The Windows portion of Native Messagaing

base/process_util_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/process_util.h"
 
 #include <fcntl.h>
 #include <io.h>
 #include <windows.h>
 #include <userenv.h>
@@ skipping 288 matching lines @@
 bool LaunchProcess(const string16& cmdline,
                    const LaunchOptions& options,
                    ProcessHandle* process_handle) {
   STARTUPINFO startup_info = {};
   startup_info.cb = sizeof(startup_info);
   if (options.empty_desktop_name)
     startup_info.lpDesktop = L"";
   startup_info.dwFlags = STARTF_USESHOWWINDOW;
   startup_info.wShowWindow = options.start_hidden ? SW_HIDE : SW_SHOW;
 
+  if (options.stdin_handle != kNullProcessHandle) {
+    startup_info.dwFlags |= STARTF_USESTDHANDLES;

[rvargas (doing something else), 2012/11/29 01:19:23]

Unused handles should be set to INVALID_HANDLE_VALUE when this flag is set.

[Sergey Ulanov, 2012/12/01 01:23:00]

Done in crrev.com/11419267

+    startup_info.hStdInput = options.stdin_handle;
+  }
+  if (options.stdout_handle != kNullProcessHandle) {
+    startup_info.dwFlags |= STARTF_USESTDHANDLES;
+    startup_info.hStdOutput = options.stdout_handle;
+  }
+
   DWORD flags = 0;
 
   if (options.job_handle) {
     flags |= CREATE_SUSPENDED;
 
     // If this code is run under a debugger, the launched process is
     // automatically associated with a job object created by the debugger.
     // The CREATE_BREAKAWAY_FROM_JOB flag is used to prevent this.
     flags |= CREATE_BREAKAWAY_FROM_JOB;
   }
@@ skipping 676 matching lines @@
 
   PERFORMANCE_INFORMATION info;
   if (!InternalGetPerformanceInfo(&info, sizeof(info))) {
     DLOG(ERROR) << "Failed to fetch internal performance info.";
     return 0;
   }
   return (info.CommitTotal * system_info.dwPageSize) / 1024;
 }
 
 }  // namespace base