The Tor Browser / file comparison
comparison: security/sandbox/chromium/base/scoped_clear_errno.h
security/sandbox/chromium/base/scoped_clear_errno.h
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
equal
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replaced
| -1:000000000000 | 0:4c722d561640 |
|---|---|
| 1 // Copyright (c) 2013 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 #ifndef BASE_SCOPED_CLEAR_ERRNO_H_ | |
| 6 #define BASE_SCOPED_CLEAR_ERRNO_H_ | |
| 7 | |
| 8 #include <errno.h> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 | |
| 12 namespace base { | |
| 13 | |
| 14 // Simple scoper that saves the current value of errno, resets it to 0, and on | |
| 15 // destruction puts the old value back. | |
| 16 class ScopedClearErrno { | |
| 17 public: | |
| 18 ScopedClearErrno() : old_errno_(errno) { | |
| 19 errno = 0; | |
| 20 } | |
| 21 ~ScopedClearErrno() { | |
| 22 if (errno == 0) | |
| 23 errno = old_errno_; | |
| 24 } | |
| 25 | |
| 26 private: | |
| 27 const int old_errno_; | |
| 28 | |
| 29 DISALLOW_COPY_AND_ASSIGN(ScopedClearErrno); | |
| 30 }; | |
| 31 | |
| 32 } // namespace base | |
| 33 | |
| 34 #endif // BASE_SCOPED_CLEAR_ERRNO_H_ |
