// Copyright 2014 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. #include "base/files/scoped_file.h" #include "base/logging.h" #include "build/build_config.h" #if defined(OS_POSIX) #include <unistd.h> #include "base/posix/eintr_wrapper.h" #endif namespace base { namespace internal { #if defined(OS_POSIX) // static void ScopedFDCloseTraits::Free(int fd) { // It's important to crash here. // There are security implications to not closing a file descriptor // properly. As file descriptors are "capabilities", keeping them open // would make the current process keep access to a resource. Much of // Chrome relies on being able to "drop" such access. // It's especially problematic on Linux with the setuid sandbox, where // a single open directory would bypass the entire security model. PCHECK(0 == IGNORE_EINTR(close(fd))); } #endif // OS_POSIX } // namespace internal } // namespace base