From 4e2e9be6abed3225406b466099e397acc0f914d2 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Sat, 22 Feb 2020 17:32:39 -0500
Subject: Reclassify heapsnapshot and nsJSInspector as not part of devtools

This resolves Issue #316
---
 .../HeapSnapshotTempFileHelperParent.cpp           | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 dom/heapsnapshot/HeapSnapshotTempFileHelperParent.cpp

(limited to 'dom/heapsnapshot/HeapSnapshotTempFileHelperParent.cpp')

diff --git a/dom/heapsnapshot/HeapSnapshotTempFileHelperParent.cpp b/dom/heapsnapshot/HeapSnapshotTempFileHelperParent.cpp
new file mode 100644
index 000000000..7246a9daa
--- /dev/null
+++ b/dom/heapsnapshot/HeapSnapshotTempFileHelperParent.cpp
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set sw=4 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/. */
+
+#include "mozilla/devtools/HeapSnapshot.h"
+#include "mozilla/devtools/HeapSnapshotTempFileHelperParent.h"
+#include "mozilla/ErrorResult.h"
+#include "private/pprio.h"
+
+#include "nsIFile.h"
+
+namespace mozilla {
+namespace devtools {
+
+using ipc::FileDescriptor;
+
+static bool
+openFileFailure(ErrorResult& rv,
+                OpenHeapSnapshotTempFileResponse* outResponse)
+{
+    *outResponse = rv.StealNSResult();
+    return true;
+}
+
+bool
+HeapSnapshotTempFileHelperParent::RecvOpenHeapSnapshotTempFile(
+    OpenHeapSnapshotTempFileResponse* outResponse)
+{
+    auto start = TimeStamp::Now();
+    ErrorResult rv;
+    nsAutoString filePath;
+    nsCOMPtr<nsIFile> file = HeapSnapshot::CreateUniqueCoreDumpFile(rv,
+                                                                    start,
+                                                                    filePath);
+    if (NS_WARN_IF(rv.Failed()))
+        return openFileFailure(rv, outResponse);
+
+    PRFileDesc* prfd;
+    rv = file->OpenNSPRFileDesc(PR_WRONLY, 0, &prfd);
+    if (NS_WARN_IF(rv.Failed()))
+        return openFileFailure(rv, outResponse);
+
+    FileDescriptor::PlatformHandleType handle =
+        FileDescriptor::PlatformHandleType(PR_FileDesc2NativeHandle(prfd));
+    FileDescriptor fd(handle);
+    *outResponse = OpenedFile(filePath, fd);
+    return true;
+}
+
+} // namespace devtools
+} // namespace mozilla
-- 
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