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94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
//
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// NamedEvent.h
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//
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// Library: Foundation
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// Package: Processes
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// Module: NamedEvent
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//
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// Definition of the NamedEvent class.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_NamedEvent_INCLUDED
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#define Foundation_NamedEvent_INCLUDED
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#include "Poco/Foundation.h"
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#if POCO_OS == POCO_OS_ANDROID
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# include "Poco/NamedEvent_Android.h"
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#elif defined(POCO_OS_FAMILY_UNIX)
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# include "Poco/NamedEvent_UNIX.h"
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#endif
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namespace Poco
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{
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class Foundation_API NamedEvent : public NamedEventImpl
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/// An NamedEvent is a global synchronization object
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/// that allows one process or thread to signal an
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/// other process or thread that a certain event
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/// has happened.
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///
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/// Unlike an Event, which itself is the unit of synchronization,
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/// a NamedEvent refers to a named operating system resource being the
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/// unit of synchronization.
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/// In other words, there can be multiple instances of NamedEvent referring
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/// to the same actual synchronization object.
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///
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/// NamedEvents are always autoresetting.
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///
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/// There should not be more than one instance of NamedEvent for
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/// a given name in a process. Otherwise, the instances may
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/// interfere with each other.
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{
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public:
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NamedEvent(const std::string & name);
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/// Creates the event.
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~NamedEvent();
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/// Destroys the event.
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void set();
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/// Signals the event.
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/// The one thread or process waiting for the event
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/// can resume execution.
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void wait();
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/// Waits for the event to become signalled.
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private:
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NamedEvent();
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NamedEvent(const NamedEvent &);
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NamedEvent & operator=(const NamedEvent &);
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};
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//
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// inlines
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//
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inline void NamedEvent::set()
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{
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setImpl();
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}
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inline void NamedEvent::wait()
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{
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waitImpl();
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}
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} // namespace Poco
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#endif // Foundation_NamedEvent_INCLUDED
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