51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* pvAccessCPP 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 <pv/clientFactory.h>
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#include <pv/clientContextImpl.h>
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#include <pv/lock.h>
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#include <pv/logger.h>
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#include <epicsSignal.h>
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using namespace epics::pvData;
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using namespace epics::pvAccess;
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// TODO global static variable (de/initialization order not guaranteed)
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static Mutex m_mutex;
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static ClientContextImpl::shared_pointer m_context;
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void ClientFactory::start()
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{
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epicsSignalInstallSigAlarmIgnore();
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epicsSignalInstallSigPipeIgnore();
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Lock guard(m_mutex);
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if (m_context.get()) return;
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try {
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m_context = createClientContextImpl();
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m_context->initialize();
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registerChannelProvider(m_context->getProvider());
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} catch (std::exception &e) {
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LOG(logLevelError, "Unhandled exception caught at %s:%d: %s", __FILE__, __LINE__, e.what());
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} catch (...) {
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LOG(logLevelError, "Unhandled exception caught at %s:%d.", __FILE__, __LINE__);
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}
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}
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void ClientFactory::stop()
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{
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Lock guard(m_mutex);
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if (!m_context.get()) return;
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unregisterChannelProvider(m_context->getProvider());
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m_context->dispose();
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m_context.reset();
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}
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