ThreadLocal: Return a mutable pointer if templated with a non-const type

[oota-llvm.git] / include / llvm / Support / FileSystem.h

diff --git a/include/llvm/Support/FileSystem.h b/include/llvm/Support/FileSystem.h
index f406285036042ebc538f550aab71fc2cdbd8e6d0..4acff6623d7e6024f48bf24251e18fd039c7f2d9 100644 (file)
--- a/include/llvm/Support/FileSystem.h
+++ b/include/llvm/Support/FileSystem.h
@@ -226,6 +226,7 @@ struct file_magic {
     unknown = 0,              ///< Unrecognized file
     bitcode,                  ///< Bitcode file
     archive,                  ///< ar style archive file
+    elf,                      ///< ELF Unknown type
     elf_relocatable,          ///< ELF Relocatable object file
     elf_executable,           ///< ELF Executable image
     elf_shared_object,        ///< ELF dynamically linked shared lib
@@ -335,11 +336,11 @@ std::error_code copy_file(const Twine &From, const Twine &To);
 
 /// @brief Resize path to size. File is resized as if by POSIX truncate().
 ///
-/// @param path Input path.
-/// @param size Size to resize to.
+/// @param FD Input file descriptor.
+/// @param Size Size to resize to.
 /// @returns errc::success if \a path has been resized to \a size, otherwise a
 ///          platform-specific error_code.
-std::error_code resize_file(const Twine &path, uint64_t size);
+std::error_code resize_file(int FD, uint64_t Size);
 
 /// @}
 /// @name Physical Observers
@@ -636,7 +637,6 @@ public:
 
 private:
   /// Platform-specific mapping state.
-  mapmode Mode;
   uint64_t Size;
   void *Mapping;
 #ifdef LLVM_ON_WIN32
@@ -645,40 +645,17 @@ private:
   void *FileMappingHandle;
 #endif
 
-  std::error_code init(int FD, bool CloseFD, uint64_t Offset);
+  std::error_code init(int FD, uint64_t Offset, mapmode Mode);
 
 public:
-  typedef char char_type;
-
-  mapped_file_region(mapped_file_region&&);
-  mapped_file_region &operator =(mapped_file_region&&);
-
-  /// Construct a mapped_file_region at \a path starting at \a offset of length
-  /// \a length and with access \a mode.
-  ///
-  /// \param path Path to the file to map. If it does not exist it will be
-  ///             created.
-  /// \param mode How to map the memory.
-  /// \param length Number of bytes to map in starting at \a offset. If the file
-  ///               is shorter than this, it will be extended. If \a length is
-  ///               0, the entire file will be mapped.
-  /// \param offset Byte offset from the beginning of the file where the map
-  ///               should begin. Must be a multiple of
-  ///               mapped_file_region::alignment().
-  /// \param ec This is set to errc::success if the map was constructed
-  ///           successfully. Otherwise it is set to a platform dependent error.
-  mapped_file_region(const Twine &path, mapmode mode, uint64_t length,
-                     uint64_t offset, std::error_code &ec);
-
   /// \param fd An open file descriptor to map. mapped_file_region takes
   ///   ownership if closefd is true. It must have been opended in the correct
   ///   mode.
-  mapped_file_region(int fd, bool closefd, mapmode mode, uint64_t length,
-                     uint64_t offset, std::error_code &ec);
+  mapped_file_region(int fd, mapmode mode, uint64_t length, uint64_t offset,
+                     std::error_code &ec);
 
   ~mapped_file_region();
 
-  mapmode flags() const;
   uint64_t size() const;
   char *data() const;