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-rw-r--r--src/VBox/Runtime/testcase/tstFork.cpp106
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diff --git a/src/VBox/Runtime/testcase/tstFork.cpp b/src/VBox/Runtime/testcase/tstFork.cpp
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+/* $Id: tstFork.cpp $ */
+/** @file
+ * IPRT Testcase - fork() issues.
+ */
+
+/*
+ * Copyright (C) 2009-2019 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/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);
+}
+