec21482d6186d675e604
c74832c7184337c330041742d88e6dacaa07b378vboxsync/* $Id$ */
c74832c7184337c330041742d88e6dacaa07b378vboxsync/** @file
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync * IPRT Testcase - RTOnce.
d192cc72774b02a0df2fdd46350d418236ac09aevboxsync */
d192cc72774b02a0df2fdd46350d418236ac09aevboxsync
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync/*
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Copyright (C) 2008 Oracle Corporation
c74832c7184337c330041742d88e6dacaa07b378vboxsync *
c74832c7184337c330041742d88e6dacaa07b378vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * available from http://www.virtualbox.org. This file is free software;
c74832c7184337c330041742d88e6dacaa07b378vboxsync * you can redistribute it and/or modify it under the terms of the GNU
c74832c7184337c330041742d88e6dacaa07b378vboxsync * General Public License (GPL) as published by the Free Software
c74832c7184337c330041742d88e6dacaa07b378vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
c74832c7184337c330041742d88e6dacaa07b378vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync *
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * The contents of this file may alternatively be used under the terms
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * of the Common Development and Distribution License Version 1.0
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * VirtualBox OSE distribution, in which case the provisions of the
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * CDDL are applicable instead of those of the GPL.
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync *
c74832c7184337c330041742d88e6dacaa07b378vboxsync * You may elect to license modified versions of this file under the
c74832c7184337c330041742d88e6dacaa07b378vboxsync * terms and conditions of either the GPL or the CDDL or both.
c74832c7184337c330041742d88e6dacaa07b378vboxsync */
c74832c7184337c330041742d88e6dacaa07b378vboxsync
c74832c7184337c330041742d88e6dacaa07b378vboxsync/*******************************************************************************
c74832c7184337c330041742d88e6dacaa07b378vboxsync* Header Files *
da957c069c2a3c582fe265ff88170ce4c42b499dvboxsync*******************************************************************************/
c74832c7184337c330041742d88e6dacaa07b378vboxsync#include <iprt/once.h>
c74832c7184337c330041742d88e6dacaa07b378vboxsync#include <iprt/stream.h>
c74832c7184337c330041742d88e6dacaa07b378vboxsync#include <iprt/initterm.h>
c74832c7184337c330041742d88e6dacaa07b378vboxsync#include <iprt/thread.h>
c74832c7184337c330041742d88e6dacaa07b378vboxsync#include <iprt/semaphore.h>
c74832c7184337c330041742d88e6dacaa07b378vboxsync#include <iprt/string.h>
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync#include <iprt/err.h>
c74832c7184337c330041742d88e6dacaa07b378vboxsync#include <iprt/asm.h>
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync/*******************************************************************************
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync* Global Variables *
c74832c7184337c330041742d88e6dacaa07b378vboxsync*******************************************************************************/
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic int g_cErrors = 0;
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic bool g_fOnceCB1 = false;
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic uint32_t volatile g_cOnce2CB = 0;
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic bool volatile g_fOnce2Ready = false;
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic RTONCE g_Once2 = RTONCE_INITIALIZER;
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic RTSEMEVENTMULTI g_hEventMulti = NIL_RTSEMEVENTMULTI;
c74832c7184337c330041742d88e6dacaa07b378vboxsync
c74832c7184337c330041742d88e6dacaa07b378vboxsync
c74832c7184337c330041742d88e6dacaa07b378vboxsyncstatic DECLCALLBACK(int) Once1CB(void *pvUser1, void *pvUser2)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync{
c74832c7184337c330041742d88e6dacaa07b378vboxsync if (g_fOnceCB1)
c74832c7184337c330041742d88e6dacaa07b378vboxsync return VERR_WRONG_ORDER;
c74832c7184337c330041742d88e6dacaa07b378vboxsync if (pvUser1 != (void *)1 || pvUser2 != (void *)42)
c74832c7184337c330041742d88e6dacaa07b378vboxsync {
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTPrintf("tstOnce: ERROR - Once1CB: pvUser1=%p pvUser2=%p!\n", pvUser1, pvUser2);
c74832c7184337c330041742d88e6dacaa07b378vboxsync g_cErrors++;
c74832c7184337c330041742d88e6dacaa07b378vboxsync return VERR_INVALID_PARAMETER;
c74832c7184337c330041742d88e6dacaa07b378vboxsync }
