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
 23using __libcpp_timespec_t = ::timespec;
 24
 25//
 26// Mutex
 27//
 28typedef void* __libcpp_mutex_t;
 29#define _LIBCPP_MUTEX_INITIALIZER 0
 30
 31#if defined(_WIN64)
 32typedef void* __libcpp_recursive_mutex_t[5];
 33#else
 34typedef void* __libcpp_recursive_mutex_t[6];
 35#endif
 36
 37_LIBCPP_EXPORTED_FROM_ABI int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t* __m);
 38
 39_LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int
 40__libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t* __m);
 41
 42_LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS bool
 43__libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t* __m);
 44
 45_LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int
 46__libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t* __m);
 47
 48_LIBCPP_EXPORTED_FROM_ABI int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t* __m);
 49
 50_LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int __libcpp_mutex_lock(__libcpp_mutex_t* __m);
 51
 52_LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS bool __libcpp_mutex_trylock(__libcpp_mutex_t* __m);
 53
 54_LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int __libcpp_mutex_unlock(__libcpp_mutex_t* __m);
 55
 56_LIBCPP_EXPORTED_FROM_ABI int __libcpp_mutex_destroy(__libcpp_mutex_t* __m);
 57
 58//
 59// Condition variable
 60//
 61typedef void* __libcpp_condvar_t;
 62#define _LIBCPP_CONDVAR_INITIALIZER 0
 63
 64_LIBCPP_EXPORTED_FROM_ABI int __libcpp_condvar_signal(__libcpp_condvar_t* __cv);
 65
 66_LIBCPP_EXPORTED_FROM_ABI int __libcpp_condvar_broadcast(__libcpp_condvar_t* __cv);
 67
 68_LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int
 69__libcpp_condvar_wait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m);
 70
 71_LIBCPP_EXPORTED_FROM_ABI _LIBCPP_NO_THREAD_SAFETY_ANALYSIS int
 72__libcpp_condvar_timedwait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m, __libcpp_timespec_t* __ts);
 73
 74_LIBCPP_EXPORTED_FROM_ABI int __libcpp_condvar_destroy(__libcpp_condvar_t* __cv);
 75
 76//
 77// Execute once
 78//
 79typedef void* __libcpp_exec_once_flag;
 80#define _LIBCPP_EXEC_ONCE_INITIALIZER 0
 81
 82_LIBCPP_EXPORTED_FROM_ABI int __libcpp_execute_once(__libcpp_exec_once_flag* __flag, void (*__init_routine)());
 83
 84//
 85// Thread id
 86//
 87typedef long __libcpp_thread_id;
 88
 89_LIBCPP_EXPORTED_FROM_ABI bool __libcpp_thread_id_equal(__libcpp_thread_id __t1, __libcpp_thread_id __t2);
 90
 91_LIBCPP_EXPORTED_FROM_ABI bool __libcpp_thread_id_less(__libcpp_thread_id __t1, __libcpp_thread_id __t2);
 92
 93//
 94// Thread
 95//
 96#define _LIBCPP_NULL_THREAD 0U
 97typedef void* __libcpp_thread_t;
 98
 99_LIBCPP_EXPORTED_FROM_ABI bool __libcpp_thread_isnull(const __libcpp_thread_t* __t);
100
101_LIBCPP_EXPORTED_FROM_ABI int __libcpp_thread_create(__libcpp_thread_t* __t, void* (*__func)(void*), void* __arg);
102
103_LIBCPP_EXPORTED_FROM_ABI __libcpp_thread_id __libcpp_thread_get_current_id();
104
105_LIBCPP_EXPORTED_FROM_ABI __libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t* __t);
106
107_LIBCPP_EXPORTED_FROM_ABI int __libcpp_thread_join(__libcpp_thread_t* __t);
108
109_LIBCPP_EXPORTED_FROM_ABI int __libcpp_thread_detach(__libcpp_thread_t* __t);
110
111_LIBCPP_EXPORTED_FROM_ABI void __libcpp_thread_yield();
112
113_LIBCPP_EXPORTED_FROM_ABI void __libcpp_thread_sleep_for(const chrono::nanoseconds& __ns);
114
115//
116// Thread local storage
117//
118typedef long __libcpp_tls_key;
119
120#define _LIBCPP_TLS_DESTRUCTOR_CC __stdcall
121
122_LIBCPP_EXPORTED_FROM_ABI int
123__libcpp_tls_create(__libcpp_tls_key* __key, void(_LIBCPP_TLS_DESTRUCTOR_CC* __at_exit)(void*));
124
125_LIBCPP_EXPORTED_FROM_ABI void* __libcpp_tls_get(__libcpp_tls_key __key);
126
127_LIBCPP_EXPORTED_FROM_ABI int __libcpp_tls_set(__libcpp_tls_key __key, void* __p);
128
129_LIBCPP_END_NAMESPACE_STD
130
131#endif // _LIBCPP___THREAD_SUPPORT_WINDOWS_H