Home | History | Annotate | Download | only in common 
      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 }
     91