base/test/multiprocess_test.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 "base/test/multiprocess_test.h"
   6
   7 #include "base/base_switches.h"
   8 #include "base/command_line.h"
   9
  10 namespace base {
  11
  12 MultiProcessTest::MultiProcessTest() {
  13 }
  14
  15 ProcessHandle MultiProcessTest::SpawnChild(const std::string& procname,
  16                                            bool debug_on_start) {
  17   FileHandleMappingVector empty_file_list;
  18   return SpawnChildImpl(procname, empty_file_list, debug_on_start);
  19 }
  20
  21 #if defined(OS_POSIX)
  22 ProcessHandle MultiProcessTest::SpawnChild(
  23     const std::string& procname,
  24     const FileHandleMappingVector& fds_to_map,
  25     bool debug_on_start) {
  26   return SpawnChildImpl(procname, fds_to_map, debug_on_start);
  27 }
  28 #endif
  29
  30 CommandLine MultiProcessTest::MakeCmdLine(const std::string& procname,
  31                                           bool debug_on_start) {
  32   CommandLine cl(*CommandLine::ForCurrentProcess());
  33   cl.AppendSwitchASCII(switches::kTestChildProcess, procname);
  34   if (debug_on_start)
  35     cl.AppendSwitch(switches::kDebugOnStart);
  36   return cl;
  37 }
  38
  39 #if !defined(OS_ANDROID)
  40 ProcessHandle MultiProcessTest::SpawnChildImpl(
  41     const std::string& procname,
  42     const FileHandleMappingVector& fds_to_map,
  43     bool debug_on_start) {
  44   ProcessHandle handle = kNullProcessHandle;
  45   base::LaunchOptions options;
  46 #if defined(OS_WIN)
  47   options.start_hidden = true;
  48 #else
  49   options.fds_to_remap = &fds_to_map;
  50 #endif
  51   base::LaunchProcess(MakeCmdLine(procname, debug_on_start), options, &handle);
  52   return handle;
  53 }
  54 #endif  // !defined(OS_ANDROID)
  55
  56 }  // namespace base