AW: RFC: POSIX timers and threads in a realtime context

[Rich Felker]

On Tue, Oct 06, 2015 at 12:10:29PM +0000, Joseph Myers wrote:
> On Tue, 6 Oct 2015, Warlich, Christof wrote:
> 
> > Please advise how to proceed: Does it make sense if I send a patch?
> 
> I think a separate thread should be started seeking to establish a 
> consensus on whether gettid and pthread_gettid_np (see bug 6399) should be 
> added to glibc as part of the OS-independent GNU API.  That will require 
> careful analysis of the concept of tids in different operating systems, 
> not just Linux, to understand how OS-independent such a concept is, as 
> well as of Linux interfaces taking tids, and of glibc interfaces taking 
> them (whether correctly or incorrectly).  It will also require active work 
> understanding the different points of view expressed in that thread and 
> seeking to find common ground; consensus is unlikely to arise simply 
> through starting discussion and then watching it.
> 
> If a consensus supporting the addition of such APIs is established, a 
> patch implementing them can be submitted (make sure to complete the 
> copyright assignment paperwork before sending the patch).  If consensus 
> is against them in the OS-independent API, we may wish to look at the 
> libinux-syscalls concept for them.

This latter approach would not solve the issue being discussed here --
a separate/third-party libinux-syscalls could not justifiably inspect
the internals of the pthread structure.

Rich