Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 120 insertions, 0 deletions

diff --git a/cppu/source/threadpool/threadident.cxx b/cppu/source/threadpool/threadident.cxx
new file mode 100644
index 000000000..16b7c0b27
--- /dev/null
+++ b/cppu/source/threadpool/threadident.cxx
@@ -0,0 +1,120 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <osl/thread.hxx>
+#include <osl/diagnose.h>
+
+#include <rtl/process.h>
+#include <rtl/byteseq.hxx>
+
+#include <uno/threadpool.h>
+
+#include "current.hxx"
+
+using namespace ::std;
+using namespace ::osl;
+using namespace ::cppu;
+
+static void createLocalId( sal_Sequence **ppThreadId )
+{
+    rtl_byte_sequence_constructNoDefault( ppThreadId , 4 + 16 );
+    sal_uInt32 id = osl::Thread::getCurrentIdentifier();
+    (*ppThreadId)->elements[0] = id & 0xFF;
+    (*ppThreadId)->elements[1] = (id >> 8) & 0xFF;
+    (*ppThreadId)->elements[2] = (id >> 16) & 0xFF;
+    (*ppThreadId)->elements[3] = (id >> 24) & 0xFF;
+    rtl_getGlobalProcessId( reinterpret_cast<sal_uInt8 *>(&(*ppThreadId)->elements[4]) );
+}
+
+extern "C" void SAL_CALL
+uno_getIdOfCurrentThread( sal_Sequence **ppThreadId )
+    SAL_THROW_EXTERN_C()
+{
+    IdContainer& id = getIdContainer();
+    if (!id.bInit)
+    {
+        // first time, that the thread enters the bridge
+        createLocalId( ppThreadId );
+
+        // TODO
+        // note : this is a leak !
+        id.pLocalThreadId = *ppThreadId;
+        id.pCurrentId = *ppThreadId;
+        id.nRefCountOfCurrentId = 1;
+        rtl_byte_sequence_acquire( id.pLocalThreadId );
+        rtl_byte_sequence_acquire( id.pCurrentId );
+        id.bInit = true;
+    }
+    else
+    {
+        id.nRefCountOfCurrentId ++;
+        if( *ppThreadId )
+        {
+            rtl_byte_sequence_release( *ppThreadId );
+        }
+        *ppThreadId = id.pCurrentId;
+        rtl_byte_sequence_acquire( *ppThreadId );
+    }
+}
+
+extern "C" void SAL_CALL uno_releaseIdFromCurrentThread()
+    SAL_THROW_EXTERN_C()
+{
+    IdContainer& id = getIdContainer();
+    OSL_ASSERT( id.bInit );
+    OSL_ASSERT( id.nRefCountOfCurrentId );
+
+    id.nRefCountOfCurrentId --;
+    if( ! id.nRefCountOfCurrentId && (id.pLocalThreadId != id.pCurrentId) )
+    {
+        rtl_byte_sequence_assign( &(id.pCurrentId) , id.pLocalThreadId );
+    }
+}
+
+extern "C" sal_Bool SAL_CALL uno_bindIdToCurrentThread( sal_Sequence *pThreadId )
+    SAL_THROW_EXTERN_C()
+{
+    IdContainer& id = getIdContainer();
+    if (!id.bInit)
+    {
+        id.pLocalThreadId = nullptr;
+        createLocalId( &(id.pLocalThreadId) );
+        id.nRefCountOfCurrentId = 1;
+        id.pCurrentId = pThreadId;
+        rtl_byte_sequence_acquire(id.pCurrentId);
+        id.bInit = true;
+    }
+    else
+    {
+        OSL_ASSERT( 0 == id.nRefCountOfCurrentId );
+        if( 0 == id.nRefCountOfCurrentId )
+        {
+            rtl_byte_sequence_assign(&( id.pCurrentId ), pThreadId );
+            id.nRefCountOfCurrentId ++;
+        }
+        else
+        {
+            return false;
+        }
+
+    }
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */