77 lines
2.6 KiB
C++
77 lines
2.6 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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* SPDX-License-Identifier: EPICS
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* EPICS Base 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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/*
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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 dbPutNotifyBlockerh
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#define dbPutNotifyBlockerh
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#include "tsFreeList.h"
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#include "compilerDependencies.h"
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class dbPutNotifyBlocker : public dbBaseIO {
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public:
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dbPutNotifyBlocker ( epicsMutex & );
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void destructor ( CallbackGuard &, epicsGuard < epicsMutex > & );
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void initiatePutNotify ( epicsGuard < epicsMutex > &,
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cacWriteNotify &, struct dbChannel *,
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unsigned type, unsigned long count, const void * pValue );
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void cancel ( CallbackGuard &, epicsGuard < epicsMutex > & );
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void show ( epicsGuard < epicsMutex > &, unsigned level ) const;
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void show ( unsigned level ) const;
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void * operator new ( size_t size,
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tsFreeList < dbPutNotifyBlocker, 64, epicsMutexNOOP > & );
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epicsPlacementDeleteOperator (( void *,
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tsFreeList < dbPutNotifyBlocker, 64, epicsMutexNOOP > & ))
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private:
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processNotify pn;
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//
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// Include a union of all scalar types
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// including fixed length strings so
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// that in many cases we can avoid
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// allocating another buffer
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//
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union {
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dbr_string_t strval;
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dbr_short_t shrtval;
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dbr_short_t intval;
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dbr_float_t fltval;
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dbr_enum_t enmval;
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dbr_char_t charval;
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dbr_long_t longval;
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dbr_double_t doubleval;
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} dbrScalarValue;
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epicsEvent block;
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epicsMutex & mutex;
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cacWriteNotify * pNotify;
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unsigned long maxValueSize;
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// arguments for db_put_field
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void *pbuffer;
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long nRequest;
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short dbrType;
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// end arguments for db_put_field
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dbSubscriptionIO * isSubscription ();
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void expandValueBuf (
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epicsGuard < epicsMutex > &, unsigned long newSize );
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friend void putNotifyCompletion ( processNotify * ppn );
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friend int putNotifyPut ( processNotify *ppn, notifyPutType type );
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dbPutNotifyBlocker ( const dbPutNotifyBlocker & );
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dbPutNotifyBlocker & operator = ( const dbPutNotifyBlocker & );
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virtual ~dbPutNotifyBlocker ();
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void operator delete ( void * );
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};
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#endif // ifndef dbPutNotifyBlockerh
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