/* $Id: tstSupSem.cpp 56293 2015-06-09 14:23:56Z vboxsync $ */ /** @file * Support Library Testcase - Ring-3 Semaphore interface. */ /* * Copyright (C) 2009-2015 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 #include #include #include #include #include #include #include #include #include #include #include /******************************************************************************* * Structures and Typedefs * *******************************************************************************/ static PSUPDRVSESSION g_pSession; static RTTEST g_hTest; static uint32_t g_cMillies; /* Used by the interruptible tests. */ static DECLCALLBACK(int) tstSupSemInterruptibleSRE(RTTHREAD hSelf, void *pvUser) { SUPSEMEVENT hEvent = (SUPSEMEVENT)pvUser; RTThreadUserSignal(hSelf); return SUPSemEventWaitNoResume(g_pSession, hEvent, g_cMillies); } static DECLCALLBACK(int) tstSupSemInterruptibleMRE(RTTHREAD hSelf, void *pvUser) { SUPSEMEVENTMULTI hEventMulti = (SUPSEMEVENTMULTI)pvUser; RTThreadUserSignal(hSelf); return SUPSemEventMultiWaitNoResume(g_pSession, hEventMulti, g_cMillies); } int main(int argc, char **argv) { bool fSys = true; bool fGip = false; #if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2) fGip = true; #endif /* * Init. */ int rc = RTR3InitExe(argc, &argv, RTR3INIT_FLAGS_SUPLIB); if (RT_FAILURE(rc)) return RTMsgInitFailure(rc); if (argc == 2 && !strcmp(argv[1], "child")) { RTThreadSleep(300); return 0; } RTTEST hTest; rc = RTTestCreate("tstSupSem", &hTest); if (RT_FAILURE(rc)) { RTPrintf("tstSupSem: fatal error: RTTestCreate failed with rc=%Rrc\n", rc); return 1; } g_hTest = hTest; PSUPDRVSESSION pSession; rc = SUPR3Init(&pSession); if (RT_FAILURE(rc)) { RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc); return RTTestSummaryAndDestroy(hTest); } g_pSession = pSession; RTTestBanner(hTest); /* * Basic API checks. */ RTTestSub(hTest, "Single Release Event (SRE) API"); SUPSEMEVENT hEvent = NIL_SUPSEMEVENT; RTTESTI_CHECK_RC(SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 0), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 1), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 2), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 8), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent,20), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventSignal(pSession, hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 0), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventSignal(pSession, hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 1), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventSignal(pSession, hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 2), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventSignal(pSession, hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 8), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventSignal(pSession, hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 20), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventSignal(pSession, hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent,1000),VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventSignal(pSession, hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventSignal(pSession, hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 0), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 0), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 1), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 2), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent, 8), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventWaitNoResume(pSession, hEvent,20), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTESTI_CHECK_RC(SUPSemEventClose(pSession, hEvent), VERR_INVALID_HANDLE); RTTESTI_CHECK_RC(SUPSemEventClose(pSession, NIL_SUPSEMEVENT), VINF_SUCCESS); RTTestSub(hTest, "Multiple Release Event (MRE) API"); SUPSEMEVENTMULTI hEventMulti = NIL_SUPSEMEVENT; RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEventMulti), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 0), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 1), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 2), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 8), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti,20), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiSignal(pSession, hEventMulti), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 0), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 0), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 0), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 1), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 2), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 8), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti,20), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti,1000), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiSignal(pSession, hEventMulti), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiSignal(pSession, hEventMulti), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 0), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiReset(pSession, hEventMulti), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 0), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 1), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 2), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 8), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti,20), VERR_TIMEOUT); RTTESTI_CHECK_RC(SUPSemEventMultiSignal(pSession, hEventMulti), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 0), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 1), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 2), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 8), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti, 20), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiWaitNoResume(pSession, hEventMulti,1000), VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiClose(pSession, hEventMulti), VINF_OBJECT_DESTROYED); RTTESTI_CHECK_RC(SUPSemEventMultiClose(pSession, hEventMulti), VERR_INVALID_HANDLE); RTTESTI_CHECK_RC(SUPSemEventMultiClose(pSession, NIL_SUPSEMEVENTMULTI), VINF_SUCCESS); #if !defined(RT_OS_OS2) && !defined(RT_OS_WINDOWS) RTTestSub(hTest, "SRE Interruptibility"); RTTESTI_CHECK_RC(SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS); g_cMillies = RT_INDEFINITE_WAIT; RTTHREAD hThread = NIL_RTTHREAD; RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemInterruptibleSRE, (void *)hEvent, 0, RTTHREADTYPE_TIMER, RTTHREADFLAGS_WAITABLE, "IntSRE"), VINF_SUCCESS); RTTESTI_CHECK_RC(RTThreadUserWait(hThread, 60*1000), VINF_SUCCESS); RTThreadSleep(120); RTThreadPoke(hThread); int rcThread = VINF_SUCCESS; RTTESTI_CHECK_RC(RTThreadWait(hThread, 60*1000, &rcThread), VINF_SUCCESS); RTTESTI_CHECK_RC(rcThread, VERR_INTERRUPTED); RTTESTI_CHECK_RC(SUPSemEventClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTESTI_CHECK_RC(SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS); g_cMillies = 120*1000; hThread = NIL_RTTHREAD; RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemInterruptibleSRE, (void *)hEvent, 