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Revert revision 978 changes: When running in single-process mode wait for the render thread to stop before shutting down the context (issue #570). 

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/1364@1077 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt 2013-02-01 20:02:38 +00:00
parent 6f54e8b117
commit 545dc47102
3 changed files with 2 additions and 46 deletions
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11
cef3/libcef/browser/context.cc
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@ -13,16 +13,13 @@
#include "libcef/browser/thread_util.h"
#include "libcef/browser/trace_subscriber.h"
#include "libcef/common/main_delegate.h"
#include "libcef/renderer/content_renderer_client.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/synchronization/waitable_event.h"
#include "base/threading/platform_thread.h"
#include "content/public/app/content_main.h"
#include "content/public/app/content_main_runner.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/common/content_switches.h"
#include "ui/base/ui_base_switches.h"
@ -344,14 +341,6 @@ void CefContext::FinishShutdownOnUIThread(
}
void CefContext::FinalizeShutdown() {
if (content::RenderProcessHost::run_renderer_in_process()) {
// When running in single-process mode wait for the render thread to stop
// before continuing shutdown. Spin instead of using base::WaitableEvent
// because calling Wait() is not allowed on the UI thread.
while (!CefContentRendererClient::Get()->IsRenderThreadShutdownComplete())
base::PlatformThread::YieldCurrentThread();
}
// Shut down the browser runner or UI thread.
main_delegate_->ShutdownBrowser();

22
cef3/libcef/renderer/content_renderer_client.cc
View File

@ -30,7 +30,6 @@ MSVC_POP_WARNING();
#include "base/path_service.h"
#include "base/string_number_conversions.h"
#include "content/common/child_thread.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/renderer/render_thread.h"
#include "content/public/renderer/render_view.h"
#include "ipc/ipc_sync_channel.h"
@ -209,8 +208,7 @@ struct CefContentRendererClient::SchemeInfo {
CefContentRendererClient::CefContentRendererClient()
: devtools_agent_count_(0),
uncaught_exception_stack_size_(0),
render_thread_shutdown_complete_(false) {
uncaught_exception_stack_size_(0) {
}
CefContentRendererClient::~CefContentRendererClient() {
@ -413,12 +411,6 @@ void CefContentRendererClient::RemoveWorkerTaskRunner(int worker_id) {
worker_task_runner_map_.erase(it);
}
bool CefContentRendererClient::IsRenderThreadShutdownComplete() {
DCHECK(content::RenderProcessHost::run_renderer_in_process());
base::AutoLock lock_scope(render_thread_shutdown_lock_);
return render_thread_shutdown_complete_;
}
void CefContentRendererClient::RenderThreadStarted() {
render_task_runner_ = base::MessageLoopProxy::current();
observer_.reset(new CefRenderProcessObserver());
@ -427,12 +419,6 @@ void CefContentRendererClient::RenderThreadStarted() {
thread->AddObserver(observer_.get());
thread->GetChannel()->AddFilter(new CefRenderMessageFilter);
if (content::RenderProcessHost::run_renderer_in_process()) {
// When running in single-process mode register as a destruction observer
// on the render thread's MessageLoop.
MessageLoop::current()->AddDestructionObserver(this);
}
// Note that under Linux, the media library will normally already have
// been initialized by the Zygote before this instance became a Renderer.
FilePath media_path;
@ -606,9 +592,3 @@ void CefContentRendererClient::WillReleaseScriptContext(
CefV8ReleaseContext(context);
}
void CefContentRendererClient::WillDestroyCurrentMessageLoop() {
DCHECK(content::RenderProcessHost::run_renderer_in_process());
base::AutoLock lock_scope(render_thread_shutdown_lock_);
render_thread_shutdown_complete_ = true;
}

15
cef3/libcef/renderer/content_renderer_client.h
View File

@ -16,7 +16,6 @@
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/sequenced_task_runner.h"
#include "content/public/renderer/content_renderer_client.h"
@ -24,8 +23,7 @@ class CefRenderProcessObserver;
class CefWebWorkerScriptObserver;
struct Cef_CrossOriginWhiteListEntry_Params;
class CefContentRendererClient : public content::ContentRendererClient,
public MessageLoop::DestructionObserver {
class CefContentRendererClient : public content::ContentRendererClient {
public:
CefContentRendererClient();
virtual ~CefContentRendererClient();
@ -74,9 +72,6 @@ class CefContentRendererClient : public content::ContentRendererClient,
// Remove the task runner associated with the specified worker ID.
void RemoveWorkerTaskRunner(int worker_id);
// Used in single-process mode to test when the RenderThread has stopped.
bool IsRenderThreadShutdownComplete();
private:
// ContentRendererClient implementation.
virtual void RenderThreadStarted() OVERRIDE;
@ -94,9 +89,6 @@ class CefContentRendererClient : public content::ContentRendererClient,
v8::Handle<v8::Context> context,
int world_id) OVERRIDE;
// MessageLoop::DestructionObserver implementation.
virtual void WillDestroyCurrentMessageLoop() OVERRIDE;
scoped_refptr<base::SequencedTaskRunner> render_task_runner_;
scoped_ptr<CefRenderProcessObserver> observer_;
scoped_ptr<CefWebWorkerScriptObserver> worker_script_observer_;
@ -123,11 +115,6 @@ class CefContentRendererClient : public content::ContentRendererClient,
WorkerTaskRunnerMap;
WorkerTaskRunnerMap worker_task_runner_map_;
base::Lock worker_task_runner_lock_;
// Used in single-process mode to test when the RenderThread has stopped.
// Access must be protected by |render_thread_shutdown_lock_|.
bool render_thread_shutdown_complete_;
base::Lock render_thread_shutdown_lock_;
};
#endif // CEF_LIBCEF_RENDERER_CONTENT_RENDERER_CLIENT_H_