mirror of
https://github.com/reactos/reactos.git
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152 lines
3.7 KiB
C
152 lines
3.7 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS WinSock 2 DLL
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* FILE: dll/win32/ws2help/apc.c
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* PURPOSE: WinSock 2 DLL header
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*/
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/* INCLUDES ******************************************************************/
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#include "precomp.h"
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/* DATA **********************************************************************/
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#define APCH (HANDLE)'SOR '
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/* FUNCTIONS *****************************************************************/
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DWORD
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WINAPI
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WahOpenApcHelper(OUT PHANDLE ApcHelperHandle)
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{
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DWORD ErrorCode;
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/* Enter the prolog, make sure we're initialized */
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ErrorCode = WS2HELP_PROLOG();
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if (ErrorCode != ERROR_SUCCESS) return ErrorCode;
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/* Validate handle */
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if (!ApcHelperHandle) return ERROR_INVALID_PARAMETER;
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/*
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* Return a bogus handle ("ROS")
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* Historical note:(MS sends "CKM", which probably stands for "Keith Moore"
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* (KM), one of the core architects of Winsock 2.2 from Microsoft.
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*/
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*ApcHelperHandle = APCH;
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return ERROR_SUCCESS;
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}
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DWORD
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WINAPI
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WahCloseApcHelper(IN HANDLE ApcHelperHandle)
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{
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DWORD ErrorCode;
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/* Enter the prolog, make sure we're initialized */
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ErrorCode = WS2HELP_PROLOG();
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if (ErrorCode != ERROR_SUCCESS) return ErrorCode;
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/* Validate handle */
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if (ApcHelperHandle != APCH) return ERROR_INVALID_PARAMETER;
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/* return */
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return ERROR_SUCCESS;
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}
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DWORD
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WINAPI
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WahCloseThread(IN HANDLE ApcHelperHandle,
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IN LPWSATHREADID ThreadId)
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{
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DWORD ErrorCode;
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/* Enter the prolog, make sure we're initialized */
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ErrorCode = WS2HELP_PROLOG();
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if (ErrorCode != ERROR_SUCCESS) return ErrorCode;
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/* Validate handles */
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if ((ApcHelperHandle != APCH) || (!ThreadId) || (!ThreadId->ThreadHandle))
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{
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/* Invalid helper/thread handles */
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return ERROR_INVALID_PARAMETER;
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}
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/* Close the thread handle */
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if (CloseHandle(ThreadId->ThreadHandle))
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{
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/* Clear the structure */
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ThreadId->ThreadHandle = NULL;
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ThreadId->Reserved = 0;
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return NO_ERROR;
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}
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/* return */
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return GetLastError();
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}
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INT
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WINAPI
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WahQueueUserApc(IN HANDLE ApcHelperHandle,
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IN LPWSATHREADID ThreadId,
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IN LPWSAUSERAPC ApcRoutine,
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IN PVOID ApcContext OPTIONAL)
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{
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/* Validate params */
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if ((ApcHelperHandle != APCH) ||
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(!ThreadId) ||
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(!ThreadId->ThreadHandle) ||
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(!ApcRoutine))
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{
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/* Invalid parameters */
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return ERROR_INVALID_PARAMETER;
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}
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/* Queue the APC */
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if (QueueUserAPC(ApcRoutine, ThreadId->ThreadHandle, (ULONG_PTR)ApcContext))
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{
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/* Return success */
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return ERROR_SUCCESS;
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}
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/* Fail */
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return GetLastError();
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}
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DWORD
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WINAPI
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WahOpenCurrentThread(IN HANDLE ApcHelperHandle,
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OUT LPWSATHREADID ThreadId)
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{
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HANDLE ProcessHandle, ThreadHandle;
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/* Validate params */
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if ((ApcHelperHandle != APCH) || (!ThreadId))
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{
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/* Invalid parameters */
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return ERROR_INVALID_PARAMETER;
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}
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/* Get the process/thread handles */
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ProcessHandle = GetCurrentProcess();
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ThreadHandle = GetCurrentThread();
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/* Duplicate the handle */
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if (DuplicateHandle(ProcessHandle,
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ThreadHandle,
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ProcessHandle,
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&ThreadId->ThreadHandle,
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0,
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FALSE,
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DUPLICATE_SAME_ACCESS))
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{
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/* Save the thread handle and return */
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ThreadId->Reserved = (DWORD_PTR)ThreadHandle;
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return ERROR_SUCCESS;
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}
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/* Fail */
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return GetLastError();
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}
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/* EOF */
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