head 1.2; access; symbols perseant-exfatfs-base-20250801:1.2 perseant-exfatfs-base-20240630:1.2 perseant-exfatfs:1.2.0.4 perseant-exfatfs-base:1.2 netbsd-8-3-RELEASE:1.1.1.6 netbsd-9-4-RELEASE:1.1.1.6 netbsd-9-3-RELEASE:1.1.1.6 cjep_sun2x:1.2.0.2 cjep_sun2x-base:1.2 cjep_staticlib_x-base1:1.2 netbsd-9-2-RELEASE:1.1.1.6 cjep_staticlib_x:1.1.1.6.0.22 cjep_staticlib_x-base:1.1.1.6 netbsd-9-1-RELEASE:1.1.1.6 phil-wifi-20200421:1.1.1.6 phil-wifi-20200411:1.1.1.6 is-mlppp:1.1.1.6.0.20 is-mlppp-base:1.1.1.6 phil-wifi-20200406:1.1.1.6 netbsd-8-2-RELEASE:1.1.1.6 netbsd-9-0-RELEASE:1.1.1.6 netbsd-9-0-RC2:1.1.1.6 netbsd-9-0-RC1:1.1.1.6 phil-wifi-20191119:1.1.1.6 netbsd-9:1.1.1.6.0.18 netbsd-9-base:1.1.1.6 phil-wifi-20190609:1.1.1.6 netbsd-8-1-RELEASE:1.1.1.6 netbsd-8-1-RC1:1.1.1.6 pgoyette-compat-merge-20190127:1.1.1.6 pgoyette-compat-20190127:1.1.1.6 pgoyette-compat-20190118:1.1.1.6 pgoyette-compat-1226:1.1.1.6 pgoyette-compat-1126:1.1.1.6 pgoyette-compat-1020:1.1.1.6 pgoyette-compat-0930:1.1.1.6 pgoyette-compat-0906:1.1.1.6 netbsd-7-2-RELEASE:1.1.1.5 pgoyette-compat-0728:1.1.1.6 netbsd-8-0-RELEASE:1.1.1.6 phil-wifi:1.1.1.6.0.16 phil-wifi-base:1.1.1.6 pgoyette-compat-0625:1.1.1.6 netbsd-8-0-RC2:1.1.1.6 pgoyette-compat-0521:1.1.1.6 pgoyette-compat-0502:1.1.1.6 pgoyette-compat-0422:1.1.1.6 netbsd-8-0-RC1:1.1.1.6 pgoyette-compat-0415:1.1.1.6 pgoyette-compat-0407:1.1.1.6 pgoyette-compat-0330:1.1.1.6 pgoyette-compat-0322:1.1.1.6 pgoyette-compat-0315:1.1.1.6 netbsd-7-1-2-RELEASE:1.1.1.5 pgoyette-compat:1.1.1.6.0.14 pgoyette-compat-base:1.1.1.6 netbsd-7-1-1-RELEASE:1.1.1.5 matt-nb8-mediatek:1.1.1.6.0.12 matt-nb8-mediatek-base:1.1.1.6 perseant-stdc-iso10646:1.1.1.6.0.10 perseant-stdc-iso10646-base:1.1.1.6 netbsd-8:1.1.1.6.0.8 netbsd-8-base:1.1.1.6 prg-localcount2-base3:1.1.1.6 prg-localcount2-base2:1.1.1.6 prg-localcount2-base1:1.1.1.6 prg-localcount2:1.1.1.6.0.6 prg-localcount2-base:1.1.1.6 pgoyette-localcount-20170426:1.1.1.6 bouyer-socketcan-base1:1.1.1.6 pgoyette-localcount-20170320:1.1.1.6 netbsd-7-1:1.1.1.5.0.10 netbsd-7-1-RELEASE:1.1.1.5 netbsd-7-1-RC2:1.1.1.5 netbsd-7-nhusb-base-20170116:1.1.1.5 bouyer-socketcan:1.1.1.6.0.4 bouyer-socketcan-base:1.1.1.6 pgoyette-localcount-20170107:1.1.1.6 netbsd-7-1-RC1:1.1.1.5 pgoyette-localcount-20161104:1.1.1.6 netbsd-7-0-2-RELEASE:1.1.1.5 localcount-20160914:1.1.1.6 netbsd-7-nhusb:1.1.1.5.0.8 netbsd-7-nhusb-base:1.1.1.5 pgoyette-localcount-20160806:1.1.1.6 pgoyette-localcount-20160726:1.1.1.6 pgoyette-localcount:1.1.1.6.0.2 pgoyette-localcount-base:1.1.1.6 netbsd-7-0-1-RELEASE:1.1.1.5 netbsd-7-0:1.1.1.5.0.6 netbsd-7-0-RELEASE:1.1.1.5 libcxx-245547:1.1.1.6 netbsd-7-0-RC3:1.1.1.5 netbsd-7-0-RC2:1.1.1.5 netbsd-7-0-RC1:1.1.1.5 netbsd-7:1.1.1.5.0.4 netbsd-7-base:1.1.1.5 libcxx-215289:1.1.1.5 libcxx-209785:1.1.1.5 yamt-pagecache:1.1.1.5.0.2 libcxx-208870:1.1.1.5 yamt-pagecache-base9:1.1.1.4 tls-earlyentropy:1.1.1.4.0.2 tls-earlyentropy-base:1.1.1.5 riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.1.1.4 riastradh-drm2-base3:1.1.1.4 libcxx-198773:1.1.1.4 libcxx-198452:1.1.1.4 libcxx-195694:1.1.1.3 libcxx-194207:1.1.1.3 libcxx-188475:1.1.1.2 riastradh-drm2-base2:1.1.1.1 riastradh-drm2-base1:1.1.1.1 riastradh-drm2:1.1.1.1.0.4 riastradh-drm2-base:1.1.1.1 libcxx-185674:1.1.1.1 tls-maxphys-base:1.1.1.5 tls-maxphys:1.1.1.1.0.2 libcxx-182162:1.1.1.1 LLVM:1.1.1; locks; strict; comment @# @; 1.2 date 2021.05.30.03.26.34; author joerg; state dead; branches; next 1.1; commitid Z2BWNc6JrDmRz7VC; 1.1 date 2013.05.17.23.02.23; author joerg; state Exp; branches 1.1.1.1; next ; commitid 5RZzZYRawlqwq2Qw; 1.1.1.1 date 2013.05.17.23.02.23; author joerg; state Exp; branches 1.1.1.1.2.1; next 1.1.1.2; commitid 5RZzZYRawlqwq2Qw; 1.1.1.2 date 2013.08.15.22.38.29; author joerg; state Exp; branches; next 1.1.1.3; commitid XzkpFPFnGVFXoB1x; 1.1.1.3 date 2013.11.11.23.42.49; author joerg; state Exp; branches; next 1.1.1.4; commitid 9tiT6SEsEN83VUcx; 1.1.1.4 date 2014.01.04.21.32.11; author joerg; state Exp; branches 1.1.1.4.2.1; next 1.1.1.5; commitid gAL45VqEe0AdtQjx; 1.1.1.5 date 2014.05.15.23.53.10; author joerg; state Exp; branches 1.1.1.5.2.1; next 1.1.1.6; commitid GaGFKjw76FPm2HAx; 1.1.1.6 date 2015.08.20.09.31.48; author joerg; state Exp; branches 1.1.1.6.22.1; next ; commitid ejnZ8WhR0kK5qZxy; 1.1.1.1.2.1 date 2013.05.17.23.02.23; author tls; state dead; branches; next 1.1.1.1.2.2; commitid OnlO1cBgtQRcIHUw; 1.1.1.1.2.2 date 2013.06.23.06.26.39; author tls; state Exp; branches; next 1.1.1.1.2.3; commitid OnlO1cBgtQRcIHUw; 1.1.1.1.2.3 date 2014.08.19.23.46.50; author tls; state Exp; branches; next ; commitid jTnpym9Qu0o4R1Nx; 1.1.1.4.2.1 date 2014.08.10.07.07.26; author tls; state Exp; branches; next ; commitid xYWlO1qKJE4jGMLx; 1.1.1.5.2.1 date 2014.05.15.23.53.10; author yamt; state dead; branches; next 1.1.1.5.2.2; commitid 5gylMoBTXvvB7yBx; 1.1.1.5.2.2 date 2014.05.22.15.46.09; author yamt; state Exp; branches; next ; commitid 5gylMoBTXvvB7yBx; 1.1.1.6.22.1 date 2021.05.31.22.10.15; author cjep; state dead; branches; next ; commitid eWz9SBW0XqKjJlVC; desc @@ 1.2 log @Remove old version of libc++, migrated to external/apache2/dist/libcxx to match the rest of the mono-repo imports. @ text @// -*- C++ -*- //===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP___MUTEX_BASE #define _LIBCPP___MUTEX_BASE #include <__config> #include #include #include #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif #ifdef _LIBCPP_SHARED_LOCK namespace ting { template class shared_lock; template class upgrade_lock; } #endif // _LIBCPP_SHARED_LOCK _LIBCPP_BEGIN_NAMESPACE_STD class _LIBCPP_TYPE_VIS mutex { pthread_mutex_t __m_; public: _LIBCPP_INLINE_VISIBILITY #ifndef _LIBCPP_HAS_NO_CONSTEXPR constexpr mutex() _NOEXCEPT : __m_(PTHREAD_MUTEX_INITIALIZER) {} #else mutex() _NOEXCEPT {__m_ = (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER;} #endif ~mutex(); private: mutex(const mutex&);// = delete; mutex& operator=(const mutex&);// = delete; public: void lock(); bool try_lock() _NOEXCEPT; void unlock() _NOEXCEPT; typedef pthread_mutex_t* native_handle_type; _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__m_;} }; struct _LIBCPP_TYPE_VIS defer_lock_t {}; struct _LIBCPP_TYPE_VIS try_to_lock_t {}; struct _LIBCPP_TYPE_VIS adopt_lock_t {}; #if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MUTEX) extern const defer_lock_t defer_lock; extern const try_to_lock_t try_to_lock; extern const adopt_lock_t adopt_lock; #else constexpr defer_lock_t defer_lock = defer_lock_t(); constexpr try_to_lock_t try_to_lock = try_to_lock_t(); constexpr adopt_lock_t adopt_lock = adopt_lock_t(); #endif template class _LIBCPP_TYPE_VIS lock_guard { public: typedef _Mutex mutex_type; private: mutex_type& __m_; public: _LIBCPP_INLINE_VISIBILITY explicit lock_guard(mutex_type& __m) : __m_(__m) {__m_.lock();} _LIBCPP_INLINE_VISIBILITY lock_guard(mutex_type& __m, adopt_lock_t) : __m_(__m) {} _LIBCPP_INLINE_VISIBILITY ~lock_guard() {__m_.unlock();} private: lock_guard(lock_guard const&);// = delete; lock_guard& operator=(lock_guard const&);// = delete; }; template class _LIBCPP_TYPE_VIS unique_lock { public: typedef _Mutex mutex_type; private: mutex_type* __m_; bool __owns_; public: _LIBCPP_INLINE_VISIBILITY unique_lock() _NOEXCEPT : __m_(nullptr), __owns_(false) {} _LIBCPP_INLINE_VISIBILITY explicit unique_lock(mutex_type& __m) : __m_(&__m), __owns_(true) {__m_->lock();} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, defer_lock_t) _NOEXCEPT : __m_(&__m), __owns_(false) {} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, try_to_lock_t) : __m_(&__m), __owns_(__m.try_lock()) {} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, adopt_lock_t) : __m_(&__m), __owns_(true) {} template _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, const chrono::time_point<_Clock, _Duration>& __t) : __m_(&__m), __owns_(__m.try_lock_until(__t)) {} template _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, const chrono::duration<_Rep, _Period>& __d) : __m_(&__m), __owns_(__m.try_lock_for(__d)) {} _LIBCPP_INLINE_VISIBILITY ~unique_lock() { if (__owns_) __m_->unlock(); } private: unique_lock(unique_lock const&); // = delete; unique_lock& operator=(unique_lock const&); // = delete; public: #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES _LIBCPP_INLINE_VISIBILITY unique_lock(unique_lock&& __u) _NOEXCEPT : __m_(__u.__m_), __owns_(__u.__owns_) {__u.__m_ = nullptr; __u.__owns_ = false;} _LIBCPP_INLINE_VISIBILITY unique_lock& operator=(unique_lock&& __u) _NOEXCEPT { if (__owns_) __m_->unlock(); __m_ = __u.__m_; __owns_ = __u.__owns_; __u.__m_ = nullptr; __u.__owns_ = false; return *this; } #ifdef _LIBCPP_SHARED_LOCK unique_lock(ting::shared_lock&&, try_to_lock_t); template unique_lock(ting::shared_lock&&, const chrono::time_point<_Clock, _Duration>&); template unique_lock(ting::shared_lock&&, const chrono::duration<_Rep, _Period>&); explicit unique_lock(ting::upgrade_lock&&); unique_lock(ting::upgrade_lock&&, try_to_lock_t); template unique_lock(ting::upgrade_lock&&, const chrono::time_point<_Clock, _Duration>&); template unique_lock(ting::upgrade_lock&&, const chrono::duration<_Rep, _Period>&); #endif // _LIBCPP_SHARED_LOCK #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES void lock(); bool try_lock(); template bool try_lock_for(const chrono::duration<_Rep, _Period>& __d); template bool try_lock_until(const chrono::time_point<_Clock, _Duration>& __t); void unlock(); _LIBCPP_INLINE_VISIBILITY void swap(unique_lock& __u) _NOEXCEPT { _VSTD::swap(__m_, __u.__m_); _VSTD::swap(__owns_, __u.__owns_); } _LIBCPP_INLINE_VISIBILITY mutex_type* release() _NOEXCEPT { mutex_type* __m = __m_; __m_ = nullptr; __owns_ = false; return __m; } _LIBCPP_INLINE_VISIBILITY bool owns_lock() const _NOEXCEPT {return __owns_;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_EXPLICIT operator bool () const _NOEXCEPT {return __owns_;} _LIBCPP_INLINE_VISIBILITY mutex_type* mutex() const _NOEXCEPT {return __m_;} }; template void unique_lock<_Mutex>::lock() { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::lock: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::lock: already locked"); __m_->lock(); __owns_ = true; } template bool unique_lock<_Mutex>::try_lock() { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock: already locked"); __owns_ = __m_->try_lock(); return __owns_; } template template bool unique_lock<_Mutex>::try_lock_for(const chrono::duration<_Rep, _Period>& __d) { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock_for: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock_for: already locked"); __owns_ = __m_->try_lock_for(__d); return __owns_; } template template bool unique_lock<_Mutex>::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t) { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock_until: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock_until: already locked"); __owns_ = __m_->try_lock_until(__t); return __owns_; } template void unique_lock<_Mutex>::unlock() { if (!__owns_) __throw_system_error(EPERM, "unique_lock::unlock: not locked"); __m_->unlock(); __owns_ = false; } template inline _LIBCPP_INLINE_VISIBILITY void swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y) _NOEXCEPT {__x.swap(__y);} struct _LIBCPP_TYPE_VIS cv_status { enum __lx { no_timeout, timeout }; __lx __v_; _LIBCPP_INLINE_VISIBILITY cv_status(__lx __v) : __v_(__v) {} _LIBCPP_INLINE_VISIBILITY operator int() const {return __v_;} }; class _LIBCPP_TYPE_VIS condition_variable { pthread_cond_t __cv_; public: _LIBCPP_INLINE_VISIBILITY #ifndef _LIBCPP_HAS_NO_CONSTEXPR constexpr condition_variable() : __cv_(PTHREAD_COND_INITIALIZER) {} #else condition_variable() {__cv_ = (pthread_cond_t)PTHREAD_COND_INITIALIZER;} #endif ~condition_variable(); private: condition_variable(const condition_variable&); // = delete; condition_variable& operator=(const condition_variable&); // = delete; public: void notify_one() _NOEXCEPT; void notify_all() _NOEXCEPT; void wait(unique_lock& __lk); template void wait(unique_lock& __lk, _Predicate __pred); template cv_status wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t); template bool wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t, _Predicate __pred); template cv_status wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d); template bool wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d, _Predicate __pred); typedef pthread_cond_t* native_handle_type; _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__cv_;} private: void __do_timed_wait(unique_lock& __lk, chrono::time_point); }; template inline _LIBCPP_INLINE_VISIBILITY typename enable_if < chrono::__is_duration<_To>::value, _To >::type __ceil(chrono::duration<_Rep, _Period> __d) { using namespace chrono; _To __r = duration_cast<_To>(__d); if (__r < __d) ++__r; return __r; } template void condition_variable::wait(unique_lock& __lk, _Predicate __pred) { while (!__pred()) wait(__lk); } template cv_status condition_variable::wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t) { using namespace chrono; wait_for(__lk, __t - _Clock::now()); return _Clock::now() < __t ? cv_status::no_timeout : cv_status::timeout; } template bool condition_variable::wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t, _Predicate __pred) { while (!__pred()) { if (wait_until(__lk, __t) == cv_status::timeout) return __pred(); } return true; } template cv_status condition_variable::wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d) { using namespace chrono; if (__d <= __d.zero()) return cv_status::timeout; typedef time_point > __sys_tpf; typedef time_point __sys_tpi; __sys_tpf _Max = __sys_tpi::max(); system_clock::time_point __s_now = system_clock::now(); steady_clock::time_point __c_now = steady_clock::now(); if (_Max - __d > __s_now) __do_timed_wait(__lk, __s_now + __ceil(__d)); else __do_timed_wait(__lk, __sys_tpi::max()); return steady_clock::now() - __c_now < __d ? cv_status::no_timeout : cv_status::timeout; } template inline _LIBCPP_INLINE_VISIBILITY bool condition_variable::wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d, _Predicate __pred) { return wait_until(__lk, chrono::steady_clock::now() + __d, _VSTD::move(__pred)); } _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___MUTEX_BASE @ 1.1 log @Initial revision @ text @@ 1.1.1.1 log @Import libc++ from http://llvm.org/svn/llvm-project, r182162. @ text @@ 1.1.1.2 log @Import libc++ r188413. More support for current C++ development and various bugfixes. @ text @d80 1 a80 1 class _LIBCPP_TYPE_VIS_ONLY lock_guard d104 1 a104 1 class _LIBCPP_TYPE_VIS_ONLY unique_lock @ 1.1.1.3 log @Import libc++ r194207. This brings in various bug fixes, a good chunk of support for the up-coming C++14 and improved compatibility with various compilers other than Clang. @ text @d23 10 d165 21 @ 1.1.1.4 log @Import r198452 of libc++. Primarily avoids C style casts and adds a number of cleanups. @ text @d257 1 a257 2 //enum class cv_status _LIBCPP_DECLARE_STRONG_ENUM(cv_status) d259 10 a268 2 no_timeout, timeout a269 1 _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(cv_status) @ 1.1.1.4.2.1 log @Rebase. @ text @d285 1 a285 1 void wait(unique_lock& __lk) _NOEXCEPT; d316 1 a316 1 chrono::time_point) _NOEXCEPT; @ 1.1.1.5 log @Import libc++ r208870. Improves const use, fixes a few cases of missing assign-to-self support and increase support for GCC. @ text @d285 1 a285 1 void wait(unique_lock& __lk) _NOEXCEPT; d316 1 a316 1 chrono::time_point) _NOEXCEPT; @ 1.1.1.6 log @Import libc++ r245547. Various bugfixes, improvements to the C++14 support and some experimental features from the library standard track. @ text @a24 2 #ifndef _LIBCPP_HAS_NO_THREADS a317 1 #endif // !_LIBCPP_HAS_NO_THREADS a334 1 #ifndef _LIBCPP_HAS_NO_THREADS a398 2 #endif // !_LIBCPP_HAS_NO_THREADS @ 1.1.1.6.22.1 log @sync with head @ text @@ 1.1.1.5.2.1 log @file __mutex_base was added on branch yamt-pagecache on 2014-05-22 15:46:09 +0000 @ text @d1 401 @ 1.1.1.5.2.2 log @sync with head. for a reference, the tree before this commit was tagged as yamt-pagecache-tag8. this commit was splitted into small chunks to avoid a limitation of cvs. ("Protocol error: too many arguments") @ text @a0 401 // -*- C++ -*- //===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP___MUTEX_BASE #define _LIBCPP___MUTEX_BASE #include <__config> #include #include #include #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD class _LIBCPP_TYPE_VIS mutex { pthread_mutex_t __m_; public: _LIBCPP_INLINE_VISIBILITY #ifndef _LIBCPP_HAS_NO_CONSTEXPR constexpr mutex() _NOEXCEPT : __m_(PTHREAD_MUTEX_INITIALIZER) {} #else mutex() _NOEXCEPT {__m_ = (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER;} #endif ~mutex(); private: mutex(const mutex&);// = delete; mutex& operator=(const mutex&);// = delete; public: void lock(); bool try_lock() _NOEXCEPT; void unlock() _NOEXCEPT; typedef pthread_mutex_t* native_handle_type; _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__m_;} }; struct _LIBCPP_TYPE_VIS defer_lock_t {}; struct _LIBCPP_TYPE_VIS try_to_lock_t {}; struct _LIBCPP_TYPE_VIS adopt_lock_t {}; #if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MUTEX) extern