diff options
Diffstat (limited to 'boost/thread/win32/basic_recursive_mutex.hpp')
| -rw-r--r-- | boost/thread/win32/basic_recursive_mutex.hpp | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/boost/thread/win32/basic_recursive_mutex.hpp b/boost/thread/win32/basic_recursive_mutex.hpp index e748aa725c..eb5ec8489d 100644 --- a/boost/thread/win32/basic_recursive_mutex.hpp +++ b/boost/thread/win32/basic_recursive_mutex.hpp @@ -4,6 +4,7 @@ // basic_recursive_mutex.hpp // // (C) Copyright 2006-8 Anthony Williams +// (C) Copyright 2011-2012 Vicente J. Botet Escriba // // Distributed under the Boost Software License, Version 1.0. (See // accompanying file LICENSE_1_0.txt or copy at @@ -11,6 +12,10 @@ #include <boost/thread/win32/thread_primitives.hpp> #include <boost/thread/win32/basic_timed_mutex.hpp> +#ifdef BOOST_THREAD_USES_CHRONO +#include <boost/chrono/system_clocks.hpp> +#include <boost/chrono/ceil.hpp> +#endif #include <boost/config/abi_prefix.hpp> @@ -64,6 +69,20 @@ namespace boost return timed_lock(get_system_time()+timeout); } +#ifdef BOOST_THREAD_USES_CHRONO + template <class Rep, class Period> + bool try_lock_for(const chrono::duration<Rep, Period>& rel_time) + { + long const current_thread_id=win32::GetCurrentThreadId(); + return try_recursive_lock(current_thread_id) || try_timed_lock_for(current_thread_id,rel_time); + } + template <class Clock, class Duration> + bool try_lock_until(const chrono::time_point<Clock, Duration>& t) + { + long const current_thread_id=win32::GetCurrentThreadId(); + return try_recursive_lock(current_thread_id) || try_timed_lock_until(current_thread_id,t); + } +#endif void unlock() { if(!--recursion_count) @@ -105,7 +124,28 @@ namespace boost } return false; } - + template <typename TP> + bool try_timed_lock_until(long current_thread_id,TP const& target) + { + if(mutex.try_lock_until(target)) + { + BOOST_INTERLOCKED_EXCHANGE(&locking_thread_id,current_thread_id); + recursion_count=1; + return true; + } + return false; + } + template <typename D> + bool try_timed_lock_for(long current_thread_id,D const& target) + { + if(mutex.try_lock_for(target)) + { + BOOST_INTERLOCKED_EXCHANGE(&locking_thread_id,current_thread_id); + recursion_count=1; + return true; + } + return false; + } }; typedef basic_recursive_mutex_impl<basic_timed_mutex> basic_recursive_mutex; |