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-rw-r--r--dom/heapsnapshot/FileDescriptorOutputStream.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/dom/heapsnapshot/FileDescriptorOutputStream.h b/dom/heapsnapshot/FileDescriptorOutputStream.h
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index 000000000..6990f1fc3
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+++ b/dom/heapsnapshot/FileDescriptorOutputStream.h
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+/* -*- 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 mozilla_devtools_FileDescriptorOutputStream_h
+#define mozilla_devtools_FileDescriptorOutputStream_h
+
+#include <prio.h>
+
+#include "mozilla/AlreadyAddRefed.h"
+#include "mozilla/ipc/FileDescriptor.h"
+#include "nsIOutputStream.h"
+
+namespace mozilla {
+namespace devtools {
+
+class FileDescriptorOutputStream final : public nsIOutputStream
+{
+private:
+ PRFileDesc* fd;
+
+public:
+ static already_AddRefed<FileDescriptorOutputStream>
+ Create(const ipc::FileDescriptor& fileDescriptor);
+
+private:
+ explicit FileDescriptorOutputStream(PRFileDesc* prfd)
+ : fd(prfd)
+ { }
+
+ virtual ~FileDescriptorOutputStream() { }
+
+ NS_DECL_THREADSAFE_ISUPPORTS
+ NS_DECL_NSIOUTPUTSTREAM
+};
+
+} // namespace devtools
+} // namespace mozilla
+
+#endif // mozilla_devtools_FileDescriptorOutputStream_h