diff options
Diffstat (limited to 'boost/thread/win32/condition_variable.hpp')
| -rw-r--r-- | boost/thread/win32/condition_variable.hpp | 181 |
1 files changed, 140 insertions, 41 deletions
diff --git a/boost/thread/win32/condition_variable.hpp b/boost/thread/win32/condition_variable.hpp index 056bda8086..63f830b186 100644 --- a/boost/thread/win32/condition_variable.hpp +++ b/boost/thread/win32/condition_variable.hpp @@ -4,18 +4,24 @@ // accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) // (C) Copyright 2007-8 Anthony Williams +// (C) Copyright 2011-2012 Vicente J. Botet Escriba #include <boost/thread/mutex.hpp> #include <boost/thread/win32/thread_primitives.hpp> #include <limits.h> #include <boost/assert.hpp> #include <algorithm> -#include <boost/thread/thread.hpp> +#include <boost/thread/cv_status.hpp> +#include <boost/thread/win32/thread_data.hpp> #include <boost/thread/thread_time.hpp> #include <boost/thread/win32/interlocked_read.hpp> #include <boost/thread/xtime.hpp> #include <vector> #include <boost/intrusive_ptr.hpp> +#ifdef BOOST_THREAD_USES_CHRONO +#include <boost/chrono/system_clocks.hpp> +#include <boost/chrono/ceil.hpp> +#endif #include <boost/config/abi_prefix.hpp> @@ -36,10 +42,8 @@ namespace boost bool notified; long references; - basic_cv_list_entry(basic_cv_list_entry&); - void operator=(basic_cv_list_entry&); - public: + BOOST_THREAD_NO_COPYABLE(basic_cv_list_entry) explicit basic_cv_list_entry(detail::win32::handle_manager const& wake_sem_): semaphore(detail::win32::create_anonymous_semaphore(0,LONG_MAX)), wake_sem(wake_sem_.duplicate()), @@ -77,9 +81,9 @@ namespace boost return notified; } - bool wait(timeout wait_until) + bool wait(timeout abs_time) { - return this_thread::interruptible_wait(semaphore,wait_until); + return this_thread::interruptible_wait(semaphore,abs_time); } bool woken() @@ -129,6 +133,7 @@ namespace boost template<typename lock_type> struct relocker { + BOOST_THREAD_NO_COPYABLE(relocker) lock_type& lock; bool unlocked; @@ -148,9 +153,6 @@ namespace boost } } - private: - relocker(relocker&); - void operator=(relocker&); }; @@ -182,6 +184,7 @@ namespace boost { entry_ptr const entry; + BOOST_THREAD_NO_COPYABLE(entry_manager) entry_manager(entry_ptr const& entry_): entry(entry_) {} @@ -195,16 +198,12 @@ namespace boost { return entry.get(); } - - private: - void operator=(entry_manager&); - entry_manager(entry_manager&); }; protected: template<typename lock_type> - bool do_wait(lock_type& lock,timeout wait_until) + bool do_wait(lock_type& lock,timeout abs_time) { relocker<lock_type> locker(lock); @@ -215,7 +214,7 @@ namespace boost bool woken=false; while(!woken) { - if(!entry->wait(wait_until)) + if(!entry->wait(abs_time)) { return false; } @@ -226,11 +225,11 @@ namespace boost } template<typename lock_type,typename predicate_type> - bool do_wait(lock_type& m,timeout const& wait_until,predicate_type pred) + bool do_wait(lock_type& m,timeout const& abs_time,predicate_type pred) { while (!pred()) { - if(!do_wait(m, wait_until)) + if(!do_wait(m, abs_time)) return pred(); } return true; @@ -247,7 +246,7 @@ namespace boost ~basic_condition_variable() {} - void notify_one() + void notify_one() BOOST_NOEXCEPT { if(detail::interlocked_read_acquire(&total_count)) { @@ -268,7 +267,7 @@ namespace boost } } - void notify_all() + void notify_all() BOOST_NOEXCEPT { if(detail::interlocked_read_acquire(&total_count)) { @@ -295,10 +294,8 @@ namespace boost class condition_variable: private detail::basic_condition_variable { - private: - condition_variable(condition_variable&); - void operator=(condition_variable&); public: + BOOST_THREAD_NO_COPYABLE(condition_variable) condition_variable() {} @@ -317,14 +314,14 @@ namespace boost } - bool timed_wait(unique_lock<mutex>& m,boost::system_time const& wait_until) + bool timed_wait(unique_lock<mutex>& m,boost::system_time const& abs_time) { - return do_wait(m,wait_until); + return do_wait(m,abs_time); } - bool timed_wait(unique_lock<mutex>& m,boost::xtime const& wait_until) + bool timed_wait(unique_lock<mutex>& m,boost::xtime const& abs_time) { - return do_wait(m,system_time(wait_until)); + return do_wait(m,system_time(abs_time)); } template<typename duration_type> bool timed_wait(unique_lock<mutex>& m,duration_type const& wait_duration) @@ -333,29 +330,79 @@ namespace boost } template<typename predicate_type> - bool timed_wait(unique_lock<mutex>& m,boost::system_time const& wait_until,predicate_type pred) + bool timed_wait(unique_lock<mutex>& m,boost::system_time const& abs_time,predicate_type pred) { - return do_wait(m,wait_until,pred); + return do_wait(m,abs_time,pred); } template<typename predicate_type> - bool timed_wait(unique_lock<mutex>& m,boost::xtime const& wait_until,predicate_type pred) + bool timed_wait(unique_lock<mutex>& m,boost::xtime const& abs_time,predicate_type pred) { - return do_wait(m,system_time(wait_until),pred); + return do_wait(m,system_time(abs_time),pred); } template<typename duration_type,typename predicate_type> bool timed_wait(unique_lock<mutex>& m,duration_type const& wait_duration,predicate_type pred) { return do_wait(m,wait_duration.total_milliseconds(),pred); } + +#ifdef BOOST_THREAD_USES_CHRONO + + template <class Clock, class Duration> + cv_status + wait_until( + unique_lock<mutex>& lock, + const chrono::time_point<Clock, Duration>& t) + { + using namespace chrono; + do_wait(lock, ceil<milliseconds>(t-Clock::now()).count()); + return Clock::now() < t ? cv_status::no_timeout : + cv_status::timeout; + } + + template <class Rep, class Period> + cv_status + wait_for( + unique_lock<mutex>& lock, + const chrono::duration<Rep, Period>& d) + { + using namespace chrono; + steady_clock::time_point c_now = steady_clock::now(); + do_wait(lock, ceil<milliseconds>(d).count()); + return steady_clock::now() - c_now < d ? cv_status::no_timeout : + cv_status::timeout; + } + + template <class Clock, class Duration, class Predicate> + bool + wait_until( + unique_lock<mutex>& lock, + const chrono::time_point<Clock, Duration>& t, + Predicate pred) + { + while (!pred()) + { + if (wait_until(lock, t) == cv_status::timeout) + return pred(); + } + return true; + } + template <class Rep, class Period, class Predicate> + bool + wait_for( + unique_lock<mutex>& lock, + const chrono::duration<Rep, Period>& d, + Predicate pred) + { + return wait_until(lock, chrono::steady_clock::now() + d, pred); + } +#endif }; class condition_variable_any: private detail::basic_condition_variable { - private: - condition_variable_any(condition_variable_any&); - void operator=(condition_variable_any&); public: + BOOST_THREAD_NO_COPYABLE(condition_variable_any) condition_variable_any() {} @@ -375,15 +422,15 @@ namespace boost } template<typename lock_type> - bool timed_wait(lock_type& m,boost::system_time const& wait_until) + bool timed_wait(lock_type& m,boost::system_time const& abs_time) { - return do_wait(m,wait_until); + return do_wait(m,abs_time); } template<typename lock_type> - bool timed_wait(lock_type& m,boost::xtime const& wait_until) + bool timed_wait(lock_type& m,boost::xtime const& abs_time) { - return do_wait(m,system_time(wait_until)); + return do_wait(m,system_time(abs_time)); } template<typename lock_type,typename duration_type> @@ -393,15 +440,15 @@ namespace boost } template<typename lock_type,typename predicate_type> - bool timed_wait(lock_type& m,boost::system_time const& wait_until,predicate_type pred) + bool timed_wait(lock_type& m,boost::system_time const& abs_time,predicate_type pred) { - return do_wait(m,wait_until,pred); + return do_wait(m,abs_time,pred); } template<typename lock_type,typename predicate_type> - bool timed_wait(lock_type& m,boost::xtime const& wait_until,predicate_type pred) + bool timed_wait(lock_type& m,boost::xtime const& abs_time,predicate_type pred) { - return do_wait(m,system_time(wait_until),pred); + return do_wait(m,system_time(abs_time),pred); } template<typename lock_type,typename duration_type,typename predicate_type> @@ -409,6 +456,58 @@ namespace boost { return do_wait(m,wait_duration.total_milliseconds(),pred); } +#ifdef BOOST_THREAD_USES_CHRONO + + template <class lock_type, class Clock, class Duration> + cv_status + wait_until( + lock_type& lock, + const chrono::time_point<Clock, Duration>& t) + { + using namespace chrono; + do_wait(lock, ceil<milliseconds>(t-Clock::now()).count()); + return Clock::now() < t ? cv_status::no_timeout : + cv_status::timeout; + } + + template <class lock_type, class Rep, class Period> + cv_status + wait_for( + lock_type& lock, + const chrono::duration<Rep, Period>& d) + { + using namespace chrono; + steady_clock::time_point c_now = steady_clock::now(); + do_wait(lock, ceil<milliseconds>(d).count()); + return steady_clock::now() - c_now < d ? cv_status::no_timeout : + cv_status::timeout; + } + + template <class lock_type, class Clock, class Duration, class Predicate> + bool + wait_until( + lock_type& lock, + const chrono::time_point<Clock, Duration>& t, + Predicate pred) + { + while (!pred()) + { + if (wait_until(lock, t) == cv_status::timeout) + return pred(); + } + return true; + } + + template <class lock_type, class Rep, class Period, class Predicate> + bool + wait_for( + lock_type& lock, + const chrono::duration<Rep, Period>& d, + Predicate pred) + { + return wait_until(lock, chrono::steady_clock::now() + d, pred); + } +#endif }; } |