FARPROC WSAAPI WSASetBlockingHook ( IN FARPROC lpBlockFunc )

Definition at line 90 of file bhook.c.

{
    PWSPROCESS Process;
    PWSTHREAD Thread;
    INT ErrorCode;
    DPRINT("WSASetBlockingHook: %p\n", lpBlockFunc);

    /* Call the prolog */
    ErrorCode = WsApiProlog(&Process, &Thread);
    if (ErrorCode != ERROR_SUCCESS)
    {
        /* Fail */
        SetLastError(ErrorCode);
        return NULL;
    }

    /* Make sure this isn't a 2.2 client */
    if (LOBYTE(Process->Version) >= 2)
    {
        /* Only valid for 1.x */
        SetLastError(WSAEOPNOTSUPP);
        return NULL;
    }

    /* Make sure the pointer is safe */
    if (IsBadCodePtr(lpBlockFunc))
    {
        /* Invalid pointer */
        SetLastError(WSAEFAULT);
        return NULL;
    }

    /* Set the blocking hook and return the previous one */
    return WsThreadSetBlockingHook(Thread, lpBlockFunc);
}

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