const defer_lock_t defer_lock; extern const try_to_lock_t try_to_lock; extern const adopt_lock_t adopt_lock; #else constexpr defer_lock_t defer_lock = defer_lock_t(); constexpr try_to_lock_t try_to_lock = try_to_lock_t(); constexpr adopt_lock_t adopt_lock = adopt_lock_t(); #endif template class _LIBCPP_TYPE_VIS_ONLY lock_guard { public: typedef _Mutex mutex_type; private: mutex_type& __m_; public: _LIBCPP_INLINE_VISIBILITY explicit lock_guard(mutex_type& __m) : __m_(__m) {__m_.lock();} _LIBCPP_INLINE_VISIBILITY lock_guard(mutex_type& __m, adopt_lock_t) : __m_(__m) {} _LIBCPP_INLINE_VISIBILITY ~lock_guard() {__m_.unlock();} private: lock_guard(lock_guard const&);// = delete; lock_guard& operator=(lock_guard const&);// = delete; }; template class _LIBCPP_TYPE_VIS_ONLY unique_lock { public: typedef _Mutex mutex_type; private: mutex_type* __m_; bool __owns_; public: _LIBCPP_INLINE_VISIBILITY unique_lock() _NOEXCEPT : __m_(nullptr), __owns_(false) {} _LIBCPP_INLINE_VISIBILITY explicit unique_lock(mutex_type& __m) : __m_(&__m), __owns_(true) {__m_->lock();} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, defer_lock_t) _NOEXCEPT : __m_(&__m), __owns_(false) {} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, try_to_lock_t) : __m_(&__m), __owns_(__m.try_lock()) {} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, adopt_lock_t) : __m_(&__m), __owns_(true) {} template _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, const chrono::time_point<_Clock, _Duration>& __t) : __m_(&__m), __owns_(__m.try_lock_until(__t)) {} template _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, const chrono::duration<_Rep, _Period>& __d) : __m_(&__m), __owns_(__m.try_lock_for(__d)) {} _LIBCPP_INLINE_VISIBILITY ~unique_lock() { if (__owns_) __m_->unlock(); } private: unique_lock(unique_lock const&); // = delete; unique_lock& operator=(unique_lock const&); // = delete; public: #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES _LIBCPP_INLINE_VISIBILITY unique_lock(unique_lock&& __u) _NOEXCEPT : __m_(__u.__m_), __owns_(__u.__owns_) {__u.__m_ = nullptr; __u.__owns_ = false;} _LIBCPP_INLINE_VISIBILITY unique_lock& operator=(unique_lock&& __u) _NOEXCEPT { if (__owns_) __m_->unlock(); __m_ = __u.__m_; __owns_ = __u.__owns_; __u.__m_ = nullptr; __u.__owns_ = false; return *this; } #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES void lock(); bool try_lock(); template bool try_lock_for(const chrono::duration<_Rep, _Period>& __d); template bool try_lock_until(const chrono::time_point<_Clock, _Duration>& __t); void unlock(); _LIBCPP_INLINE_VISIBILITY void swap(unique_lock& __u) _NOEXCEPT { _VSTD::swap(__m_, __u.__m_); _VSTD::swap(__owns_, __u.__owns_); } _LIBCPP_INLINE_VISIBILITY mutex_type* release() _NOEXCEPT { mutex_type* __m = __m_; __m_ = nullptr; __owns_ = false; return __m; } _LIBCPP_INLINE_VISIBILITY bool owns_lock() const _NOEXCEPT {return __owns_;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_EXPLICIT operator bool () const _NOEXCEPT {return __owns_;} _LIBCPP_INLINE_VISIBILITY mutex_type* mutex() const _NOEXCEPT {return __m_;} }; template void unique_lock<_Mutex>::lock() { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::lock: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::lock: already locked"); __m_->lock(); __owns_ = true; } template bool unique_lock<_Mutex>::try_lock() { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock: already locked"); __owns_ = __m_->try_lock(); return __owns_; } template template bool unique_lock<_Mutex>::try_lock_for(const chrono::duration<_Rep, _Period>& __d) { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock_for: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock_for: already locked"); __owns_ = __m_->try_lock_for(__d); return __owns_; } template template bool unique_lock<_Mutex>::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t) { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock_until: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock_until: already locked"); __owns_ = __m_->try_lock_until(__t); return __owns_; } template void unique_lock<_Mutex>::unlock() { if (!__owns_) __throw_system_error(EPERM, "unique_lock::unlock: not locked"); __m_->unlock(); __owns_ = false; } template inline _LIBCPP_INLINE_VISIBILITY void swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y) _NOEXCEPT {__x.swap(__y);} //enum class cv_status _LIBCPP_DECLARE_STRONG_ENUM(cv_status) { no_timeout, timeout }; _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(cv_status) class _LIBCPP_TYPE_VIS condition_variable { pthread_cond_t __cv_; public: _LIBCPP_INLINE_VISIBILITY #ifndef _LIBCPP_HAS_NO_CONSTEXPR constexpr condition_variable() : __cv_(PTHREAD_COND_INITIALIZER) {} #else condition_variable() {__cv_ = (pthread_cond_t)PTHREAD_COND_INITIALIZER;} #endif ~condition_variable(); private: condition_variable(const condition_variable&); // = delete; condition_variable& operator=(const condition_variable&); // = delete; public: void notify_one() _NOEXCEPT; void notify_all() _NOEXCEPT; void wait(unique_lock& __lk); template void wait(unique_lock& __lk, _Predicate __pred); template cv_status wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t); template bool wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t, _Predicate __pred); template cv_status wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d); template bool wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d, _Predicate __pred); typedef pthread_cond_t* native_handle_type; _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__cv_;} private: void __do_timed_wait(unique_lock& __lk, chrono::time_point); }; template inline _LIBCPP_INLINE_VISIBILITY typename enable_if < chrono::__is_duration<_To>::value, _To >::type __ceil(chrono::duration<_Rep, _Period> __d) { using namespace chrono; _To __r = duration_cast<_To>(__d); if (__r < __d) ++__r; return __r; } template void condition_variable::wait(unique_lock& __lk, _Predicate __pred) { while (!__pred()) wait(__lk); } template cv_status condition_variable::wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t) { using namespace chrono; wait_for(__lk, __t - _Clock::now()); return _Clock::now() < __t ? cv_status::no_timeout : cv_status::timeout; } template bool condition_variable::wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t, _Predicate __pred) { while (!__pred()) { if (wait_until(__lk, __t) == cv_status::timeout) return __pred(); } return true; } template cv_status condition_variable::wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d) { using namespace chrono; if (__d <= __d.zero()) return cv_status::timeout; typedef time_point > __sys_tpf; typedef time_point __sys_tpi; __sys_tpf _Max = __sys_tpi::max(); system_clock::time_point __s_now = system_clock::now(); steady_clock::time_point __c_now = steady_clock::now(); if (_Max - __d > __s_now) __do_timed_wait(__lk, __s_now + __ceil(__d)); else __do_timed_wait(__lk, __sys_tpi::max()); return steady_clock::now() - __c_now < __d ? cv_status::no_timeout : cv_status::timeout; } template inline _LIBCPP_INLINE_VISIBILITY bool condition_variable::wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d, _Predicate __pred) { return wait_until(__lk, chrono::steady_clock::now() + __d, _VSTD::move(__pred)); } _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___MUTEX_BASE @ 1.1.1.1.2.1 log @file __mutex_base was added on branch tls-maxphys on 2013-06-23 06:26:39 +0000 @ text @d1 438 @ 1.1.1.1.2.2 log @resync from head @ text @a0 438 // -*- C++ -*- //===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef _LIBCPP___MUTEX_BASE #define _LIBCPP___MUTEX_BASE #include <__config> #include #include #include #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif #ifdef _LIBCPP_SHARED_LOCK namespace ting { template class shared_lock; template class upgrade_lock; } #endif // _LIBCPP_SHARED_LOCK _LIBCPP_BEGIN_NAMESPACE_STD class _LIBCPP_TYPE_VIS mutex { pthread_mutex_t __m_; public: _LIBCPP_INLINE_VISIBILITY #ifndef _LIBCPP_HAS_NO_CONSTEXPR constexpr mutex() _NOEXCEPT : __m_(PTHREAD_MUTEX_INITIALIZER) {} #else mutex() _NOEXCEPT {__m_ = (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER;} #endif ~mutex(); private: mutex(const mutex&);// = delete; mutex& operator=(const mutex&);// = delete; public: void lock(); bool try_lock() _NOEXCEPT; void unlock() _NOEXCEPT; typedef pthread_mutex_t* native_handle_type; _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__m_;} }; struct _LIBCPP_TYPE_VIS defer_lock_t {}; struct _LIBCPP_TYPE_VIS try_to_lock_t {}; struct _LIBCPP_TYPE_VIS adopt_lock_t {}; #if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MUTEX) extern const defer_lock_t defer_lock; extern const try_to_lock_t try_to_lock; extern const adopt_lock_t adopt_lock; #else constexpr defer_lock_t defer_lock = defer_lock_t(); constexpr try_to_lock_t try_to_lock = try_to_lock_t(); constexpr adopt_lock_t adopt_lock = adopt_lock_t(); #endif template class _LIBCPP_TYPE_VIS lock_guard { public: typedef _Mutex mutex_type; private: mutex_type& __m_; public: _LIBCPP_INLINE_VISIBILITY explicit lock_guard(mutex_type& __m) : __m_(__m) {__m_.lock();} _LIBCPP_INLINE_VISIBILITY lock_guard(mutex_type& __m, adopt_lock_t) : __m_(__m) {} _LIBCPP_INLINE_VISIBILITY ~lock_guard() {__m_.unlock();} private: lock_guard(lock_guard const&);// = delete; lock_guard& operator=(lock_guard const&);// = delete; }; template class _LIBCPP_TYPE_VIS unique_lock { public: typedef _Mutex mutex_type; private: mutex_type* __m_; bool __owns_; public: _LIBCPP_INLINE_VISIBILITY unique_lock() _NOEXCEPT : __m_(nullptr), __owns_(false) {} _LIBCPP_INLINE_VISIBILITY explicit unique_lock(mutex_type& __m) : __m_(&__m), __owns_(true) {__m_->lock();} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, defer_lock_t) _NOEXCEPT : __m_(&__m), __owns_(false) {} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, try_to_lock_t) : __m_(&__m), __owns_(__m.try_lock()) {} _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, adopt_lock_t) : __m_(&__m), __owns_(true) {} template _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, const chrono::time_point<_Clock, _Duration>& __t) : __m_(&__m), __owns_(__m.try_lock_until(__t)) {} template _LIBCPP_INLINE_VISIBILITY unique_lock(mutex_type& __m, const chrono::duration<_Rep, _Period>& __d) : __m_(&__m), __owns_(__m.try_lock_for(__d)) {} _LIBCPP_INLINE_VISIBILITY ~unique_lock() { if (__owns_) __m_->unlock(); } private: unique_lock(unique_lock const&); // = delete; unique_lock& operator=(unique_lock const&); // = delete; public: #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES _LIBCPP_INLINE_VISIBILITY unique_lock(unique_lock&& __u) _NOEXCEPT : __m_(__u.__m_), __owns_(__u.__owns_) {__u.__m_ = nullptr; __u.__owns_ = false;} _LIBCPP_INLINE_VISIBILITY unique_lock& operator=(unique_lock&& __u) _NOEXCEPT { if (__owns_) __m_->unlock(); __m_ = __u.__m_; __owns_ = __u.__owns_; __u.__m_ = nullptr; __u.__owns_ = false; return *this; } #ifdef _LIBCPP_SHARED_LOCK unique_lock(ting::shared_lock&&, try_to_lock_t); template unique_lock(ting::shared_lock&&, const chrono::time_point<_Clock, _Duration>&); template unique_lock(ting::shared_lock&&, const chrono::duration<_Rep, _Period>&); explicit unique_lock(ting::upgrade_lock&&); unique_lock(ting::upgrade_lock&&, try_to_lock_t); template unique_lock(ting::upgrade_lock&&, const chrono::time_point<_Clock, _Duration>&); template unique_lock(ting::upgrade_lock&&, const chrono::duration<_Rep, _Period>&); #endif // _LIBCPP_SHARED_LOCK #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES void lock(); bool try_lock(); template bool try_lock_for(const chrono::duration<_Rep, _Period>& __d); template bool try_lock_until(const chrono::time_point<_Clock, _Duration>& __t); void unlock(); _LIBCPP_INLINE_VISIBILITY void swap(unique_lock& __u) _NOEXCEPT { _VSTD::swap(__m_, __u.__m_); _VSTD::swap(__owns_, __u.__owns_); } _LIBCPP_INLINE_VISIBILITY mutex_type* release() _NOEXCEPT { mutex_type* __m = __m_; __m_ = nullptr; __owns_ = false; return __m; } _LIBCPP_INLINE_VISIBILITY bool owns_lock() const _NOEXCEPT {return __owns_;} _LIBCPP_INLINE_VISIBILITY _LIBCPP_EXPLICIT operator bool () const _NOEXCEPT {return __owns_;} _LIBCPP_INLINE_VISIBILITY mutex_type* mutex() const _NOEXCEPT {return __m_;} }; template void unique_lock<_Mutex>::lock() { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::lock: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::lock: already locked"); __m_->lock(); __owns_ = true; } template bool unique_lock<_Mutex>::try_lock() { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock: already locked"); __owns_ = __m_->try_lock(); return __owns_; } template template bool unique_lock<_Mutex>::try_lock_for(const chrono::duration<_Rep, _Period>& __d) { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock_for: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock_for: already locked"); __owns_ = __m_->try_lock_for(__d); return __owns_; } template template bool unique_lock<_Mutex>::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t) { if (__m_ == nullptr) __throw_system_error(EPERM, "unique_lock::try_lock_until: references null mutex"); if (__owns_) __throw_system_error(EDEADLK, "unique_lock::try_lock_until: already locked"); __owns_ = __m_->try_lock_until(__t); return __owns_; } template void unique_lock<_Mutex>::unlock() { if (!__owns_) __throw_system_error(EPERM, "unique_lock::unlock: not locked"); __m_->unlock(); __owns_ = false; } template inline _LIBCPP_INLINE_VISIBILITY void swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y) _NOEXCEPT {__x.swap(__y);} struct _LIBCPP_TYPE_VIS cv_status { enum __lx { no_timeout, timeout }; __lx __v_; _LIBCPP_INLINE_VISIBILITY cv_status(__lx __v) : __v_(__v) {} _LIBCPP_INLINE_VISIBILITY operator int() const {return __v_;} }; class _LIBCPP_TYPE_VIS condition_variable { pthread_cond_t __cv_; public: _LIBCPP_INLINE_VISIBILITY #ifndef _LIBCPP_HAS_NO_CONSTEXPR constexpr condition_variable() : __cv_(PTHREAD_COND_INITIALIZER) {} #else condition_variable() {__cv_ = (pthread_cond_t)PTHREAD_COND_INITIALIZER;} #endif ~condition_variable(); private: condition_variable(const condition_variable&); // = delete; condition_variable& operator=(const condition_variable&); // = delete; public: void notify_one() _NOEXCEPT; void notify_all() _NOEXCEPT; void wait(unique_lock& __lk); template void wait(unique_lock& __lk, _Predicate __pred); template cv_status wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t); template bool wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t, _Predicate __pred); template cv_status wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d); template bool wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d, _Predicate __pred); typedef pthread_cond_t* native_handle_type; _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__cv_;} private: void __do_timed_wait(unique_lock& __lk, chrono::time_point); }; template inline _LIBCPP_INLINE_VISIBILITY typename enable_if < chrono::__is_duration<_To>::value, _To >::type __ceil(chrono::duration<_Rep, _Period> __d) { using namespace chrono; _To __r = duration_cast<_To>(__d); if (__r < __d) ++__r; return __r; } template void condition_variable::wait(unique_lock& __lk, _Predicate __pred) { while (!__pred()) wait(__lk); } template cv_status condition_variable::wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t) { using namespace chrono; wait_for(__lk, __t - _Clock::now()); return _Clock::now() < __t ? cv_status::no_timeout : cv_status::timeout; } template bool condition_variable::wait_until(unique_lock& __lk, const chrono::time_point<_Clock, _Duration>& __t, _Predicate __pred) { while (!__pred()) { if (wait_until(__lk, __t) == cv_status::timeout) return __pred(); } return true; } template cv_status condition_variable::wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d) { using namespace chrono; if (__d <= __d.zero()) return cv_status::timeout; typedef time_point > __sys_tpf; typedef time_point __sys_tpi; __sys_tpf _Max = __sys_tpi::max(); system_clock::time_point __s_now = system_clock::now(); steady_clock::time_point __c_now = steady_clock::now(); if (_Max - __d > __s_now) __do_timed_wait(__lk, __s_now + __ceil(__d)); else __do_timed_wait(__lk, __sys_tpi::max()); return steady_clock::now() - __c_now < __d ? cv_status::no_timeout : cv_status::timeout; } template inline _LIBCPP_INLINE_VISIBILITY bool condition_variable::wait_for(unique_lock& __lk, const chrono::duration<_Rep, _Period>& __d, _Predicate __pred) { return wait_until(__lk, chrono::steady_clock::now() + __d, _VSTD::move(__pred)); } _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___MUTEX_BASE @ 1.1.1.1.2.3 log @Rebase to HEAD as of a few days ago. @ text @d23 10 d80 1 a80 1 class _LIBCPP_TYPE_VIS_ONLY lock_guard d104 1 a104 1 class _LIBCPP_TYPE_VIS_ONLY unique_lock d165 21 d288 1 a288 2 //enum class cv_status _LIBCPP_DECLARE_STRONG_ENUM(cv_status) d290 10 a299 2 no_timeout, timeout a300 1 _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(cv_status) d322 1 a322 1 void wait(unique_lock& __lk) _NOEXCEPT; d353 1 a353 1 chrono::time_point) _NOEXCEPT; @