POSIX timer functions

Khem Raj raj.khem at gmail.com
Wed Oct 1 02:50:21 UTC 2008


On Sun, Sep 28, 2008 at 3:52 AM,  <kevin.morfitt at fearnside-systems.co.uk> wrote:
> Hi
>
> I noticed there are 2 versions of the POSIX timer functions - one in librt
> and the other in linuxthreads/sysdeps/pthread. The one in sysdeps/pthread
> supports SIGEV_THREAD notification and I wanted to use it but I can't seem
> to get it into the build. I've tried selecting all the available options of
> linuxthreads in menuconfig but I only ever end up with the librt version of
> POSIX timers. How do I get the sysdeps/pthread version enabled in the build?

The pthread implementation should be chosen first if it exists but it
seems librt is getting in way here and is chosen always. I think you
have to disable this in librt and add these files in librt from
pthread implementation. Some makefile changes are required.

>
> Thanks
> Kevin Morfitt
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