diff options
Diffstat (limited to 'contrib/llvm-project/libcxx/include/__atomic/atomic_flag.h')
| -rw-r--r-- | contrib/llvm-project/libcxx/include/__atomic/atomic_flag.h | 246 |
1 files changed, 88 insertions, 158 deletions
diff --git a/contrib/llvm-project/libcxx/include/__atomic/atomic_flag.h b/contrib/llvm-project/libcxx/include/__atomic/atomic_flag.h index edfa978f9935..d76e5e45c01a 100644 --- a/contrib/llvm-project/libcxx/include/__atomic/atomic_flag.h +++ b/contrib/llvm-project/libcxx/include/__atomic/atomic_flag.h @@ -24,205 +24,135 @@ _LIBCPP_BEGIN_NAMESPACE_STD -struct atomic_flag -{ - __cxx_atomic_impl<_LIBCPP_ATOMIC_FLAG_TYPE> __a_; - - _LIBCPP_HIDE_FROM_ABI - bool test(memory_order __m = memory_order_seq_cst) const volatile _NOEXCEPT - {return _LIBCPP_ATOMIC_FLAG_TYPE(true) == __cxx_atomic_load(&__a_, __m);} - _LIBCPP_HIDE_FROM_ABI - bool test(memory_order __m = memory_order_seq_cst) const _NOEXCEPT - {return _LIBCPP_ATOMIC_FLAG_TYPE(true) == __cxx_atomic_load(&__a_, __m);} - - _LIBCPP_HIDE_FROM_ABI - bool test_and_set(memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT - {return __cxx_atomic_exchange(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(true), __m);} - _LIBCPP_HIDE_FROM_ABI - bool test_and_set(memory_order __m = memory_order_seq_cst) _NOEXCEPT - {return __cxx_atomic_exchange(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(true), __m);} - _LIBCPP_HIDE_FROM_ABI - void clear(memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT - {__cxx_atomic_store(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(false), __m);} - _LIBCPP_HIDE_FROM_ABI - void clear(memory_order __m = memory_order_seq_cst) _NOEXCEPT - {__cxx_atomic_store(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(false), __m);} - - _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI - void wait(bool __v, memory_order __m = memory_order_seq_cst) const volatile _NOEXCEPT - {__cxx_atomic_wait(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(__v), __m);} - _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI - void wait(bool __v, memory_order __m = memory_order_seq_cst) const _NOEXCEPT - {__cxx_atomic_wait(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(__v), __m);} - _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI - void notify_one() volatile _NOEXCEPT - {__cxx_atomic_notify_one(&__a_);} - _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI - void notify_one() _NOEXCEPT - {__cxx_atomic_notify_one(&__a_);} - _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI - void notify_all() volatile _NOEXCEPT - {__cxx_atomic_notify_all(&__a_);} - _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI - void notify_all() _NOEXCEPT - {__cxx_atomic_notify_all(&__a_);} +struct atomic_flag { + __cxx_atomic_impl<_LIBCPP_ATOMIC_FLAG_TYPE> __a_; + + _LIBCPP_HIDE_FROM_ABI bool test(memory_order __m = memory_order_seq_cst) const volatile _NOEXCEPT { + return _LIBCPP_ATOMIC_FLAG_TYPE(true) == __cxx_atomic_load(&__a_, __m); + } + _LIBCPP_HIDE_FROM_ABI bool test(memory_order __m = memory_order_seq_cst) const _NOEXCEPT { + return _LIBCPP_ATOMIC_FLAG_TYPE(true) == __cxx_atomic_load(&__a_, __m); + } + + _LIBCPP_HIDE_FROM_ABI bool test_and_set(memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT { + return __cxx_atomic_exchange(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(true), __m); + } + _LIBCPP_HIDE_FROM_ABI bool test_and_set(memory_order __m = memory_order_seq_cst) _NOEXCEPT { + return __cxx_atomic_exchange(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(true), __m); + } + _LIBCPP_HIDE_FROM_ABI void clear(memory_order __m = memory_order_seq_cst) volatile _NOEXCEPT { + __cxx_atomic_store(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(false), __m); + } + _LIBCPP_HIDE_FROM_ABI void clear(memory_order __m = memory_order_seq_cst) _NOEXCEPT { + __cxx_atomic_store(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(false), __m); + } + + _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI void wait(bool __v, memory_order __m = memory_order_seq_cst) const + volatile _NOEXCEPT { + __cxx_atomic_wait(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(__v), __m); + } + _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI void + wait(bool __v, memory_order __m = memory_order_seq_cst) const _NOEXCEPT { + __cxx_atomic_wait(&__a_, _LIBCPP_ATOMIC_FLAG_TYPE(__v), __m); + } + _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI void notify_one() volatile _NOEXCEPT { + __cxx_atomic_notify_one(&__a_); + } + _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI void notify_one() _NOEXCEPT { __cxx_atomic_notify_one(&__a_); } + _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI void notify_all() volatile _NOEXCEPT { + __cxx_atomic_notify_all(&__a_); + } + _LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI void notify_all() _NOEXCEPT { __cxx_atomic_notify_all(&__a_); } #if _LIBCPP_STD_VER >= 20 - _LIBCPP_HIDE_FROM_ABI constexpr - atomic_flag() _NOEXCEPT : __a_(false) {} + _LIBCPP_HIDE_FROM_ABI constexpr atomic_flag() _NOEXCEPT : __a_(false) {} #else - atomic_flag() _NOEXCEPT = default; + atomic_flag() _NOEXCEPT = default; #endif - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR - atomic_flag(bool __b) _NOEXCEPT : __a_(__b) {} // EXTENSION - - atomic_flag(const atomic_flag&) = delete; - atomic_flag& operator=(const atomic_flag&) = delete; - atomic_flag& operator=(const atomic_flag&) volatile = delete; + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR atomic_flag(bool __b) _NOEXCEPT : __a_(__b) {} // EXTENSION + atomic_flag(const atomic_flag&) = delete; + atomic_flag& operator=(const atomic_flag&) = delete; + atomic_flag& operator=(const atomic_flag&) volatile = delete; }; -inline _LIBCPP_HIDE_FROM_ABI -bool -atomic_flag_test(const volatile atomic_flag* __o) _NOEXCEPT -{ - return __o->test(); -} +inline _LIBCPP_HIDE_FROM_ABI bool atomic_flag_test(const volatile atomic_flag* __o) _NOEXCEPT { return __o->test(); } -inline _LIBCPP_HIDE_FROM_ABI -bool -atomic_flag_test(const atomic_flag* __o) _NOEXCEPT -{ - return __o->test(); -} +inline _LIBCPP_HIDE_FROM_ABI bool atomic_flag_test(const atomic_flag* __o) _NOEXCEPT { return __o->test(); } -inline _LIBCPP_HIDE_FROM_ABI -bool -atomic_flag_test_explicit(const volatile atomic_flag* __o, memory_order __m) _NOEXCEPT -{ - return __o->test(__m); +inline _LIBCPP_HIDE_FROM_ABI bool +atomic_flag_test_explicit(const volatile atomic_flag* __o, memory_order __m) _NOEXCEPT { + return __o->test(__m); } -inline _LIBCPP_HIDE_FROM_ABI -bool -atomic_flag_test_explicit(const atomic_flag* __o, memory_order __m) _NOEXCEPT -{ - return __o->test(__m); +inline _LIBCPP_HIDE_FROM_ABI bool atomic_flag_test_explicit(const atomic_flag* __o, memory_order __m) _NOEXCEPT { + return __o->test(__m); } -inline _LIBCPP_HIDE_FROM_ABI -bool -atomic_flag_test_and_set(volatile atomic_flag* __o) _NOEXCEPT -{ - return __o->test_and_set(); +inline _LIBCPP_HIDE_FROM_ABI bool atomic_flag_test_and_set(volatile atomic_flag* __o) _NOEXCEPT { + return __o->test_and_set(); } -inline _LIBCPP_HIDE_FROM_ABI -bool -atomic_flag_test_and_set(atomic_flag* __o) _NOEXCEPT -{ - return __o->test_and_set(); -} +inline _LIBCPP_HIDE_FROM_ABI bool atomic_flag_test_and_set(atomic_flag* __o) _NOEXCEPT { return __o->test_and_set(); } -inline _LIBCPP_HIDE_FROM_ABI -bool -atomic_flag_test_and_set_explicit(volatile atomic_flag* __o, memory_order __m) _NOEXCEPT -{ - return __o->test_and_set(__m); +inline _LIBCPP_HIDE_FROM_ABI bool +atomic_flag_test_and_set_explicit(volatile atomic_flag* __o, memory_order __m) _NOEXCEPT { + return __o->test_and_set(__m); } -inline _LIBCPP_HIDE_FROM_ABI -bool -atomic_flag_test_and_set_explicit(atomic_flag* __o, memory_order __m) _NOEXCEPT -{ - return __o->test_and_set(__m); +inline _LIBCPP_HIDE_FROM_ABI bool atomic_flag_test_and_set_explicit(atomic_flag* __o, memory_order __m) _NOEXCEPT { + return __o->test_and_set(__m); } -inline _LIBCPP_HIDE_FROM_ABI -void -atomic_flag_clear(volatile atomic_flag* __o) _NOEXCEPT -{ - __o->clear(); -} +inline _LIBCPP_HIDE_FROM_ABI void atomic_flag_clear(volatile atomic_flag* __o) _NOEXCEPT { __o->clear(); } -inline _LIBCPP_HIDE_FROM_ABI -void -atomic_flag_clear(atomic_flag* __o) _NOEXCEPT -{ - __o->clear(); -} +inline _LIBCPP_HIDE_FROM_ABI void atomic_flag_clear(atomic_flag* __o) _NOEXCEPT { __o->clear(); } -inline _LIBCPP_HIDE_FROM_ABI -void -atomic_flag_clear_explicit(volatile atomic_flag* __o, memory_order __m) _NOEXCEPT -{ - __o->clear(__m); +inline _LIBCPP_HIDE_FROM_ABI void atomic_flag_clear_explicit(volatile atomic_flag* __o, memory_order __m) _NOEXCEPT { + __o->clear(__m); } -inline _LIBCPP_HIDE_FROM_ABI -void -atomic_flag_clear_explicit(atomic_flag* __o, memory_order __m) _NOEXCEPT -{ - __o->clear(__m); +inline _LIBCPP_HIDE_FROM_ABI void atomic_flag_clear_explicit(atomic_flag* __o, memory_order __m) _NOEXCEPT { + __o->clear(__m); } -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC -void -atomic_flag_wait(const volatile atomic_flag* __o, bool __v) _NOEXCEPT -{ - __o->wait(__v); +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC void +atomic_flag_wait(const volatile atomic_flag* __o, bool __v) _NOEXCEPT { + __o->wait(__v); } -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC -void -atomic_flag_wait(const atomic_flag* __o, bool __v) _NOEXCEPT -{ - __o->wait(__v); +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC void +atomic_flag_wait(const atomic_flag* __o, bool __v) _NOEXCEPT { + __o->wait(__v); } -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC -void -atomic_flag_wait_explicit(const volatile atomic_flag* __o, - bool __v, memory_order __m) _NOEXCEPT -{ - __o->wait(__v, __m); +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC void +atomic_flag_wait_explicit(const volatile atomic_flag* __o, bool __v, memory_order __m) _NOEXCEPT { + __o->wait(__v, __m); } -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC -void -atomic_flag_wait_explicit(const atomic_flag* __o, - bool __v, memory_order __m) _NOEXCEPT -{ - __o->wait(__v, __m); +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC void +atomic_flag_wait_explicit(const atomic_flag* __o, bool __v, memory_order __m) _NOEXCEPT { + __o->wait(__v, __m); } -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC -void -atomic_flag_notify_one(volatile atomic_flag* __o) _NOEXCEPT -{ - __o->notify_one(); +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC void +atomic_flag_notify_one(volatile atomic_flag* __o) _NOEXCEPT { + __o->notify_one(); } -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC -void -atomic_flag_notify_one(atomic_flag* __o) _NOEXCEPT -{ - __o->notify_one(); +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC void atomic_flag_notify_one(atomic_flag* __o) _NOEXCEPT { + __o->notify_one(); } -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC -void -atomic_flag_notify_all(volatile atomic_flag* __o) _NOEXCEPT -{ - __o->notify_all(); +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC void +atomic_flag_notify_all(volatile atomic_flag* __o) _NOEXCEPT { + __o->notify_all(); } -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC -void -atomic_flag_notify_all(atomic_flag* __o) _NOEXCEPT -{ - __o->notify_all(); +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_SYNC void atomic_flag_notify_all(atomic_flag* __o) _NOEXCEPT { + __o->notify_all(); } _LIBCPP_END_NAMESPACE_STD |