On Tue, Jan 13, 2015 at 9:45 PM, Jason Ekstrand <ja...@jlekstrand.net> wrote: > On Tue, Jan 13, 2015 at 8:43 PM, Matt Turner <matts...@gmail.com> wrote: >> But, it sounded like what you wanted was for subsequent calls to >> format_array_format_table_init() via call_once() to block until the >> first had completed. I don't think call_once() does that. >> pthread_once() doesn't, at least. > > > If it doesn't guarantee that, then what use is it? From the pthread_once > man page: > > The first call to pthread_once() by any thread in a process, with a given > once_control, shall call the init_routine with no arguments. Subsequent > calls of pthread_once() with the same once_control shall not call the > init_routine. On return from pthread_once(), init_routine shall have > completed. > > Sounds to mee like it guarantees that, regardless of the thread, the > function will have been called by someone by the time your call to > pthread_once completes.
Ah, you're right. I must have misread. Cool. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