0, RTTHREADTYPE_TIMER, RTTHREADFLAGS_WAITABLE, "IntSRE"), VINF_SUCCESS); RTTESTI_CHECK_RC(RTThreadUserWait(hThread, 60*1000), VINF_SUCCESS); RTThreadSleep(120); RTThreadPoke(hThread); rcThread = VINF_SUCCESS; RTTESTI_CHECK_RC(RTThreadWait(hThread, 60*1000, &rcThread), VINF_SUCCESS); RTTESTI_CHECK_RC(rcThread, VERR_INTERRUPTED); RTTESTI_CHECK_RC(SUPSemEventClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTestSub(hTest, "MRE Interruptibility"); RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEventMulti), VINF_SUCCESS); g_cMillies = RT_INDEFINITE_WAIT; hThread = NIL_RTTHREAD; RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemInterruptibleMRE, (void *)hEventMulti, 0, RTTHREADTYPE_TIMER, RTTHREADFLAGS_WAITABLE, "IntMRE"), VINF_SUCCESS); RTTESTI_CHECK_RC(RTThreadUserWait(hThread, 60*1000), VINF_SUCCESS); RTThreadSleep(120); RTThreadPoke(hThread); rcThread = VINF_SUCCESS; RTTESTI_CHECK_RC(RTThreadWait(hThread, 60*1000, &rcThread), VINF_SUCCESS); RTTESTI_CHECK_RC(rcThread, VERR_INTERRUPTED); RTTESTI_CHECK_RC(SUPSemEventMultiClose(pSession, hEventMulti), VINF_OBJECT_DESTROYED); RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEventMulti), VINF_SUCCESS); g_cMillies = 120*1000; hThread = NIL_RTTHREAD; RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemInterruptibleMRE, (void *)hEventMulti, 0, RTTHREADTYPE_TIMER, RTTHREADFLAGS_WAITABLE, "IntMRE"), VINF_SUCCESS); RTTESTI_CHECK_RC(RTThreadUserWait(hThread, 60*1000), VINF_SUCCESS); RTThreadSleep(120); RTThreadPoke(hThread); rcThread = VINF_SUCCESS; RTTESTI_CHECK_RC(RTThreadWait(hThread, 60*1000, &rcThread), VINF_SUCCESS); RTTESTI_CHECK_RC(rcThread, VERR_INTERRUPTED); RTTESTI_CHECK_RC(SUPSemEventMultiClose(pSession, hEventMulti), VINF_OBJECT_DESTROYED); /* * Fork test. * Spawn a thread waiting for an event, then spawn a new child process (of * ourselves) and make sure that this does not alter the intended behaviour * of our event semaphore implementation (see @bugref{5090}). */ RTTestSub(hTest, "SRE Process Spawn"); hThread = NIL_RTTHREAD; g_cMillies = 120*1000; RTTESTI_CHECK_RC(SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemInterruptibleSRE, (void *)hEvent, 0, RTTHREADTYPE_TIMER, RTTHREADFLAGS_WAITABLE, "IntSRE"), VINF_SUCCESS); const char *apszArgs[3] = { argv[0], "child", NULL }; RTPROCESS Process = NIL_RTPROCESS; RTThreadSleep(250); RTTESTI_CHECK_RC(RTProcCreate(apszArgs[0], apszArgs, RTENV_DEFAULT, 0, &Process), VINF_SUCCESS); RTThreadSleep(250); RTTESTI_CHECK_RC(SUPSemEventSignal(pSession, hEvent), VINF_SUCCESS); rcThread = VERR_GENERAL_FAILURE; RTTESTI_CHECK_RC(RTThreadWait(hThread, 120*1000, &rcThread), VINF_SUCCESS); RTTESTI_CHECK_RC(rcThread, VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTestSub(hTest, "MRE Process Spawn"); hThread = NIL_RTTHREAD; g_cMillies = 120*1000; RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEvent), VINF_SUCCESS); RTTESTI_CHECK_RC(RTThreadCreate(&hThread, tstSupSemInterruptibleMRE, (void *)hEvent, 0, RTTHREADTYPE_TIMER, RTTHREADFLAGS_WAITABLE, "IntSRE"), VINF_SUCCESS); RTTHREAD hThread2 = NIL_RTTHREAD; RTTESTI_CHECK_RC(RTThreadCreate(&hThread2, tstSupSemInterruptibleMRE, (void *)hEvent, 0, RTTHREADTYPE_TIMER, RTTHREADFLAGS_WAITABLE, "IntSRE"), VINF_SUCCESS); Process = NIL_RTPROCESS; RTThreadSleep(250); RTTESTI_CHECK_RC(RTProcCreate(apszArgs[0], apszArgs, RTENV_DEFAULT, 0, &Process), VINF_SUCCESS); RTThreadSleep(250); RTTESTI_CHECK_RC(SUPSemEventMultiSignal(pSession, hEvent), VINF_SUCCESS); rcThread = VERR_GENERAL_FAILURE; RTTESTI_CHECK_RC(RTThreadWait(hThread, 