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https://gitlab.winehq.org/wine/wine-gecko.git
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311 lines
9.5 KiB
C++
311 lines
9.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 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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#ifndef mozilla_dom_CrashReporterParent_h
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#define mozilla_dom_CrashReporterParent_h
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#include "mozilla/dom/PCrashReporterParent.h"
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#include "mozilla/dom/TabMessageUtils.h"
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#include "nsIFile.h"
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#ifdef MOZ_CRASHREPORTER
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#include "nsExceptionHandler.h"
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#include "nsDataHashtable.h"
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#endif
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namespace mozilla {
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namespace dom {
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class CrashReporterParent : public PCrashReporterParent
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{
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#ifdef MOZ_CRASHREPORTER
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typedef CrashReporter::AnnotationTable AnnotationTable;
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#endif
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public:
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CrashReporterParent();
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virtual ~CrashReporterParent();
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#ifdef MOZ_CRASHREPORTER
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/*
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* Attempt to create a bare-bones crash report, along with extra process-
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* specific annotations present in the given AnnotationTable. Calls
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* GenerateChildData and FinalizeChildData.
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*
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* @returns true if successful, false otherwise.
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*/
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template<class Toplevel>
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bool
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GenerateCrashReport(Toplevel* t, const AnnotationTable* processNotes);
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/*
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* Attempt to generate a parent/child pair of minidumps from the given
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* toplevel actor. This calls CrashReporter::CreateMinidumpsAndPair to
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* generate the minidumps. Crash reporter annotations set prior to this
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* call will be saved via PairedDumpCallbackExtra into an .extra file
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* under the proper crash id. AnnotateCrashReport annotations are not
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* set in this call and the report is not finalized.
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*
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* @returns true if successful, false otherwise.
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*/
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template<class Toplevel>
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bool
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GeneratePairedMinidump(Toplevel* t);
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/*
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* Attempts to take a minidump of the current process and pair that with
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* a named minidump handed in by the caller.
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*
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* @param aTopLevel - top level actor this reporter is associated with.
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* @param aMinidump - the minidump to associate with.
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* @param aPairName - the name of the additional minidump.
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* @returns true if successful, false otherwise.
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*/
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template<class Toplevel>
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bool
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GenerateMinidumpAndPair(Toplevel* aTopLevel, nsIFile* aMinidump,
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const nsACString& aPairName);
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/**
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* Apply child process annotations to an existing paired mindump generated
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* with GeneratePairedMinidump.
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*
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* Be careful about calling generate apis immediately after this call,
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* see FinalizeChildData.
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*
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* @param processNotes (optional) - Additional notes to append. Annotations
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* stored in mNotes will also be applied. processNotes can be null.
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* @returns true if successful, false otherwise.
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*/
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bool
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GenerateChildData(const AnnotationTable* processNotes);
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/**
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* Handles main thread finalization tasks after a report has been
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* generated. Does the following:
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* - register the finished report with the crash service manager
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* - records telemetry related data about crashes
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*
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* Be careful about calling generate apis immediately after this call,
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* if this api is called on a non-main thread it will fire off a runnable
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* to complete its work async.
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*/
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void
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FinalizeChildData();
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/*
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* Attempt to generate a full paired dump complete with any child
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* annoations, and finalizes the report. Note this call is only valid
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* on the main thread. Calling on a background thread will fail.
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*
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* @returns true if successful, false otherwise.
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*/
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template<class Toplevel>
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bool
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GenerateCompleteMinidump(Toplevel* t);
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/**
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* Submits a raw minidump handed in, calls GenerateChildData and
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* FinalizeChildData. Used by content plugins and gmp.
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*
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* @returns true if successful, false otherwise.
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*/
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bool
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GenerateCrashReportForMinidump(nsIFile* minidump,
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const AnnotationTable* processNotes);
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/*
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* Instantiate a new crash reporter actor from a given parent that manages
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* the protocol.
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*
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* @returns true if successful, false otherwise.
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*/
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template<class Toplevel>
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static bool CreateCrashReporter(Toplevel* actor);
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#endif // MOZ_CRASHREPORTER
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/*
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* Initialize this reporter with data from the child process.
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*/
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void
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SetChildData(const NativeThreadId& id, const uint32_t& processType);
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/*
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* Returns the ID of the child minidump.
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* GeneratePairedMinidump or GenerateCrashReport must be called first.
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*/
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const nsString& ChildDumpID() const {
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return mChildDumpID;
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}
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/*
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* Add an annotation to our internally tracked list of annotations.
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* Callers must apply these notes using GenerateChildData otherwise
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* the notes will get dropped.
