Changed project name to wsrep-lib.

include/wsrep/condition_variable.hpp

@@ -0,0 +1,73 @@
+//
+// Copyright (C) 2018 Codership Oy <info@codership.com>
+//
+
+#ifndef WSREP_CONDITION_VARIABLE_HPP
+#define WSREP_CONDITION_VARIABLE_HPP
+
+#include "lock.hpp"
+
+#include <cstdlib>
+
+namespace wsrep
+{
+    class condition_variable
+    {
+    public:
+        condition_variable() { }
+        virtual ~condition_variable() { }
+        virtual void notify_one() = 0;
+        virtual void notify_all() = 0;
+        virtual void wait(wsrep::unique_lock<wsrep::mutex>& lock) = 0;
+    private:
+        condition_variable(const condition_variable&);
+        condition_variable& operator=(const condition_variable&);
+    };
+
+    // Default pthreads based condition variable implementation
+    class default_condition_variable : public condition_variable
+    {
+    public:
+        default_condition_variable()
+            : cond_()
+        {
+            if (pthread_cond_init(&cond_, 0))
+            {
+                throw wsrep::runtime_error("Failed to initialized condvar");
+            }
+        }
+
+        ~default_condition_variable()
+        {
+            if (pthread_cond_destroy(&cond_))
+            {
+                ::abort();
+            }
+        }
+        void notify_one()
+        {
+            (void)pthread_cond_signal(&cond_);
+        }
+
+        void notify_all()
+        {
+            (void)pthread_cond_broadcast(&cond_);
+        }
+
+        void wait(wsrep::unique_lock<wsrep::mutex>& lock)
+        {
+            if (pthread_cond_wait(
+                    &cond_,
+                    reinterpret_cast<pthread_mutex_t*>(lock.mutex().native())))
+            {
+                throw wsrep::runtime_error("Cond wait failed");
+            }
+        }
+
+    private:
+        pthread_cond_t cond_;
+    };
+
+}
+
+#endif // WSREP_CONDITION_VARIABLE_HPP