mirror of
https://github.com/mozilla/gecko-dev.git
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54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set sw=4 ts=8 et tw=80 : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/devtools/HeapSnapshot.h"
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#include "mozilla/devtools/HeapSnapshotTempFileHelperParent.h"
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#include "mozilla/ErrorResult.h"
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#include "private/pprio.h"
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#include "nsIFile.h"
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namespace mozilla {
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namespace devtools {
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using ipc::FileDescriptor;
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static bool
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openFileFailure(ErrorResult& rv,
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OpenHeapSnapshotTempFileResponse* outResponse)
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{
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*outResponse = rv.StealNSResult();
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return true;
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}
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bool
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HeapSnapshotTempFileHelperParent::RecvOpenHeapSnapshotTempFile(
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OpenHeapSnapshotTempFileResponse* outResponse)
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{
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auto start = TimeStamp::Now();
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ErrorResult rv;
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nsAutoString filePath;
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nsCOMPtr<nsIFile> file = HeapSnapshot::CreateUniqueCoreDumpFile(rv,
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start,
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filePath);
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if (NS_WARN_IF(rv.Failed()))
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return openFileFailure(rv, outResponse);
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PRFileDesc* prfd;
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rv = file->OpenNSPRFileDesc(PR_WRONLY, 0, &prfd);
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if (NS_WARN_IF(rv.Failed()))
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return openFileFailure(rv, outResponse);
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FileDescriptor::PlatformHandleType handle =
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FileDescriptor::PlatformHandleType(PR_FileDesc2NativeHandle(prfd));
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FileDescriptor fd(handle);
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*outResponse = OpenedFile(filePath, fd);
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return true;
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}
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} // namespace devtools
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} // namespace mozilla
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