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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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46
include/capi/cef_request_handler_capi.h
View File

@@ -33,7 +33,7 @@
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
// $hash=3b59c0bc014d773dedc24649071141ee2dd2125c$
// $hash=2e8b5c5107f61e3d4c333dc02c76a9f30cd0cf83$
//
#ifndef CEF_INCLUDE_CAPI_CEF_REQUEST_HANDLER_CAPI_H_
@@ -48,6 +48,7 @@
#include "include/capi/cef_request_capi.h"
#include "include/capi/cef_resource_request_handler_capi.h"
#include "include/capi/cef_ssl_info_capi.h"
#include "include/capi/cef_unresponsive_process_callback_capi.h"
#include "include/capi/cef_x509_certificate_capi.h"
#ifdef __cplusplus
@@ -222,14 +223,53 @@ typedef struct _cef_request_handler_t {
void(CEF_CALLBACK* on_render_view_ready)(struct _cef_request_handler_t* self,
struct _cef_browser_t* browser);
///
/// Called on the browser process UI thread when the render process is
/// unresponsive as indicated by a lack of input event processing for at least
/// 15 seconds. Return false (0) for the default behavior which is an
/// indefinite wait with the Alloy runtime or display of the "Page
/// unresponsive" dialog with the Chrome runtime. Return true (1) and don't
/// execute the callback for an indefinite wait without display of the Chrome
/// runtime dialog. Return true (1) and call
/// cef_unresponsive_process_callback_t::Wait either in this function or at a
/// later time to reset the wait timer, potentially triggering another call to
/// this function if the process remains unresponsive. Return true (1) and
/// call cef_unresponsive_process_callback_t:: Terminate either in this
/// function or at a later time to terminate the unresponsive process,
/// resulting in a call to OnRenderProcessTerminated.
/// OnRenderProcessResponsive will be called if the process becomes responsive
/// after this function is called. This functionality depends on the hang
/// monitor which can be disabled by passing the `--disable-hang-monitor`
/// command-line flag.
///
int(CEF_CALLBACK* on_render_process_unresponsive)(
struct _cef_request_handler_t* self,
struct _cef_browser_t* browser,
struct _cef_unresponsive_process_callback_t* callback);
///
/// Called on the browser process UI thread when the render process becomes
/// responsive after previously being unresponsive. See documentation on
/// OnRenderProcessUnresponsive.
///
void(CEF_CALLBACK* on_render_process_responsive)(
struct _cef_request_handler_t* self,
struct _cef_browser_t* browser);
///
/// Called on the browser process UI thread when the render process terminates
/// unexpectedly. |status| indicates how the process terminated.
/// unexpectedly. |status| indicates how the process terminated. |error_code|
/// and |error_string| represent the error that would be displayed in Chrome's
/// "Aw, Snap!" view. Possible |error_code| values include cef_resultcode_t
/// non-normal exit values and platform-specific crash values (for example, a
/// Posix signal or Windows hardware exception).
///
void(CEF_CALLBACK* on_render_process_terminated)(
struct _cef_request_handler_t* self,
struct _cef_browser_t* browser,
cef_termination_status_t status);
cef_termination_status_t status,
int error_code,
const cef_string_t* error_string);
///
/// Called on the browser process UI thread when the window.document object of