Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a development version of boost.

boost/config/platform/zos.hpp

//  Copyright (c) 2017 Dynatrace
//
//  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

//  See http://www.boost.org for most recent version.

//  Platform setup for IBM z/OS.

#define BOOST_PLATFORM "IBM z/OS"

#include <features.h> // For __UU, __C99, __TR1, ...

#if defined(__UU)
#  define BOOST_HAS_GETTIMEOFDAY
#endif

#if defined(_OPEN_THREADS) || defined(__SUSV3_THR)
#  define BOOST_HAS_PTHREADS
#  define BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
#  define BOOST_HAS_THREADS
#endif

#if defined(__SUSV3) || defined(__SUSV3_THR)
#  define BOOST_HAS_SCHED_YIELD
#endif

#define BOOST_HAS_SIGACTION
#define BOOST_HAS_UNISTD_H
#define BOOST_HAS_DIRENT_H
#define BOOST_HAS_NL_TYPES_H