RFA: gdb linux nptl patch 1

[Michael Snyder]

J. Johnston wrote:
[...]
> This patch proposes adding a secondary list of thread_info structs that 
> keeps
> track of the lwps.  This list is kept distinct from the regular thread 
> list.
> Since manipulating either list involves common operations, some base 
> operations
> are added for generic thread_info list manipulation.  The lin-lwp.c 
> layer is
> changed to add and delete lwp thread_info structs to the lwp list when lwps
> are added or deleted.  The linux-proc.c code is changed to iterate 
> through the
> lwp thread_info list rather than the thread list when creating the 
> pr_status
> notes.

Jeff, did you realize that lin-lwp.c already maintains a list of lwps?
It even exports an iterator function.  I think this list you're adding
may be redundant.

Michael