Experimental Physics and
Industrial Control System

Dirk Zimoch <[email protected]> · Wed, 08 Jun 2011 15:53:41 +0200

Hi all (gurus especially)

By coincidence I found a strange thing in src/db/dbCa.c. Some functions

call epicsMutexUnlock(pca->lock) without taking the lock first.

Example:

long epicsShareAPI dbCaGetNelements(
    const struct link *plink,long *nelements)
{
    caLink    *pca;

    pcaGetCheck
    *nelements = pca->nelements;
    epicsMutexUnlock(pca->lock);
    return(0);
}

This looks quite wrong to me. Am I missing something or is this a bug?

These are the functions
* dbCaGetNelements
* dbCaGetSevr
* dbCaGetTimeStamp
* dbCaGetLinkDBFtype
* dbCaGetControlLimits
* dbCaGetGraphicLimits
* dbCaGetAlarmLimits
* dbCaGetPrecision
* dbCaGetUnits

Dirk

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System