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Diffstat (limited to 'crypto/mac_security_services_lock.cc')
-rw-r--r-- | crypto/mac_security_services_lock.cc | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/crypto/mac_security_services_lock.cc b/crypto/mac_security_services_lock.cc new file mode 100644 index 0000000..c0b8712 --- /dev/null +++ b/crypto/mac_security_services_lock.cc @@ -0,0 +1,42 @@ +// 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/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 Singleton<SecurityServicesSingleton, + LeakySingletonTraits<SecurityServicesSingleton> >::get(); + } + + base::Lock& lock() { return lock_; } + + private: + friend struct DefaultSingletonTraits<SecurityServicesSingleton>; + + SecurityServicesSingleton() {} + ~SecurityServicesSingleton() {} + + base::Lock lock_; + + DISALLOW_COPY_AND_ASSIGN(SecurityServicesSingleton); +}; + +} // namespace + +namespace crypto { + +base::Lock& GetMacSecurityServicesLock() { + return SecurityServicesSingleton::GetInstance()->lock(); +} + +} // namespace crypto |