59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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//
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// Emulates a subset of the Win32 threading API as a layer on top of WinRT threadpools.
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//
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// Supported features:
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//
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// - CreateThread (returns a standard Win32 handle which can be waited on, then closed)
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// - CREATE_SUSPENDED and ResumeThread
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// - Partial support for SetThreadPriority (see below)
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// - Sleep
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// - Thread local storage (TlsAlloc, TlsFree, TlsGetValue, TlsSetValue)
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//
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// Differences from Win32:
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//
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// - If using TLS other than from this CreateThread emulation, call TlsShutdown before thread/task exit
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// - No ExitThread or TerminateThread (just return from the thread function to exit)
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// - No SuspendThread, so ResumeThread is only useful in combination with CREATE_SUSPENDED
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// - SetThreadPriority is only available while a thread is in CREATE_SUSPENDED state
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// - SetThreadPriority only supports three priority levels (negative, zero, or positive)
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// - No thread identifier APIs (GetThreadId, GetCurrentThreadId, OpenThread)
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// - No affinity APIs
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// - No GetExitCodeThread
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// - Failure cases return error codes but do not always call SetLastError
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#pragma once
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#include <windows.h>
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#ifdef __cplusplus
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//namespace ThreadEmulation
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//{
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extern "C"
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{
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#endif
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#ifndef CREATE_SUSPENDED
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#define CREATE_SUSPENDED 0x00000004
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#endif
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HANDLE WINAPI CreateThreadRT(_In_opt_ LPSECURITY_ATTRIBUTES unusedThreadAttributes, _In_ SIZE_T unusedStackSize, _In_ LPTHREAD_START_ROUTINE lpStartAddress, _In_opt_ LPVOID lpParameter, _In_ DWORD dwCreationFlags, _Out_opt_ LPDWORD unusedThreadId);
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DWORD WINAPI ResumeThreadRT(_In_ HANDLE hThread);
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BOOL WINAPI SetThreadPriorityRT(_In_ HANDLE hThread, _In_ int nPriority);
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VOID WINAPI SleepRT(_In_ DWORD dwMilliseconds);
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DWORD WINAPI TlsAllocRT();
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BOOL WINAPI TlsFreeRT(_In_ DWORD dwTlsIndex);
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LPVOID WINAPI TlsGetValueRT(_In_ DWORD dwTlsIndex);
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BOOL WINAPI TlsSetValueRT(_In_ DWORD dwTlsIndex, _In_opt_ LPVOID lpTlsValue);
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void WINAPI TlsShutdown();
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#ifdef __cplusplus
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}
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#endif
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