зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.3 KiB
C++
110 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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 "nsGDKErrorHandler.h"
|
|
|
|
#include <gtk/gtk.h>
|
|
#include <gdk/gdkx.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "nsDebug.h"
|
|
#include "nsString.h"
|
|
#include "nsX11ErrorHandler.h"
|
|
|
|
#include "prenv.h"
|
|
|
|
/* See https://bugzilla.gnome.org/show_bug.cgi?id=629608#c8
|
|
*
|
|
* GDK implements X11 error traps to ignore X11 errors.
|
|
* Unfortunatelly We don't know which X11 events can be ignored
|
|
* so we have to utilize the Gdk error handler to avoid
|
|
* false alarms in Gtk3.
|
|
*/
|
|
static void GdkErrorHandler(const gchar* log_domain, GLogLevelFlags log_level,
|
|
const gchar* message, gpointer user_data) {
|
|
if (strstr(message, "X Window System error")) {
|
|
XErrorEvent event;
|
|
nsDependentCString buffer(message);
|
|
char* endptr;
|
|
|
|
/* Parse Gdk X Window error message which has this format:
|
|
* (Details: serial XXXX error_code XXXX request_code XXXX (XXXX) minor_code
|
|
* XXXX)
|
|
*/
|
|
NS_NAMED_LITERAL_CSTRING(serialString, "(Details: serial ");
|
|
int32_t start = buffer.Find(serialString);
|
|
if (start == kNotFound) {
|
|
MOZ_CRASH_UNSAFE(message);
|
|
}
|
|
|
|
start += serialString.Length();
|
|
errno = 0;
|
|
event.serial = strtol(buffer.BeginReading() + start, &endptr, 10);
|
|
if (errno) {
|
|
MOZ_CRASH_UNSAFE(message);
|
|
}
|
|
|
|
NS_NAMED_LITERAL_CSTRING(errorCodeString, " error_code ");
|
|
if (!StringBeginsWith(Substring(endptr, buffer.EndReading()),
|
|
errorCodeString)) {
|
|
MOZ_CRASH_UNSAFE(message);
|
|
}
|
|
|
|
errno = 0;
|
|
event.error_code = strtol(endptr + errorCodeString.Length(), &endptr, 10);
|
|
if (errno) {
|
|
MOZ_CRASH_UNSAFE(message);
|
|
}
|
|
|
|
NS_NAMED_LITERAL_CSTRING(requestCodeString, " request_code ");
|
|
if (!StringBeginsWith(Substring(endptr, buffer.EndReading()),
|
|
requestCodeString)) {
|
|
MOZ_CRASH_UNSAFE(message);
|
|
}
|
|
|
|
errno = 0;
|
|
event.request_code =
|
|
strtol(endptr + requestCodeString.Length(), &endptr, 10);
|
|
if (errno) {
|
|
MOZ_CRASH_UNSAFE(message);
|
|
}
|
|
|
|
NS_NAMED_LITERAL_CSTRING(minorCodeString, " minor_code ");
|
|
start = buffer.Find(minorCodeString, /* aIgnoreCase = */ false,
|
|
endptr - buffer.BeginReading());
|
|
if (!start) {
|
|
MOZ_CRASH_UNSAFE(message);
|
|
}
|
|
|
|
errno = 0;
|
|
event.minor_code = strtol(
|
|
buffer.BeginReading() + start + minorCodeString.Length(), nullptr, 10);
|
|
if (errno) {
|
|
MOZ_CRASH_UNSAFE(message);
|
|
}
|
|
|
|
event.display = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
|
|
// Gdk does not provide resource ID
|
|
event.resourceid = 0;
|
|
|
|
X11Error(event.display, &event);
|
|
} else {
|
|
g_log_default_handler(log_domain, log_level, message, user_data);
|
|
MOZ_CRASH_UNSAFE(message);
|
|
}
|
|
}
|
|
|
|
void InstallGdkErrorHandler() {
|
|
g_log_set_handler("Gdk",
|
|
(GLogLevelFlags)(G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL |
|
|
G_LOG_FLAG_RECURSION),
|
|
GdkErrorHandler, nullptr);
|
|
if (PR_GetEnv("MOZ_X_SYNC")) {
|
|
XSynchronize(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), X11True);
|
|
}
|
|
}
|