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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /cppu/source/threadpool/threadident.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'cppu/source/threadpool/threadident.cxx')
-rw-r--r-- | cppu/source/threadpool/threadident.cxx | 120 |
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: */ |