[NaCl SDK] nacl_io: Add chmod/fchmod

native_client_sdk/src/libraries/nacl_io/kernel_proxy.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_IO_KERNEL_PROXY_H_
 #define LIBRARIES_NACL_IO_KERNEL_PROXY_H_
 
 #include <map>
 #include <string>
 
@@ skipping 89 matching lines @@
   virtual int rmdir(const char* path);
   virtual int stat(const char* path, struct stat* buf);
 
   // System calls that take a file descriptor as an argument:
   // The kernel proxy will determine to which filesystem the file
   // descriptor's corresponding file handle belongs.  The
   // associated filesystem's function will be called.
   virtual ssize_t read(int fd, void* buf, size_t nbyte);
   virtual ssize_t write(int fd, const void* buf, size_t nbyte);
 
-  virtual int fchmod(int fd, int prot);
+  virtual int fchmod(int fd, mode_t mode);
   virtual int fcntl(int fd, int request, va_list args);
   virtual int fstat(int fd, struct stat* buf);
   virtual int getdents(int fd, void* buf, unsigned int count);
   virtual int fchdir(int fd);
   virtual int ftruncate(int fd, off_t length);
   virtual int fsync(int fd);
   virtual int fdatasync(int fd);
   virtual int isatty(int fd);
   virtual int ioctl(int fd, int request, va_list args);
   virtual int futimens(int fd, const struct timespec times[2]);
@@ skipping 128 matching lines @@
   virtual int AcquireSocketHandle(int fd, ScopedKernelHandle* handle);
 #endif
 
   ScopedEventEmitter signal_emitter_;
   DISALLOW_COPY_AND_ASSIGN(KernelProxy);
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_KERNEL_PROXY_H_