1 files changed, 0 insertions, 154 deletions
diff --git a/lib/System/Unix/MappedFile.cpp b/lib/System/Unix/MappedFile.cpp
deleted file mode 100644
index 07683c1439..0000000000
--- a/lib/System/Unix/MappedFile.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-//===- Unix/MappedFile.cpp - Unix MappedFile Implementation -----*- C++ -*-===//
-// 
-//                     The LLVM Compiler Infrastructure
-//
-// This file was developed by Reid Spencer and 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.
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-//=== WARNING: Implementation here must contain only generic UNIX code that
-//===          is guaranteed to work on *all* UNIX variants.
-//===----------------------------------------------------------------------===//
-
-#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
-
-namespace llvm {
-using namespace sys;
-
-struct sys::MappedFileInfo {
-  int fd_;
-  struct stat sbuf_;
-};
-
-void MappedFile::initialize() {
-  if (path_.exists()) {
-    info_ = new MappedFileInfo;
-    int mode = 0;
-    if (options_&READ_ACCESS) 
-      if (options_&WRITE_ACCESS)
-        mode = O_RDWR;
-      else
-        mode = O_RDONLY;
-    else if (options_&WRITE_ACCESS)
-      mode = O_WRONLY;
-    info_->fd_ = ::open(path_.c_str(),mode);
-    if (info_->fd_ < 0) {
-      delete info_;
-      info_ = 0;
-      ThrowErrno(std::string("Can't open file: ") + path_.toString());
-    }
-    struct stat sbuf;
-    if(::fstat(info_->fd_, &info_->sbuf_) < 0) {
-      ::close(info_->fd_);
-      delete info_;
-      info_ = 0;
-      ThrowErrno(std::string("Can't stat file: ") + path_.toString());
-    }
-  } else {
-    throw std::string("Can't open file: ") + path_.toString();
-  }
-}
-
-void MappedFile::terminate() {
-  assert(info_ && "MappedFile not initialized");
-  if (info_->fd_ >= 0)
-    ::close(info_->fd_);
-  delete info_;
-  info_ = 0;
-}
-
-void MappedFile::unmap() {
-  assert(info_ && "MappedFile not initialized");
-  if (isMapped()) {
-    if (options_ & WRITE_ACCESS)
-      ::msync(base_, info_->sbuf_.st_size, MS_SYNC);
-    ::munmap(base_, info_->sbuf_.st_size);
-  }
-}
-
-void* MappedFile::map() {
-  assert(info_ && "MappedFile not initialized");
-  if (!isMapped()) {
-    int prot = PROT_NONE;
-    int flags = 0;
-#ifdef MAP_FILE
-    flags |= MAP_FILE;
-#endif
-    if (options_ == 0) {
-      prot = PROT_READ;
-      flags = MAP_PRIVATE;
-    } else {
-      if (options_ & READ_ACCESS)
-        prot |= PROT_READ;
-      if (options_ & WRITE_ACCESS)
-        prot |= PROT_WRITE;
-      if (options_ & EXEC_ACCESS)
-        prot |= PROT_EXEC;
-      if (options_ & SHARED_MAPPING)
-        flags |= MAP_SHARED;
-      else
-        flags |= MAP_PRIVATE;
-    }
-    size_t map_size = ((info_->sbuf_.st_size / Process::GetPageSize())+1) *
-      Process::GetPageSize();
-
-    base_ = ::mmap(0, map_size, prot, flags, info_->fd_, 0);
-    if (base_ == MAP_FAILED)
-      ThrowErrno(std::string("Can't map file:") + path_.toString());
-  }
-  return base_;
-}
-
-size_t MappedFile::size() const {
-  assert(info_ && "MappedFile not initialized");
-  return info_->sbuf_.st_size;
-}
-
-void MappedFile::size(size_t new_size) {
-  assert(info_ && "MappedFile not initialized");
-
-  // Take the mapping out of memory
-  this->unmap();
-
-  // Adjust the current size to a page boundary
-  size_t cur_size = ((info_->sbuf_.st_size / Process::GetPageSize())+1) *
-    Process::GetPageSize();
-
-  // Adjust the new_size to a page boundary
-  new_size = ((new_size / Process::GetPageSize())+1) *
-    Process::GetPageSize();
-
-  // If the file needs to be extended
-  if (new_size > cur_size) {
-    // Ensure we can allocate at least the idodes necessary to handle the
-    // file size requested. 
-    ::lseek(info_->fd_, new_size, SEEK_SET);
-    ::write(info_->fd_, "\0", 1);
-  }
-
-  // Seek to current end of file. 
-  this->map();
-}
-
-}
-
-// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab