Extract similar code into SetJobObjectAsKillOnJobClose()

base/process_util_win.cc

 // Copyright (c) 2011 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 344 matching lines @@
   }
   return true;
 }
 
 bool LaunchProcess(const CommandLine& cmdline,
                    const LaunchOptions& options,
                    ProcessHandle* process_handle) {
   return LaunchProcess(cmdline.GetCommandLineString(), options, process_handle);
 }
 
+bool SetJobObjectAsKillOnJobClose(HANDLE job_object) {
+  JOBOBJECT_EXTENDED_LIMIT_INFORMATION limit_info = {0};
+  limit_info.BasicLimitInformation.LimitFlags =
+      JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
+  return 0 != SetInformationJobObject(
+      job_object,
+      JobObjectExtendedLimitInformation,
+      &limit_info,
+      sizeof(limit_info));
+}
+
 // Attempts to kill the process identified by the given process
 // entry structure, giving it the specified exit code.
 // Returns true if this is successful, false otherwise.
 bool KillProcessById(ProcessId process_id, int exit_code, bool wait) {
   HANDLE process = OpenProcess(PROCESS_TERMINATE | SYNCHRONIZE,
                                FALSE,  // Don't inherit handle
                                process_id);
   if (!process) {
     DLOG(ERROR) << "Unable to open process " << process_id << " : "
                 << GetLastError();
@@ skipping 598 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