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+#ifndef BOOST_THREAD_PTHREAD_PTHREAD_HELPERS_HPP
+#define BOOST_THREAD_PTHREAD_PTHREAD_HELPERS_HPP
+// Copyright (C) 2017
+// Vicente J. Botet Escriba
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/thread/detail/config.hpp>
+#include <pthread.h>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+ namespace pthread
+ {
+ inline int cond_init(pthread_cond_t& cond) {
+
+ #ifdef BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
+ pthread_condattr_t attr;
+ int res = pthread_condattr_init(&attr);
+ if (res)
+ {
+ return res;
+ }
+ pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
+ res=pthread_cond_init(&cond,&attr);
+ pthread_condattr_destroy(&attr);
+ return res;
+ #else
+ return pthread_cond_init(&cond,NULL);
+ #endif
+
+ }
+ }
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif