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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chrome_browser_main.h"
#include "base/bind.h"
#include "base/debug/debugger.h"
#include "base/message_loop.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/browser/metrics/metrics_service.h"
#include "chrome/common/chrome_result_codes.h"
#include "content/public/browser/browser_thread.h"
#include "ui/base/x/x11_util.h"
#include "ui/base/x/x11_util_internal.h"
#if defined(USE_LINUX_BREAKPAD)
#include "chrome/app/breakpad_linux.h"
#endif
using content::BrowserThread;
namespace {
// Indicates that we're currently responding to an IO error (by shutting down).
bool g_in_x11_io_error_handler = false;
// Number of seconds to wait for UI thread to get an IO error if we get it on
// the background thread.
const int kWaitForUIThreadSeconds = 10;
int BrowserX11ErrorHandler(Display* d, XErrorEvent* error) {
if (!g_in_x11_io_error_handler)
MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&ui::LogErrorEventDescription, d, *error));
return 0;
}
// This function is used to help us diagnose crash dumps that happen
// during the shutdown process.
NOINLINE void WaitingForUIThreadToHandleIOError() {
// Ensure function isn't optimized away.
asm("");
sleep(kWaitForUIThreadSeconds);
}
int BrowserX11IOErrorHandler(Display* d) {
if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
// Wait for the UI thread (which has a different connection to the X server)
// to get the error. We can't call shutdown from this thread without
// tripping an error. Doing it through a function so that we'll be able
// to see it in any crash dumps.
WaitingForUIThreadToHandleIOError();
return 0;
}
// If there's an IO error it likely means the X server has gone away
if (!g_in_x11_io_error_handler) {
g_in_x11_io_error_handler = true;
LOG(ERROR) << "X IO error received (X server probably went away)";
browser_shutdown::SetShuttingDownWithoutClosingBrowsers(true);
browser::SessionEnding();
}
return 0;
}
int X11EmptyErrorHandler(Display* d, XErrorEvent* error) {
return 0;
}
int X11EmptyIOErrorHandler(Display* d) {
return 0;
}
} // namespace
void RecordBreakpadStatusUMA(MetricsService* metrics) {
#if defined(USE_LINUX_BREAKPAD)
metrics->RecordBreakpadRegistration(IsCrashReporterEnabled());
#else
metrics->RecordBreakpadRegistration(false);
#endif
metrics->RecordBreakpadHasDebugger(base::debug::BeingDebugged());
}
void WarnAboutMinimumSystemRequirements() {
// Nothing to warn about on X11 right now.
}
// From browser_main_win.h, stubs until we figure out the right thing...
int DoUninstallTasks(bool chrome_still_running) {
return content::RESULT_CODE_NORMAL_EXIT;
}
void SetBrowserX11ErrorHandlers() {
// Set up error handlers to make sure profile gets written if X server
// goes away.
ui::SetX11ErrorHandlers(BrowserX11ErrorHandler, BrowserX11IOErrorHandler);
}
void UnsetBrowserX11ErrorHandlers() {
ui::SetX11ErrorHandlers(X11EmptyErrorHandler, X11EmptyIOErrorHandler);
}
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