Changed project name to wsrep-lib.

include/wsrep/mutex.hpp

@@ -0,0 +1,77 @@
+//
+// Copyright (C) 2018 Codership Oy <info@codership.com>
+//
+
+#ifndef WSREP_MUTEX_HPP
+#define WSREP_MUTEX_HPP
+
+#include "exception.hpp"
+
+#include <pthread.h>
+
+namespace wsrep
+{
+    //!
+    //! 
+    //!
+    class mutex
+    {
+    public:
+        mutex() { }
+        virtual ~mutex() { }
+        virtual void lock() = 0;
+        virtual void unlock() = 0;
+        /* Return native handle */
+        virtual void* native() = 0;
+    private:
+        mutex(const mutex& other);
+        mutex& operator=(const mutex& other);
+    };
+
+    // Default pthread implementation
+    class default_mutex : public wsrep::mutex
+    {
+    public:
+        default_mutex()
+            : wsrep::mutex(),
+              mutex_()
+        {
+            if (pthread_mutex_init(&mutex_, 0))
+            {
+                throw wsrep::runtime_error("mutex init failed");
+            }
+        }
+        ~default_mutex()
+        {
+            if (pthread_mutex_destroy(&mutex_))
+            {
+                throw wsrep::runtime_error("mutex destroy failed");
+            }
+        }
+
+        void lock()
+        {
+            if (pthread_mutex_lock(&mutex_))
+            {
+                throw wsrep::runtime_error("mutex lock failed");
+            }
+        }
+
+        void unlock()
+        {
+            if (pthread_mutex_unlock(&mutex_))
+            {
+                throw wsrep::runtime_error("mutex unlock failed");
+            }
+        }
+
+        void* native()
+        {
+            return &mutex_;
+        }
+    private:
+        pthread_mutex_t mutex_;
+    };
+}
+
+#endif // WSREP_MUTEX_HPP