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diff --git a/src/VBox/Runtime/r3/posix/RTHandleGetStandard-posix.cpp b/src/VBox/Runtime/r3/posix/RTHandleGetStandard-posix.cpp
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+++ b/src/VBox/Runtime/r3/posix/RTHandleGetStandard-posix.cpp
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+/* $Id: RTHandleGetStandard-posix.cpp $ */
+/** @file
+ * IPRT - RTHandleGetStandard, POSIX.
+ */
+
+/*
+ * Copyright (C) 2012-2020 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 <errno.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#ifdef _MSC_VER
+# include <io.h>
+#else
+# include <unistd.h>
+#endif
+
+#include "internal/iprt.h"
+#include <iprt/handle.h>
+
+#include <iprt/file.h>
+#include <iprt/pipe.h>
+#include <iprt/assert.h>
+#include <iprt/errcore.h>
+#include <iprt/log.h>
+
+#include "internal/socket.h"
+
+
+
+RTDECL(int) RTHandleGetStandard(RTHANDLESTD enmStdHandle, PRTHANDLE ph)
+{
+ /*
+ * Validate and convert input.
+ */
+ AssertPtrReturn(ph, VERR_INVALID_POINTER);
+ int fd;
+ switch (enmStdHandle)
+ {
+ case RTHANDLESTD_INPUT: fd = 0; break;
+ case RTHANDLESTD_OUTPUT: fd = 1; break;
+ case RTHANDLESTD_ERROR: fd = 2; break;
+ default:
+ AssertFailedReturn(VERR_INVALID_PARAMETER);
+ }
+
+ /*
+ * Is the requested descriptor valid and which IPRT handle type does it
+ * best map on to?
+ */
+ struct stat st;
+ int rc = fstat(fd, &st);
+ if (rc == -1)
+ return RTErrConvertFromErrno(errno);
+
+ rc = fcntl(fd, F_GETFD, 0);
+ if (rc == -1)
+ return RTErrConvertFromErrno(errno);
+ bool const fInherit = !(rc & FD_CLOEXEC);
+
+ RTHANDLE h;
+ if (S_ISREG(st.st_mode))
+ h.enmType = RTHANDLETYPE_FILE;
+ else if ( S_ISFIFO(st.st_mode)
+ || (st.st_mode == 0 && st.st_nlink == 0 /*see bugs on bsd manpage*/))
+ h.enmType = RTHANDLETYPE_PIPE;
+ else if (S_ISSOCK(st.st_mode))
+ {
+ /** @todo check if it's really a socket... IIRC some OSes reports
+ * anonymouse pips as sockets. */
+ h.enmType = RTHANDLETYPE_SOCKET;
+ }
+#if 0 /** @todo re-enable this when the VFS pipe has been coded up. */
+ else if (isatty(fd))
+ h.enmType = RTHANDLETYPE_PIPE;
+#endif
+ else
+ h.enmType = RTHANDLETYPE_FILE;
+
+ /*
+ * Create the IPRT handle.
+ */
+ switch (h.enmType)
+ {
+ case RTHANDLETYPE_FILE:
+ rc = RTFileFromNative(&h.u.hFile, fd);
+ break;
+
+ case RTHANDLETYPE_PIPE:
+ rc = RTPipeFromNative(&h.u.hPipe, fd,
+ (enmStdHandle == RTHANDLESTD_INPUT ? RTPIPE_N_READ : RTPIPE_N_WRITE)
+ | (fInherit ? RTPIPE_N_INHERIT : 0));
+ break;
+
+ case RTHANDLETYPE_SOCKET:
+ rc = rtSocketCreateForNative(&h.u.hSocket, fd);
+ break;
+
+ default: /* shut up gcc */
+ return VERR_INTERNAL_ERROR;
+ }
+
+ if (RT_SUCCESS(rc))
+ *ph = h;
+
+ return rc;
+}
+