120*1000, &rcThread), VINF_SUCCESS); RTTESTI_CHECK_RC(rcThread, VINF_SUCCESS); int rcThread2 = VERR_GENERAL_FAILURE; RTTESTI_CHECK_RC(RTThreadWait(hThread2, 120*1000, &rcThread2), VINF_SUCCESS); RTTESTI_CHECK_RC(rcThread2, VINF_SUCCESS); RTTESTI_CHECK_RC(SUPSemEventMultiClose(pSession, hEvent), VINF_OBJECT_DESTROYED); #endif /* !OS2 && !WINDOWS */ { #define LOOP_COUNT 20 static unsigned const s_acMsIntervals[] = { 0, 1, 2, 3, 4, 8, 10, 16, 32 }; if (RTTestErrorCount(hTest) == 0) { RTTestSub(hTest, "SRE Timeout Accuracy (ms)"); RTTESTI_CHECK_RC(SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS); uint32_t cInterrupted = 0; for (unsigned i = 0; i < RT_ELEMENTS(s_acMsIntervals); i++) { uint64_t cMs = s_acMsIntervals[i]; uint64_t cNsMinSys = UINT64_MAX; uint64_t cNsMin = UINT64_MAX; uint64_t cNsTotalSys= 0; uint64_t cNsTotal = 0; unsigned cLoops = 0; while (cLoops < LOOP_COUNT) { uint64_t u64StartSys = RTTimeSystemNanoTS(); uint64_t u64Start = RTTimeNanoTS(); int rcX = SUPSemEventWaitNoResume(pSession, hEvent, cMs); uint64_t cNsElapsedSys = RTTimeSystemNanoTS() - u64StartSys; uint64_t cNsElapsed = RTTimeNanoTS() - u64Start; if (rcX == VERR_INTERRUPTED) { cInterrupted++; continue; /* retry */ } if (rcX != VERR_TIMEOUT) RTTestFailed(hTest, "%Rrc cLoops=%u cMs=%u", rcX, cLoops, cMs); if (cNsElapsedSys < cNsMinSys) cNsMinSys = cNsElapsedSys; if (cNsElapsed < cNsMin) cNsMin = cNsElapsed; cNsTotalSys += cNsElapsedSys; cNsTotal += cNsElapsed; cLoops++; } if (fSys) { RTTestValueF(hTest, cNsMinSys, RTTESTUNIT_NS, "%u ms min (clock=sys)", cMs); RTTestValueF(hTest, cNsTotalSys / cLoops, RTTESTUNIT_NS, "%u ms avg (clock=sys)", cMs); } if (fGip) { RTTestValueF(hTest, cNsMin, RTTESTUNIT_NS, "%u ms min (clock=gip)", cMs); RTTestValueF(hTest, cNsTotal / cLoops, RTTESTUNIT_NS, "%u ms avg (clock=gip)", cMs); } } RTTESTI_CHECK_RC(SUPSemEventClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTestValueF(hTest, cInterrupted, RTTESTUNIT_OCCURRENCES, "VERR_INTERRUPTED returned", cInterrupted); } if (RTTestErrorCount(hTest) == 0) { RTTestSub(hTest, "MRE Timeout Accuracy (ms)"); RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEvent), VINF_SUCCESS); uint32_t cInterrupted = 0; for (unsigned i = 0; i < RT_ELEMENTS(s_acMsIntervals); i++) { uint64_t cMs = s_acMsIntervals[i]; uint64_t cNsMinSys = UINT64_MAX; uint64_t cNsMin = UINT64_MAX; uint64_t cNsTotalSys= 0; uint64_t cNsTotal = 0; unsigned cLoops = 0; while (cLoops < LOOP_COUNT) { uint64_t u64StartSys = RTTimeSystemNanoTS(); uint64_t u64Start = RTTimeNanoTS(); int rcX = SUPSemEventMultiWaitNoResume(pSession, hEvent, cMs); uint64_t cNsElapsedSys = RTTimeSystemNanoTS() - u64StartSys; uint64_t cNsElapsed = RTTimeNanoTS() - u64Start; if (rcX == VERR_INTERRUPTED) { cInterrupted++; continue; /* retry */ } if (rcX != VERR_TIMEOUT) RTTestFailed(hTest, "%Rrc cLoops=%u cMs=%u", rcX, cLoops, cMs); if (cNsElapsedSys < cNsMinSys) cNsMinSys = cNsElapsedSys; if (cNsElapsed < cNsMin) cNsMin = cNsElapsed; cNsTotalSys += cNsElapsedSys; cNsTotal += cNsElapsed; cLoops++; } if (fSys) { RTTestValueF(hTest, cNsMinSys, RTTESTUNIT_NS, "%u ms min (clock=sys)", cMs); RTTestValueF(hTest, cNsTotalSys / cLoops, RTTESTUNIT_NS, "%u ms avg (clock=sys)", cMs); } if (fGip) { RTTestValueF(hTest, cNsMin, RTTESTUNIT_NS, "%u ms min (clock=gip)", cMs); RTTestValueF(hTest, cNsTotal / cLoops, RTTESTUNIT_NS, "%u ms avg (clock=gip)", cMs); } } RTTESTI_CHECK_RC(SUPSemEventMultiClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTestValueF(hTest, cInterrupted, RTTESTUNIT_OCCURRENCES, "VERR_INTERRUPTED