🌐EnglishEnglishDeutschFrançaisРусскийEntityQ1519501· pop 6· linked from 31 articlescigarette smokers problemconcurrency problem posed in 1971 by S. PatilAvailable in 6 languagesDeutschРусскийCzechSerbianSlovakvia Wikidata sitelinks · CC0ConnectionsSleeping barber problemEntityoperating systemEntityCategoriesConcurrency (computer science)Paradoxes