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// Copyright Joyent, Inc. and other Node contributors.
//
// 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.
#ifndef SRC_SMALLOC_H_
#define SRC_SMALLOC_H_
#include "node.h"
#include "v8.h"
namespace node {
/**
* Simple memory allocator.
*
* Utilities for external memory allocation management. Is an abstraction for
* v8's external array data handling to simplify and centralize how this is
* managed.
*/
namespace smalloc {
// mirrors deps/v8/src/objects.h
static const unsigned int kMaxLength = 0x3fffffff;
NODE_EXTERN typedef void (*FreeCallback)(char* data, void* hint);
/**
* Allocate external memory and set to passed object. If data is passed then
* will use that instead of allocating new.
*/
NODE_EXTERN void Alloc(v8::Handle<v8::Object> obj, size_t length);
NODE_EXTERN void Alloc(v8::Handle<v8::Object> obj, char* data, size_t length);
NODE_EXTERN void Alloc(v8::Handle<v8::Object> obj,
size_t length,
FreeCallback fn,
void* hint);
NODE_EXTERN void Alloc(v8::Handle<v8::Object> obj,
char* data,
size_t length,
FreeCallback fn,
void* hint);
/**
* Free memory associated with an externally allocated object. If no external
* memory is allocated to the object then nothing will happen.
*/
NODE_EXTERN void AllocDispose(v8::Handle<v8::Object> obj);
} // namespace smalloc
} // namespace node
#endif // SRC_SMALLOC_H_
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