llvm-6502/lib/Debugger/FDHandle.cpp

//===- lib/Debugger/FDHandle.cpp - File Descriptor Handle -----------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements a class for ensuring that Unix file handles get closed.
//
//===----------------------------------------------------------------------===//

#include "FDHandle.h"
#include <unistd.h>

using namespace llvm;

//===----------------------------------------------------------------------===//
// FDHandle class implementation
//

FDHandle::~FDHandle() throw() {
  if (FD != -1)
    ::close(FD);
}

FDHandle &FDHandle::operator=(int fd) throw() {
  if (FD != -1)
    ::close(FD);
  FD = fd;
  return *this;
}