Rename mount

native_client_sdk/src/libraries/nacl_mounts/kernel_object.h

-/* Copyright (c) 2012 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 LIBRARIES_NACL_MOUNTS_KERNEL_OBJECT_H_
-#define LIBRARIES_NACL_MOUNTS_KERNEL_OBJECT_H_
-
-#include <pthread.h>
-#include <map>
-#include <string>
-#include <vector>
-
-#include "nacl_mounts/path.h"
-
-class KernelHandle;
-class Mount;
-
-// KernelObject provides basic functionality for threadsafe
-// acces to kernel objects such as file descriptors and
-// file handles.  It also provides access to the CWD for
-// path resolution.
-class KernelObject {
- public:
-  typedef std::vector<KernelHandle*> HandleMap_t;
-  typedef std::map<std::string, Mount*> MountMap_t;
-
-  KernelObject();
-  virtual ~KernelObject();
-
-  // Find the mount for the given path, and acquires it
-  Mount* AcquireMountAndPath(const std::string& relpath, Path *pobj);
-  void ReleaseMount(Mount* mnt);
-
-  // Convert from FD to KernelHandle, and aquire the handle.
-  KernelHandle* AcquireHandle(int fd);
-  void ReleaseHandle(KernelHandle* handle);
-
-  // Allocate a new fd and assign the handle to it, while
-  // ref counting the handle and associated mount.
-  int AllocateFD(KernelHandle* handle);
-  void AssignFD(int fd, KernelHandle* handle);
-  void FreeFD(int fd);
-
- protected:
-  Path GetAbsPathLocked(const std::string& path);
-
-  std::vector<int> free_fds_;
-  std::string cwd_;
-
-  HandleMap_t handle_map_;
-  MountMap_t mounts_;
-
-  // Kernel lock protects kernel wide resources such as the mount table...
-  pthread_mutex_t kernel_lock_;
-
-  // Process lock proctects process wide resources such as CWD, file handles...
-  pthread_mutex_t process_lock_;
-
-  DISALLOW_COPY_AND_ASSIGN(KernelObject);
-};
-
-#endif  // LIBRARIES_NACL_MOUNTS_KERNEL_OBJECT_H_