import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

ipc/glue/CrashReporterMetadataShmem.h

@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 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/. */
+
+#ifndef mozilla_ipc_CrashReporterMetadataShmem_h
+#define mozilla_ipc_CrashReporterMetadataShmem_h
+
+#include <stdint.h>
+#include "mozilla/ipc/Shmem.h"
+#include "nsExceptionHandler.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace ipc {
+
+class CrashReporterMetadataShmem
+{
+  typedef mozilla::ipc::Shmem Shmem;
+  typedef CrashReporter::AnnotationTable AnnotationTable;
+
+public:
+  explicit CrashReporterMetadataShmem(const Shmem& aShmem);
+  ~CrashReporterMetadataShmem();
+
+  // Metadata writers. These must only be called in child processes.
+  void AnnotateCrashReport(const nsCString& aKey, const nsCString& aData);
+  void AppendAppNotes(const nsCString& aData);
+
+#ifdef MOZ_CRASHREPORTER
+  static void ReadAppNotes(const Shmem& aShmem, CrashReporter::AnnotationTable* aNotes);
+#endif
+
+private:
+  void SyncNotesToShmem();
+
+private:
+  Shmem mShmem;
+
+  AnnotationTable mNotes;
+  nsCString mAppNotes;
+};
+
+} // namespace ipc
+} // namespace mozilla
+
+#endif // mozilla_ipc_CrashReporterMetadataShmem_h