Chrome Frame: Add explicit object security attributes to the Chrome Frame ver...

base/shared_memory_win.cc

 // Copyright (c) 2006-2008 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/shared_memory.h"
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
 
 namespace base {
@@ skipping 179 matching lines @@
     memory_ = NULL;
   }
 
   if (mapped_file_ != NULL) {
     CloseHandle(mapped_file_);
     mapped_file_ = NULL;
   }
 }
 
 void SharedMemory::Lock() {
-  Lock(INFINITE);
+  Lock(INFINITE, NULL);
 }
 
-bool SharedMemory::Lock(uint32 timeout_ms) {
+bool SharedMemory::Lock(uint32 timeout_ms, SECURITY_ATTRIBUTES* sec_attr) {
   if (lock_ == NULL) {
     std::wstring name = name_;
     name.append(L"lock");
-    lock_ = CreateMutex(NULL, FALSE, name.c_str());
-    DCHECK(lock_ != NULL);
+    lock_ = CreateMutex(sec_attr, FALSE, name.c_str());
     if (lock_ == NULL) {
-      DLOG(ERROR) << "Could not create mutex" << GetLastError();
+      PLOG(ERROR) << "Could not create mutex.";
       return false;  // there is nothing good we can do here.
     }
   }
   DWORD result = WaitForSingleObject(lock_, timeout_ms);
 
   // Return false for WAIT_ABANDONED, WAIT_TIMEOUT or WAIT_FAILED.
   return (result == WAIT_OBJECT_0);
 }
 
 void SharedMemory::Unlock() {
   DCHECK(lock_ != NULL);
   ReleaseMutex(lock_);
 }
 
 SharedMemoryHandle SharedMemory::handle() const {
   return mapped_file_;
 }
 
 }  // namespace base