Index: crypto/capi_util.cc |
=================================================================== |
--- crypto/capi_util.cc (revision 0) |
+++ crypto/capi_util.cc (revision 0) |
@@ -0,0 +1,49 @@ |
+// 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/capi_util.h" |
+ |
+#include "base/basictypes.h" |
+#include "base/memory/singleton.h" |
+#include "base/synchronization/lock.h" |
+ |
+namespace { |
+ |
+class CAPIUtilSingleton { |
+ public: |
+ static CAPIUtilSingleton* GetInstance() { |
+ return Singleton<CAPIUtilSingleton>::get(); |
+ } |
+ |
+ // Returns a lock to guard calls to CryptAcquireContext with |
+ // CRYPT_DELETEKEYSET or CRYPT_NEWKEYSET. |
+ base::Lock& acquire_context_lock() { |
+ return acquire_context_lock_; |
+ } |
+ |
+ private: |
+ friend class Singleton<CAPIUtilSingleton>; |
+ friend struct DefaultSingletonTraits<CAPIUtilSingleton>; |
+ |
+ CAPIUtilSingleton() {} |
+ |
+ base::Lock acquire_context_lock_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(CAPIUtilSingleton); |
+}; |
+ |
+} // namespace |
+ |
+namespace crypto { |
+ |
+BOOL CryptAcquireContextLocked(HCRYPTPROV* prov, |
+ LPCWSTR container, |
+ LPCWSTR provider, |
+ DWORD prov_type, |
+ DWORD flags) { |
+ base::AutoLock lock(CAPIUtilSingleton::GetInstance()->acquire_context_lock()); |
+ return CryptAcquireContext(prov, container, provider, prov_type, flags); |
+} |
+ |
+} // namespace crypto |
Property changes on: crypto\capi_util.cc |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |