1 // -*- C++ -*- 2 //===----------------------------------------------------------------------===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef _LIBCPP___THREAD_SUPPORT_WINDOWS_H 11 #define _LIBCPP___THREAD_SUPPORT_WINDOWS_H 12 13 #include <__chrono/duration.h> 14 #include <__config> 15 #include <ctime> 16 17 #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER 18 # pragma GCC system_header 19 #endif 20 21 _LIBCPP_BEGIN_NAMESPACE_STD 22 23 using __libcpp_timespec_t = ::timespec; 24 25 // 26 // Mutex 27 // 28 typedef void* __libcpp_mutex_t; 29 #define _LIBCPP_MUTEX_INITIALIZER 0 30 31 #if defined(_M_IX86) || defined(__i386__) || defined(_M_ARM) || defined(__arm__) 32 typedef void* __libcpp_recursive_mutex_t[6]; 33 #elif defined(_M_AMD64) || defined(__x86_64__) || defined(_M_ARM64) || defined(__aarch64__) 34 typedef void* __libcpp_recursive_mutex_t[5]; 35 #else 36 # error Unsupported architecture 37 #endif 38 39 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t* __m); 40 41 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int 42 __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t* __m); 43 44 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS bool 45 __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t* __m); 46 47 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int 48 __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t* __m); 49 50 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t* __m); 51 52 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int __libcpp_mutex_lock(__libcpp_mutex_t* __m); 53 54 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS bool __libcpp_mutex_trylock(__libcpp_mutex_t* __m); 55 56 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int __libcpp_mutex_unlock(__libcpp_mutex_t* __m); 57 58 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_mutex_destroy(__libcpp_mutex_t* __m); 59 60 // 61 // Condition variable 62 // 63 typedef void* __libcpp_condvar_t; 64 #define _LIBCPP_CONDVAR_INITIALIZER 0 65 66 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_condvar_signal(__libcpp_condvar_t* __cv); 67 68 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_condvar_broadcast(__libcpp_condvar_t* __cv); 69 70 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int 71 __libcpp_condvar_wait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m); 72 73 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int 74 __libcpp_condvar_timedwait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m, __libcpp_timespec_t* __ts); 75 76 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_condvar_destroy(__libcpp_condvar_t* __cv); 77 78 // 79 // Execute once 80 // 81 typedef void* __libcpp_exec_once_flag; 82 #define _LIBCPP_EXEC_ONCE_INITIALIZER 0 83 84 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_execute_once(__libcpp_exec_once_flag* __flag, void (*__init_routine)()); 85 86 // 87 // Thread id 88 // 89 typedef long __libcpp_thread_id; 90 91 _LIBCPP_EXPORTED_FROM_ABI bool __libcpp_thread_id_equal(__libcpp_thread_id __t1, __libcpp_thread_id __t2); 92 93 _LIBCPP_EXPORTED_FROM_ABI bool __libcpp_thread_id_less(__libcpp_thread_id __t1, __libcpp_thread_id __t2); 94 95 // 96 // Thread 97 // 98 #define _LIBCPP_NULL_THREAD 0U 99 typedef void* __libcpp_thread_t; 100 101 _LIBCPP_EXPORTED_FROM_ABI bool __libcpp_thread_isnull(const __libcpp_thread_t* __t); 102 103 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_thread_create(__libcpp_thread_t* __t, void* (*__func)(void*), void* __arg); 104 105 _LIBCPP_EXPORTED_FROM_ABI __libcpp_thread_id __libcpp_thread_get_current_id(); 106 107 _LIBCPP_EXPORTED_FROM_ABI __libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t* __t); 108 109 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_thread_join(__libcpp_thread_t* __t); 110 111 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_thread_detach(__libcpp_thread_t* __t); 112 113 _LIBCPP_EXPORTED_FROM_ABI void __libcpp_thread_yield(); 114 115 _LIBCPP_EXPORTED_FROM_ABI void __libcpp_thread_sleep_for(const chrono::nanoseconds& __ns); 116 117 // 118 // Thread local storage 119 // 120 typedef long __libcpp_tls_key; 121 122 #define _LIBCPP_TLS_DESTRUCTOR_CC __stdcall 123 124 _LIBCPP_EXPORTED_FROM_ABI int 125 __libcpp_tls_create(__libcpp_tls_key* __key, void(_LIBCPP_TLS_DESTRUCTOR_CC* __at_exit)(void*)); 126 127 _LIBCPP_EXPORTED_FROM_ABI void* __libcpp_tls_get(__libcpp_tls_key __key); 128 129 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_tls_set(__libcpp_tls_key __key, void* __p); 130 131 _LIBCPP_END_NAMESPACE_STD 132 133 #endif // _LIBCPP___THREAD_SUPPORT_WINDOWS_H 134