summaryrefslogtreecommitdiff
path: root/ipc
diff options
context:
space:
mode:
Diffstat (limited to 'ipc')
-rw-r--r--ipc/glue/CrashReporterClient.cpp66
-rw-r--r--ipc/glue/CrashReporterClient.h76
-rw-r--r--ipc/glue/CrashReporterHost.cpp25
-rw-r--r--ipc/glue/CrashReporterHost.h43
-rw-r--r--ipc/glue/CrashReporterMetadataShmem.cpp212
-rw-r--r--ipc/glue/CrashReporterMetadataShmem.h44
-rw-r--r--ipc/glue/moz.build6
7 files changed, 0 insertions, 472 deletions
diff --git a/ipc/glue/CrashReporterClient.cpp b/ipc/glue/CrashReporterClient.cpp
deleted file mode 100644
index 004ca3b574..0000000000
--- a/ipc/glue/CrashReporterClient.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-/* -*- 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/. */
-
-#include "CrashReporterClient.h"
-#include "CrashReporterMetadataShmem.h"
-#include "nsISupportsImpl.h"
-
-namespace mozilla {
-namespace ipc {
-
-StaticMutex CrashReporterClient::sLock;
-StaticRefPtr<CrashReporterClient> CrashReporterClient::sClientSingleton;
-
-CrashReporterClient::CrashReporterClient(const Shmem& aShmem)
- : mMetadata(new CrashReporterMetadataShmem(aShmem))
-{
- MOZ_COUNT_CTOR(CrashReporterClient);
-}
-
-CrashReporterClient::~CrashReporterClient()
-{
- MOZ_COUNT_DTOR(CrashReporterClient);
-}
-
-void
-CrashReporterClient::AnnotateCrashReport(const nsCString& aKey, const nsCString& aData)
-{
- StaticMutexAutoLock lock(sLock);
- mMetadata->AnnotateCrashReport(aKey, aData);
-}
-
-void
-CrashReporterClient::AppendAppNotes(const nsCString& aData)
-{
- StaticMutexAutoLock lock(sLock);
- mMetadata->AppendAppNotes(aData);
-}
-
-/* static */ void
-CrashReporterClient::InitSingletonWithShmem(const Shmem& aShmem)
-{
- StaticMutexAutoLock lock(sLock);
-
- MOZ_ASSERT(!sClientSingleton);
- sClientSingleton = new CrashReporterClient(aShmem);
-}
-
-/* static */ void
-CrashReporterClient::DestroySingleton()
-{
- StaticMutexAutoLock lock(sLock);
- sClientSingleton = nullptr;
-}
-
-/* static */ RefPtr<CrashReporterClient>
-CrashReporterClient::GetSingleton()
-{
- StaticMutexAutoLock lock(sLock);
- return sClientSingleton;
-}
-
-} // namespace ipc
-} // namespace mozilla
diff --git a/ipc/glue/CrashReporterClient.h b/ipc/glue/CrashReporterClient.h
deleted file mode 100644
index 512533da86..0000000000
--- a/ipc/glue/CrashReporterClient.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/* -*- 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_CrashReporterClient_h
-#define mozilla_ipc_CrashReporterClient_h
-
-#include "mozilla/StaticMutex.h"
-#include "mozilla/StaticPtr.h"
-#include "mozilla/Unused.h"
-#include "mozilla/ipc/Shmem.h"
-
-namespace mozilla {
-namespace ipc {
-
-class CrashReporterMetadataShmem;
-
-class CrashReporterClient
-{
-public:
- NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CrashReporterClient);
-
- // |aTopLevelProtocol| must be a top-level protocol instance, as sub-actors
- // do not have AllocUnsafeShmem. It must also have a child-to-parent message:
- //
- // async SetCrashReporterClient(Shmem shmem);
- //
- // The parent-side receive function of this message should save the shmem
- // somewhere, and when the top-level actor's ActorDestroy runs (or when the
- // crash reporter needs metadata), the shmem should be parsed.
