diff options
Diffstat (limited to 'src/VBox/Runtime/testcase/tstRTTls-1.cpp')
-rw-r--r-- | src/VBox/Runtime/testcase/tstRTTls-1.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTTls-1.cpp b/src/VBox/Runtime/testcase/tstRTTls-1.cpp new file mode 100644 index 00000000..6d40f831 --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTTls-1.cpp @@ -0,0 +1,128 @@ +/* $Id: tstRTTls-1.cpp $ */ +/** @file + * IPRT Testcase - Thread Local Storage (TLS). + */ + +/* + * Copyright (C) 2020-2023 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/thread.h> + +#include <iprt/asm.h> +#include <iprt/errcore.h> +#include <iprt/test.h> +#include <iprt/time.h> + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +static RTTEST g_hTest; +static uint32_t volatile g_cDtorCalls = 0; + +/** + * @callback_method_impl{FNRTTLSDTOR} + */ +static DECLCALLBACK(void) testDtorCallback(void *pvValue) +{ + RTTEST_CHECK(g_hTest, pvValue != NULL); + ASMAtomicIncU32(&g_cDtorCalls); +} + + +static DECLCALLBACK(int) testDtorThread1(RTTHREAD hSelf, void *pvUser) +{ + RTTEST_CHECK_RC(g_hTest, RTTlsSet((RTTLS)pvUser, hSelf), VINF_SUCCESS); + return VINF_SUCCESS; +} + + +static void testDtor(void) +{ + RTTestISub("TLS Destructors"); + + g_cDtorCalls = 0; + RTTLS iTls; + int rc = RTTlsAllocEx(&iTls, testDtorCallback); + if (rc == VERR_NOT_SUPPORTED) + { + RTTestSkipped(g_hTest, "RTTlsAllocEx -> VERR_NOT_SUPPORTED"); + return; + } + RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS); + + RTTHREAD ahThreads[16]; + uint32_t cThreads = 0; + while (cThreads < RT_ELEMENTS(ahThreads)) + { + RTTESTI_CHECK_RC_BREAK(RTThreadCreateF(&ahThreads[cThreads], testDtorThread1, (void *)iTls, 0, RTTHREADTYPE_DEFAULT, + RTTHREADFLAGS_WAITABLE, "dtor-%u", cThreads), VINF_SUCCESS); + cThreads++; + } + uint32_t const cExpectedDtorCalls = cThreads; + + while (cThreads-- > 0) + RTTESTI_CHECK_RC(RTThreadWait(ahThreads[cThreads], RT_MS_30SEC, NULL), VINF_SUCCESS); + + /* RTThreadWait will return while the native portition of the thread may + still be shutting down, so we need to fudge a little here. */ + uint64_t const nsStart = RTTimeNanoTS(); + RTMSINTERVAL nsSleep = 2; + while ( ASMAtomicReadU32(&g_cDtorCalls) != cExpectedDtorCalls + && RTTimeNanoTS() - nsStart < RT_NS_10SEC) + { + nsSleep = RT_MAX(nsSleep + 1, 128); + RTThreadSleep(nsSleep); + } + + uint32_t cCalls = ASMAtomicReadU32(&g_cDtorCalls); + if (cCalls != cExpectedDtorCalls) + RTTestFailed(g_hTest, "%u dtor calls, expected %u\n", cCalls, cExpectedDtorCalls); + + RTTESTI_CHECK_RC(RTTlsFree(iTls), VINF_SUCCESS); +} + + +int main() +{ + RTEXITCODE rcExit = RTTestInitAndCreate("tstRTStrCatCopy", &g_hTest); + if (rcExit != RTEXITCODE_SUCCESS) + return rcExit; + + testDtor(); + + return RTTestSummaryAndDestroy(g_hTest); +} + |