An area of memory or a dedicated hardware circuit that is used to store incoming data. When the buffer is filled, new data are written starting at the beginning of the buffer. Circular buffers are ...

One of the many changes slipped quietly into BitKeeper over the last week was this patch from Linus changing how pipes are implemented internally. For a long time, pipes have used a single page to ...

Last week, this page looked at the new circular buffer structure used to implement Unix pipes in 2.6.11-rc1, and noted that the plan was to evolve that structure into something more general. Since ...

Why Buffer? Because buffers cut you some slack. Inevitably, in our recent series on microcontroller interrupts, the question of how to deal with actual serial data came up. In those examples, we were ...