PVIF Struct Reference

Public Types
enum	proc_t { ProcPassive, ProcInhibit, ProcForce }

Public Member Functions
	PVIF (dbChannel *ch)
virtual void	put (epics::pvData::BitSet &mask, unsigned dbe, db_field_log *pfl)=0
virtual epics::pvData::Status	get (const epics::pvData::BitSet &mask, proc_t proc=ProcInhibit, bool permit=true)=0
virtual unsigned	dbe (const epics::pvData::BitSet &mask)=0
	Calculate DBE mask from changed bitset.

Public Attributes
dbChannel *const	chan

Detailed Description

Definition at line 365 of file pvif.h.

Member Function Documentation

pvd::Status PVIF::get ( const epics::pvData::BitSet &  mask, proc_t  proc = ProcInhibit, bool  permit = true  )

pure virtual

May copy from pvalue to PDB record (call dbChannelPut()) caller must lock record

Definition at line 1262 of file pvif.cpp.

{
    dbCommon *precord = dbChannelRecord(chan);

    bool tryproc = proc!=ProcPassive ? proc==ProcForce :
                                       dbChannelField(chan) == &precord->proc ||
                                         (dbChannelFldDes(chan)->process_passive &&
                                          precord->scan == 0);

    pvd::Status ret;

    if (tryproc) {
        if (!permit) {
            return pvd::Status::error("Process not permitted");

        } else if (precord->pact) {
            if (precord->tpro)
                printf("%s: Active %s\n",
                       epicsThreadGetNameSelf(), precord->name);
            precord->rpro = TRUE;
        } else {
            /* indicate that dbPutField called dbProcess */
            precord->putf = TRUE;
            long err = dbProcess(precord);
            if(err) {
                char buf[32];
                errSymLookup(err, buf, sizeof(buf));
                std::ostringstream msg;
                msg<<"process error : "<<buf;
                ret = pvd::Status::error(msg.str());
            }
        }
    }

    return ret;
}

virtual void PVIF::put ( epics::pvData::BitSet &  mask, unsigned  dbe, db_field_log *  pfl  )

pure virtual

Copy from PDB record to pvalue (call dbChannelGet()) caller must lock record

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The documentation for this struct was generated from the following files:

• pdbApp/pvif.h
• pdbApp/pvif.cpp