1 // Distributed under the Boost Software License, Version 1.0. (See 2 // accompanying file LICENSE_1_0.txt or copy at 3 // http://www.boost.org/LICENSE_1_0.txt) 4 // (C) Copyright 2012 Vicente J. Botet Escriba 5 6 #ifndef BOOST_THREAD_LOCK_FACTORIES_HPP 7 #define BOOST_THREAD_LOCK_FACTORIES_HPP 8 9 #include <boost/thread/lock_types.hpp> 10 #include <boost/thread/lock_algorithms.hpp> 11 #if ! defined(BOOST_THREAD_NO_MAKE_UNIQUE_LOCKS) 12 #include <tuple> // todo change to <boost/tuple.hpp> once Boost.Tuple or Boost.Fusion provides Move semantics. 13 #endif 14 #include <boost/config/abi_prefix.hpp> 15 16 namespace boost 17 { 18 19 template <typename Lockable> make_unique_lock(Lockable & mtx)20 unique_lock<Lockable> make_unique_lock(Lockable& mtx) 21 { 22 return unique_lock<Lockable> (mtx); 23 } 24 25 template <typename Lockable> make_unique_lock(Lockable & mtx,adopt_lock_t)26 unique_lock<Lockable> make_unique_lock(Lockable& mtx, adopt_lock_t) 27 { 28 return unique_lock<Lockable> (mtx, adopt_lock); 29 } 30 31 template <typename Lockable> make_unique_lock(Lockable & mtx,defer_lock_t)32 unique_lock<Lockable> make_unique_lock(Lockable& mtx, defer_lock_t) 33 { 34 return unique_lock<Lockable> (mtx, defer_lock); 35 } 36 37 template <typename Lockable> make_unique_lock(Lockable & mtx,try_to_lock_t)38 unique_lock<Lockable> make_unique_lock(Lockable& mtx, try_to_lock_t) 39 { 40 return unique_lock<Lockable> (mtx, try_to_lock); 41 } 42 #if ! defined(BOOST_THREAD_NO_MAKE_UNIQUE_LOCKS) 43 44 #if ! defined BOOST_NO_CXX11_VARIADIC_TEMPLATES 45 template <typename ...Lockable> make_unique_locks(Lockable &...mtx)46 std::tuple<unique_lock<Lockable> ...> make_unique_locks(Lockable& ...mtx) 47 { 48 boost::lock(mtx...); 49 return std::tuple<unique_lock<Lockable> ...>(unique_lock<Lockable>(mtx, adopt_lock)...); 50 } 51 #else 52 template <typename L1, typename L2> make_unique_locks(L1 & m1,L2 & m2)53 std::tuple<unique_lock<L1>, unique_lock<L2> > make_unique_locks(L1& m1, L2& m2) 54 { 55 boost::lock(m1, m2); 56 return std::tuple<unique_lock<L1>,unique_lock<L2> >( 57 unique_lock<L1>(m1, adopt_lock), 58 unique_lock<L2>(m2, adopt_lock) 59 ); 60 } 61 template <typename L1, typename L2, typename L3> make_unique_locks(L1 & m1,L2 & m2,L3 & m3)62 std::tuple<unique_lock<L1>, unique_lock<L2>, unique_lock<L3> > make_unique_locks(L1& m1, L2& m2, L3& m3) 63 { 64 boost::lock(m1, m2, m3); 65 return std::tuple<unique_lock<L1>,unique_lock<L2>,unique_lock<L3> >( 66 unique_lock<L1>(m1, adopt_lock), 67 unique_lock<L2>(m2, adopt_lock), 68 unique_lock<L3>(m3, adopt_lock) 69 ); 70 } 71 72 #endif 73 #endif 74 75 } 76 77 #include <boost/config/abi_suffix.hpp> 78 #endif 79