307 lines
11 KiB
C++
307 lines
11 KiB
C++
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are 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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/*
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*
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*
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* L O S A L A M O S
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* Los Alamos National Laboratory
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* Los Alamos, New Mexico 87545
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*
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* Copyright, 1986, The Regents of the University of California.
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*
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*
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* Author Jeffrey O. Hill
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* johill@lanl.gov
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* 505 665 1831
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*/
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#ifndef netIOh
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#define netIOh
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#include "nciu.h"
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#include "compilerDependencies.h"
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// SUN PRO generates multiply defined symbols if the baseNMIU
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// destructor is virtual (therefore it is protected).
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// I assume that SUNPRO will fix this in future versions.
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// With other compilers we get warnings (and
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// potential problems) if we dont make the baseNMIU
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// destructor virtual.
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#if defined ( __SUNPRO_CC ) && ( __SUNPRO_CC <= 0x540 )
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# define NETIO_VIRTUAL_DESTRUCTOR
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#else
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# define NETIO_VIRTUAL_DESTRUCTOR virtual
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#endif
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class privateInterfaceForIO;
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class baseNMIU : public tsDLNode < baseNMIU >,
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public chronIntIdRes < baseNMIU > {
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public:
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virtual void destroy (
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epicsGuard < epicsMutex > &, class cacRecycle & ) = 0; // only called by cac
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virtual void completion (
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epicsGuard < epicsMutex > &, cacRecycle & ) = 0;
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virtual void exception (
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epicsGuard < epicsMutex > &, cacRecycle &,
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int status, const char * pContext ) = 0;
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virtual void exception (
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epicsGuard < epicsMutex > &, cacRecycle &,
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int status, const char * pContext, unsigned type,
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arrayElementCount count ) = 0;
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virtual void completion (
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epicsGuard < epicsMutex > &, cacRecycle &,
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unsigned type, arrayElementCount count,
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const void * pData ) = 0;
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virtual void forceSubscriptionUpdate (
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epicsGuard < epicsMutex > & guard, nciu & chan ) = 0;
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virtual class netSubscription * isSubscription () = 0;
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virtual void show (
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unsigned level ) const = 0;
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virtual void show (
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epicsGuard < epicsMutex > &,
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unsigned level ) const = 0;
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protected:
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NETIO_VIRTUAL_DESTRUCTOR ~baseNMIU ();
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};
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class netSubscription : public baseNMIU {
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public:
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static netSubscription * factory (
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tsFreeList < class netSubscription, 1024, epicsMutexNOOP > &,
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class privateInterfaceForIO &, unsigned type, arrayElementCount count,
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unsigned mask, cacStateNotify & );
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void show (
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unsigned level ) const;
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void show (
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epicsGuard < epicsMutex > &, unsigned level ) const;
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arrayElementCount getCount (
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epicsGuard < epicsMutex > &, bool allow_zero ) const;
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unsigned getType (
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epicsGuard < epicsMutex > & ) const;
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unsigned getMask (
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epicsGuard < epicsMutex > & ) const;
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void subscribeIfRequired (
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epicsGuard < epicsMutex > & guard, nciu & chan );
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void unsubscribeIfRequired (
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epicsGuard < epicsMutex > & guard, nciu & chan );
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protected:
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netSubscription (
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class privateInterfaceForIO &, unsigned type,
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arrayElementCount count,
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unsigned mask, cacStateNotify & );
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~netSubscription ();
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private:
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const arrayElementCount count;
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class privateInterfaceForIO & privateChanForIO;
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cacStateNotify & notify;
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const unsigned type;
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const unsigned mask;
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bool subscribed;
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class netSubscription * isSubscription ();
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void operator delete ( void * );
