void ProcessVariable::unsubscribe(Guard &guard)
{
guard.check(__FILE__, __LINE__, mutex);
// See comments in stop(): this->id is already 0, state==INIT.
if (isSubscribed(guard))
{
#ifdef CHECK_EVID
void *user = peek_evid_userptr(ev_id);
LOG_ASSERT(user == this);
#endif
evid _ev_id = ev_id;
ev_id = 0;
GuardRelease release(__FILE__, __LINE__, guard);
{
Guard ctx_guard(__FILE__, __LINE__, ctx);
LOG_ASSERT(ctx.isAttached(ctx_guard));
}
try
{
ca_clear_subscription(_ev_id);
}
catch (std::exception &e)
{
LOG_MSG("ProcessVariable::unsubscribe(%s): %s\n",
getName().c_str(), e.what());
}
catch (...)
{
LOG_MSG("ProcessVariable::unsubscribe(%s): Unknown Exception\n",
getName().c_str());
}
}
}
static void freepvInfo(pvInfo *i) {
/* Remove all pending events in the Tcl event queue
* pointing to this PV */
Tcl_DeleteEvents(PVeventDeleteProc, (ClientData)i);
if (i->id) {
if (i->monitorid) {
ca_clear_subscription(i->monitorid);
}
ca_clear_channel(i->id);
}
ckfree(i->name);
DecrIfNotNull(&i->connectprefix);
DecrIfNotNull(&i->monitorprefix);
ckfree(i);
}
//______________________________________________________________________________
void beamPositionMonitorInterface::killCallBack( beamPositionMonitorStructs::monitorStruct * ms, beamPositionMonitorStructs::rawDataStruct * bpmdo )///, beamPositionMonitorStructs::bpmDataObject * bpmdo )
{
int status = ca_clear_subscription( *ms -> EVID );
if( status == ECA_NORMAL)
{
// debugMessage( ms -> scopeObject, " monitoring = false ");
isMonitoringMap[ ms -> bpmObject ] = false;
// bpmdo -> isMonitoring = false;
bpmdo -> appendingData = false;
monitoringData = false;
delete ms;
}
else
{
message("ERROR: in killCallBack: ca_clear_subscription failed for ", ms->bpmObject );
}
}
/*
* ca_clear_event ()
*/
int epicsShareAPI ca_clear_event ( evid pMon )
{
return ca_clear_subscription ( pMon );
}