c74832c7184337c330041742d88e6dacaa07b378vboxsync return VINF_SUCCESS;
c74832c7184337c330041742d88e6dacaa07b378vboxsync}
4fbca3751fe239da5934c23a783c3422618336e8vboxsync
4fbca3751fe239da5934c23a783c3422618336e8vboxsync
4fbca3751fe239da5934c23a783c3422618336e8vboxsyncstatic DECLCALLBACK(int) Once2CB(void *pvUser1, void *pvUser2)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync{
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (ASMAtomicIncU32(&g_cOnce2CB) != 1)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync {
4fbca3751fe239da5934c23a783c3422618336e8vboxsync RTPrintf("tstOnce: ERROR - Once2CB: g_cOnce2CB not zero!\n");
4fbca3751fe239da5934c23a783c3422618336e8vboxsync g_cErrors++;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync return VERR_WRONG_ORDER;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync }
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (pvUser1 != (void *)42 || pvUser2 != (void *)1)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync {
4fbca3751fe239da5934c23a783c3422618336e8vboxsync RTPrintf("tstOnce: ERROR - Once2CB: pvUser1=%p pvUser2=%p!\n", pvUser1, pvUser2);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync g_cErrors++;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync return VERR_INVALID_PARAMETER;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync }
4fbca3751fe239da5934c23a783c3422618336e8vboxsync RTThreadSleep(2);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync Assert(!g_fOnce2Ready);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync ASMAtomicWriteBool(&g_fOnce2Ready, true);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync return VINF_SUCCESS;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync}
4fbca3751fe239da5934c23a783c3422618336e8vboxsync
4fbca3751fe239da5934c23a783c3422618336e8vboxsyncstatic DECLCALLBACK(int) Once2Thread(RTTHREAD hThread, void *pvUser)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync{
4fbca3751fe239da5934c23a783c3422618336e8vboxsync NOREF(hThread); NOREF(pvUser);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync
4fbca3751fe239da5934c23a783c3422618336e8vboxsync int rc = RTSemEventMultiWait(g_hEventMulti, RT_INDEFINITE_WAIT);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (RT_FAILURE(rc))
4fbca3751fe239da5934c23a783c3422618336e8vboxsync return rc;
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync rc = RTOnce(&g_Once2, Once2CB, (void *)42, (void *)1);
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync if (RT_SUCCESS(rc))
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync {
c74832c7184337c330041742d88e6dacaa07b378vboxsync if (!ASMAtomicUoReadBool(&g_fOnce2Ready))
c74832c7184337c330041742d88e6dacaa07b378vboxsync {
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTPrintf("tstOnce: ERROR - Once2CB: Not initialized!\n");
c74832c7184337c330041742d88e6dacaa07b378vboxsync g_cErrors++;
c74832c7184337c330041742d88e6dacaa07b378vboxsync }
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync }
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync return rc;
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync}
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsyncint main()
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync{
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTR3InitExeNoArguments(0);
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync
c74832c7184337c330041742d88e6dacaa07b378vboxsync /*
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync * Just a simple testcase.
c74832c7184337c330041742d88e6dacaa07b378vboxsync */
0c34933fc8f84dd5183d1897881bbc7683d24541vboxsync RTPrintf("tstOnce: TESTING - smoke...\n");
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTONCE Once1 = RTONCE_INITIALIZER;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync g_fOnceCB1 = false;
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync int rc = RTOnce(&Once1, Once1CB, (void *)1, (void *)42);
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync if (rc != VINF_SUCCESS)
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTPrintf("tstOnce: ERROR - Once1, 1 failed, rc=%Rrc\n", rc);
c74832c7184337c330041742d88e6dacaa07b378vboxsync g_fOnceCB1 = false;
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = RTOnce(&Once1, Once1CB, (void *)1, (void *)42);
c74832c7184337c330041742d88e6dacaa07b378vboxsync if (rc != VINF_SUCCESS)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync RTPrintf("tstOnce: ERROR - Once1, 2 failed, rc=%Rrc\n", rc);
4fbca3751fe239da5934c23a783c3422618336e8vboxsync
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /*
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * Throw a bunch of threads up against a init once thing.
