void QEventDispatcherBlackberry::unregisterSocketNotifier(QSocketNotifier *notifier)
{
Q_D(QEventDispatcherBlackberry);
int sockfd = notifier->socket();
qEventDispatcherDebug << Q_FUNC_INFO << "fd =" << sockfd;
if (Q_UNLIKELY(sockfd >= FD_SETSIZE)) {
qWarning() << "QEventDispatcherBlackberry: cannot unregister QSocketNotifier" << sockfd;
return;
}
// Allow the base Unix implementation to unregister the fd too (before call to ioEvents()!)
QEventDispatcherUNIX::unregisterSocketNotifier(notifier);
// Unregister the fd with bps
BpsChannelScopeSwitcher channelSwitcher(d->bps_channel);
int result = bps_remove_fd(sockfd);
if (Q_UNLIKELY(result != BPS_SUCCESS))
qWarning() << "QEventDispatcherBlackberry: bps_remove_fd failed" << sockfd;
const int io_events = ioEvents(sockfd);
// if other socket notifier is watching sockfd, readd it
if (io_events) {
result = bps_add_fd(sockfd, io_events, &bpsIOHandler, d->ioData.data());
if (Q_UNLIKELY(result != BPS_SUCCESS))
qWarning("QEventDispatcherBlackberry: bps_add_fd error");
}
}
void QEventDispatcherBlackberry::unregisterSocketNotifier(QSocketNotifier *notifier)
{
// Allow the base Unix implementation to unregister the fd too
QEventDispatcherUNIX::unregisterSocketNotifier(notifier);
// Unregister the fd with bps
int sockfd = notifier->socket();
const int io_events = ioEvents(sockfd);
int result = bps_remove_fd(sockfd);
if (result != BPS_SUCCESS)
qWarning() << Q_FUNC_INFO << "bps_remove_fd() failed" << sockfd;
/* if no other socket notifier is
* watching sockfd, our job ends here
*/
if (!io_events)
return;
Q_D(QEventDispatcherBlackberry);
errno = 0;
result = bps_add_fd(sockfd, io_events, &bpsIOHandler, d->ioData.data());
if (result != BPS_SUCCESS) {
qWarning() << Q_FUNC_INFO << "bps_add_fd() failed" << strerror(errno) << "code:" << errno;
}
}
void QEventDispatcherBlackberry::registerSocketNotifier(QSocketNotifier *notifier)
{
Q_ASSERT(notifier);
Q_D(QEventDispatcherBlackberry);
int sockfd = notifier->socket();
int type = notifier->type();
qEventDispatcherDebug << Q_FUNC_INFO << "fd =" << sockfd;
if (Q_UNLIKELY(sockfd >= FD_SETSIZE)) {
qWarning() << "QEventDispatcherBlackberry: cannot register QSocketNotifier (fd too high)"
<< sockfd;
return;
}
// Register the fd with bps
BpsChannelScopeSwitcher channelSwitcher(d->bps_channel);
int io_events = ioEvents(sockfd);
if (io_events)
bps_remove_fd(sockfd);
switch (type) {
case QSocketNotifier::Read:
qEventDispatcherDebug << "Registering" << sockfd << "for Reads";
io_events |= BPS_IO_INPUT;
break;
case QSocketNotifier::Write:
qEventDispatcherDebug << "Registering" << sockfd << "for Writes";
io_events |= BPS_IO_OUTPUT;
break;
case QSocketNotifier::Exception:
default:
qEventDispatcherDebug << "Registering" << sockfd << "for Exceptions";
io_events |= BPS_IO_EXCEPT;
break;
}
const int result = bps_add_fd(sockfd, io_events, &bpsIOHandler, d->ioData.data());
if (Q_UNLIKELY(result != BPS_SUCCESS))
qWarning() << "QEventDispatcherBlackberry: bps_add_fd failed";
// Call the base Unix implementation. Needed to allow select() to be called correctly
QEventDispatcherUNIX::registerSocketNotifier(notifier);
}
void QEventDispatcherBlackberry::registerSocketNotifier(QSocketNotifier *notifier)
{
Q_ASSERT(notifier);
// Register the fd with bps
int sockfd = notifier->socket();
int type = notifier->type();
int io_events = ioEvents(sockfd);
if (io_events)
bps_remove_fd(sockfd);
// Call the base Unix implementation. Needed to allow select() to be called correctly
QEventDispatcherUNIX::registerSocketNotifier(notifier);
switch (type) {
case QSocketNotifier::Read:
io_events |= BPS_IO_INPUT;
break;
case QSocketNotifier::Write:
io_events |= BPS_IO_OUTPUT;
break;
case QSocketNotifier::Exception:
default:
io_events |= BPS_IO_EXCEPT;
break;
}
Q_D(QEventDispatcherBlackberry);
errno = 0;
int result = bps_add_fd(sockfd, io_events, &bpsIOHandler, d->ioData.data());
if (result != BPS_SUCCESS)
qWarning() << Q_FUNC_INFO << "bps_add_fd() failed" << strerror(errno) << "code:" << errno;
}
int QEventDispatcherBlackberry::select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
timeval *timeout)
{
Q_UNUSED(nfds);
// prepare file sets for bps callback
Q_D(QEventDispatcherBlackberry);
d->ioData->count = 0;
d->ioData->readfds = readfds;
d->ioData->writefds = writefds;
d->ioData->exceptfds = exceptfds;
// \TODO Remove this when bps is fixed
//
// Work around a bug in BPS with which if we register the thread_pipe[0] fd with bps in the
// private class' ctor once only then we get spurious notifications that thread_pipe[0] is
// ready for reading. The first time the notification is correct and the pipe is emptied in
// the calling doSelect() function. The 2nd notification is an error and the resulting attempt
// to read and call to wakeUps.testAndSetRelease(1, 0) fails as there has been no intervening
// call to QEventDispatcherUNIX::wakeUp().
//
// Registering thread_pipe[0] here and unregistering it at the end of this call works around
// this issue.
int io_events = BPS_IO_INPUT;
int result = bps_add_fd(d->thread_pipe[0], io_events, &bpsIOHandler, d->ioData.data());
if (result != BPS_SUCCESS)
qWarning() << Q_FUNC_INFO << "bps_add_fd() failed";
// reset all file sets
if (readfds)
FD_ZERO(readfds);
if (writefds)
FD_ZERO(writefds);
if (exceptfds)
FD_ZERO(exceptfds);
// convert timeout to milliseconds
int timeout_ms = -1;
if (timeout)
timeout_ms = (timeout->tv_sec * 1000) + (timeout->tv_usec / 1000);
QElapsedTimer timer;
timer.start();
do {
// wait for event or file to be ready
bps_event_t *event = NULL;
// \TODO Remove this when bps is fixed
// BPS has problems respecting timeouts.
// Replace the bps_get_event statement
// with the following commented version
// once bps is fixed.
// result = bps_get_event(&event, timeout_ms);
result = bps_get_event(&event, 0);
if (result != BPS_SUCCESS)
qWarning("QEventDispatcherBlackberry::select: bps_get_event() failed");
if (!event)
break;
// pass all received events through filter - except IO ready events
if (event && bps_event_get_domain(event) != bpsIOReadyDomain)
filterEvent((void*)event);
} while (timer.elapsed() < timeout_ms);
// \TODO Remove this when bps is fixed (see comment above)
result = bps_remove_fd(d->thread_pipe[0]);
if (result != BPS_SUCCESS)
qWarning() << Q_FUNC_INFO << "bps_remove_fd() failed";
// the number of bits set in the file sets
return d->ioData->count;
}
