__thread/support/windows.h

0001 // -*- C++ -*-
0002 //===----------------------------------------------------------------------===//
0003 //
0004 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0005 // See https://llvm.org/LICENSE.txt for license information.
0006 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0007 //
0008 //===----------------------------------------------------------------------===//
0009
0010 #ifndef _LIBCPP___THREAD_SUPPORT_WINDOWS_H
0011 #define _LIBCPP___THREAD_SUPPORT_WINDOWS_H
0012
0013 #include <__chrono/duration.h>
0014 #include <__config>
0015 #include <ctime>
0016
0017 #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
0018 #  pragma GCC system_header
0019 #endif
0020
0021 _LIBCPP_BEGIN_NAMESPACE_STD
0022
0023 using __libcpp_timespec_t = ::timespec;
0024
0025 //
0026 // Mutex
0027 //
0028 typedef void* __libcpp_mutex_t;
0029 #define _LIBCPP_MUTEX_INITIALIZER 0
0030
0031 #if defined(_M_IX86) || defined(__i386__) || defined(_M_ARM) || defined(__arm__)
0032 typedef void* __libcpp_recursive_mutex_t[6];
0033 #elif defined(_M_AMD64) || defined(__x86_64__) || defined(_M_ARM64) || defined(__aarch64__)
0034 typedef void* __libcpp_recursive_mutex_t[5];
0035 #else
0036 #  error Unsupported architecture
0037 #endif
0038
0039 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t* __m);
0040
0041 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int
0042 __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t* __m);
0043
0044 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS bool
0045 __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t* __m);
0046
0047 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int
0048 __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t* __m);
0049
0050 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t* __m);
0051
0052 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int __libcpp_mutex_lock(__libcpp_mutex_t* __m);
0053
0054 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS bool __libcpp_mutex_trylock(__libcpp_mutex_t* __m);
0055
0056 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int __libcpp_mutex_unlock(__libcpp_mutex_t* __m);
0057
0058 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_mutex_destroy(__libcpp_mutex_t* __m);
0059
0060 //
0061 // Condition variable
0062 //
0063 typedef void* __libcpp_condvar_t;
0064 #define _LIBCPP_CONDVAR_INITIALIZER 0
0065
0066 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_condvar_signal(__libcpp_condvar_t* __cv);
0067
0068 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_condvar_broadcast(__libcpp_condvar_t* __cv);
0069
0070 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int
0071 __libcpp_condvar_wait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m);
0072
0073 _LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int
0074 __libcpp_condvar_timedwait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m, __libcpp_timespec_t* __ts);
0075
0076 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_condvar_destroy(__libcpp_condvar_t* __cv);
0077
0078 //
0079 // Execute once
0080 //
0081 typedef void* __libcpp_exec_once_flag;
0082 #define _LIBCPP_EXEC_ONCE_INITIALIZER 0
0083
0084 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_execute_once(__libcpp_exec_once_flag* __flag, void (*__init_routine)());
0085
0086 //
0087 // Thread id
0088 //
0089 typedef long __libcpp_thread_id;
0090
0091 _LIBCPP_EXPORTED_FROM_ABI bool __libcpp_thread_id_equal(__libcpp_thread_id __t1, __libcpp_thread_id __t2);
0092
0093 _LIBCPP_EXPORTED_FROM_ABI bool __libcpp_thread_id_less(__libcpp_thread_id __t1, __libcpp_thread_id __t2);
0094
0095 //
0096 // Thread
0097 //
0098 #define _LIBCPP_NULL_THREAD 0U
0099 typedef void* __libcpp_thread_t;
0100
0101 _LIBCPP_EXPORTED_FROM_ABI bool __libcpp_thread_isnull(const __libcpp_thread_t* __t);
0102
0103 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_thread_create(__libcpp_thread_t* __t, void* (*__func)(void*), void* __arg);
0104
0105 _LIBCPP_EXPORTED_FROM_ABI __libcpp_thread_id __libcpp_thread_get_current_id();
0106
0107 _LIBCPP_EXPORTED_FROM_ABI __libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t* __t);
0108
0109 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_thread_join(__libcpp_thread_t* __t);
0110
0111 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_thread_detach(__libcpp_thread_t* __t);
0112
0113 _LIBCPP_EXPORTED_FROM_ABI void __libcpp_thread_yield();
0114
0115 _LIBCPP_EXPORTED_FROM_ABI void __libcpp_thread_sleep_for(const chrono::nanoseconds& __ns);
0116
0117 //
0118 // Thread local storage
0119 //
0120 typedef long __libcpp_tls_key;
0121
0122 #define _LIBCPP_TLS_DESTRUCTOR_CC __stdcall
0123
0124 _LIBCPP_EXPORTED_FROM_ABI int
0125 __libcpp_tls_create(__libcpp_tls_key* __key, void(_LIBCPP_TLS_DESTRUCTOR_CC* __at_exit)(void*));
0126
0127 _LIBCPP_EXPORTED_FROM_ABI void* __libcpp_tls_get(__libcpp_tls_key __key);
0128
0129 _LIBCPP_EXPORTED_FROM_ABI int __libcpp_tls_set(__libcpp_tls_key __key, void* __p);
0130
0131 _LIBCPP_END_NAMESPACE_STD
0132
0133 #endif // _LIBCPP___THREAD_SUPPORT_WINDOWS_H