diff options
Diffstat (limited to 'src/VBox/Runtime/testcase/tstRTSemEventMulti.cpp')
| -rw-r--r-- | src/VBox/Runtime/testcase/tstRTSemEventMulti.cpp | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTSemEventMulti.cpp b/src/VBox/Runtime/testcase/tstRTSemEventMulti.cpp new file mode 100644 index 00000000..0cbed032 --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTSemEventMulti.cpp @@ -0,0 +1,276 @@ +/* $Id: tstRTSemEventMulti.cpp $ */ +/** @file + * IPRT Testcase - Multiple Release Event Semaphores. + */ + +/* + * Copyright (C) 2009-2023 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/semaphore.h> + +#include <iprt/asm.h> +#include <iprt/assert.h> +#include <iprt/errcore.h> +#include <iprt/rand.h> +#include <iprt/stream.h> +#include <iprt/string.h> +#include <iprt/test.h> +#include <iprt/thread.h> +#include <iprt/time.h> + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** The test handle. */ +static RTTEST g_hTest; + + +static DECLCALLBACK(int) test1Thread1(RTTHREAD ThreadSelf, void *pvUser) +{ + RTSEMEVENTMULTI hSem = *(PRTSEMEVENTMULTI)pvUser; + RT_NOREF_PV(ThreadSelf); + + uint64_t u64 = RTTimeSystemMilliTS(); + RTTEST_CHECK_RC(g_hTest, RTSemEventMultiWait(hSem, 1000), VERR_TIMEOUT); + u64 = RTTimeSystemMilliTS() - u64; + RTTEST_CHECK_MSG(g_hTest, u64 < 1500 && u64 > 950, (g_hTest, "u64=%llu\n", u64)); + + RTTEST_CHECK_RC(g_hTest, RTSemEventMultiWait(hSem, 2000), VINF_SUCCESS); + return VINF_SUCCESS; +} + + +static DECLCALLBACK(int) test1Thread2(RTTHREAD ThreadSelf, void *pvUser) +{ + RTSEMEVENTMULTI hSem = *(PRTSEMEVENTMULTI)pvUser; + RT_NOREF_PV(ThreadSelf); + + RTTEST_CHECK_RC(g_hTest, RTSemEventMultiWait(hSem, RT_INDEFINITE_WAIT), VINF_SUCCESS); + return VINF_SUCCESS; +} + + +static void test1(void) +{ + RTTestISub("Three threads"); + + /* + * Create the threads and let them block on the event multi semaphore. + */ + RTSEMEVENTMULTI hSem; + RTTESTI_CHECK_RC_RETV(RTSemEventMultiCreate(&hSem), VINF_SUCCESS); + + RTTHREAD hThread2; + RTTESTI_CHECK_RC_RETV(RTThreadCreate(&hThread2, test1Thread2, &hSem, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "test2"), VINF_SUCCESS); + RTThreadSleep(100); + + RTTHREAD hThread1; + RTTESTI_CHECK_RC_RETV(RTThreadCreate(&hThread1, test1Thread1, &hSem, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "test1"), VINF_SUCCESS); + + /* Force first thread (which has a timeout of 1 second) to timeout in the + * first wait, and the second wait will succeed. */ + RTTESTI_CHECK_RC(RTThreadSleep(1500), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTSemEventMultiSignal(hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTThreadWait(hThread1, 5000, NULL), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTThreadWait(hThread2, 5000, NULL), VINF_SUCCESS); + RTTESTI_CHECK_RC(RTSemEventMultiDestroy(hSem), VINF_SUCCESS); +} + + +static void testBasicsWaitTimeout(RTSEMEVENTMULTI hSem, unsigned i) +{ + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWait(hSem, 0), VERR_TIMEOUT); +#if 0 + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitNoResume(hSem, 0), VERR_TIMEOUT); +#else + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_RELATIVE, + 0), + VERR_TIMEOUT); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_ABSOLUTE, + RTTimeSystemNanoTS() + 1000*i), + VERR_TIMEOUT); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_ABSOLUTE, + RTTimeNanoTS() + 1000*i), + VERR_TIMEOUT); + + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_RELATIVE, + 0), + VERR_TIMEOUT); +#endif +} + + +static void testBasicsWaitSuccess(RTSEMEVENTMULTI hSem, unsigned i) +{ + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWait(hSem, 0), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWait(hSem, RT_INDEFINITE_WAIT), VINF_SUCCESS); +#if 0 + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitNoResume(hSem, 0), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitNoResume(hSem, RT_INDEFINITE_WAIT), VINF_SUCCESS); +#else + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_RELATIVE, + 0), + VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_INDEFINITE, 0), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, RTSEMWAIT_FLAGS_NORESUME | RTSEMWAIT_FLAGS_INDEFINITE, 0), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_ABSOLUTE, + RTTimeSystemNanoTS() + 1000*i), + VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_ABSOLUTE, + RTTimeNanoTS() + 1000*i), + VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_ABSOLUTE, + 0), + VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_ABSOLUTE, + _1G), + VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_ABSOLUTE, + UINT64_MAX), + VINF_SUCCESS); + + + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_ABSOLUTE, + RTTimeSystemMilliTS() + 1000*i), + VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_ABSOLUTE, + RTTimeMilliTS() + 1000*i), + VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_ABSOLUTE, + 0), + VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_ABSOLUTE, + _1M), + VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiWaitEx(hSem, + RTSEMWAIT_FLAGS_RESUME | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_ABSOLUTE, + UINT64_MAX), + VINF_SUCCESS); +#endif +} + + +static void testBasics(void) +{ + RTTestISub("Basics"); + + RTSEMEVENTMULTI hSem; + RTTESTI_CHECK_RC_RETV(RTSemEventMultiCreate(&hSem), VINF_SUCCESS); + + /* The semaphore is created in a reset state, calling reset explicitly + shouldn't make any difference. */ + testBasicsWaitTimeout(hSem, 0); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiReset(hSem), VINF_SUCCESS); + testBasicsWaitTimeout(hSem, 1); + if (RTTestIErrorCount()) + return; + + /* When signalling the semaphore all successive wait calls shall + succeed, signalling it again should make no difference. */ + RTTESTI_CHECK_RC_RETV(RTSemEventMultiSignal(hSem), VINF_SUCCESS); + testBasicsWaitSuccess(hSem, 2); + if (RTTestIErrorCount()) + return; + + /* After resetting it we should time out again. */ + RTTESTI_CHECK_RC_RETV(RTSemEventMultiReset(hSem), VINF_SUCCESS); + testBasicsWaitTimeout(hSem, 3); + if (RTTestIErrorCount()) + return; + + /* The number of resets or signal calls shouldn't matter. */ + RTTESTI_CHECK_RC_RETV(RTSemEventMultiReset(hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiReset(hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiReset(hSem), VINF_SUCCESS); + testBasicsWaitTimeout(hSem, 4); + + RTTESTI_CHECK_RC_RETV(RTSemEventMultiSignal(hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiSignal(hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiSignal(hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiSignal(hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiSignal(hSem), VINF_SUCCESS); + testBasicsWaitSuccess(hSem, 5); + + RTTESTI_CHECK_RC_RETV(RTSemEventMultiReset(hSem), VINF_SUCCESS); + testBasicsWaitTimeout(hSem, 6); + + /* Destroy it. */ + RTTESTI_CHECK_RC_RETV(RTSemEventMultiDestroy(hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiDestroy(NIL_RTSEMEVENTMULTI), VINF_SUCCESS); + + /* Whether it is reset (above), signalled or not used shouldn't matter. */ + RTTESTI_CHECK_RC_RETV(RTSemEventMultiCreate(&hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiSignal(hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiDestroy(hSem), VINF_SUCCESS); + + RTTESTI_CHECK_RC_RETV(RTSemEventMultiCreate(&hSem), VINF_SUCCESS); + RTTESTI_CHECK_RC_RETV(RTSemEventMultiDestroy(hSem), VINF_SUCCESS); + + RTTestISubDone(); +} + + +int main(int argc, char **argv) +{ + RT_NOREF_PV(argc); RT_NOREF_PV(argv); + + RTEXITCODE rcExit = RTTestInitAndCreate("tstRTSemEventMulti", &g_hTest); + if (rcExit != RTEXITCODE_SUCCESS) + return rcExit; + + testBasics(); + if (!RTTestErrorCount(g_hTest)) + { + test1(); + } + + return RTTestSummaryAndDestroy(g_hTest); +} + |