ThreadWeaver
ThreadWeaver is a system library initially developed for KDE Software Compilation 4 and later refactored for KDE Frameworks 5 . 
<triplet> ThreadWeaver <subj> library <obj> instance of <triplet> KDE Software Compilation 4 <subj> KDE Frameworks 5 <obj> followed by <triplet> KDE Frameworks 5 <subj> library <obj> instance of