common.h

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#ifndef CPN_COMMON_H
#define CPN_COMMON_H
#pragma once
#include <stdint.h>
#include <tr1/memory>
#include <memory>

// This code was obtained from http://gcc.gnu.org/wiki/Visibility
// Generic helper definitions for shared library support
#if defined _WIN32 || defined __CYGWIN__
#define CPN_HELPER_DLL_IMPORT __declspec(dllimport)
#define CPN_HELPER_DLL_EXPORT __declspec(dllexport)
#define CPN_HELPER_DLL_LOCAL
#else
#if __GNUC__ >= 4
#define CPN_HELPER_DLL_IMPORT __attribute__ ((visibility("default")))
#define CPN_HELPER_DLL_EXPORT __attribute__ ((visibility("default")))
#define CPN_HELPER_DLL_LOCAL  __attribute__ ((visibility("hidden")))
#else
#define CPN_HELPER_DLL_IMPORT
#define CPN_HELPER_DLL_EXPORT
#define CPN_HELPER_DLL_LOCAL
#endif
#endif
// Now we use the generic helper definitions above to define CPN_API and CPN_LOCAL.
// CPN_API is used for the public API symbols. It either DLL imports or DLL exports (or does nothing for static build)
// CPN_LOCAL is used for non-api symbols.
#ifdef CPN_DLL // defined if CPN is compiled as a DLL
#ifdef CPN_DLL_EXPORTS // defined if we are building the CPN DLL (instead of using it)
#define CPN_API CPN_HELPER_DLL_EXPORT
#else
#define CPN_API CPN_HELPER_DLL_IMPORT
#endif // CPN_DLL_EXPORTS
#define CPN_LOCAL CPN_HELPER_DLL_LOCAL
#else // CPN_DLL is not defined: this means CPN is a static lib.
#define CPN_API
#define CPN_LOCAL
#endif // CPN_DLL

namespace libvariant {
    class Variant;
}

namespace CPN {

    using std::tr1::shared_ptr;
    using std::tr1::weak_ptr;
    using std::tr1::dynamic_pointer_cast;
    using std::auto_ptr;

    using libvariant::Variant;

    // Forward declarations
    class Kernel;
    class KernelBase;
    class KernelAttr;
    class ConnectionServer;
    class RemoteQueueHolder;

    class QueueBase;
    class QueueReader;
    class QueueWriter;
    class QueueReleaser;
    class QueueAttr;
    class SimpleQueueAttr;

    class NodeAttr;
    class NodeBase;
    class PseudoNode;
    class NodeFactory;

    class Context;

    class RemoteQueue;
    class ConnectionServer;

    // Global enums

    // Types
    typedef uint64_t Key_t;

}


#endif