returned", cInterrupted); } } { static uint32_t const s_acNsIntervals[] = { 0, 1000, 5000, 15000, 30000, 50000, 100000, 250000, 500000, 750000, 900000, 1500000, 2200000 }; if (RTTestErrorCount(hTest) == 0) { RTTestSub(hTest, "SUPSemEventWaitNsRelIntr Accuracy"); RTTestValueF(hTest, SUPSemEventGetResolution(pSession), RTTESTUNIT_NS, "SRE resolution"); RTTESTI_CHECK_RC(SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS); uint32_t cInterrupted = 0; for (unsigned i = 0; i < RT_ELEMENTS(s_acNsIntervals); i++) { uint64_t cNs = s_acNsIntervals[i]; uint64_t cNsMinSys = UINT64_MAX; uint64_t cNsMin = UINT64_MAX; uint64_t cNsTotalSys= 0; uint64_t cNsTotal = 0; unsigned cLoops = 0; while (cLoops < LOOP_COUNT) { uint64_t u64StartSys = RTTimeSystemNanoTS(); uint64_t u64Start = RTTimeNanoTS(); int rcX = SUPSemEventWaitNsRelIntr(pSession, hEvent, cNs); uint64_t cNsElapsedSys = RTTimeSystemNanoTS() - u64StartSys; uint64_t cNsElapsed = RTTimeNanoTS() - u64Start; if (rcX == VERR_INTERRUPTED) { cInterrupted++; continue; /* retry */ } if (rcX != VERR_TIMEOUT) RTTestFailed(hTest, "%Rrc cLoops=%u cNs=%u", rcX, cLoops, cNs); if (cNsElapsedSys < cNsMinSys) cNsMinSys = cNsElapsedSys; if (cNsElapsed < cNsMin) cNsMin = cNsElapsed; cNsTotalSys += cNsElapsedSys; cNsTotal += cNsElapsed; cLoops++; } if (fSys) { RTTestValueF(hTest, cNsMinSys, RTTESTUNIT_NS, "%'u ns min (clock=sys)", cNs); RTTestValueF(hTest, cNsTotalSys / cLoops, RTTESTUNIT_NS, "%'u ns avg (clock=sys)", cNs); } if (fGip) { RTTestValueF(hTest, cNsMin, RTTESTUNIT_NS, "%'u ns min (clock=gip)", cNs); RTTestValueF(hTest, cNsTotal / cLoops, RTTESTUNIT_NS, "%'u ns avg (clock=gip)", cNs); } } RTTESTI_CHECK_RC(SUPSemEventClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTestValueF(hTest, cInterrupted, RTTESTUNIT_OCCURRENCES, "VERR_INTERRUPTED returned", cInterrupted); } if (RTTestErrorCount(hTest) == 0) { RTTestSub(hTest, "SUPSemEventMultiWaitNsRelIntr Accuracy"); RTTestValueF(hTest, SUPSemEventMultiGetResolution(pSession), RTTESTUNIT_NS, "MRE resolution"); RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEvent), VINF_SUCCESS); uint32_t cInterrupted = 0; for (unsigned i = 0; i < RT_ELEMENTS(s_acNsIntervals); i++) { uint64_t cNs = s_acNsIntervals[i]; uint64_t cNsMinSys = UINT64_MAX; uint64_t cNsMin = UINT64_MAX; uint64_t cNsTotalSys= 0; uint64_t cNsTotal = 0; unsigned cLoops = 0; while (cLoops < LOOP_COUNT) { uint64_t u64StartSys = RTTimeSystemNanoTS(); uint64_t u64Start = RTTimeNanoTS(); int rcX = SUPSemEventMultiWaitNsRelIntr(pSession, hEvent, cNs); uint64_t cNsElapsedSys = RTTimeSystemNanoTS() - u64StartSys; uint64_t cNsElapsed = RTTimeNanoTS() - u64Start; if (rcX == VERR_INTERRUPTED) { cInterrupted++; continue; /* retry */ } if (rcX != VERR_TIMEOUT) RTTestFailed(hTest, "%Rrc cLoops=%u cNs=%u", rcX, cLoops, cNs); if (cNsElapsedSys < cNsMinSys) cNsMinSys = cNsElapsedSys; if (cNsElapsed < cNsMin) cNsMin = cNsElapsed; cNsTotalSys += cNsElapsedSys; cNsTotal += cNsElapsed; cLoops++; } if (fSys) { RTTestValueF(hTest, cNsMinSys, RTTESTUNIT_NS, "%'u ns min (clock=sys)", cNs); RTTestValueF(hTest, cNsTotalSys / cLoops, RTTESTUNIT_NS, "%'u ns avg (clock=sys)", cNs); } if (fGip) { RTTestValueF(hTest, cNsMin, RTTESTUNIT_NS, "%'u ns min (clock=gip)", cNs); RTTestValueF(hTest, cNsTotal / cLoops, RTTESTUNIT_NS, "%'u ns avg (clock=gip)", cNs); } } RTTESTI_CHECK_RC(SUPSemEventMultiClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTestValueF(hTest, cInterrupted, RTTESTUNIT_OCCURRENCES, "VERR_INTERRUPTED returned", cInterrupted); } if (RTTestErrorCount(hTest) == 0) { RTTestSub(hTest, "SUPSemEventWaitNsAbsIntr Accuracy"); RTTestValueF(hTest, SUPSemEventGetResolution(pSession), RTTESTUNIT_NS, "MRE resolution"); RTTESTI_CHECK_RC(SUPSemEventCreate(pSession, &hEvent), VINF_SUCCESS); uint32_t cInterrupted = 0; for (unsigned i = 0; i < RT_ELEMENTS(s_acNsIntervals); i++) { uint64_t cNs = s_acNsIntervals[i]; uint64_t cNsMinSys = UINT64_MAX; uint64_t cNsMin = UINT64_MAX; uint64_t cNsTotalSys= 0; uint64_t cNsTotal = 0; unsigned cLoops = 0; while (cLoops < LOOP_COUNT) { uint64_t u64StartSys = RTTimeSystemNanoTS(); uint64_t u64Start = RTTimeNanoTS(); uint64_t uAbsDeadline = (fGip ? u64Start : u64StartSys) + cNs; int rcX = SUPSemEventWaitNsAbsIntr(pSession, hEvent, uAbsDeadline); uint64_t cNsElapsedSys = RTTimeSystemNanoTS() - u64StartSys; uint64_t cNsElapsed = RTTimeNanoTS() - u64Start; if (rcX == VERR_INTERRUPTED) { cInterrupted++; continue; /* retry */ } if (rcX != VERR_TIMEOUT) RTTestFailed(hTest, "%Rrc cLoops=%u cNs=%u", rcX, cLoops, cNs); if (cNsElapsedSys < cNsMinSys) cNsMinSys = cNsElapsedSys; if (cNsElapsed < cNsMin) cNsMin = cNsElapsed; cNsTotalSys += cNsElapsedSys; cNsTotal += cNsElapsed; cLoops++; } if (fSys) { RTTestValueF(hTest, cNsMinSys, RTTESTUNIT_NS, "%'u ns min (clock=sys)", cNs); RTTestValueF(hTest, cNsTotalSys / cLoops, RTTESTUNIT_NS, "%'u ns avg (clock=sys)", cNs); } if (fGip) { RTTestValueF(hTest, cNsMin, RTTESTUNIT_NS, "%'u ns min (clock=gip)", cNs); RTTestValueF(hTest, cNsTotal / cLoops, RTTESTUNIT_NS, "%'u ns avg (clock=gip)", cNs); } } RTTESTI_CHECK_RC(SUPSemEventClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTestValueF(hTest, cInterrupted, RTTESTUNIT_OCCURRENCES, "VERR_INTERRUPTED returned", cInterrupted); } if (RTTestErrorCount(hTest) == 0) { RTTestSub(hTest, "SUPSemEventMultiWaitNsAbsIntr Accuracy"); RTTestValueF(hTest, SUPSemEventMultiGetResolution(pSession), RTTESTUNIT_NS, "MRE resolution"); RTTESTI_CHECK_RC(SUPSemEventMultiCreate(pSession, &hEvent), VINF_SUCCESS); uint32_t cInterrupted = 0; for (unsigned i = 0; i < RT_ELEMENTS(s_acNsIntervals); i++) { uint64_t cNs = s_acNsIntervals[i]; uint64_t cNsMinSys = UINT64_MAX; uint64_t cNsMin = UINT64_MAX; uint64_t cNsTotalSys= 0; uint64_t cNsTotal = 0; unsigned cLoops = 0; while (cLoops < LOOP_COUNT) { uint64_t u64StartSys = RTTimeSystemNanoTS(); uint64_t u64Start = RTTimeNanoTS(); uint64_t uAbsDeadline = (fGip ? u64Start : u64StartSys) + cNs; int rcX = SUPSemEventMultiWaitNsAbsIntr(pSession, hEvent, uAbsDeadline); uint64_t cNsElapsedSys = RTTimeSystemNanoTS() - u64StartSys; uint64_t cNsElapsed = RTTimeNanoTS() - u64Start; if (rcX == VERR_INTERRUPTED) { cInterrupted++; continue; /* retry */ } if (rcX != VERR_TIMEOUT) RTTestFailed(hTest, "%Rrc cLoops=%u cNs=%u", rcX, cLoops, cNs); if (cNsElapsedSys < cNsMinSys) cNsMinSys = cNsElapsedSys; if (cNsElapsed < cNsMin) cNsMin = cNsElapsed; cNsTotalSys += cNsElapsedSys; cNsTotal += cNsElapsed; cLoops++; } if (fSys) { RTTestValueF(hTest, cNsMinSys, RTTESTUNIT_NS, "%'u ns min (clock=sys)", cNs); RTTestValueF(hTest, cNsTotalSys / cLoops, RTTESTUNIT_NS, "%'u ns avg (clock=sys)", cNs); } if (fGip) { RTTestValueF(hTest, cNsMin, RTTESTUNIT_NS, "%'u ns min (clock=gip)", cNs); RTTestValueF(hTest, cNsTotal / cLoops, RTTESTUNIT_NS, "%'u ns avg (clock=gip)", cNs); } } RTTESTI_CHECK_RC(SUPSemEventMultiClose(pSession, hEvent), VINF_OBJECT_DESTROYED); RTTestValueF(hTest, cInterrupted, RTTESTUNIT_OCCURRENCES, "VERR_INTERRUPTED returned", cInterrupted); } } /* * Done. */ return RTTestSummaryAndDestroy(hTest); }