port_win.cc

// LevelDB Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
//
// See port_example.h for documentation for the following types/functions.

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// modification, are permitted provided that the following conditions are met:
// 
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//    notice, this list of conditions and the following disclaimer.
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//    names of its contributors may be used to endorse or promote products
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#if defined(LEVELDB_PLATFORM_WINDOWS)

#include "port/port_win.h"

#include <windows.h>
#include <cassert>

#define ZLIB

#ifdef SNAPPY
	#include <snappy/snappy.h>
#elif defined(ZLIB)
	#include <zlib.h>
#endif

namespace leveldb {
namespace port {

AtomicPointer::AtomicPointer(void* v) {
  Release_Store(v);
}

void* AtomicPointer::Acquire_Load() const {
  void * p = nullptr;
  InterlockedExchangePointer(&p, rep_);
  return p;
}

void AtomicPointer::Release_Store(void* v) {
  InterlockedExchangePointer(&rep_, v);
}

void* AtomicPointer::NoBarrier_Load() const {
  return rep_;
}

void AtomicPointer::NoBarrier_Store(void* v) {
  rep_ = v;
}

}
}

#endif