1 #ifndef BOOST_THREAD_ONCE_HPP
2 #define BOOST_THREAD_ONCE_HPP
3 
4 //  once.hpp
5 //
6 //  (C) Copyright 2006-7 Anthony Williams
7 //
8 //  Distributed under the Boost Software License, Version 1.0. (See
9 //  accompanying file LICENSE_1_0.txt or copy at
10 //  http://www.boost.org/LICENSE_1_0.txt)
11 
12 #include <boost/thread/detail/config.hpp>
13 #include <boost/thread/detail/platform.hpp>
14 #if defined(BOOST_THREAD_PLATFORM_WIN32)
15 #include <boost/thread/win32/once.hpp>
16 #elif defined(BOOST_THREAD_PLATFORM_PTHREAD)
17 #if defined BOOST_THREAD_ONCE_FAST_EPOCH
18 #include <boost/thread/pthread/once.hpp>
19 #elif defined BOOST_THREAD_ONCE_ATOMIC
20 #include <boost/thread/pthread/once_atomic.hpp>
21 #else
22 #error "Once Not Implemented"
23 #endif
24 #else
25 #error "Boost threads unavailable on this platform"
26 #endif
27 
28 #include <boost/config/abi_prefix.hpp>
29 
30 namespace boost
31 {
32   // template<class Callable, class ...Args> void
33   // call_once(once_flag& flag, Callable&& func, Args&&... args);
34 template<typename Function>
call_once(Function func,once_flag & flag)35 inline void call_once(Function func,once_flag& flag)
36 //inline void call_once(void (*func)(),once_flag& flag)
37     {
38         call_once(flag,func);
39     }
40 }
41 
42 #include <boost/config/abi_suffix.hpp>
43 
44 #endif
45