自学教程：C++ wine_server_call函数代码示例

static inline BOOL find_next_hook(DWORD event, HWND hwnd, LONG object_id,                                  LONG child_id, struct hook_info *info){    BOOL ret;    SERVER_START_REQ( get_hook_info )    {        req->handle = wine_server_user_handle( info->handle );        req->get_next = 1;        req->event = event;        req->window = wine_server_user_handle( hwnd );        req->object_id = object_id;        req->child_id = child_id;        wine_server_set_reply( req, info->module, sizeof(info->module)-sizeof(WCHAR) );        ret = !wine_server_call( req );        if (ret)        {            info->module[wine_server_reply_size(req) / sizeof(WCHAR)] = 0;            info->handle    = wine_server_ptr_handle( reply->handle );            info->proc      = wine_server_get_ptr( reply->proc );            info->tid       = reply->tid;        }    }    SERVER_END_REQ;    return ret;}

/*********************************************************************** *           server_init_process_done */NTSTATUS server_init_process_done(void){    PEB *peb = NtCurrentTeb()->Peb;    IMAGE_NT_HEADERS *nt = RtlImageNtHeader( peb->ImageBaseAddress );    NTSTATUS status;    /* Install signal handlers; this cannot be done earlier, since we cannot     * send exceptions to the debugger before the create process event that     * is sent by REQ_INIT_PROCESS_DONE.     * We do need the handlers in place by the time the request is over, so     * we set them up here. If we segfault between here and the server call     * something is very wrong... */    if (!SIGNAL_Init()) exit(1);    /* Signal the parent process to continue */    SERVER_START_REQ( init_process_done )    {        req->module = peb->ImageBaseAddress;        req->entry  = (char *)peb->ImageBaseAddress + nt->OptionalHeader.AddressOfEntryPoint;        req->gui    = (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_WINDOWS_CUI);        status = wine_server_call( req );    }    SERVER_END_REQ;    return status;}

/***************************************************************** *               CARET_Callback */static void CALLBACK CARET_Callback( HWND hwnd, UINT msg, UINT_PTR id, DWORD ctime){    BOOL ret;    RECT r;    int old_state = 0;    int hidden = 0;    SERVER_START_REQ( set_caret_info )    {        req->flags  = SET_CARET_STATE;        req->handle = hwnd;        req->x      = 0;        req->y      = 0;        req->hide   = 0;        req->state  = -1;  /* toggle current state */        if ((ret = !wine_server_call( req )))        {            hwnd      = reply->full_handle;            r.left    = reply->old_rect.left;            r.top     = reply->old_rect.top;            r.right   = reply->old_rect.right;            r.bottom  = reply->old_rect.bottom;            old_state = reply->old_state;            hidden    = reply->old_hide;        }    }    SERVER_END_REQ;    if (ret && !hidden) CARET_DisplayCaret( hwnd, &r );}

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