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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-06 15:56:40 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-06 15:56:40 -0600
commite16866e072f94410321d70daedbcb855ea878cac (patch)
treeee3f52eabde7da1a0e6ca845fb9c2813cf1558cf /tdecore/kvmallocator.h
parenta58c20c1a7593631a1b50213c805507ebc16adaf (diff)
downloadtdelibs-e16866e072f94410321d70daedbcb855ea878cac.tar.gz
tdelibs-e16866e072f94410321d70daedbcb855ea878cac.zip
Actually move the kde files that were renamed in the last commit
Diffstat (limited to 'tdecore/kvmallocator.h')
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diff --git a/tdecore/kvmallocator.h b/tdecore/kvmallocator.h
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+/*
+ This file is part of the KDE libraries
+
+ Copyright (C) 2000 Waldo Bastian (bastian@kde.org)
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+//----------------------------------------------------------------------------
+//
+// KDE Virtual Memory Allocator
+
+#ifndef KVMALLOCATOR_H
+#define KVMALLOCATOR_H
+
+#include <sys/types.h>
+#include "kdelibs_export.h"
+
+class KVMAllocatorPrivate;
+
+/**
+ * KVMAllocator is a virtual memory allocator.
+ * Memory is allocated block-wise in a tmp file.
+ *
+ * @author Waldo Bastian <bastian@kde.org>
+ */
+class KDECORE_EXPORT KVMAllocator
+{
+public:
+ struct Block;
+
+ /**
+ * Create a KVMAllocator
+ */
+ KVMAllocator();
+
+ /**
+ * Destruct the KVMAllocator and release all memory.
+ */
+ ~KVMAllocator();
+
+ /**
+ * Allocate a virtual memory block.
+ * @param _size Size in bytes of the memory block.
+ * @return the allocated memory block
+ */
+ Block *allocate(size_t _size);
+
+ /**
+ * Free a virtual memory block.
+ * @param block the block to free
+ */
+ void free(Block *block);
+
+ /**
+ * Copy @p length bytes from @p _offset in the virtual memory block
+ * @p src to normal memory at address *dest.
+ * @param dest the destination of the data
+ * @param src the source block
+ * @param _offset the offset in the source block
+ * @param length the length of the data to copy
+ * @return true on success, false on failure, see errno for details
+ * @since 3.2
+ */
+ bool copyBlock(void *dest, Block *src, int _offset = 0, size_t length = 0);
+
+ /**
+ * @deprecated
+ * @see copyBlock
+ */
+ void copy(void *dest, Block *src, int _offset = 0, size_t length = 0) KDE_DEPRECATED;
+
+ /**
+ * Copy @p length bytes from normal memory at address @p src to
+ * @p _offset in the virtual memory block @p dest.
+ * @param dest the block to copy the data to
+ * @param src the source location of the data
+ * @param _offset the offset in the destination block
+ * @param length the length of the data to copy
+ * @return true on success, false on failure, see errno for details
+ * @since 3.2
+ */
+ bool copyBlock(Block *dest, void *src, int _offset = 0, size_t length = 0);
+
+ /**
+ * @deprecated
+ * @see copyBlock
+ */
+ void copy(Block *dest, void *src, int _offset = 0, size_t length = 0) KDE_DEPRECATED;
+
+ /**
+ * Map a virtual memory block in memory
+ * @param block the block to map
+ */
+ void *map(Block *block);
+
+ /**
+ * Unmap a virtual memory block
+ * @param block the block to unmap
+ */
+ void unmap(Block *block);
+
+private:
+ KVMAllocatorPrivate *d;
+};
+
+#endif