asiva@google.com
e380b175f8
there is no need to access the current isolate in the callback and delete path (this code is run while a GC is in progress). See https://codereview.chromium.org/185643003/ for corresponding changes in dartium R=iposva@google.com Review URL: https://codereview.chromium.org//186003002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@33282 260f80e4-7a28-3924-810f-c04153c831b5
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#ifndef BIN_IO_BUFFER_H_
|
|
#define BIN_IO_BUFFER_H_
|
|
|
|
#include "platform/globals.h"
|
|
|
|
#include "include/dart_api.h"
|
|
|
|
|
|
namespace dart {
|
|
namespace bin {
|
|
|
|
class IOBuffer {
|
|
public:
|
|
// Allocate an IO buffer dart object (of type Uint8List) backed by
|
|
// an external byte array.
|
|
static Dart_Handle Allocate(intptr_t size, uint8_t **buffer);
|
|
|
|
// Allocate IO buffer storage.
|
|
static uint8_t* Allocate(intptr_t size);
|
|
|
|
// Function for disposing of IO buffer storage. All backing storage
|
|
// for IO buffers must be freed using this function.
|
|
static void Free(void* buffer) {
|
|
delete[] reinterpret_cast<uint8_t*>(buffer);
|
|
}
|
|
|
|
// Function for finalizing external byte arrays used as IO buffers.
|
|
static void Finalizer(Dart_Isolate isolate,
|
|
Dart_WeakPersistentHandle handle,
|
|
void* buffer) {
|
|
Free(buffer);
|
|
if (handle != NULL) {
|
|
Dart_DeleteWeakPersistentHandle(isolate, handle);
|
|
}
|
|
}
|
|
|
|
private:
|
|
DISALLOW_ALLOCATION();
|
|
DISALLOW_IMPLICIT_CONSTRUCTORS(IOBuffer);
|
|
};
|
|
|
|
} // namespace bin
|
|
} // namespace dart
|
|
|
|
#endif // BIN_IO_BUFFER_H_
|