signal

Back in October I started work on a new app for PiBox: an XM radio player. The hardware is an XMPCR, a device sold in the early 2000’s that connected over USB to a PC. The device didn’t last long. I think there was some concern that people would steal […]

PiBox: XM radio app (PiXM) and wifi scanning in PNC

Wed December 14, 2016 in Audio / General / GTK+ / Hardware / Linux / PiBox / PiBox Network Config / PiClock / PiXM / Raspberry Pi / Software Development / XMPCR tagged Android / busybox / colorado springs / graphics / GTK+ / laptop / Linux / linux journal / Media Server / PiBox / Radio / Raspberry Pi / Roku / routers / signal / Sirius / ui components / video playback / video player / wifi / ximba / xm radio / xmpcr

I ran into an interesting problem today. I have a C application with functions calling writev() to send data across the network. The messages being sent range from very small – a few bytes – to over 1MB. These functions have worked great up to this point. Today I integrated […]

writev() vs send() when using signals

Tue August 09, 2011 in Linux / Software Development tagged signal / signals / writev

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The man page for timer_create() (used in applications, not in kernel code) gives a useful example of how to create and start high resolution timers. However, it fails to mention that if you use multiple timers with a single signal then you need have a single signal handler that can […]