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void * operator new ( size_t,
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tsFreeList < class netSubscription, 1024, epicsMutexNOOP > & );
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epicsPlacementDeleteOperator (( void *,
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tsFreeList < class netSubscription, 1024, epicsMutexNOOP > & ))
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void destroy (
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epicsGuard < epicsMutex > &, class cacRecycle & );
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void completion (
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epicsGuard < epicsMutex > &, cacRecycle & );
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void exception (
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epicsGuard < epicsMutex > &, cacRecycle &,
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int status, const char * pContext );
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void completion (
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epicsGuard < epicsMutex > &, cacRecycle &,
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unsigned type, arrayElementCount count, const void * pData );
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void exception (
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epicsGuard < epicsMutex > &, cacRecycle &,
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int status, const char * pContext, unsigned type,
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arrayElementCount count );
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void forceSubscriptionUpdate (
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epicsGuard < epicsMutex > & guard, nciu & chan );
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netSubscription ( const netSubscription & );
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netSubscription & operator = ( const netSubscription & );
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};
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class netReadNotifyIO : public baseNMIU {
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public:
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static netReadNotifyIO * factory (
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tsFreeList < class netReadNotifyIO, 1024, epicsMutexNOOP > &,
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privateInterfaceForIO &, cacReadNotify & );
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void show (
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unsigned level ) const;
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void show (
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epicsGuard < epicsMutex > &, unsigned level ) const;
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protected:
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netReadNotifyIO ( privateInterfaceForIO &, cacReadNotify & );
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~netReadNotifyIO ();
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private:
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cacReadNotify & notify;
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class privateInterfaceForIO & privateChanForIO;
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void operator delete ( void * );
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void * operator new ( size_t,
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tsFreeList < class netReadNotifyIO, 1024, epicsMutexNOOP > & );
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epicsPlacementDeleteOperator (( void *,
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tsFreeList < class netReadNotifyIO, 1024, epicsMutexNOOP > & ))
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void destroy (
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epicsGuard < epicsMutex > &, class cacRecycle & );
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void completion (
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epicsGuard < epicsMutex > &, cacRecycle & );
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void exception (
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epicsGuard < epicsMutex > &, cacRecycle &,
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int status, const char * pContext );
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void completion (
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epicsGuard < epicsMutex > &, cacRecycle &,
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unsigned type, arrayElementCount count,
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const void * pData );
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void exception (
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epicsGuard < epicsMutex > &, cacRecycle &,
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int status, const char * pContext,
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unsigned type, arrayElementCount count );
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class netSubscription * isSubscription ();
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void forceSubscriptionUpdate (
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epicsGuard < epicsMutex > & guard, nciu & chan );
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netReadNotifyIO ( const netReadNotifyIO & );
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netReadNotifyIO & operator = ( const netReadNotifyIO & );
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};
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class netWriteNotifyIO : public baseNMIU {
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public:
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static netWriteNotifyIO * factory (
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tsFreeList < class netWriteNotifyIO, 1024, epicsMutexNOOP > &,
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privateInterfaceForIO &, cacWriteNotify & );
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void show (
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unsigned level ) const;
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void show (
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epicsGuard < epicsMutex > &, unsigned level ) const;
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protected:
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netWriteNotifyIO ( privateInterfaceForIO &, cacWriteNotify & );
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~netWriteNotifyIO ();
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private:
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cacWriteNotify & notify;
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privateInterfaceForIO & privateChanForIO;
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void operator delete ( void * );
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void * operator new ( size_t,
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tsFreeList < class netWriteNotifyIO, 1024, epicsMutexNOOP > & );
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epicsPlacementDeleteOperator (( void *,
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tsFreeList < class netWriteNotifyIO, 1024, epicsMutexNOOP > & ))
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class netSubscription * isSubscription ();
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void destroy (
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epicsGuard < epicsMutex > &, class cacRecycle & );
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void completion (
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epicsGuard < epicsMutex > &, cacRecycle & );
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void exception (
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epicsGuard < epicsMutex > &, cacRecycle &,
