Index: include/__config =================================================================== --- include/__config +++ include/__config @@ -905,6 +905,8 @@ # ifndef _LIBCPP_HAS_THREAD_API_PTHREAD # define _LIBCPP_HAS_THREAD_API_PTHREAD # endif +# elif defined(_LIBCPP_WIN32API) +# define _LIBCPP_HAS_THREAD_API_WIN32 # else # error "No thread API" # endif // _LIBCPP_HAS_THREAD_API Index: include/__threading_support =================================================================== --- include/__threading_support +++ include/__threading_support @@ -24,6 +24,13 @@ #if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) # include # include +#elif defined(_LIBCPP_HAS_THREAD_API_WIN32) +#include +#include +#include +#include + +#include #endif #if defined(_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL) || \ @@ -58,6 +65,33 @@ // Thrad Local Storage typedef pthread_key_t __libcpp_tls_key; + +#define _LIBCPP_TLS_DESTRUCTOR_CC +#else +// Mutex +typedef SRWLOCK __libcpp_mutex_t; +#define _LIBCPP_MUTEX_INITIALIZER SRWLOCK_INIT + +typedef CRITICAL_SECTION __libcpp_recursive_mutex_t; + +// Condition Variable +typedef CONDITION_VARIABLE __libcpp_condvar_t; +#define _LIBCPP_CONDVAR_INITIALIZER CONDITION_VARIABLE_INIT + +// Execute Once +typedef INIT_ONCE __libcpp_exec_once_flag; +#define _LIBCPP_EXEC_ONCE_INITIALIZER INIT_ONCE_STATIC_INIT + +// Thread ID +typedef DWORD __libcpp_thread_id; + +// Thread +typedef HANDLE __libcpp_thread_t; + +// Thread Local Storage +typedef DWORD __libcpp_tls_key; + +#define _LIBCPP_TLS_DESTRUCTOR_CC WINAPI #endif // Mutex @@ -144,7 +178,8 @@ // Thread local storage _LIBCPP_THREAD_ABI_VISIBILITY -int __libcpp_tls_create(__libcpp_tls_key *__key, void (*__at_exit)(void *)); +int __libcpp_tls_create(__libcpp_tls_key* __key, + void(_LIBCPP_TLS_DESTRUCTOR_CC* __at_exit)(void*)); _LIBCPP_THREAD_ABI_VISIBILITY void *__libcpp_tls_get(__libcpp_tls_key __key); @@ -321,6 +356,224 @@ return pthread_setspecific(__key, __p); } +#elif defined(_LIBCPP_HAS_THREAD_API_WIN32) + +// Mutex +int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m) +{ + InitializeCriticalSection(__m); + return 0; +} + +int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m) +{ + EnterCriticalSection(__m); + return 0; +} + +int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m) +{ + TryEnterCriticalSection(__m); + return 0; +} + +int __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t *__m) +{ + LeaveCriticalSection(__m); + return 0; +} + +int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t *__m) +{ + static_cast(__m); + return 0; +} + +int __libcpp_mutex_lock(__libcpp_mutex_t *__m) +{ + AcquireSRWLockExclusive(__m); + return 0; +} + +int __libcpp_mutex_trylock(__libcpp_mutex_t *__m) +{ + TryAcquireSRWLockExclusive(__m); + return 0; +} + +int __libcpp_mutex_unlock(__libcpp_mutex_t *__m) +{ + ReleaseSRWLockExclusive(__m); + return 0; +} + +int __libcpp_mutex_destroy(__libcpp_mutex_t *__m) +{ + static_cast(__m); + return 0; +} + +// Condition Variable +int __libcpp_condvar_signal(__libcpp_condvar_t *__cv) +{ + WakeConditionVariable(__cv); + return 0; +} + +int __libcpp_condvar_broadcast(__libcpp_condvar_t *__cv) +{ + WakeAllConditionVariable(__cv); + return 0; +} + +int __libcpp_condvar_wait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m) +{ + SleepConditionVariableSRW(__cv, __m, INFINITE, 0); + return 0; +} + +int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m, + timespec *__ts) +{ + using namespace _VSTD::chrono; + + auto duration = seconds(__ts->tv_sec) + nanoseconds(__ts->tv_nsec); + auto abstime = + system_clock::time_point(duration_cast(duration)); + auto timeout_ms = duration_cast(abstime - system_clock::now()); + + if (!SleepConditionVariableSRW(__cv, __m, + timeout_ms.count() > 0 ? timeout_ms.count() + : 0, + 0)) + return GetLastError(); + return 0; +} + +int __libcpp_condvar_destroy(__libcpp_condvar_t *__cv) +{ + static_cast(__cv); + return 0; +} + +// Execute Once +static inline _LIBCPP_ALWAYS_INLINE BOOL CALLBACK +__libcpp_init_once_execute_once_thunk(PINIT_ONCE __init_once, PVOID __parameter, + PVOID *__context) +{ + static_cast(__init_once); + static_cast(__context); + + void (*init_routine)(void) = reinterpret_cast(__parameter); + init_routine(); + return TRUE; +} + +int __libcpp_execute_once(__libcpp_exec_once_flag *__flag, + void (*__init_routine)(void)) +{ + if (!InitOnceExecuteOnce(__flag, __libcpp_init_once_execute_once_thunk, + reinterpret_cast(__init_routine), NULL)) + return GetLastError(); + return 0; +} + +// Thread ID +bool __libcpp_thread_id_equal(__libcpp_thread_id __lhs, + __libcpp_thread_id __rhs) +{ + return __lhs == __rhs; +} + +bool __libcpp_thread_id_less(__libcpp_thread_id __lhs, __libcpp_thread_id __rhs) +{ + return __lhs < __rhs; +} + +// Thread +struct __libcpp_beginthreadex_thunk_data +{ + void *(*__func)(void *); + void *__arg; +}; + +static inline _LIBCPP_ALWAYS_INLINE unsigned int WINAPI +__libcpp_beginthreadex_thunk(void *__data) +{ + __libcpp_beginthreadex_thunk_data data = + *reinterpret_cast<__libcpp_beginthreadex_thunk_data *>(__data); + delete reinterpret_cast<__libcpp_beginthreadex_thunk_data *>(__data); + return reinterpret_cast(data.__func(data.__arg)); +} + +int __libcpp_thread_create(__libcpp_thread_t *__t, void *(*__func)(void *), + void *__arg) +{ + auto *data = new __libcpp_beginthreadex_thunk_data; + data->__func = __func; + data->__arg = __arg; + + *__t = reinterpret_cast(_beginthreadex(NULL, 0, + __libcpp_beginthreadex_thunk, + data, 0, NULL)); + if (*__t) + return 0; + return GetLastError(); +} + +__libcpp_thread_id __libcpp_thread_get_current_id() +{ + return GetCurrentThreadId(); +} + +__libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t *__t) +{ + return GetThreadId(*__t); +} + +int __libcpp_thread_join(__libcpp_thread_t *__t) +{ + if (WaitForSingleObjectEx(*__t, INFINITE, FALSE) == WAIT_FAILED) + return GetLastError(); + if (!CloseHandle(*__t)) + return GetLastError(); + return 0; +} + +int __libcpp_thread_detach(__libcpp_thread_t *__t) +{ + if (!CloseHandle(*__t)) + return GetLastError(); + return 0; +} + +void __libcpp_thread_yield() +{ + SwitchToThread(); +} + +// Thread Local Storage +int __libcpp_tls_create(__libcpp_tls_key* __key, + void(_LIBCPP_TLS_DESTRUCTOR_CC* __at_exit)(void*)) +{ + *__key = FlsAlloc(__at_exit); + if (*__key == FLS_OUT_OF_INDEXES) + return GetLastError(); + return 0; +} + +void *__libcpp_tls_get(__libcpp_tls_key __key) +{ + return FlsGetValue(__key); +} + +int __libcpp_tls_set(__libcpp_tls_key __key, void *__p) +{ + if (!FlsSetValue(__key, __p)) + return GetLastError(); + return 0; +} + #endif // _LIBCPP_HAS_THREAD_API_PTHREAD #endif // !_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL || _LIBCPP_BUILDING_THREAD_LIBRARY_EXTERNAL Index: include/thread =================================================================== --- include/thread +++ include/thread @@ -148,7 +148,8 @@ __thread_specific_ptr(const __thread_specific_ptr&); __thread_specific_ptr& operator=(const __thread_specific_ptr&); - static void __at_thread_exit(void*); + static void _LIBCPP_TLS_DESTRUCTOR_CC __at_thread_exit(void*); + public: typedef _Tp* pointer; @@ -164,7 +165,7 @@ }; template -void +void _LIBCPP_TLS_DESTRUCTOR_CC __thread_specific_ptr<_Tp>::__at_thread_exit(void* __p) { delete static_cast(__p); @@ -173,12 +174,10 @@ template __thread_specific_ptr<_Tp>::__thread_specific_ptr() { - int __ec = __libcpp_tls_create( - &__key_, - &__thread_specific_ptr::__at_thread_exit); - if (__ec) - __throw_system_error(__ec, - "__thread_specific_ptr construction failed"); + int __ec = + __libcpp_tls_create(&__key_, &__thread_specific_ptr::__at_thread_exit); + if (__ec) + __throw_system_error(__ec, "__thread_specific_ptr construction failed"); } template