71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
/* event.cpp */
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/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvDataCPP is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*/
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#include <cstddef>
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#include <cstdlib>
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#include <cstddef>
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#include <string>
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#include <cstdio>
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#include <stdexcept>
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#include <memory>
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#include <vector>
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#include <epicsThread.h>
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#include <epicsMutex.h>
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#include <epicsEvent.h>
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#include <pv/noDefaultMethods.h>
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#include <pv/pvType.h>
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#include <pv/lock.h>
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#include <pv/event.h>
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#include <pv/CDRMonitor.h>
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namespace epics { namespace pvData {
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PVDATA_REFCOUNT_MONITOR_DEFINE(event);
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static String alreadyOn("already on list");
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Event::~Event() {
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epicsEventDestroy(id);
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id = 0;
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PVDATA_REFCOUNT_MONITOR_DESTRUCT(event);
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}
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Event::Event(bool full)
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: id(epicsEventCreate(full?epicsEventFull : epicsEventEmpty))
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{
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PVDATA_REFCOUNT_MONITOR_CONSTRUCT(event);
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}
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void Event::signal()
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{
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if(id==0) throw std::logic_error(String("event was deleted"));
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epicsEventSignal(id);
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}
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bool Event::wait ()
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{
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if(id==0) throw std::logic_error(String("event was deleted"));
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epicsEventWaitStatus status = epicsEventWait(id);
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return status==epicsEventWaitOK ? true : false;
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}
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bool Event::wait ( double timeOut )
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{
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if(id==0) throw std::logic_error(String("event was deleted"));
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epicsEventWaitStatus status = epicsEventWaitWithTimeout(id,timeOut);
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return status==epicsEventWaitOK ? true : false;
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}
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bool Event::tryWait ()
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{
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if(id==0) throw std::logic_error(String("event was deleted"));
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epicsEventWaitStatus status = epicsEventTryWait(id);
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return status==epicsEventWaitOK ? true : false;
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}
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}}
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