[PATCH][BZ #16145] Reduce lock contention in __tz_convert()

[Paul Eggert]

On 02/25/2015 11:11 AM, Mike Frysinger wrote:
> blah, i was thinking it was a local.  man i hate global state

Me too.  Is this a good time to mention the project to add to glibc 
thread-safe TZ functions, a la the reference TZ code?  They don't have 
global state.

https://sourceware.org/glibc/wiki/Development_Todo/Master#MT-Safe_and_TZ-aware_functions