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+/*
+ * Copyright (c) 2010 SURFnet bv
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*****************************************************************************
+ MutexFactory.h
+
+ This factory produces OS specific mutex objects
+ *****************************************************************************/
+
+#ifndef _SOFTHSM_V2_MUTEXFACTORY_H
+#define _SOFTHSM_V2_MUTEXFACTORY_H
+
+#include "config.h"
+#include "osmutex.h"
+#include "cryptoki.h"
+#include <memory>
+
+class Mutex
+{
+public:
+ // Constructor
+ Mutex();
+
+ // Destructor
+ virtual ~Mutex();
+
+ // Lock the mutex
+ bool lock();
+
+ // Unlock the mutex
+ void unlock();
+
+private:
+ // The mutex handle
+ CK_VOID_PTR handle;
+
+ // Is the mutex valid?
+ bool isValid;
+};
+
+class MutexLocker
+{
+public:
+ // Constructor
+ MutexLocker(Mutex* inMutex);
+
+ // Destructor
+ virtual ~MutexLocker();
+
+private:
+ // The mutex to lock
+ Mutex* mutex;
+};
+
+class MutexFactory
+{
+public:
+ // Return the one-and-only instance
+ static MutexFactory* i();
+
+ // Destructor
+ virtual ~MutexFactory();
+
+ // Get a mutex instance
+ Mutex* getMutex();
+
+ // Recycle a mutex instance
+ void recycleMutex(Mutex* mutex);
+
+ // Set the function pointers
+ void setCreateMutex(CK_CREATEMUTEX inCreateMutex);
+ void setDestroyMutex(CK_DESTROYMUTEX inDestroyMutex);
+ void setLockMutex(CK_LOCKMUTEX inLockMutex);
+ void setUnlockMutex(CK_UNLOCKMUTEX inUnlockMutex);
+
+ // Enable/disable mutex handling
+ void enable();
+ void disable();
+
+private:
+ // Constructor
+ MutexFactory();
+
+ // Mutex operations
+ friend class Mutex;
+
+ CK_RV CreateMutex(CK_VOID_PTR_PTR newMutex);
+ CK_RV DestroyMutex(CK_VOID_PTR mutex);
+ CK_RV LockMutex(CK_VOID_PTR mutex);
+ CK_RV UnlockMutex(CK_VOID_PTR mutex);
+
+ // The one-and-only instance
+#ifdef HAVE_CXX11
+ static std::unique_ptr<MutexFactory> instance;
+#else
+ static std::auto_ptr<MutexFactory> instance;
+#endif
+
+ // The function pointers
+ CK_CREATEMUTEX createMutex;
+ CK_DESTROYMUTEX destroyMutex;
+ CK_LOCKMUTEX lockMutex;
+ CK_UNLOCKMUTEX unlockMutex;
+
+ // Can we do mutex handling?
+ bool enabled;
+};
+
+#endif // !_SOFTHSM_V2_MUTEXFACTORY_H
+