The real answer is that _you_ must measure it --- especially since the real answer will depend on your platform, application and performance requirements. I _suspect_ that it won't matter either way.
Happy hacking! -Christian On 08/12/2014 10:36 PM, Carlos Eduardo Moreira dos Santos wrote: > __thread keyword is simple to use, but I have to open one socket per > thread, so I used pthread_once and also pthread_key_create to close it. The > only disadvantage I noticed is running pthread_once in every access handler > callback call. I don't know the details, but pthread_once should be fast > enough to discard my code, isn't it? > > Best, > Carlos Eduardo > > > On Thu, Jul 3, 2014 at 5:05 AM, Christian Grothoff <[email protected]> > wrote: > >> Well, pthread_key_create() also works, I guess, but I was thinking about >> a slightly more lightweight method: >> >> http://gcc.gnu.org/onlinedocs/gcc-3.3/gcc/Thread-Local.html >> >> But both should work, and the best choice may really depend on your >> application and its intended environment.