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int status, const char * pContext );
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void completion (
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epicsGuard < epicsMutex > &, cacRecycle &,
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unsigned type, arrayElementCount count,
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const void * pData );
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void exception (
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epicsGuard < epicsMutex > &, cacRecycle &,
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int status, const char * pContext, unsigned type,
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arrayElementCount count );
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void forceSubscriptionUpdate (
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epicsGuard < epicsMutex > & guard, nciu & chan );
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netWriteNotifyIO ( const netWriteNotifyIO & );
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netWriteNotifyIO & operator = ( const netWriteNotifyIO & );
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};
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inline void * netSubscription::operator new ( size_t size,
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tsFreeList < class netSubscription, 1024, epicsMutexNOOP > &freeList )
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{
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return freeList.allocate ( size );
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}
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#if defined ( CXX_PLACEMENT_DELETE )
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inline void netSubscription::operator delete ( void *pCadaver,
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tsFreeList < class netSubscription, 1024, epicsMutexNOOP > &freeList )
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{
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freeList.release ( pCadaver );
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}
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#endif
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inline netSubscription * netSubscription::factory (
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tsFreeList < class netSubscription, 1024, epicsMutexNOOP > & freeList,
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class privateInterfaceForIO & chan, unsigned type, arrayElementCount count,
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unsigned mask, cacStateNotify ¬ify )
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{
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return new ( freeList ) netSubscription ( chan, type,
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count, mask, notify );
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}
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inline arrayElementCount netSubscription::getCount (
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epicsGuard < epicsMutex > & guard, bool allow_zero ) const
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{
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//guard.assertIdenticalMutex ( this->mutex );
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arrayElementCount nativeCount = this->privateChanForIO.nativeElementCount ( guard );
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if ( (this->count == 0u && !allow_zero) || this->count > nativeCount ) {
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return nativeCount;
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}
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else {
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return this->count;
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}
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}
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inline unsigned netSubscription::getType ( epicsGuard < epicsMutex > & ) const
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{
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return this->type;
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}
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inline unsigned netSubscription::getMask ( epicsGuard < epicsMutex > & ) const
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{
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return this->mask;
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}
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inline netReadNotifyIO * netReadNotifyIO::factory (
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tsFreeList < class netReadNotifyIO, 1024, epicsMutexNOOP > & freeList,
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privateInterfaceForIO & ioComplNotifIntf, cacReadNotify & notify )
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{
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return new ( freeList ) netReadNotifyIO ( ioComplNotifIntf, notify );
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}
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inline void * netReadNotifyIO::operator new ( size_t size,
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tsFreeList < class netReadNotifyIO, 1024, epicsMutexNOOP > & freeList )
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{
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return freeList.allocate ( size );
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}
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#if defined ( CXX_PLACEMENT_DELETE )
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inline void netReadNotifyIO::operator delete ( void *pCadaver,
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tsFreeList < class netReadNotifyIO, 1024, epicsMutexNOOP > & freeList )
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{
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freeList.release ( pCadaver );
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}
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#endif
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inline netWriteNotifyIO * netWriteNotifyIO::factory (
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tsFreeList < class netWriteNotifyIO, 1024, epicsMutexNOOP > & freeList,
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privateInterfaceForIO & ioComplNotifyIntf, cacWriteNotify & notify )
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{
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return new ( freeList ) netWriteNotifyIO ( ioComplNotifyIntf, notify );
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}
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inline void * netWriteNotifyIO::operator new ( size_t size,
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tsFreeList < class netWriteNotifyIO, 1024, epicsMutexNOOP > & freeList )
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{
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return freeList.allocate ( size );
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}
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#if defined ( CXX_PLACEMENT_DELETE )
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inline void netWriteNotifyIO::operator delete ( void *pCadaver,
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tsFreeList < class netWriteNotifyIO, 1024, epicsMutexNOOP > & freeList )
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{
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freeList.release ( pCadaver );
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}
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#endif
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#endif // ifdef netIOh
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