----- On Jul 17, 2015, at 6:43 PM, Ondřej Bílka neleai@xxxxxxxxx wrote: > On Fri, Jul 17, 2015 at 04:03:30PM +0000, Mathieu Desnoyers wrote: >> ----- On Jul 17, 2015, at 6:58 AM, Ondřej Bílka neleai@xxxxxxxxx wrote: >> [...] >> >> If we invoke this per-thread registration directly in the glibc NPTL >> >> implementation, >> >> in start_thread, do you think it would fit your requirements ? >> >> > [...] >> > Second would be write patch to libc adding function >> > pthread_create_add_hook_np to register function that would be ran after >> > each thread creation. >> >> Do you suggest that this callback should be registered once per thread, >> or somehow attached to pthread_attr_t ? As maintainer of lttng-ust, >> where we need some control over our own threads, but where we want minimal >> impact on the overall application, I would really prefer if we can attach >> the callback to pthread_attr_t. >> > Could you elaborate. I was suggesting per-thread callback, what do you > want to do with pthread_attr_t? Hrm, nevermind, even in the context of lttng-ust, I'd want the callback to be called for every thread in the application. Therefore, registering this callback once per process seems to make sense. Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
