gecko-dev/startupcache/StartupCacheUtils.h
Doug Thayer 5a64723655 Bug 1550108 - Eliminate large buffer copies from StartupCache r=froydnj
The signatures were updated in the previous patch to hand us the raw,
uncopied buffers. This just adjusts the callsites to match.

Differential Revision: https://phabricator.services.mozilla.com/D34653

--HG--
extra : moz-landing-system : lando
2019-10-04 20:45:09 +00:00

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1.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef nsStartupCacheUtils_h_
#define nsStartupCacheUtils_h_
#include "nsString.h"
#include "nsIStorageStream.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"
#include "mozilla/UniquePtr.h"
class nsIURI;
namespace mozilla {
namespace scache {
nsresult NewObjectInputStreamFromBuffer(const char* buffer, uint32_t len,
nsIObjectInputStream** stream);
// We can't retrieve the wrapped stream from the objectOutputStream later,
// so we return it here. We give callers in debug builds the option
// to wrap the outputstream in a debug stream, which will detect if
// non-singleton objects are written out multiple times during a serialization.
// This could cause them to be deserialized incorrectly (as multiple copies
// instead of references).
nsresult NewObjectOutputWrappedStorageStream(
nsIObjectOutputStream** wrapperStream, nsIStorageStream** stream,
bool wantDebugStream);
// Creates a buffer for storing the stream into the cache. The buffer is
// allocated with 'new []'. After calling this function, the caller would
// typically call StartupCache::PutBuffer with the returned buffer.
nsresult NewBufferFromStorageStream(nsIStorageStream* storageStream,
UniquePtr<char[]>* buffer, uint32_t* len);
nsresult ResolveURI(nsIURI* in, nsIURI** out);
nsresult PathifyURI(nsIURI* in, nsACString& out);
} // namespace scache
} // namespace mozilla
#endif // nsStartupCacheUtils_h_