- template <typename T>
- static bool InitSingleton(T* aToplevelProtocol) {
- // 16KB should be enough for most metadata - see bug 1278717 comment #11.
- static const size_t kShmemSize = 16 * 1024;
-
- Shmem shmem;
- bool rv = aToplevelProtocol->AllocUnsafeShmem(
- kShmemSize,
- SharedMemory::TYPE_BASIC,
- &shmem);
- if (!rv) {
- return false;
- }
-
- InitSingletonWithShmem(shmem);
- Unused << aToplevelProtocol->SendInitCrashReporter(shmem);
- return true;
- }
-
- static void DestroySingleton();
- static RefPtr<CrashReporterClient> GetSingleton();
-
- void AnnotateCrashReport(const nsCString& aKey, const nsCString& aData);
- void AppendAppNotes(const nsCString& aData);
-
-private:
- explicit CrashReporterClient(const Shmem& aShmem);
- ~CrashReporterClient();
-
- static void InitSingletonWithShmem(const Shmem& aShmem);
-
-private:
- static StaticMutex sLock;
- static StaticRefPtr<CrashReporterClient> sClientSingleton;
-
-private:
- UniquePtr<CrashReporterMetadataShmem> mMetadata;
-};
-
-} // namespace ipc
-} // namespace mozilla
-
-#endif // mozilla_ipc_CrashReporterClient_h
-
diff --git a/ipc/glue/CrashReporterHost.cpp b/ipc/glue/CrashReporterHost.cpp
deleted file mode 100644
index 85552cba5d..0000000000
--- a/ipc/glue/CrashReporterHost.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-/* -*- 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/. */
-
-#include "CrashReporterHost.h"
-#include "CrashReporterMetadataShmem.h"
-#include "mozilla/Sprintf.h"
-#include "mozilla/SyncRunnable.h"
-#include "mozilla/Telemetry.h"
-
-namespace mozilla {
-namespace ipc {
-
-CrashReporterHost::CrashReporterHost(GeckoProcessType aProcessType,
- const Shmem& aShmem)
- : mProcessType(aProcessType),
- mShmem(aShmem),
- mStartTime(::time(nullptr))
-{
-}
-
-} // namespace ipc
-} // namespace mozilla
diff --git a/ipc/glue/CrashReporterHost.h b/ipc/glue/CrashReporterHost.h
deleted file mode 100644
index 1089781c56..0000000000
--- a/ipc/glue/CrashReporterHost.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* -*- 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_CrashReporterHost_h
-#define mozilla_ipc_CrashReporterHost_h
-
-#include "mozilla/UniquePtr.h"
-#include "mozilla/ipc/Shmem.h"
-#include "base/process.h"
-#include "nsExceptionHandler.h"
-
-namespace mozilla {
-namespace ipc {
-
-// This is the newer replacement for CrashReporterParent. It is created in
-// response to a InitCrashReporter message on a top-level actor, and simply
-// holds the metadata shmem alive until the process ends. When the process
-// terminates abnormally, the top-level should call GenerateCrashReport to
-// automatically integrate metadata.
