29 #ifndef _GLIBCXX_CONDITION_VARIABLE
30 #define _GLIBCXX_CONDITION_VARIABLE 1
32 #pragma GCC system_header
34 #if __cplusplus < 201103L
40 #ifdef _GLIBCXX_DTS2_CONDITION_VARIABLE_ANY
44 #if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
46 namespace std _GLIBCXX_VISIBILITY(default)
48 _GLIBCXX_BEGIN_NAMESPACE_VERSION
64 typedef chrono::system_clock __clock_t;
65 typedef __gthread_cond_t __native_type;
67 #ifdef __GTHREAD_COND_INIT
68 __native_type _M_cond = __GTHREAD_COND_INIT;
70 __native_type _M_cond;
74 typedef __native_type* native_handle_type;
83 notify_one() noexcept;
86 notify_all() noexcept;
91 template<
typename _Predicate>
99 template<
typename _Duration>
103 {
return __wait_until_impl(__lock, __atime); }
105 template<
typename _Clock,
typename _Duration>
111 const typename _Clock::time_point __c_entry = _Clock::now();
112 const __clock_t::time_point __s_entry = __clock_t::now();
113 const auto __delta = __atime - __c_entry;
114 const auto __s_atime = __s_entry + __delta;
116 return __wait_until_impl(__lock, __s_atime);
119 template<
typename _Clock,
typename _Duration,
typename _Predicate>
126 if (wait_until(__lock, __atime) == cv_status::timeout)
131 template<
typename _Rep,
typename _Period>
135 {
return wait_until(__lock, __clock_t::now() + __rtime); }
137 template<
typename _Rep,
typename _Period,
typename _Predicate>
142 {
return wait_until(__lock, __clock_t::now() + __rtime, std::move(__p)); }
149 template<
typename _Dur>
157 __gthread_time_t __ts =
159 static_cast<std::time_t
>(__s.time_since_epoch().count()),
160 static_cast<long>(__ns.count())
163 __gthread_cond_timedwait(&_M_cond, __lock.mutex()->native_handle(),
166 return (__clock_t::now() < __atime
167 ? cv_status::no_timeout : cv_status::timeout);
171 #ifdef _GLIBCXX_DTS2_CONDITION_VARIABLE_ANY
172 inline namespace _V2 {
179 typedef chrono::system_clock __clock_t;
181 #ifdef _GLIBCXX_DTS2_CONDITION_VARIABLE_ANY
188 template<
typename _Lock>
191 explicit _Unlock(_Lock& __lk) : _M_lock(__lk) { __lk.unlock(); }
193 ~_Unlock() noexcept(
false)
196 __try { _M_lock.lock(); } __catch(...) { }
201 _Unlock(
const _Unlock&) =
delete;
202 _Unlock& operator=(
const _Unlock&) =
delete;
208 #ifdef _GLIBCXX_DTS2_CONDITION_VARIABLE_ANY
220 notify_one() noexcept
222 #ifdef _GLIBCXX_DTS2_CONDITION_VARIABLE_ANY
227 _M_cond.notify_one();
231 notify_all() noexcept
233 #ifdef _GLIBCXX_DTS2_CONDITION_VARIABLE_ANY
238 _M_cond.notify_all();
241 template<
typename _Lock>
245 #ifdef _GLIBCXX_DTS2_CONDITION_VARIABLE_ANY
251 _Unlock<_Lock> __unlock(__lock);
255 _M_cond.wait(__my_lock2);
259 template<
typename _Lock,
typename _Predicate>
261 wait(_Lock& __lock, _Predicate __p)
267 template<
typename _Lock,
typename _Clock,
typename _Duration>
269 wait_until(_Lock& __lock,
272 #ifdef _GLIBCXX_DTS2_CONDITION_VARIABLE_ANY
278 _Unlock<_Lock> __unlock(__lock);
282 return _M_cond.wait_until(__my_lock2, __atime);
285 template<
typename _Lock,
typename _Clock,
286 typename _Duration,
typename _Predicate>
288 wait_until(_Lock& __lock,
293 if (wait_until(__lock, __atime) == cv_status::timeout)
298 template<
typename _Lock,
typename _Rep,
typename _Period>
301 {
return wait_until(__lock, __clock_t::now() + __rtime); }
303 template<
typename _Lock,
typename _Rep,
304 typename _Period,
typename _Predicate>
306 wait_for(_Lock& __lock,
308 {
return wait_until(__lock, __clock_t::now() + __rtime, std::move(__p)); }
311 #ifdef _GLIBCXX_DTS2_CONDITION_VARIABLE_ANY
316 _GLIBCXX_END_NAMESPACE_VERSION
319 #endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
323 #endif // _GLIBCXX_CONDITION_VARIABLE
constexpr enable_if< __is_duration< _ToDur >::value, time_point< _Clock, _ToDur > >::type time_point_cast(const time_point< _Clock, _Dur > &__t)
time_point_cast
bool uncaught_exception() noexcept __attribute__((__pure__))
A smart pointer with reference-counted copy semantics.
constexpr enable_if< __is_duration< _ToDur >::value, _ToDur >::type duration_cast(const duration< _Rep, _Period > &__d)
duration_cast