1 files changed, 116 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstFork.cpp b/src/VBox/Runtime/testcase/tstFork.cpp
new file mode 100644
index 00000000..3e212c2c
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstFork.cpp
@@ -0,0 +1,116 @@
+/* $Id: tstFork.cpp $ */
+/** @file
+ * IPRT Testcase - fork() issues.
+ */
+
+/*
+ * Copyright (C) 2009-2022 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/test.h>
+#include <iprt/process.h>
+#include <iprt/stream.h>
+#include <iprt/string.h>
+#include <iprt/initterm.h>
+
+#ifndef RT_OS_WINDOWS
+# include <unistd.h>
+# include <sys/wait.h>
+# include <errno.h>
+#endif
+
+
+int main()
+{
+    /*
+     * Init the runtime and stuff.
+     */
+    RTTEST hTest;
+    int rc = RTTestInitAndCreate("tstFork", &hTest);
+    if (rc)
+        return rc;
+    RTTestBanner(hTest);
+
+#ifdef RT_OS_WINDOWS
+    RTTestPrintf(hTest, RTTESTLVL_ALWAYS, "Skipped\n");
+#else
+    /*
+     * Get values that are supposed to or change across the fork.
+     */
+    RTPROCESS const ProcBefore = RTProcSelf();
+
+    /*
+     * Fork.
+     */
+    pid_t pid = fork();
+    if (pid == 0)
+    {
+        /*
+         * Check that the values has changed.
+         */
+        rc = 0;
+        if (ProcBefore == RTProcSelf())
+        {
+            RTTestFailed(hTest, "%RTproc == %RTproc [child]", ProcBefore, RTProcSelf());
+            rc = 1;
+        }
+        return rc;
+    }
+    if (pid != -1)
+    {
+        /*
+         * Check that the values didn't change.
+         */
+        RTTEST_CHECK(hTest, ProcBefore == RTProcSelf());
+
+        /*
+         * Wait for the child.
+         */
+        rc = 1;
+        while (   waitpid(pid, &rc, 0)
+               && errno == EINTR)
+            rc = 1;
+        if (!WIFEXITED(rc) || WEXITSTATUS(rc) != 0)
+            RTTestFailed(hTest, "rc=%#x", rc);
+    }
+    else
+        RTTestFailed(hTest, "fork() failed: %d - %s", errno, strerror(errno));
+#endif
+
+    /*
+     * Summary
+     */
+    return RTTestSummaryAndDestroy(hTest);
+}
+