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Unified Diff: crypto/capi_util.cc

Issue 6805019: Move crypto files out of base, to a top level directory. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Fixes comments by eroman Created 9 years, 8 months ago
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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
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