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*/
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void
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AnnotateCrashReport(const nsCString& aKey, const nsCString& aData);
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protected:
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virtual void ActorDestroy(ActorDestroyReason aWhy) override;
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virtual bool RecvAnnotateCrashReport(const nsCString& aKey,
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const nsCString& aData) override
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{
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AnnotateCrashReport(aKey, aData);
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return true;
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}
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virtual bool RecvAppendAppNotes(const nsCString& aData) override;
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virtual mozilla::ipc::IProtocol*
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CloneProtocol(Channel* aChannel,
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mozilla::ipc::ProtocolCloneContext *aCtx) override;
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#ifdef MOZ_CRASHREPORTER
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void
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NotifyCrashService();
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#endif
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#ifdef MOZ_CRASHREPORTER
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AnnotationTable mNotes;
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#endif
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nsCString mAppNotes;
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nsString mChildDumpID;
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// stores the child main thread id
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NativeThreadId mMainThread;
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time_t mStartTime;
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// stores the child process type
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uint32_t mProcessType;
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bool mInitialized;
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};
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#ifdef MOZ_CRASHREPORTER
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template<class Toplevel>
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inline bool
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CrashReporterParent::GeneratePairedMinidump(Toplevel* t)
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{
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mozilla::ipc::ScopedProcessHandle child;
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#ifdef XP_MACOSX
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child = t->Process()->GetChildTask();
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#else
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if (!base::OpenPrivilegedProcessHandle(t->OtherPid(), &child.rwget())) {
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NS_WARNING("Failed to open child process handle.");
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return false;
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}
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#endif
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nsCOMPtr<nsIFile> childDump;
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if (CrashReporter::CreateMinidumpsAndPair(child,
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mMainThread,
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NS_LITERAL_CSTRING("browser"),
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nullptr, // pair with a dump of this process and thread
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getter_AddRefs(childDump)) &&
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CrashReporter::GetIDFromMinidump(childDump, mChildDumpID)) {
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return true;
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}
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return false;
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}
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template<class Toplevel>
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inline bool
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CrashReporterParent::GenerateMinidumpAndPair(Toplevel* aTopLevel,
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nsIFile* aMinidumpToPair,
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const nsACString& aPairName)
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{
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mozilla::ipc::ScopedProcessHandle childHandle;
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#ifdef XP_MACOSX
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childHandle = aTopLevel->Process()->GetChildTask();
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#else
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if (!base::OpenPrivilegedProcessHandle(aTopLevel->OtherPid(),
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&childHandle.rwget())) {
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NS_WARNING("Failed to open child process handle.");
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return false;
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}
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#endif
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nsCOMPtr<nsIFile> targetDump;
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if (CrashReporter::CreateMinidumpsAndPair(childHandle,
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mMainThread, // child thread id
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aPairName,
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aMinidumpToPair,
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getter_AddRefs(targetDump)) &&
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CrashReporter::GetIDFromMinidump(targetDump, mChildDumpID)) {
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return true;
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}
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return false;
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}
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template<class Toplevel>
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inline bool
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CrashReporterParent::GenerateCrashReport(Toplevel* t,
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const AnnotationTable* processNotes)
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{
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nsCOMPtr<nsIFile> crashDump;
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if (t->TakeMinidump(getter_AddRefs(crashDump), nullptr) &&
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CrashReporter::GetIDFromMinidump(crashDump, mChildDumpID)) {
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bool result = GenerateChildData(processNotes);
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FinalizeChildData();
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return result;
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}
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return false;
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}
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template<class Toplevel>
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inline bool
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CrashReporterParent::GenerateCompleteMinidump(Toplevel* t)
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{
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mozilla::ipc::ScopedProcessHandle child;
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if (!NS_IsMainThread()) {
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NS_WARNING("GenerateCompleteMinidump can't be called on non-main thread.");
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return false;
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}
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#ifdef XP_MACOSX
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child = t->Process()->GetChildTask();
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#else
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if (!base::OpenPrivilegedProcessHandle(t->OtherPid(), &child.rwget())) {
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NS_WARNING("Failed to open child process handle.");
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return false;
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}
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#endif
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nsCOMPtr<nsIFile> childDump;
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if (CrashReporter::CreateMinidumpsAndPair(child,
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mMainThread,
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NS_LITERAL_CSTRING("browser"),
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nullptr, // pair with a dump of this process and thread
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getter_AddRefs(childDump)) &&
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CrashReporter::GetIDFromMinidump(childDump, mChildDumpID)) {
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bool result = GenerateChildData(nullptr);
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FinalizeChildData();
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return result;
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}
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return false;
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}
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template<class Toplevel>
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/* static */ bool
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CrashReporterParent::CreateCrashReporter(Toplevel* actor)
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{
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#ifdef MOZ_CRASHREPORTER
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NativeThreadId id;
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uint32_t processType;
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PCrashReporterParent* p =
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actor->CallPCrashReporterConstructor(&id, &processType);
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if (p) {
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static_cast<CrashReporterParent*>(p)->SetChildData(id, processType);
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} else {
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NS_ERROR("Error creating crash reporter actor");
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}
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return !!p;
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#endif
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return false;
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}
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#endif
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_CrashReporterParent_h
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