MappedFile is dead, remove it.

llvm-svn: 49035

1 files changed, 0 insertions, 97 deletions

diff --git a/llvm/lib/System/Unix/MappedFile.inc b/llvm/lib/System/Unix/MappedFile.inc
deleted file mode 100644
index c85a53d6641..00000000000
--- a/llvm/lib/System/Unix/MappedFile.inc
+++ /dev/null
@@ -1,97 +0,0 @@
-//===- Unix/MappedFile.inc - Unix MappedFile Implementation -----*- C++ -*-===//
-// 
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-// 
-//===----------------------------------------------------------------------===//
-//
-// This file provides the generic Unix implementation of the MappedFile concept.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Unix.h"
-#include "llvm/System/Process.h"
-
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
-
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-
-using namespace llvm;
-using namespace sys;
-
-namespace llvm {
-  namespace sys {
-    struct MappedFileInfo {
-      int   FD;
-      off_t Size;
-    };
-  }
-}
-
-bool MappedFile::initialize(std::string* ErrMsg) {
-  int FD = ::open(Path.c_str(), O_RDONLY);
-  if (FD < 0) {
-    MakeErrMsg(ErrMsg, "can't open file '" + Path.toString() + "'");
-    return true;
-  } 
-  const FileStatus *Status = Path.getFileStatus(false, ErrMsg);
-  if (!Status) {
-    ::close(FD);
-    return true;
-  }
-  MapInfo = new MappedFileInfo();
-  MapInfo->FD = FD;
-  MapInfo->Size = Status->getSize();
-  return false;
-}
-
-void MappedFile::terminate() {
-  unmap();
-  assert(MapInfo && "MappedFile not initialized");
-  ::close(MapInfo->FD);
-  delete MapInfo;
-  MapInfo = 0;
-}
-
-void MappedFile::unmap() {
-  assert(MapInfo && "MappedFile not initialized");
-  if (!isMapped()) return;
-  
-  ::munmap(BasePtr, MapInfo->Size);
-  BasePtr = 0;  // Mark this as non-mapped.
-}
-
-const void* MappedFile::map(std::string* ErrMsg) {
-  assert(MapInfo && "MappedFile not initialized");
-  if (isMapped()) return BasePtr;
-  
-  int flags = MAP_PRIVATE;
-#ifdef MAP_FILE
-  flags |= MAP_FILE;
-#endif
-  size_t PageSize = Process::GetPageSize();
-  size_t map_size = ((MapInfo->Size / PageSize)+1) * PageSize;
-
-  BasePtr = ::mmap(0, map_size, PROT_READ, flags, MapInfo->FD, 0);
-  if (BasePtr == MAP_FAILED) {
-    MakeErrMsg(ErrMsg, "Can't map file:" + Path.toString());
-    return 0;
-  }
-  return BasePtr;
-}
-
-size_t MappedFile::size() const {
-  assert(MapInfo && "MappedFile not initialized");
-  return MapInfo->Size;
-}
-