1 // The MIT License (MIT)
2 //
3 // 	Copyright (c) 2015 Sergey Makeev, Vadim Slyusarev
4 //
5 // 	Permission is hereby granted, free of charge, to any person obtaining a copy
6 // 	of this software and associated documentation files (the "Software"), to deal
7 // 	in the Software without restriction, including without limitation the rights
8 // 	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // 	copies of the Software, and to permit persons to whom the Software is
10 // 	furnished to do so, subject to the following conditions:
11 //
12 //  The above copyright notice and this permission notice shall be included in
13 // 	all copies or substantial portions of the Software.
14 //
15 // 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // 	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // 	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 // 	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // 	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // 	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 // 	THE SOFTWARE.
22 #pragma once
23 
24 #include <MTConfig.h>
25 #include <MTTypes.h>
26 
27 //
28 // micro windows header is used to avoid including heavy windows header to MTPlatform.h
29 //
30 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
31 
32 
33 #define MW_WINBASEAPI __declspec(dllimport)
34 #define MW_WINAPI __stdcall
35 
36 
37 #if defined(_WINDOWS_) || defined(_WINBASE_)
38 
39 //
40 // if windows.h is already included simply create aliases to the MW_ types
41 //
42 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
43 typedef LARGE_INTEGER MW_LARGE_INTEGER;
44 typedef BOOL MW_BOOL;
45 typedef HANDLE MW_HANDLE;
46 
47 typedef DWORD MW_DWORD;
48 typedef WORD MW_WORD;
49 typedef DWORD64 MW_DWORD64;
50 typedef ULONG_PTR MW_ULONG_PTR;
51 
52 typedef LPTHREAD_START_ROUTINE TThreadStartFunc;
53 
54 typedef SYSTEM_INFO MW_SYSTEM_INFO;
55 
56 typedef CRITICAL_SECTION MW_CRITICAL_SECTION;
57 
58 typedef CONTEXT MW_CONTEXT;
59 
60 #define MW_INFINITE (INFINITE)
61 #define MW_WAIT_OBJECT_0 (WAIT_OBJECT_0)
62 #define MW_MEM_COMMIT (MEM_COMMIT)
63 #define MW_PAGE_READWRITE (PAGE_READWRITE)
64 #define MW_PAGE_NOACCESS (PAGE_NOACCESS)
65 #define MW_MEM_RELEASE (MEM_RELEASE)
66 
67 
68 #define MW_STACK_BASE_OFFSET (FIELD_OFFSET(NT_TIB, StackBase))
69 #define MW_STACK_STACK_LIMIT_OFFSET (FIELD_OFFSET(NT_TIB, StackLimit))
70 #define MW_CONTEXT_FULL (CONTEXT_FULL)
71 
72 
73 #define MW_FIBER_FLAG_FLOAT_SWITCH (FIBER_FLAG_FLOAT_SWITCH)
74 
75 #define MW_THREAD_PRIORITY_HIGHEST (THREAD_PRIORITY_HIGHEST)
76 #define MW_THREAD_PRIORITY_NORMAL (THREAD_PRIORITY_NORMAL)
77 #define MW_THREAD_PRIORITY_LOWEST (THREAD_PRIORITY_LOWEST)
78 
79 #define MW_CREATE_SUSPENDED (CREATE_SUSPENDED)
80 
81 #define MW_MAXIMUM_PROCESSORS (MAXIMUM_PROCESSORS)
82 
83 #else
84 
85 // windows.h is not included, so declare types
86 
87 //
88 // define types
89 //
90 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
91 
92 struct MW_LARGE_INTEGER
93 {
94 	int64 QuadPart;
95 };
96 
97 typedef int MW_BOOL;
98 typedef void* MW_HANDLE;
99 
100 typedef unsigned long MW_DWORD;
101 typedef unsigned short MW_WORD;
102 typedef unsigned __int64 MW_DWORD64;
103 
104 #if MT_PTR64
