Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | // Copyright (c) 2011 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 "crypto/mac_security_services_lock.h" |
| 6 | |
| 7 | #include "base/memory/singleton.h" |
| 8 | #include "base/synchronization/lock.h" |
| 9 | |
| 10 | namespace { |
| 11 | |
| 12 | // This singleton pertains to Apple's wrappers over their own CSSM handles, |
| 13 | // as opposed to our own CSSM_CSP_HANDLE in cssm_init.cc. |
| 14 | class SecurityServicesSingleton { |
| 15 | public: |
| 16 | static SecurityServicesSingleton* GetInstance() { |
| 17 | return Singleton<SecurityServicesSingleton, |
| 18 | LeakySingletonTraits<SecurityServicesSingleton> >::get(); |
| 19 | } |
| 20 | |
| 21 | base::Lock& lock() { return lock_; } |
| 22 | |
| 23 | private: |
| 24 | friend struct DefaultSingletonTraits<SecurityServicesSingleton>; |
| 25 | |
| 26 | SecurityServicesSingleton() {} |
| 27 | ~SecurityServicesSingleton() {} |
| 28 | |
| 29 | base::Lock lock_; |
| 30 | |
| 31 | DISALLOW_COPY_AND_ASSIGN(SecurityServicesSingleton); |
| 32 | }; |
| 33 | |
| 34 | } // namespace |
| 35 | |
| 36 | namespace crypto { |
| 37 | |
| 38 | base::Lock& GetMacSecurityServicesLock() { |
| 39 | return SecurityServicesSingleton::GetInstance()->lock(); |
| 40 | } |
| 41 | |
| 42 | } // namespace crypto |