browser_main_gtk.cc revision 201ade2fbba22bfb27ae029f4d23fca6ded109a0 
1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/browser_main_gtk.h"
6
7#include <sys/stat.h>
8#include <sys/types.h>
9#include <unistd.h>
10
11#include "app/x11_util.h"
12#include "app/x11_util_internal.h"
13#include "base/command_line.h"
14#include "base/debug/debugger.h"
15#include "chrome/browser/browser_list.h"
16#include "chrome/browser/browser_main_gtk.h"
17#include "chrome/browser/browser_main_win.h"
18#include "chrome/browser/metrics/metrics_service.h"
19#include "chrome/browser/renderer_host/render_sandbox_host_linux.h"
20#include "chrome/browser/zygote_host_linux.h"
21#include "chrome/common/chrome_switches.h"
22#include "chrome/common/result_codes.h"
23
24#if defined(USE_NSS)
25#include "base/nss_util.h"
26#endif
27
28#if defined(USE_LINUX_BREAKPAD)
29#include "chrome/app/breakpad_linux.h"
30#endif
31
32namespace {
33
34// Indicates that we're currently responding to an IO error (by shutting down).
35bool g_in_x11_io_error_handler = false;
36
37int BrowserX11ErrorHandler(Display* d, XErrorEvent* error) {
38  if (!g_in_x11_io_error_handler)
39    LOG(ERROR) << x11_util::GetErrorEventDescription(d, error);
40  return 0;
41}
42
43int BrowserX11IOErrorHandler(Display* d) {
44  // If there's an IO error it likely means the X server has gone away
45  if (!g_in_x11_io_error_handler) {
46    g_in_x11_io_error_handler = true;
47    LOG(ERROR) << "X IO Error detected";
48    BrowserList::SessionEnding();
49  }
50
51  return 0;
52}
53
54}  // namespace
55
56void BrowserMainPartsGtk::PreEarlyInitialization() {
57  BrowserMainPartsPosix::PreEarlyInitialization();
58
59  SetupSandbox();
60
61#if defined(USE_NSS)
62  // We want to be sure to init NSPR on the main thread.
63  base::EnsureNSPRInit();
64#endif
65}
66
67void BrowserMainPartsGtk::SetupSandbox() {
68  // TODO(evanm): move this into SandboxWrapper; I'm just trying to move this
69  // code en masse out of chrome_main for now.
70  const char* sandbox_binary = NULL;
71  struct stat st;
72
73  // In Chromium branded builds, developers can set an environment variable to
74  // use the development sandbox. See
75  // http://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment
76  if (stat("/proc/self/exe", &st) == 0 && st.st_uid == getuid())
77    sandbox_binary = getenv("CHROME_DEVEL_SANDBOX");
78
79#if defined(LINUX_SANDBOX_PATH)
80  if (!sandbox_binary)
81    sandbox_binary = LINUX_SANDBOX_PATH;
82#endif
83
84  std::string sandbox_cmd;
85  if (sandbox_binary && !parsed_command_line().HasSwitch(switches::kNoSandbox))
86    sandbox_cmd = sandbox_binary;
87
88  // Tickle the sandbox host and zygote host so they fork now.
89  RenderSandboxHostLinux* shost = Singleton<RenderSandboxHostLinux>::get();
90  shost->Init(sandbox_cmd);
91  ZygoteHost* zhost = Singleton<ZygoteHost>::get();
92  zhost->Init(sandbox_cmd);
93}
94
95void DidEndMainMessageLoop() {
96}
97
98void RecordBreakpadStatusUMA(MetricsService* metrics) {
99#if defined(USE_LINUX_BREAKPAD)
100  metrics->RecordBreakpadRegistration(IsCrashReporterEnabled());
101#else
102  metrics->RecordBreakpadRegistration(false);
103#endif
104  metrics->RecordBreakpadHasDebugger(base::debug::BeingDebugged());
105}
106
107void WarnAboutMinimumSystemRequirements() {
108  // Nothing to warn about on GTK right now.
109}
110
111// From browser_main_win.h, stubs until we figure out the right thing...
112
113int DoUninstallTasks(bool chrome_still_running) {
114  return ResultCodes::NORMAL_EXIT;
115}
116
117int HandleIconsCommands(const CommandLine &parsed_command_line) {
118  return 0;
119}
120
121bool CheckMachineLevelInstall() {
122  return false;
123}
124
125void PrepareRestartOnCrashEnviroment(const CommandLine &parsed_command_line) {
126}
127
128void SetBrowserX11ErrorHandlers() {
129  // Set up error handlers to make sure profile gets written if X server
130  // goes away.
131  x11_util::SetX11ErrorHandlers(
132      BrowserX11ErrorHandler,
133      BrowserX11IOErrorHandler);
134}
135
136#if !defined(OS_CHROMEOS)
137// static
138BrowserMainParts* BrowserMainParts::CreateBrowserMainParts(
139    const MainFunctionParams& parameters) {
140  return new BrowserMainPartsGtk(parameters);
141}
142#endif
143