105 typedef unsigned __int64 MW_ULONG_PTR;
106 #else
107 typedef unsigned __int32 MW_ULONG_PTR;
108 #endif
109 
110 //
111 // define thread function
112 //
113 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
114 typedef MW_DWORD ( MW_WINAPI *TThreadStartFunc )(void* lpThreadParameter);
115 
116 //
117 // define fiber function
118 //
119 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
120 typedef void ( MW_WINAPI *TFiberStartFunc)(void* lpFiberParameter);
121 
122 
123 
124 
125 //
126 // system info structure, only used members are declared
127 //
128 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
129 struct MW_SYSTEM_INFO
130 {
131 	uint8 _unused_01[4];
132 	MW_DWORD dwPageSize;
133 	void* _unused_02[3];
134 	MW_DWORD dwNumberOfProcessors;
135 	uint8 _unused_03[12];
136 };
137 
138 #if MT_PTR64
139 
140 //
141 // x64 critical section, only used members are declared
142 //
143 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
144 struct MW_CRITICAL_SECTION
145 {
146 	uint8 _unused[40];
147 };
148 
149 //
150 // x64 machine context, only used members are declared
151 //
152 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
153 struct __declspec(align(16)) MW_CONTEXT
154 {
155 	uint8 _unused_01[48];
156 	MW_DWORD ContextFlags;
157 	uint8 _unused_02[100];
158 	MW_DWORD64 Rsp;
159 	uint8 _unused_03[88];
160 	MW_DWORD64 Rip;
161 	uint8 _unused_04[976];
162 };
163 
164 static_assert(__alignof(MW_CONTEXT) == 16, "MW_CONTEXT align requirements must be 16 bytes");
165 
166 #define MW_STACK_BASE_OFFSET (8)
167 #define MW_STACK_STACK_LIMIT_OFFSET (16)
168 #define MW_CONTEXT_FULL (0x10000B)
169 
170 #else
171 
172 //
173 // x86 critical section, only used members are declared
174 //
175 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
176 struct MW_CRITICAL_SECTION
177 {
178 	uint8 _unused[24];
179 };
180 
181 //
182 // x86 machine context, only used members are declared
183 //
184 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
185 struct MW_CONTEXT
186 {
187 	MW_DWORD ContextFlags;
188 	uint8 _unused_01[180];
189 	MW_DWORD   Eip;
190 	uint8 _unused_02[8];
191 	MW_DWORD   Esp;
192 	uint8 _unused_03[516];
193 };
194 
195 
196 #define MW_STACK_BASE_OFFSET (4)
197 #define MW_STACK_STACK_LIMIT_OFFSET (8)
198 #define MW_CONTEXT_FULL (0x10007)
199 
200 
201 #endif
202 
203 
204 //
205 // defines and flags
206 //
207 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
208 #define MW_INFINITE (0xFFFFFFFF)
209 #define MW_WAIT_OBJECT_0 (0)
210 #define MW_MEM_COMMIT (0x1000)
211 #define MW_PAGE_READWRITE (0x04)
212 #define MW_PAGE_NOACCESS (0x01)
213 #define MW_MEM_RELEASE (0x8000)
214 #define MW_FIBER_FLAG_FLOAT_SWITCH (0x1)
215 
216 #define MW_THREAD_PRIORITY_HIGHEST (2)
217 #define MW_THREAD_PRIORITY_NORMAL (0)
218 #define MW_THREAD_PRIORITY_LOWEST (-2)
219 
220 #define MW_CREATE_SUSPENDED (0x00000004)
221 
222 #if MT_PTR64
223 #define MW_MAXIMUM_PROCESSORS (64)
224 #else
225 #define MW_MAXIMUM_PROCESSORS (32)
226 #endif
227 
228 #endif
229 
230 
231 
232 #if !defined(MW_SKIP_FUNCTIONS) && !defined(_WINDOWS_)
233 
234 //
235 // functions
236 //
237 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
238 
239 
240 extern "C" {
241 
