OLD | NEW |
| (Empty) |
1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "base/files/scoped_file.h" | |
6 | |
7 #include "base/logging.h" | |
8 | |
9 #if defined(OS_POSIX) | |
10 #include <unistd.h> | |
11 | |
12 #include "base/posix/eintr_wrapper.h" | |
13 #endif | |
14 | |
15 namespace base { | |
16 namespace internal { | |
17 | |
18 #if defined(OS_POSIX) | |
19 | |
20 // static | |
21 void ScopedFDCloseTraits::Free(int fd) { | |
22 // It's important to crash here. | |
23 // There are security implications to not closing a file descriptor | |
24 // properly. As file descriptors are "capabilities", keeping them open | |
25 // would make the current process keep access to a resource. Much of | |
26 // Chrome relies on being able to "drop" such access. | |
27 // It's especially problematic on Linux with the setuid sandbox, where | |
28 // a single open directory would bypass the entire security model. | |
29 PCHECK(0 == IGNORE_EINTR(close(fd))); | |
30 } | |
31 | |
32 #endif // OS_POSIX | |
33 | |
34 } // namespace internal | |
35 } // namespace base | |
OLD | NEW |