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

base/shared_memory.h

 // Copyright (c) 2010 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.
 
 #ifndef BASE_SHARED_MEMORY_H_
 #define BASE_SHARED_MEMORY_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 155 matching lines @@
   // locked by the same thread.
   // TODO(port):
   // WARNING: on POSIX the lock only works across processes, not
   // across threads.  2 threads in the same process can both grab the
   // lock at the same time.  There are several solutions for this
   // (futex, lockf+anon_semaphore) but none are both clean and common
   // across Mac and Linux.
   void Lock();
 
 #if defined(OS_WIN)
-  // A Lock() implementation with a timeout. Returns true if the Lock() has
-  // been acquired, false if the timeout was reached.
-  bool Lock(uint32 timeout_ms);
+  // A Lock() implementation with a timeout that also allows setting
+  // security attributes on the mutex. sec_attr may be NULL.
+  // Returns true if the Lock() has been acquired, false if the timeout was
+  // reached.
+  bool Lock(uint32 timeout_ms, SECURITY_ATTRIBUTES* sec_attr);
 #endif
 
   // Releases the shared memory lock.
   void Unlock();
 
  private:
 #if defined(OS_POSIX)
   bool PrepareMapFile(FILE *fp);
   bool FilePathForMemoryName(const std::string& mem_name, FilePath* path);
   void LockOrUnlockCommon(int function);
@@ skipping 34 matching lines @@
   }
 
  private:
   SharedMemory* shared_memory_;
   DISALLOW_COPY_AND_ASSIGN(SharedMemoryAutoLock);
 };
 
 }  // namespace base
 
 #endif  // BASE_SHARED_MEMORY_H_