242 MW_WINBASEAPI MW_BOOL MW_WINAPI QueryPerformanceFrequency(MW_LARGE_INTEGER* lpFrequency);
243 MW_WINBASEAPI MW_BOOL MW_WINAPI QueryPerformanceCounter(MW_LARGE_INTEGER* lpPerformanceCount);
244 
245 MW_WINBASEAPI MW_ULONG_PTR MW_WINAPI SetThreadAffinityMask(MW_HANDLE hThread, MW_ULONG_PTR dwThreadAffinityMask );
246 MW_WINBASEAPI MW_DWORD MW_WINAPI SetThreadIdealProcessor(MW_HANDLE hThread, MW_DWORD dwIdealProcessor );
247 MW_WINBASEAPI MW_BOOL MW_WINAPI SetThreadPriority(MW_HANDLE hThread, int nPriority );
248 MW_WINBASEAPI MW_HANDLE MW_WINAPI CreateThread(void* lpThreadAttributes, size_t dwStackSize, TThreadStartFunc lpStartAddress, void* lpParameter, MW_DWORD dwCreationFlags, MW_DWORD* lpThreadId);
249 MW_WINBASEAPI MW_BOOL MW_WINAPI CloseHandle(MW_HANDLE hObject);
250 MW_WINBASEAPI MW_HANDLE MW_WINAPI GetCurrentThread();
251 MW_WINBASEAPI MW_DWORD MW_WINAPI GetCurrentThreadId();
252 MW_WINBASEAPI MW_DWORD MW_WINAPI ResumeThread(MW_HANDLE hThread);
253 
254 
255 MW_WINBASEAPI void MW_WINAPI GetSystemInfo(MW_SYSTEM_INFO* lpSystemInfo);
256 
257 MW_WINBASEAPI void MW_WINAPI Sleep(MW_DWORD dwMilliseconds);
258 MW_WINBASEAPI MW_DWORD MW_WINAPI WaitForSingleObject(MW_HANDLE hHandle, MW_DWORD dwMilliseconds);
259 
260 MW_WINBASEAPI bool MW_WINAPI InitializeCriticalSectionAndSpinCount(MW_CRITICAL_SECTION* lpCriticalSection, MW_DWORD dwSpinCount );
261 MW_WINBASEAPI void MW_WINAPI DeleteCriticalSection(MW_CRITICAL_SECTION* lpCriticalSection );
262 MW_WINBASEAPI void MW_WINAPI EnterCriticalSection(MW_CRITICAL_SECTION* lpCriticalSection );
263 MW_WINBASEAPI void MW_WINAPI LeaveCriticalSection(MW_CRITICAL_SECTION* lpCriticalSection );
264 
265 MW_WINBASEAPI MW_HANDLE MW_WINAPI CreateEventA(MW_CRITICAL_SECTION* lpEventAttributes, MW_BOOL bManualReset, MW_BOOL bInitialState, const char* lpName );
266 MW_WINBASEAPI MW_HANDLE MW_WINAPI CreateEventW(MW_CRITICAL_SECTION* lpEventAttributes, MW_BOOL bManualReset, MW_BOOL bInitialState, const wchar_t* lpName );
267 MW_WINBASEAPI MW_BOOL MW_WINAPI SetEvent( MW_HANDLE hEvent );
268 MW_WINBASEAPI MW_BOOL MW_WINAPI ResetEvent( MW_HANDLE hEvent );
269 
270 MW_WINBASEAPI MW_BOOL MW_WINAPI GetThreadContext( MW_HANDLE hThread, MW_CONTEXT* lpContext );
271 MW_WINBASEAPI MW_BOOL MW_WINAPI SetThreadContext( MW_HANDLE hThread, const MW_CONTEXT* lpContext );
272 
273 MW_WINBASEAPI void* MW_WINAPI VirtualAlloc( void* lpAddress, size_t dwSize, MW_DWORD flAllocationType, MW_DWORD flProtect );
274 MW_WINBASEAPI MW_BOOL MW_WINAPI VirtualProtect( void* lpAddress, size_t dwSize, MW_DWORD flNewProtect, MW_DWORD* lpflOldProtect );
275 MW_WINBASEAPI MW_BOOL MW_WINAPI VirtualFree( void* lpAddress, size_t dwSize, MW_DWORD dwFreeType );
276 
277 
278 MW_WINBASEAPI void MW_WINAPI DeleteFiber( void* lpFiber );
279 MW_WINBASEAPI void* MW_WINAPI ConvertThreadToFiberEx( void* lpParameter, MW_DWORD dwFlags );
280 MW_WINBASEAPI void* MW_WINAPI CreateFiber( size_t dwStackSize, TFiberStartFunc lpStartAddress, void* lpParameter );
281 MW_WINBASEAPI void MW_WINAPI SwitchToFiber( void* lpFiber );
282 
283 MW_WINBASEAPI void MW_WINAPI RaiseException(MW_DWORD dwExceptionCode, MW_DWORD dwExceptionFlags, MW_DWORD nNumberOfArguments, const MW_ULONG_PTR* lpArguments );
284 
285 
286 }
287 
288 #endif
289