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Justin Lee authored
According to Wikipedia http://en.wikipedia.org/wiki/Latency_%28engineering%29#Packet-switched_networks latency means "the time from the source sending a packet to the destination receiving it". Therefore, latency is unrelated to whether the operation is asynchronous or synchronous. And also unrelated to whether it's one-way or round-trip. Latency exists for asynchronous and one-way transfer, because for current DBus implementations we need at least one context switch to transfer each message from the sender process to the receiver process. Emphasizing D-Bus is low-latency could encourage user to abuse/misuse the system. Mail disscusion: http://lists.freedesktop.org/archives/dbus/2013-May/015665.html Bug: https://bugs.freedesktop.org/show_bug.cgi?id=65141 Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>
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