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Serializing tokens
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<p>In <a href="/facts/Computer_science/lN3pEyPz">computer science</a>, serializing tokens are a concept in concurrency control arising from the ongoing development of <a href="/facts/DragonFly_BSD/U6cvpDJR">DragonFly BSD</a>. According to <a href="/facts/Matt_Dillon_(computer_scientist)/pNgTQuzb">Matthew Dillon</a>, they are most akin to <a href="/facts/Spl_(Unix)/RFVNF4Bf">SPLs</a>, except a token works across multiple <a href="/facts/Central_processing_unit/Jxp1bqMV">CPUs</a> while SPLs only work within a single CPU's domain. </p><p>Serializing tokens allow programmers to write <a href="/facts/Multiprocessor/aDCfehDQ">multiprocessor</a>-safe code without themselves or the lower level subsystems needing to be aware of every single entity that may also be holding the same token. </p>