gecko-dev/netwerk/protocol/http/SpdyZlibReporter.h

59 строки
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* A memory allocator for zlib use in SPDY that reports to about:memory. */
#ifndef mozilla_net_SpdyZlibReporter_h
#define mozilla_net_SpdyZlibReporter_h
#include "mozilla/Assertions.h"
#include "mozilla/Atomics.h"
#include "mozilla/Attributes.h"
#include "nsIMemoryReporter.h"
#include "zlib.h"
namespace mozilla {
class SpdyZlibReporter final : public nsIMemoryReporter
{
~SpdyZlibReporter() {}
public:
NS_DECL_ISUPPORTS
SpdyZlibReporter()
{
#ifdef DEBUG
// There must be only one instance of this class, due to |sAmount|
// being static.
static bool hasRun = false;
MOZ_ASSERT(!hasRun);
hasRun = true;
#endif
sAmount = 0;
}
static void* Alloc(void*, uInt items, uInt size);
static void Free(void*, void* p);
private:
// |sAmount| can be (implicitly) accessed by multiple threads, so it
// must be thread-safe.
static Atomic<size_t> sAmount;
MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
MOZ_DEFINE_MALLOC_SIZE_OF_ON_ALLOC(MallocSizeOfOnAlloc)
MOZ_DEFINE_MALLOC_SIZE_OF_ON_FREE(MallocSizeOfOnFree)
NS_IMETHODIMP
CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData,
bool aAnonymize) override;
};
} // namespace mozilla
#endif // mozilla_net_SpdyZlibReporter_h