1 files changed, 118 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..f545ea8a
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstRTTls-1.cpp
@@ -0,0 +1,118 @@
+/* $Id: tstRTTls-1.cpp $ */
+/** @file
+ * IPRT Testcase - Thread Local Storage (TLS).
+ */
+
+/*
+ * Copyright (C) 2020 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/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);
+}
+