-class CrashReporterHost
-{
- typedef mozilla::ipc::Shmem Shmem;
- typedef CrashReporter::AnnotationTable AnnotationTable;
-
-public:
- CrashReporterHost(GeckoProcessType aProcessType, const Shmem& aShmem);
-
-private:
- void GenerateCrashReport(RefPtr<nsIFile> aCrashDump);
-
-private:
- GeckoProcessType mProcessType;
- Shmem mShmem;
- time_t mStartTime;
-};
-
-} // namespace ipc
-} // namespace mozilla
-
-#endif // mozilla_ipc_CrashReporterHost_h
diff --git a/ipc/glue/CrashReporterMetadataShmem.cpp b/ipc/glue/CrashReporterMetadataShmem.cpp
deleted file mode 100644
index 5b889948bc..0000000000
--- a/ipc/glue/CrashReporterMetadataShmem.cpp
+++ /dev/null
@@ -1,212 +0,0 @@
-/* -*- 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/. */
-
-#include "CrashReporterMetadataShmem.h"
-#include "mozilla/Attributes.h"
-#include "nsISupportsImpl.h"
-
-namespace mozilla {
-namespace ipc {
-
-enum class EntryType : uint8_t {
- None,
- Annotation,
-};
-
-CrashReporterMetadataShmem::CrashReporterMetadataShmem(const Shmem& aShmem)
- : mShmem(aShmem)
-{
- MOZ_COUNT_CTOR(CrashReporterMetadataShmem);
-}
-
-CrashReporterMetadataShmem::~CrashReporterMetadataShmem()
-{
- MOZ_COUNT_DTOR(CrashReporterMetadataShmem);
-}
-
-void
-CrashReporterMetadataShmem::AnnotateCrashReport(const nsCString& aKey, const nsCString& aData)
-{
- mNotes.Put(aKey, aData);
- SyncNotesToShmem();
-}
-
-void
-CrashReporterMetadataShmem::AppendAppNotes(const nsCString& aData)
-{
- mAppNotes.Append(aData);
- mNotes.Put(NS_LITERAL_CSTRING("Notes"), mAppNotes);
- SyncNotesToShmem();
-}
-
-class MOZ_STACK_CLASS MetadataShmemWriter
-{
-public:
- explicit MetadataShmemWriter(const Shmem& aShmem)
- : mCursor(aShmem.get<uint8_t>()),
- mEnd(mCursor + aShmem.Size<uint8_t>())
- {
- *mCursor = uint8_t(EntryType::None);
- }
-
- MOZ_MUST_USE bool WriteAnnotation(const nsCString& aKey, const nsCString& aValue) {
- // This shouldn't happen because Commit() guarantees mCursor < mEnd. But
- // we might as well be safe.
- if (mCursor >= mEnd) {
- return false;
- }
-
- // Save the current position so we can write the entry type if the entire
- // entry fits.
- uint8_t* start = mCursor++;
- if (!Write(aKey) || !Write(aValue)) {
- return false;
- }
- return Commit(start, EntryType::Annotation);
- }
-
-private:
- // On success, append a new terminal byte. On failure, rollback the cursor.
- MOZ_MUST_USE bool Commit(uint8_t* aStart, EntryType aType) {
- MOZ_ASSERT(aStart < mEnd);
- MOZ_ASSERT(EntryType(*aStart) == EntryType::None);
-
- if (mCursor >= mEnd) {
- // No room for a terminating byte - rollback.
- mCursor = aStart;
- return false;
- }
-
- // Commit the entry and write a new terminal byte.
- *aStart = uint8_t(aType);
- *mCursor = uint8_t(EntryType::None);
- return true;
- }
-
- MOZ_MUST_USE bool Write(const nsCString& aString) {
- // 32-bit length is okay since our shmems are very small (16K),
- // a huge write would fail anyway.
- return Write(static_cast<uint32_t>(aString.Length())) &&
- Write(aString.get(), aString.Length());
- }
-
- template <typename T>
- MOZ_MUST_USE bool Write(const T& aT) {
- return Write(&aT, sizeof(T));
- }
-
- MOZ_MUST_USE bool Write(const void* aData, size_t aLength) {
- if (size_t(mEnd - mCursor) < aLength) {
- return false;
- }
- memcpy(mCursor, aData, aLength);
- mCursor += aLength;
- return true;
- }
-
- private:
- // The cursor (beginning at start) always points to a single byte
- // representing the next EntryType. An EntryType is either None,
- // indicating there are no more entries, or Annotation, meaning
- // two strings follow.
- //
- // Strings are written as a 32-bit length and byte sequence. After each new
- // entry, a None entry is always appended, and a subsequent entry will
- // overwrite this byte.
