Socket subsystem implementation

libraries/nacl-mounts/buffer/BufferMount.cc

 /*
  * Copyright (c) 2012 The Native Client 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 "BufferMount.h"
 #include <assert.h>
 #include <errno.h>
 #include <string.h>
-#include "../util/SimpleAutoLock.h"
+#include "../util/PthreadHelpers.h"
 
 
 BufferMount::BufferMount(Mount* source, size_t chunk_size, size_t max_chunks) {
   if (pthread_mutex_init(&cache_lock_, NULL)) assert(0);
   source_ = source;
   chunk_size_ = chunk_size;
   max_chunks_ = max_chunks;
   assert(max_chunks_ > 0);
 }
 
@@ skipping 188 matching lines @@
   off_t noffset = offset / chunk_size_ * chunk_size_;
   sz = source_->Read(node, noffset, buf, chunk_size_);
   if (sz < 0) return sz;
   AddCachedBlock(node, noffset, buf, sz);
 
   // Now it should be in the cache.
   sz = GetCachedBlock(node, offset, data, count);
   assert(sz >= 0);
   return sz;
 }