Upstream version 5.34.92.0
[platform/framework/web/crosswalk.git] / src / content / utility / utility_main.cc
1 // Copyright (c) 2011 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 "base/command_line.h"
6 #include "base/debug/leak_annotations.h"
7 #include "base/message_loop/message_loop.h"
8 #include "base/threading/platform_thread.h"
9 #include "base/timer/hi_res_timer_manager.h"
10 #include "content/child/child_process.h"
11 #include "content/common/sandbox_linux/sandbox_linux.h"
12 #include "content/public/common/content_switches.h"
13 #include "content/public/common/main_function_params.h"
14 #include "content/public/common/sandbox_init.h"
15 #include "content/utility/utility_thread_impl.h"
16
17 #if defined(OS_WIN)
18 #include "sandbox/win/src/sandbox.h"
19 #endif
20
21 #if defined(TOOLKIT_GTK)
22 #include <gtk/gtk.h>
23
24 #include "ui/gfx/gtk_util.h"
25 #endif
26
27 namespace content {
28
29 // Mainline routine for running as the utility process.
30 int UtilityMain(const MainFunctionParams& parameters) {
31   // The main message loop of the utility process.
32   base::MessageLoop main_message_loop;
33   base::PlatformThread::SetName("CrUtilityMain");
34
35 #if defined(OS_LINUX)
36   // Initializes the sandbox before any threads are created.
37   // TODO(jorgelo): move this after GTK initialization when we enable a strict
38   // Seccomp-BPF policy.
39   LinuxSandbox::InitializeSandbox();
40 #endif
41
42 #if defined(OS_POSIX)
43   // The utility process is used to load plugins (see OnLoadPlugins() in
44   // utility_thread_impl.cc). Some plugins expect the browser to have loaded
45   // GLib/GTK.
46   // Due to bugs in GLib we need to initialize GLib/GTK before we start threads,
47   // see crbug.com/309093.
48
49 #if defined(TOOLKIT_GTK)
50   bool is_sandboxed = false;
51
52 #if defined(OS_LINUX)
53   // On Linux, we only initialize GLib/GTK if we're not sandboxed.
54   is_sandboxed = !parameters.command_line.HasSwitch(switches::kNoSandbox);
55 #endif
56
57   if (!is_sandboxed) {
58     // g_thread_init() is deprecated since glib 2.31.0, please see release note:
59     // http://mail.gnome.org/archives/gnome-announce-list/2011-October/msg00041.html
60 #if !(GLIB_CHECK_VERSION(2, 31, 0))
61     if (!g_thread_get_initialized()) {
62       g_thread_init(NULL);
63     }
64 #endif
65     gfx::GtkInitFromCommandLine(*CommandLine::ForCurrentProcess());
66   }
67 #endif
68 #endif
69
70   ChildProcess utility_process;
71   utility_process.set_main_thread(new UtilityThreadImpl());
72
73   base::HighResolutionTimerManager hi_res_timer_manager;
74
75 #if defined(OS_WIN)
76   bool no_sandbox = parameters.command_line.HasSwitch(switches::kNoSandbox);
77   if (!no_sandbox) {
78     sandbox::TargetServices* target_services =
79         parameters.sandbox_info->target_services;
80     if (!target_services)
81       return false;
82     target_services->LowerToken();
83   }
84 #endif
85
86   base::MessageLoop::current()->Run();
87
88 #if defined(LEAK_SANITIZER)
89   // Invoke LeakSanitizer before shutting down the utility thread, to avoid
90   // reporting shutdown-only leaks.
91   __lsan_do_leak_check();
92 #endif
93
94   return 0;
95 }
96
97 }  // namespace content