- uint8_t* mCursor;
- uint8_t* mEnd;
-};
-
-void
-CrashReporterMetadataShmem::SyncNotesToShmem()
-{
- MetadataShmemWriter writer(mShmem);
-
- for (auto it = mNotes.Iter(); !it.Done(); it.Next()) {
- nsCString key = nsCString(it.Key());
- nsCString value = nsCString(it.Data());
- if (!writer.WriteAnnotation(key, value)) {
- return;
- }
- }
-}
-
-// Helper class to iterate over metadata entries encoded in shmem.
-class MOZ_STACK_CLASS MetadataShmemReader
-{
-public:
- explicit MetadataShmemReader(const Shmem& aShmem)
- : mEntryType(EntryType::None)
- {
- mCursor = aShmem.get<uint8_t>();
- mEnd = mCursor + aShmem.Size<uint8_t>();
-
- // Advance to the first item, if any.
- Next();
- }
-
- bool Done() const {
- return mCursor >= mEnd || Type() == EntryType::None;
- }
- EntryType Type() const {
- return mEntryType;
- }
- void Next() {
- if (mCursor < mEnd) {
- mEntryType = EntryType(*mCursor++);
- } else {
- mEntryType = EntryType::None;
- }
- }
-
- bool Read(nsCString& aOut) {
- uint32_t length = 0;
- if (!Read(&length)) {
- return false;
- }
-
- const uint8_t* src = Read(length);
- if (!src) {
- return false;
- }
-
- aOut.Assign((const char *)src, length);
- return true;
- }
-
-private:
- template <typename T>
- bool Read(T* aOut) {
- return Read(aOut, sizeof(T));
- }
- bool Read(void* aOut, size_t aLength) {
- const uint8_t* src = Read(aLength);
- if (!src) {
- return false;
- }
- memcpy(aOut, src, aLength);
- return true;
- }
-
- // If buffer has |aLength| bytes, return cursor and then advance it.
- // Otherwise, return null.
- const uint8_t* Read(size_t aLength) {
- if (size_t(mEnd - mCursor) < aLength) {
- return nullptr;
- }
- const uint8_t* result = mCursor;
- mCursor += aLength;
- return result;
- }
-
-private:
- const uint8_t* mCursor;
- const uint8_t* mEnd;
- EntryType mEntryType;
-};
-
-} // namespace ipc
-} // namespace mozilla
diff --git a/ipc/glue/CrashReporterMetadataShmem.h b/ipc/glue/CrashReporterMetadataShmem.h
deleted file mode 100644
index ad67c6d750..0000000000
--- a/ipc/glue/CrashReporterMetadataShmem.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* -*- 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);
-
-private:
- void SyncNotesToShmem();
-
-private:
- Shmem mShmem;
-
- AnnotationTable mNotes;
- nsCString mAppNotes;
-};
-
-} // namespace ipc
-} // namespace mozilla
-
-#endif // mozilla_ipc_CrashReporterMetadataShmem_h
diff --git a/ipc/glue/moz.build b/ipc/glue/moz.build
index 8caee1ffee..d0d9f99378 100644
--- a/ipc/glue/moz.build
+++ b/ipc/glue/moz.build
@@ -15,9 +15,6 @@ EXPORTS.mozilla.ipc += [
'BackgroundParent.h',
'BackgroundUtils.h',
'BrowserProcessSubThread.h',
- 'CrashReporterClient.h',
- 'CrashReporterHost.h',
- 'CrashReporterMetadataShmem.h',
'CrossProcessMutex.h',
'FileDescriptor.h',
'FileDescriptorSetChild.h',
@@ -122,9 +119,6 @@ UNIFIED_SOURCES += [
'BackgroundImpl.cpp',
'BackgroundUtils.cpp',
'BrowserProcessSubThread.cpp',
- 'CrashReporterClient.cpp',
- 'CrashReporterHost.cpp',
- 'CrashReporterMetadataShmem.cpp',
'FileDescriptor.cpp',
'FileDescriptorUtils.cpp',
'InputStreamUtils.cpp',
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-10 10:04:49 +0000