chrome/common/service_process_util_linux.cc

   1 // Copyright (c) 2012 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/common/service_process_util_posix.h"
   6
   7 #include <signal.h>
   8 #include <unistd.h>
   9
  10 #include "base/base_paths.h"
  11 #include "base/command_line.h"
  12 #include "base/files/file_path.h"
  13 #include "base/logging.h"
  14 #include "base/path_service.h"
  15 #include "base/threading/platform_thread.h"
  16 #include "chrome/common/auto_start_linux.h"
  17 #include "chrome/common/multi_process_lock.h"
  18
  19 namespace {
  20
  21 MultiProcessLock* TakeServiceInitializingLock(bool waiting) {
  22   std::string lock_name =
  23       GetServiceProcessScopedName("_service_initializing");
  24   return TakeNamedLock(lock_name, waiting);
  25 }
  26
  27 std::string GetBaseDesktopName() {
  28 #if defined(GOOGLE_CHROME_BUILD)
  29   return "google-chrome-service.desktop";
  30 #else  // CHROMIUM_BUILD
  31   return "chromium-service.desktop";
  32 #endif
  33 }
  34 }  // namespace
  35
  36 MultiProcessLock* TakeServiceRunningLock(bool waiting) {
  37   std::string lock_name =
  38       GetServiceProcessScopedName("_service_running");
  39   return TakeNamedLock(lock_name, waiting);
  40 }
  41
  42 bool ForceServiceProcessShutdown(const std::string& version,
  43                                  base::ProcessId process_id) {
  44   if (kill(process_id, SIGTERM) < 0) {
  45     DPLOG(ERROR) << "kill";
  46     return false;
  47   }
  48   return true;
  49 }
  50
  51 // Gets the name of the service process IPC channel.
  52 // Returns an absolute path as required.
  53 IPC::ChannelHandle GetServiceProcessChannel() {
  54   base::FilePath temp_dir;
  55   PathService::Get(base::DIR_TEMP, &temp_dir);
  56   std::string pipe_name = GetServiceProcessScopedVersionedName("_service_ipc");
  57   std::string pipe_path = temp_dir.Append(pipe_name).value();
  58   return pipe_path;
  59 }
  60
  61
  62
  63 bool CheckServiceProcessReady() {
  64   scoped_ptr<MultiProcessLock> running_lock(TakeServiceRunningLock(false));
  65   return running_lock.get() == NULL;
  66 }
  67
  68 bool ServiceProcessState::TakeSingletonLock() {
  69   state_->initializing_lock_.reset(TakeServiceInitializingLock(true));
  70   return state_->initializing_lock_.get();
  71 }
  72
  73 bool ServiceProcessState::AddToAutoRun() {
  74   DCHECK(autorun_command_line_.get());
  75 #if defined(GOOGLE_CHROME_BUILD)
  76   std::string app_name = "Google Chrome Service";
  77 #else  // CHROMIUM_BUILD
  78   std::string app_name = "Chromium Service";
  79 #endif
  80   return AutoStart::AddApplication(
  81       GetServiceProcessScopedName(GetBaseDesktopName()),
  82       app_name,
  83       autorun_command_line_->GetCommandLineString(),
  84       false);
  85 }
  86
  87 bool ServiceProcessState::RemoveFromAutoRun() {
  88   return AutoStart::Remove(
  89       GetServiceProcessScopedName(GetBaseDesktopName()));
  90 }