1 files changed, 114 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstThread-1.cpp b/src/VBox/Runtime/testcase/tstThread-1.cpp
new file mode 100644
index 00000000..24bcc24f
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstThread-1.cpp
@@ -0,0 +1,114 @@
+/* $Id: tstThread-1.cpp $ */
+/** @file
+ * IPRT Testcase - Thread Testcase no.1.
+ */
+
+/*
+ * Copyright (C) 2006-2023 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/stream.h>
+#include <iprt/initterm.h>
+#include <iprt/errcore.h>
+
+
+/*********************************************************************************************************************************
+*   Global Variables                                                                                                             *
+*********************************************************************************************************************************/
+static unsigned volatile g_cErrors = 0;
+
+
+static DECLCALLBACK(int) tstThread1ReturnImmediately(RTTHREAD hSelf, void *pvUser)
+{
+    RT_NOREF_PV(hSelf); RT_NOREF_PV(pvUser);
+    return VINF_SUCCESS;
+}
+
+
+
+int main(int argc, char **argv)
+{
+    RTR3InitExe(argc, &argv, 0);
+
+    /*
+     * A simple testcase for the termination race we used to have.
+     */
+    RTTHREAD ahThreads[128];
+    RTPrintf("tstThread-1: TESTING - %u waitable immediate return threads\n", RT_ELEMENTS(ahThreads));
+    for (unsigned j = 0; j < 10; j++)
+    {
+        RTPrintf("tstThread-1: Iteration %u...\n", j);
+        for (unsigned i = 0; i < RT_ELEMENTS(ahThreads); i++)
+        {
+            int rc = RTThreadCreate(&ahThreads[i], tstThread1ReturnImmediately, &ahThreads[i], 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "TEST1");
+            if (RT_FAILURE(rc))
+            {
+                RTPrintf("tstThread-1: FAILURE(%d) - %d/%d RTThreadCreate failed, rc=%Rrc\n", __LINE__, i, j, rc);
+                g_cErrors++;
+                ahThreads[i] = NIL_RTTHREAD;
+            }
+        }
+
+        /*
+         * Wait for the threads to complete.
+         */
+        for (unsigned i = 0; i < RT_ELEMENTS(ahThreads); i++)
+            if (ahThreads[i] != NIL_RTTHREAD)
+            {
+                int rc2;
+                int rc = RTThreadWait(ahThreads[i], RT_INDEFINITE_WAIT, &rc2);
+                if (RT_FAILURE(rc))
+                {
+                    RTPrintf("tstThread-1: FAILURE(%d) - %d/%d RTThreadWait failed, rc=%Rrc\n", __LINE__, j, i, rc);
+                    g_cErrors++;
+                }
+                else if (RT_FAILURE(rc2))
+                {
+                    RTPrintf("tstThread-1: FAILURE(%d) - %d/%d Thread failed, rc2=%Rrc\n", __LINE__, j, i, rc2);
+                    g_cErrors++;
+                }
+            }
+    }
+
+    /*
+     * Summary.
+     */
+    if (!g_cErrors)
+        RTPrintf("tstThread-1: SUCCESS\n");
+    else
+        RTPrintf("tstThread-1: FAILURE - %d errors\n", g_cErrors);
+
+    return !!g_cErrors;
+}