Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/src/VBox/Runtime/generic/RTSemMutexRequest-generic.cpp b/src/VBox/Runtime/generic/RTSemMutexRequest-generic.cpp
new file mode 100644
index 00000000..2a2d4010
--- /dev/null
+++ b/src/VBox/Runtime/generic/RTSemMutexRequest-generic.cpp
@@ -0,0 +1,67 @@
+/* $Id: RTSemMutexRequest-generic.cpp $ */
+/** @file
+ * IPRT - RTSemMutexRequest, generic RTSemMutexRequestNoResume wrapper.
+ */
+
+/*
+ * Copyright (C) 2006-2019 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                                                                                                                 *
+*********************************************************************************************************************************/
+#define RTSEMMUTEX_WITHOUT_REMAPPING
+#define LOG_GROUP RTLOGGROUP_SEM
+#include <iprt/semaphore.h>
+#include "internal/iprt.h"
+
+#include <iprt/time.h>
+#include <iprt/errcore.h>
+#include <iprt/assert.h>
+
+
+RTDECL(int) RTSemMutexRequest(RTSEMMUTEX Mutex, RTMSINTERVAL cMillies)
+{
+    int rc;
+    if (cMillies == RT_INDEFINITE_WAIT)
+    {
+        do rc = RTSemMutexRequestNoResume(Mutex, cMillies);
+        while (rc == VERR_INTERRUPTED);
+    }
+    else
+    {
+        const uint64_t u64Start = RTTimeMilliTS();
+        rc = RTSemMutexRequestNoResume(Mutex, cMillies);
+        if (rc == VERR_INTERRUPTED)
+        {
+            do
+            {
+                uint64_t u64Elapsed = RTTimeMilliTS() - u64Start;
+                if (u64Elapsed >= cMillies)
+                    return VERR_TIMEOUT;
+                rc = RTSemMutexRequestNoResume(Mutex, cMillies - (RTMSINTERVAL)u64Elapsed);
+            } while (rc == VERR_INTERRUPTED);
+        }
+    }
+    return rc;
+}
+RT_EXPORT_SYMBOL(RTSemMutexRequest);
+