POSIX: don't spawn zombies.

base/process_util_win.cc

 // Copyright (c) 2009 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 <windows.h>
 #include <winternl.h>
 #include <psapi.h>
 
@@ skipping 252 matching lines @@
   if (result && wait) {
     // The process may not end immediately due to pending I/O
     if (WAIT_OBJECT_0 != WaitForSingleObject(process, 60 * 1000))
       DLOG(ERROR) << "Error waiting for process exit: " << GetLastError();
   } else if (!result) {
     DLOG(ERROR) << "Unable to terminate process: " << GetLastError();
   }
   return result;
 }
 
-bool DidProcessCrash(ProcessHandle handle) {
+bool DidProcessCrash(bool* child_exited, ProcessHandle handle) {
   DWORD exitcode = 0;
+
+  if (child_exited)
+    *child_exited = true;  // On Windows it an error to call this function if
+                           // the child hasn't already exited.
   if (!::GetExitCodeProcess(handle, &exitcode)) {
     NOTREACHED();
     return false;
   }
   if (exitcode == STILL_ACTIVE) {
     // The process is likely not dead or it used 0x103 as exit code.
     NOTREACHED();
     return false;
   }
 
@@ skipping 443 matching lines @@
 void EnableTerminationOnHeapCorruption() {
   // Ignore the result code. Supported on XP SP3 and Vista.
   HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
 }
 
 void RaiseProcessToHighPriority() {
   SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);
 }
 
 }  // namespace base