| // Copyright (c) 2011 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 "crypto/mac_security_services_lock.h" |
| |
| #include "base/macros.h" |
| #include "base/memory/singleton.h" |
| #include "base/synchronization/lock.h" |
| |
| namespace { |
| |
| // This singleton pertains to Apple's wrappers over their own CSSM handles, |
| // as opposed to our own CSSM_CSP_HANDLE in cssm_init.cc. |
| class SecurityServicesSingleton { |
| public: |
| static SecurityServicesSingleton* GetInstance() { |
| return base::Singleton< |
| SecurityServicesSingleton, |
| base::LeakySingletonTraits<SecurityServicesSingleton>>::get(); |
| } |
| |
| base::Lock& lock() { return lock_; } |
| |
| private: |
| friend struct base::DefaultSingletonTraits<SecurityServicesSingleton>; |
| |
| SecurityServicesSingleton() {} |
| ~SecurityServicesSingleton() {} |
| |
| base::Lock lock_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SecurityServicesSingleton); |
| }; |
| |
| } // namespace |
| |
| namespace crypto { |
| |
| base::Lock& GetMacSecurityServicesLock() { |
| return SecurityServicesSingleton::GetInstance()->lock(); |
| } |
| |
| } // namespace crypto |