o3d/statsreport/lock.h

/*
 * Copyright 2009, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */


// Declaration of LLock, the lock implementation we use.
#ifndef O3D_STATSREPORT_LOCK_H_
#define O3D_STATSREPORT_LOCK_H_

#include <windows.h>

namespace stats_report {

class LLock {
 public:
  LLock() {
    InitializeCriticalSection(&lock_);
  }
  ~LLock() {
    DeleteCriticalSection(&lock_);
  };

  void Lock() {
    EnterCriticalSection(&lock_);
  }
  void Unlock() {
    LeaveCriticalSection(&lock_);
  }

 private:
  CRITICAL_SECTION lock_;
};

}  // namespace stats_report

#endif  // O3D_STATSREPORT_LOCK_H_