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Fix DiscardableSharedMemoryManager crash on shutdown with multi-threaded message loop (fixes issue #2798)

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This commit is contained in:
Marshall Greenblatt
2019-11-06 16:29:34 -05:00
parent ac2a9cd693
commit 8819d2e34e
4 changed files with 84 additions and 14 deletions
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2
libcef/browser/context.cc
View File

@@ -613,6 +613,8 @@ void CefContext::FinishShutdownOnUIThread(
ui::ResourceBundle::GetSharedInstance().CleanupOnUIThread();
sm_main_delegate_->ShutdownOnUIThread();
if (uithread_shutdown_event)
uithread_shutdown_event->Signal();
}

9
patch/patch.cfg
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@@ -442,5 +442,14 @@ patches = [
# Remove cef_sandbox dependency on boringssl MD5/SHA1 functions.
# https://bitbucket.org/chromiumembedded/cef/issues/2743
'name': 'base_sandbox_2743',
},
{
# Fix component build error due to ContentServiceManagerMainDelegate not
# being exported.
#
# Fix DiscardableSharedMemoryManager crash on shutdown with multi-threaded
# message loop.
# https://bitbucket.org/chromiumembedded/cef/issues/2798
'name': 'content_app_shutdown_2798',
}
]

14
patch/patches/component_build.patch
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@@ -1,17 +1,3 @@
diff --git content/app/content_service_manager_main_delegate.h content/app/content_service_manager_main_delegate.h
index 864f2a5a315a..78b71d523e86 100644
--- content/app/content_service_manager_main_delegate.h
+++ content/app/content_service_manager_main_delegate.h
@@ -18,7 +18,8 @@ namespace content {
class ContentMainRunnerImpl;
-class ContentServiceManagerMainDelegate : public service_manager::MainDelegate {
+class CONTENT_EXPORT ContentServiceManagerMainDelegate :
+ public service_manager::MainDelegate {
public:
explicit ContentServiceManagerMainDelegate(const ContentMainParams& params);
~ContentServiceManagerMainDelegate() override;
diff --git content/browser/devtools/devtools_instrumentation.h content/browser/devtools/devtools_instrumentation.h
index 2207045d28b6..b87d28e8e618 100644
--- content/browser/devtools/devtools_instrumentation.h

73
patch/patches/content_app_shutdown_2798.patch Normal file
View File

@@ -0,0 +1,73 @@
diff --git content/app/content_main_runner_impl.cc content/app/content_main_runner_impl.cc
index 579f1767e7cd..84f6494a6a76 100644
--- content/app/content_main_runner_impl.cc
+++ content/app/content_main_runner_impl.cc
@@ -42,6 +42,7 @@
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/task/post_task.h"
+#include "base/threading/thread_restrictions.h"
#include "base/trace_event/trace_event.h"
#include "components/discardable_memory/service/discardable_shared_memory_manager.h"
#include "components/download/public/common/download_task_runner.h"
@@ -999,6 +1000,11 @@ void ContentMainRunnerImpl::Shutdown() {
is_shutdown_ = true;
}
+void ContentMainRunnerImpl::ShutdownOnUIThread() {
+ base::ScopedAllowBaseSyncPrimitivesForTesting allow_wait;
+ discardable_shared_memory_manager_.reset();
+}
+
// static
ContentMainRunner* ContentMainRunner::Create() {
return ContentMainRunnerImpl::Create();
diff --git content/app/content_main_runner_impl.h content/app/content_main_runner_impl.h
index 1a76e95cb041..bdd60c054abc 100644
--- content/app/content_main_runner_impl.h
+++ content/app/content_main_runner_impl.h
@@ -51,6 +51,8 @@ class ContentMainRunnerImpl : public ContentMainRunner {
int Run(bool start_service_manager_only) override;
void Shutdown() override;
+ void ShutdownOnUIThread();
+
private:
#if !defined(CHROME_MULTIPLE_DLL_CHILD)
int RunServiceManager(MainFunctionParams& main_function_params,
diff --git content/app/content_service_manager_main_delegate.cc content/app/content_service_manager_main_delegate.cc
index c8a728e73782..fe8e3e608acc 100644
--- content/app/content_service_manager_main_delegate.cc
+++ content/app/content_service_manager_main_delegate.cc
@@ -130,4 +130,8 @@ void ContentServiceManagerMainDelegate::SetStartServiceManagerOnly(
start_service_manager_only_ = start_service_manager_only;
}
+void ContentServiceManagerMainDelegate::ShutdownOnUIThread() {
+ content_main_runner_->ShutdownOnUIThread();
+}
+
} // namespace content
diff --git content/app/content_service_manager_main_delegate.h content/app/content_service_manager_main_delegate.h
index 864f2a5a315a..241052bb5d99 100644
--- content/app/content_service_manager_main_delegate.h
+++ content/app/content_service_manager_main_delegate.h
@@ -18,7 +18,8 @@ namespace content {
class ContentMainRunnerImpl;
-class ContentServiceManagerMainDelegate : public service_manager::MainDelegate {
+class CONTENT_EXPORT ContentServiceManagerMainDelegate :
+ public service_manager::MainDelegate {
public:
explicit ContentServiceManagerMainDelegate(const ContentMainParams& params);
~ContentServiceManagerMainDelegate() override;
@@ -46,6 +47,8 @@ class ContentServiceManagerMainDelegate : public service_manager::MainDelegate {
// full browser.
void SetStartServiceManagerOnly(bool start_service_manager_only);
+ void ShutdownOnUIThread();
+
private:
ContentMainParams content_main_params_;
std::unique_ptr<ContentMainRunnerImpl> content_main_runner_;