int Dispatcher::waitFor(
FdMask& rmaskret, FdMask& wmaskret, FdMask& emaskret, timeval* howlong
) {
int nfound;
do {
rmaskret = *_rmask;
wmaskret = *_wmask;
emaskret = *_emask;
howlong = calculateTimeout(howlong);
#if defined(hpux)
nfound = select(
_nfds, (int*)&rmaskret, (int*)&wmaskret, (int*)&emaskret, howlong
);
#else
nfound = select(_nfds, &rmaskret, &wmaskret, &emaskret, howlong);
#endif
if (nfound < 0) {
handleError();
}
} while (nfound < 0);
return nfound; /* Timed out or input available */
}
int Dispatcher::waitFor(
FdMask& rmaskret, FdMask& wmaskret, FdMask& emaskret, timeval* howlong
) {
int nfound;
#if defined(HAVE_BSD_SIGNALS) // ifdef SV_INTERRUPT /* BSD-style */
static struct sigvec sv, osv;
#elif defined(HAVE_POSIX_SIGNALS) // #ifdef SA_NOCLDSTOP /* POSIX */
static struct sigaction sa, osa;
#else /* System V-style */
void (*osig)();
#endif
if (!_cqueue->isEmpty()) {
#if defined(HAVE_BSD_SIGNALS) // #ifdef SV_INTERRUPT /* BSD-style */
sv.sv_handler = fxSIGVECHANDLER(&Dispatcher::sigCLD);
sv.sv_flags = SV_INTERRUPT;
sigvec(SIGCLD, &sv, &osv);
#elif defined(HAVE_POSIX_SIGNALS) // #ifdef SA_NOCLDSTOP /* POSIX */
sa.sa_handler = fxSIGACTIONHANDLER(&Dispatcher::sigCLD);
sa.sa_flags = SA_INTERRUPT;
sigaction(SIGCLD, &sa, &osa);
#else /* System V-style */
osig = (void (*)())signal(SIGCLD, fxSIGHANDLER(&Dispatcher::sigCLD));
#endif
}
do {
rmaskret = *_rmask;
wmaskret = *_wmask;
emaskret = *_emask;
howlong = calculateTimeout(howlong);
//#if 0 && defined(hpux)
// nfound = select(
// _nfds, (int*)&rmaskret, (int*)&wmaskret, (int*)&emaskret, howlong
// );
//#else
nfound = select(_nfds, &rmaskret, &wmaskret, &emaskret, howlong);
//#endif
} while (nfound < 0 && !handleError());
if (!_cqueue->isEmpty()) {
#if defined(HAVE_BSD_SIGNALS) // #ifdef SV_INTERRUPT /* BSD-style */
sigvec(SIGCLD, &osv, (struct sigvec*) 0);
#elif defined(HAVE_POSIX_SIGNALS) // #ifdef SA_NOCLDSTOP /* POSIX */
sigaction(SIGCLD, &osa, (struct sigaction*) 0);
#else /* System V-style */
(void) signal(SIGCLD, fxSIGHANDLER(osig));
#endif
}
return nfound; /* Timed out or input available */
}
bool ZMQDevice::run() {
zmq_msg_t msg;
if (zmq_msg_init(&msg) != 0) {
return false;
}
SCOPE_EXIT {
int errno_ = errno;
zmq_msg_close(&msg);
errno = errno_;
};
zmq_pollitem_t items[2];
items[0].socket = Native::data<ZMQSocket>(front)->socket->z_socket;
items[0].fd = 0;
items[0].events = ZMQ_POLLIN;
items[0].revents = 0;
items[1].socket = Native::data<ZMQSocket>(back)->socket->z_socket;
items[1].fd = 0;
items[1].events = ZMQ_POLLIN;
items[1].revents = 0;
void* captureSock = nullptr;
if (!capture.isNull()) {
captureSock = Native::data<ZMQSocket>(capture)->socket->z_socket;
}
uint64_t lastMessageReceived = ZMQ::clock();
idle_cb.scheduled_at = lastMessageReceived + idle_cb.timeout;
timer_cb.scheduled_at = lastMessageReceived + timer_cb.timeout;
while (true) {
int rc = zmq_poll(items, 2, calculateTimeout());
if (rc < 0) {
return false;
}
uint64_t currentTime = ZMQ::clock();
if (rc > 0) {
lastMessageReceived = currentTime;
}
if (timer_cb.initialized && timer_cb.timeout > 0) {
if (timer_cb.scheduled_at <= currentTime) {
if (!timer_cb.invoke(currentTime)) {
return true;
}
}
}
if (rc == 0 && idle_cb.initialized && idle_cb.timeout > 0) {
if ((currentTime - lastMessageReceived) >= idle_cb.timeout &&
idle_cb.scheduled_at <= currentTime) {
if (!idle_cb.invoke(currentTime)) {
return true;
}
}
continue;
}
if (items[0].revents & ZMQ_POLLIN) {
if (!ZMQDevice::handleSocketRecieved(items[0].socket, items[1].socket, captureSock, &msg)) {
return false;
}
}
if (items[1].revents & ZMQ_POLLIN) {
if (!ZMQDevice::handleSocketRecieved(items[1].socket, items[0].socket, captureSock, &msg)) {
return false;
}
}
}
return false;
}
