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+/*
+ * Copyright (C) 2018-2019 Codership Oy <info@codership.com>
+ *
+ * This file is part of wsrep-lib.
+ *
+ * Wsrep-lib is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Wsrep-lib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <pthread.h>
+#include <iosfwd>
+
+namespace wsrep
+{
+ class thread
+ {
+ public:
+ class id
+ {
+ public:
+ id() : thread_() { }
+ explicit id(pthread_t thread) : thread_(thread) { }
+ private:
+ friend bool operator==(thread::id left, thread::id right)
+ {
+ return (pthread_equal(left.thread_, right.thread_));
+ }
+ friend std::ostream& operator<<(std::ostream&, const id&);
+ pthread_t thread_;
+ };
+
+ thread()
+ : id_(pthread_self())
+ { }
+ private:
+ id id_;
+ };
+
+ namespace this_thread
+ {
+ static inline thread::id get_id() { return thread::id(pthread_self()); }
+ }
+
+ std::ostream& operator<<(std::ostream&, const thread::id&);
+};