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Add callbacks for unresponsive render process (fixes #3661)

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The client can optionally wait or terminate the render process.

Expose process exit codes via OnRenderProcessTerminated and
CefGetExitCode (fixes #2126).

cefclient: Add a new https://tests/hang page for testing hang behavior.

cefclient: Move message and resource handling to a new BaseClientHandler
class to support loading of test pages in default Chrome UI windows.
This commit is contained in:
Marshall Greenblatt
2024-03-12 15:47:10 -04:00
parent 5e616b2df0
commit b8f91c5431
73 changed files with 1957 additions and 368 deletions
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27
libcef/browser/context.cc
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@@ -34,6 +34,9 @@ namespace {
CefContext* g_context = nullptr;
// Invalid value before CefInitialize is called.
int g_exit_code = -1;
#if DCHECK_IS_ON()
// When the process terminates check if CefShutdown() has been called.
class CefShutdownChecker {
@@ -309,8 +312,11 @@ bool CefInitialize(const CefMainArgs& args,
g_context = new CefContext();
// Initialize the global context.
if (!g_context->Initialize(args, settings, application,
windows_sandbox_info)) {
const bool initialized =
g_context->Initialize(args, settings, application, windows_sandbox_info);
g_exit_code = g_context->exit_code();
if (!initialized) {
// Initialization failed. Delete the global context object.
delete g_context;
g_context = nullptr;
@@ -320,6 +326,11 @@ bool CefInitialize(const CefMainArgs& args,
return true;
}
int CefGetExitCode() {
DCHECK_NE(g_exit_code, -1) << "invalid call to CefGetExitCode";
return g_exit_code;
}
void CefShutdown() {
// Verify that the context is in a valid state.
if (!CONTEXT_STATE_VALID()) {
@@ -477,10 +488,14 @@ bool CefContext::Initialize(const CefMainArgs& args,
main_runner_ = std::make_unique<CefMainRunner>(
settings_.multi_threaded_message_loop, settings_.external_message_pump);
if (!main_runner_->Initialize(
&settings_, application, args, windows_sandbox_info, &initialized_,
base::BindOnce(&CefContext::OnContextInitialized,
base::Unretained(this)))) {
const bool initialized = main_runner_->Initialize(
&settings_, application, args, windows_sandbox_info, &initialized_,
base::BindOnce(&CefContext::OnContextInitialized,
base::Unretained(this)));
exit_code_ = main_runner_->exit_code();
if (!initialized) {
shutting_down_ = true;
FinalizeShutdown();
return false;