4fbca3751fe239da5934c23a783c3422618336e8vboxsync */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync RTPrintf("tstOnce: TESTING - bunch of threads...\n");
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /* create the semaphore they'll be waiting on. */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync rc = RTSemEventMultiCreate(&g_hEventMulti);
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync if (RT_FAILURE(rc))
4fbca3751fe239da5934c23a783c3422618336e8vboxsync {
4fbca3751fe239da5934c23a783c3422618336e8vboxsync RTPrintf("tstOnce: FATAL ERROR - RTSemEventMultiCreate returned %Rrc\n", rc);
c74832c7184337c330041742d88e6dacaa07b378vboxsync return 1;
c74832c7184337c330041742d88e6dacaa07b378vboxsync }
4fbca3751fe239da5934c23a783c3422618336e8vboxsync
c74832c7184337c330041742d88e6dacaa07b378vboxsync /* create the threads */
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTTHREAD aThreads[32];
c74832c7184337c330041742d88e6dacaa07b378vboxsync for (unsigned i = 0; i < RT_ELEMENTS(aThreads); i++)
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync {
c74832c7184337c330041742d88e6dacaa07b378vboxsync char szName[16];
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTStrPrintf(szName, sizeof(szName), "ONCE2-%d\n", i);
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = RTThreadCreate(&aThreads[i], Once2Thread, NULL, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, szName);
c74832c7184337c330041742d88e6dacaa07b378vboxsync if (RT_FAILURE(rc))
c74832c7184337c330041742d88e6dacaa07b378vboxsync {
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTPrintf("tstOnce: ERROR - failed to create thread #%d\n", i);
c74832c7184337c330041742d88e6dacaa07b378vboxsync g_cErrors++;
c74832c7184337c330041742d88e6dacaa07b378vboxsync }
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync }
c74832c7184337c330041742d88e6dacaa07b378vboxsync
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync /* kick them off and yield */
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = RTSemEventMultiSignal(g_hEventMulti);
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync if (RT_FAILURE(rc))
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync {
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync RTPrintf("tstOnce: FATAL ERROR - RTSemEventMultiSignal returned %Rrc\n", rc);
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync return 1;
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync }
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTThreadYield();
c74832c7184337c330041742d88e6dacaa07b378vboxsync
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /* wait for all of them to finish up, 30 seconds each. */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync for (unsigned i = 0; i < RT_ELEMENTS(aThreads); i++)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (aThreads[i] != NIL_RTTHREAD)
4fbca3751fe239da5934c23a783c3422618336e8vboxsync {
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync int rc2;
c74832c7184337c330041742d88e6dacaa07b378vboxsync rc = RTThreadWait(aThreads[i], 30*1000, &rc2);
a6e58d30b4d856cf924fda15cd743fed386fff93vboxsync if (RT_FAILURE(rc))
509c0d9c2c05b40f3f07f79e44c06c9395c1b293vboxsync {
4fbca3751fe239da5934c23a783c3422618336e8vboxsync RTPrintf("tstOnce: ERROR - RTThreadWait on thread #%u returned %Rrc\n", i, rc);
c74832c7184337c330041742d88e6dacaa07b378vboxsync g_cErrors++;
4fbca3751fe239da5934c23a783c3422618336e8vboxsync }
4fbca3751fe239da5934c23a783c3422618336e8vboxsync else if (RT_FAILURE(rc2))
c74832c7184337c330041742d88e6dacaa07b378vboxsync {
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync RTPrintf("tstOnce: ERROR - Thread #%u returned %Rrc\n", i, rc2);
c74832c7184337c330041742d88e6dacaa07b378vboxsync g_cErrors++;
c74832c7184337c330041742d88e6dacaa07b378vboxsync }
c74832c7184337c330041742d88e6dacaa07b378vboxsync }
4fbca3751fe239da5934c23a783c3422618336e8vboxsync
4fbca3751fe239da5934c23a783c3422618336e8vboxsync /*
4fbca3751fe239da5934c23a783c3422618336e8vboxsync * Summary.
120ee2736ed70b5ce8b0b4dd73cc4f8b4b9416c1vboxsync */
4fbca3751fe239da5934c23a783c3422618336e8vboxsync if (!g_cErrors)
509c0d9c2c05b40f3f07f79e44c06c9395c1b293vboxsync RTPrintf("tstOnce: SUCCESS\n");
4fbca3751fe239da5934c23a783c3422618336e8vboxsync else
c74832c7184337c330041742d88e6dacaa07b378vboxsync RTPrintf("tstOnce: FAILURE - %d errors\n", g_cErrors);
c74832c7184337c330041742d88e6dacaa07b378vboxsync
c74832c7184337c330041742d88e6dacaa07b378vboxsync return !!g_cErrors;
c74832c7184337c330041742d88e6dacaa07b378vboxsync}
c74832c7184337c330041742d88e6dacaa07b378vboxsync
c74832c7184337c330041742d88e6dacaa07b378vboxsync