On Thu, Aug 30, 2012 at 9:20 PM, HariHara Sudhan <h...@emo2.com> wrote:
> MsgWaitForMultipleObjects is returning WAIT_FAILED which prints
> error like "_ecore_main_win32_select failed "
> and few random characters, and this same error is printed about 50 times on
> the console after which the program exits.
> I'm downloading multiple image files in the background and loading them on
> to the canvas. This works for a while and then the error appears randomly.
> I'm using ecore-1.1.0 and not the latest version yet. Any help is
> appreciated.
> FYI I changed a few lines in the below function.
which lines ? Provide a diff, please
Vincent
>
> static int
> _ecore_main_win32_select(int nfds __UNUSED__,
> fd_set *readfds,
> fd_set *writefds,
> fd_set *exceptfds,
> struct timeval *tv)
> {
> HANDLE objects[MAXIMUM_WAIT_OBJECTS];
> int sockets[MAXIMUM_WAIT_OBJECTS];
> Ecore_Fd_Handler *fdh;
> Ecore_Win32_Handler *wh;
> unsigned int objects_nbr = 0;
> unsigned int handles_nbr = 0;
> unsigned int events_nbr = 0;
> DWORD result;
> DWORD timeout;
> MSG msg;
> unsigned int i;
> int res;
>
> /* Create an event object per socket */
> EINA_INLIST_FOREACH(fd_handlers, fdh)
> {
> WSAEVENT event;
> long network_event;
>
> network_event = 0;
> if (readfds)
> {
> if (FD_ISSET(fdh->fd, readfds))
> network_event |= FD_READ;
> }
> if (writefds)
> {
> if (FD_ISSET(fdh->fd, writefds))
> network_event |= FD_WRITE;
> }
> if (exceptfds)
> {
> if (FD_ISSET(fdh->fd, exceptfds))
> network_event |= FD_OOB;
> }
>
> if (network_event)
> {
> event = WSACreateEvent();
> WSAEventSelect(fdh->fd, event, network_event);
> objects[objects_nbr] = event;
> sockets[events_nbr] = fdh->fd;
> events_nbr++;
> objects_nbr++;
> }
> }
>
> /* store the HANDLEs in the objects to wait for */
> EINA_INLIST_FOREACH(win32_handlers, wh)
> {
> objects[objects_nbr] = wh->h;
> handles_nbr++;
> objects_nbr++;
> }
>
> /* Empty the queue before waiting */
> while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
> {
> TranslateMessage(&msg);
> DispatchMessage(&msg);
> }
>
> /* Wait for any message sent or posted to this queue */
> /* or for one of the passed handles be set to signaled. */
> if (!tv)
> timeout = INFINITE;
> else
> timeout = (DWORD)((tv->tv_sec * 1000.0) + (tv->tv_usec / 1000.0));
>
> if (timeout == 0) return 0;
>
> result = MsgWaitForMultipleObjects(objects_nbr, (const HANDLE *)objects,
> EINA_FALSE,
> timeout, QS_ALLINPUT);
>
> if (readfds)
> FD_ZERO(readfds);
> if (writefds)
> FD_ZERO(writefds);
> if (exceptfds)
> FD_ZERO(exceptfds);
>
> /* The result tells us the type of event we have. */
> if (result == WAIT_FAILED)
> {
> char *m;
>
> m = evil_last_error_get();
> ERR("%s", m);
> free(m);
> res = -1;
> }
> else if (result == WAIT_TIMEOUT)
> {
> /* ERR("time out\n"); */
> res = 0;
> }
> else if (result == (WAIT_OBJECT_0 + objects_nbr))
> {
> while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
> {
> TranslateMessage(&msg);
> DispatchMessage(&msg);
> }
>
> res = 0;
> }
> else if ((result >= 0) && (result < WAIT_OBJECT_0 + events_nbr))
> {
> WSANETWORKEVENTS network_event;
>
> WSAEnumNetworkEvents(sockets[result], objects[result],
> &network_event);
>
> if ((network_event.lNetworkEvents & FD_READ) && readfds)
> FD_SET(sockets[result], readfds);
> if ((network_event.lNetworkEvents & FD_WRITE) && writefds)
> FD_SET(sockets[result], writefds);
> if ((network_event.lNetworkEvents & FD_OOB) && exceptfds)
> FD_SET(sockets[result], exceptfds);
>
> res = 1;
> }
> else if ((result >= (WAIT_OBJECT_0 + events_nbr)) &&
> (result < (WAIT_OBJECT_0 + objects_nbr)))
> {
> if (!win32_handler_current)
> {
> /* regular main loop, start from head */
> win32_handler_current = win32_handlers;
> }
> else
> {
> /* recursive main loop, continue from where we were */
> win32_handler_current = (Ecore_Win32_Handler
> *)EINA_INLIST_GET(win32_handler_current)->next;
> }
>
> while (win32_handler_current)
> {
> wh = win32_handler_current;
>
> if (objects[result - WAIT_OBJECT_0] == wh->h)
> {
> if (!wh->delete_me)
> {
> wh->references++;
> if (!wh->func(wh->data, wh))
> {
> wh->delete_me = EINA_TRUE;
> win32_handlers_delete_me = EINA_TRUE;
> }
> wh->references--;
> }
> }
> if (win32_handler_current) /* may have changed in recursive
> main loops */
> win32_handler_current = (Ecore_Win32_Handler
> *)EINA_INLIST_GET(win32_handler_current)->next;
> }
> res = 1;
> }
> else
> {
> ERR("unknown result...\n");
> res = -1;
> }
>
> /* Remove event objects again */
> for (i = 0; i < events_nbr; i++) WSACloseEvent(objects[i]);
>
> return res;
> }
>
>
> --
> Regards
>
> HariHaraSudhan
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