annotate DEPENDENCIES/generic/include/boost/thread/lock_guard.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 // Distributed under the Boost Software License, Version 1.0. (See
Chris@16 2 // accompanying file LICENSE_1_0.txt or copy at
Chris@16 3 // http://www.boost.org/LICENSE_1_0.txt)
Chris@16 4 // (C) Copyright 2007 Anthony Williams
Chris@16 5 // (C) Copyright 2011-2012 Vicente J. Botet Escriba
Chris@16 6
Chris@16 7 #ifndef BOOST_THREAD_LOCK_GUARD_HPP
Chris@16 8 #define BOOST_THREAD_LOCK_GUARD_HPP
Chris@16 9
Chris@16 10 #include <boost/thread/detail/config.hpp>
Chris@16 11 #include <boost/thread/detail/delete.hpp>
Chris@16 12 #include <boost/thread/detail/move.hpp>
Chris@16 13 #include <boost/thread/detail/lockable_wrapper.hpp>
Chris@16 14 #include <boost/thread/lock_options.hpp>
Chris@16 15 #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS
Chris@16 16 #include <boost/thread/is_locked_by_this_thread.hpp>
Chris@16 17 #include <boost/assert.hpp>
Chris@16 18 #endif
Chris@16 19
Chris@16 20 #include <boost/config/abi_prefix.hpp>
Chris@16 21
Chris@16 22 namespace boost
Chris@16 23 {
Chris@16 24
Chris@16 25 template <typename Mutex>
Chris@16 26 class lock_guard
Chris@16 27 {
Chris@16 28 private:
Chris@16 29 Mutex& m;
Chris@16 30
Chris@16 31 public:
Chris@16 32 typedef Mutex mutex_type;
Chris@16 33 BOOST_THREAD_NO_COPYABLE( lock_guard )
Chris@16 34
Chris@16 35 explicit lock_guard(Mutex& m_) :
Chris@16 36 m(m_)
Chris@16 37 {
Chris@16 38 m.lock();
Chris@16 39 }
Chris@16 40
Chris@16 41 lock_guard(Mutex& m_, adopt_lock_t) :
Chris@16 42 m(m_)
Chris@16 43 {
Chris@16 44 #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS
Chris@16 45 BOOST_ASSERT(is_locked_by_this_thread(m));
Chris@16 46 #endif
Chris@16 47 }
Chris@16 48
Chris@16 49 #if ! defined BOOST_THREAD_NO_CXX11_HDR_INITIALIZER_LIST
Chris@16 50 lock_guard(std::initializer_list<thread_detail::lockable_wrapper<Mutex> > l_) :
Chris@16 51 m(*(const_cast<thread_detail::lockable_wrapper<Mutex>*>(l_.begin())->m))
Chris@16 52 {
Chris@16 53 m.lock();
Chris@16 54 }
Chris@16 55
Chris@16 56 lock_guard(std::initializer_list<thread_detail::lockable_adopt_wrapper<Mutex> > l_) :
Chris@16 57 m(*(const_cast<thread_detail::lockable_adopt_wrapper<Mutex>*>(l_.begin())->m))
Chris@16 58 {
Chris@16 59 #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS
Chris@16 60 BOOST_ASSERT(is_locked_by_this_thread(m));
Chris@16 61 #endif
Chris@16 62 }
Chris@16 63
Chris@16 64 #endif
Chris@16 65 ~lock_guard()
Chris@16 66 {
Chris@16 67 m.unlock();
Chris@16 68 }
Chris@16 69 };
Chris@16 70
Chris@16 71
Chris@16 72 #if ! defined BOOST_THREAD_NO_MAKE_LOCK_GUARD
Chris@16 73 template <typename Lockable>
Chris@16 74 lock_guard<Lockable> make_lock_guard(Lockable& mtx)
Chris@16 75 {
Chris@16 76 return { thread_detail::lockable_wrapper<Lockable>(mtx) };
Chris@16 77 }
Chris@16 78 template <typename Lockable>
Chris@16 79 lock_guard<Lockable> make_lock_guard(Lockable& mtx, adopt_lock_t)
Chris@16 80 {
Chris@16 81 return { thread_detail::lockable_adopt_wrapper<Lockable>(mtx) };
Chris@16 82 }
Chris@16 83 #endif
Chris@16 84 }
Chris@16 85
Chris@16 86 #include <boost/config/abi_suffix.hpp>
Chris@16 87
Chris@16 88 #endif