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mappedbuffer.h
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mappedbuffer.h
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/*
* node-mappedbuffer -- Buffer to store the memory that is mapped by the `mmap`
* Copyright (C) 2012 kazuya kawaguchi. All rights reserved.
*
* 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.
*
* [ MIT license: http://www.opensource.org/licenses/mit-license.php ]
*/
#ifndef __MAPPED_BUFFER_H__
#define __MAPPED_BUFFER_H__
#include <node.h>
using namespace node;
using namespace v8;
class MappedBuffer : public ObjectWrap {
public:
static Persistent<Function> ctor;
static void Init(Handle<Object> target);
private:
char *map_;
size_t length_;
bool released_;
MappedBuffer(
Handle<Object> wrapper, size_t size, int32_t protection,
int32_t flags, int32_t fd, off_t offset, char *data
);
~MappedBuffer();
static Handle<Value> New(const Arguments &args);
static void OnWork(uv_work_t *work_req);
static void OnWorkDone(uv_work_t *work_req);
};
#endif /* __MAPPED_BUFFER_H__ */