mirror of
https://github.com/reactos/reactos.git
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157 lines
3.2 KiB
C
157 lines
3.2 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS WinSock 2 API
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* FILE: dll/win32/ws2_32_new/src/bhook.c
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* PURPOSE: Blocking Hook support for 1.x clients
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* PROGRAMMER: Alex Ionescu (alex@relsoft.net)
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*/
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/* INCLUDES ******************************************************************/
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#include <ws2_32.h>
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS *****************************************************************/
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/*
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* @implemented
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*/
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INT
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WSAAPI
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WSACancelBlockingCall(VOID)
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{
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PWSPROCESS Process;
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PWSTHREAD Thread;
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INT ErrorCode;
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DPRINT("WSACancelBlockingCall\n");
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/* Call the prolog */
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ErrorCode = WsApiProlog(&Process, &Thread);
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if (ErrorCode != ERROR_SUCCESS)
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{
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/* Fail */
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SetLastError(ErrorCode);
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return SOCKET_ERROR;
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}
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/* Make sure this isn't a 2.2 client */
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if (LOBYTE(Process->Version) >= 2)
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{
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/* Only valid for 1.x */
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SetLastError(WSAEOPNOTSUPP);
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return SOCKET_ERROR;
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}
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/* Cancel the call */
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ErrorCode = WsThreadCancelBlockingCall(Thread);
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if (ErrorCode != ERROR_SUCCESS)
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{
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/* Fail */
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SetLastError(ErrorCode);
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return SOCKET_ERROR;
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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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/*
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* @implemented
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*/
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BOOL
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WSAAPI
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WSAIsBlocking(VOID)
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{
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PWSPROCESS Process;
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PWSTHREAD Thread;
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INT ErrorCode;
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DPRINT("WSAIsBlocking\n");
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/* Call the prolog */
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ErrorCode = WsApiProlog(&Process, &Thread);
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if (ErrorCode != ERROR_SUCCESS)
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{
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/* Fail unless its because we're busy */
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if (ErrorCode != WSAEINPROGRESS) return FALSE;
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}
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/* Return the value from the thread */
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return Thread->Blocking;
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}
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/*
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* @implemented
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*/
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FARPROC
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WSAAPI
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WSASetBlockingHook(IN FARPROC lpBlockFunc)
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{
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PWSPROCESS Process;
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PWSTHREAD Thread;
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INT ErrorCode;
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DPRINT("WSASetBlockingHook: %p\n", lpBlockFunc);
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/* Call the prolog */
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ErrorCode = WsApiProlog(&Process, &Thread);
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if (ErrorCode != ERROR_SUCCESS)
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{
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/* Fail */
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SetLastError(ErrorCode);
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return NULL;
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}
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/* Make sure this isn't a 2.2 client */
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if (LOBYTE(Process->Version) >= 2)
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{
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/* Only valid for 1.x */
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SetLastError(WSAEOPNOTSUPP);
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return NULL;
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}
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/* Make sure the pointer is safe */
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if (IsBadCodePtr(lpBlockFunc))
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{
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/* Invalid pointer */
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SetLastError(WSAEFAULT);
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return NULL;
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}
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/* Set the blocking hook and return the previous one */
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return WsThreadSetBlockingHook(Thread, lpBlockFunc);
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}
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/*
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* @implemented
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*/
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INT
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WSAAPI
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WSAUnhookBlockingHook(VOID)
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{
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PWSPROCESS Process;
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PWSTHREAD Thread;
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INT ErrorCode;
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DPRINT("WSAUnhookBlockingHook\n");
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/* Call the prolog */
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ErrorCode = WsApiProlog(&Process, &Thread);
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if (ErrorCode != ERROR_SUCCESS)
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{
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/* Fail */
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SetLastError(ErrorCode);
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return SOCKET_ERROR;
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}
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/* Make sure this isn't a 2.2 client */
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if (LOBYTE(Process->Version) >= 2)
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{
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/* Only valid for 1.x */
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SetLastError(WSAEOPNOTSUPP);
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return SOCKET_ERROR;
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}
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/* Set the blocking hook and return the previous one */
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return WsThreadUnhookBlockingHook(Thread);
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}
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