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authorhjk <qtc-committer@nokia.com>2009-01-26 16:19:24 +0100
committerhjk <qtc-committer@nokia.com>2009-01-26 16:19:24 +0100
commitfe0533de2a634ca377c2d8a0073e0eb2cbf89abf (patch)
tree29d3d30e6cc5a1068a94097a5660bc4d133a205f /src/shared/cplusplus/MemoryPool.cpp
parentc85ba53365d606192069a841ed806979f17d80bc (diff)
downloadqt-creator-fe0533de2a634ca377c2d8a0073e0eb2cbf89abf.tar.gz
Fixes: move all files in shared/* to src/shared/*
Diffstat (limited to 'src/shared/cplusplus/MemoryPool.cpp')
-rw-r--r--src/shared/cplusplus/MemoryPool.cpp130
1 files changed, 130 insertions, 0 deletions
diff --git a/src/shared/cplusplus/MemoryPool.cpp b/src/shared/cplusplus/MemoryPool.cpp
new file mode 100644
index 0000000000..880c6bb884
--- /dev/null
+++ b/src/shared/cplusplus/MemoryPool.cpp
@@ -0,0 +1,130 @@
+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+**
+** Non-Open Source Usage
+**
+** Licensees may use this file in accordance with the Qt Beta Version
+** License Agreement, Agreement version 2.2 provided with the Software or,
+** alternatively, in accordance with the terms contained in a written
+** agreement between you and Nokia.
+**
+** GNU General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the packaging
+** of this file. Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+**
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt GPL Exception
+** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
+**
+***************************************************************************/
+// Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include "MemoryPool.h"
+#include <cstdlib>
+#include <cstring>
+#include <cassert>
+
+CPLUSPLUS_BEGIN_NAMESPACE
+
+MemoryPool::MemoryPool()
+ : _initializeAllocatedMemory(true),
+ _blocks(0),
+ _allocatedBlocks(0),
+ _blockCount(-1),
+ ptr(0),
+ end(0)
+{ }
+
+MemoryPool::~MemoryPool()
+{
+ if (_blockCount != -1) {
+ for (int i = 0; i < _blockCount + 1; ++i) {
+ free(_blocks[i]);
+ }
+ }
+
+ if (_blocks)
+ free(_blocks);
+}
+
+bool MemoryPool::initializeAllocatedMemory() const
+{ return _initializeAllocatedMemory; }
+
+void MemoryPool::setInitializeAllocatedMemory(bool initializeAllocatedMemory)
+{ _initializeAllocatedMemory = initializeAllocatedMemory; }
+
+void *MemoryPool::allocate_helper(size_t size)
+{
+ assert(size < BLOCK_SIZE);
+
+ if (++_blockCount == _allocatedBlocks) {
+ if (! _allocatedBlocks)
+ _allocatedBlocks = 8;
+ else
+ _allocatedBlocks *= 2;
+
+ _blocks = (char **) realloc(_blocks, sizeof(char *) * _allocatedBlocks);
+ }
+
+ char *&block = _blocks[_blockCount];
+
+ if (_initializeAllocatedMemory)
+ block = (char *) calloc(1, BLOCK_SIZE);
+ else
+ block = (char *) malloc(BLOCK_SIZE);
+
+ ptr = block;
+ end = ptr + BLOCK_SIZE;
+
+ void *addr = ptr;
+ ptr += size;
+ return addr;
+}
+
+Managed::Managed()
+{ }
+
+Managed::~Managed()
+{ }
+
+void *Managed::operator new(size_t size, MemoryPool *pool)
+{ return pool->allocate(size); }
+
+void Managed::operator delete(void *)
+{ }
+
+void Managed::operator delete(void *, MemoryPool *)
+{ }
+
+CPLUSPLUS_END_NAMESPACE