text: /**
   * PANDA 3D SOFTWARE
   * Copyright (c) Carnegie Mellon University.  All rights reserved.
   *
   * All use of this software is subject to the terms of the revised BSD
   * license.  You should have received a copy of this license along
   * with this source code in a file named "LICENSE."
   *
   * @file lightReMutexDirect.h
   * @author drose
   * @date 2008-10-08
   */
  
  #ifndef LIGHTREMUTEXDIRECT_H
  #define LIGHTREMUTEXDIRECT_H
  
  #include "pandabase.h"
  #include "mutexImpl.h"
  #include "reMutexDirect.h"
  
  class Thread;
  
  #ifndef DEBUG_THREADS
  
  /**
   * This class implements a standard lightReMutex by making direct calls to the
   * underlying implementation layer.  It doesn't perform any debugging
   * operations.
   */
  class EXPCL_PANDA_PIPELINE LightReMutexDirect {
  protected:
    LightReMutexDirect() = default;
    LightReMutexDirect(const LightReMutexDirect &copy) = delete;
    ~LightReMutexDirect() = default;
  
    void operator = (const LightReMutexDirect &copy) = delete;
  
  public:
    INLINE void lock();
    INLINE bool try_lock();
    INLINE void unlock();
  
  PUBLISHED:
    BLOCKING INLINE void acquire() const;
    BLOCKING INLINE void acquire(Thread *current_thread) const;
    INLINE void elevate_lock() const;
    INLINE void release() const;
  
    INLINE bool debug_is_locked() const;
  
    INLINE void set_name(const std::string &name);
    INLINE void clear_name();
    INLINE bool has_name() const;
    INLINE std::string get_name() const;
  
    void output(std::ostream &out) const;
  
  private:
  #ifdef HAVE_REMUTEXTRUEIMPL
    mutable ReMutexTrueImpl _impl;
  
  #else
    // If we don't have a reentrant mutex, use the one we hand-rolled in
    // ReMutexDirect.
    mutable ReMutexDirect _impl;
  #endif  // HAVE_REMUTEXIMPL
  };
  
  INLINE std::ostream &
  operator << (std::ostream &out, const LightReMutexDirect &m) {
    m.output(out);
    return out;
  }
  
  #include "lightReMutexDirect.I"
  
  #endif  // !DEBUG_THREADS
  
  #endif
  