On Mon, 2013-04-29 at 23:17 -0400, kosaki.motoh...@gmail.com wrote: > From: KOSAKI Motohiro <kosaki.motoh...@jp.fujitsu.com> > > Currently glibc's rt/tst-cputimer1 testcase is spradically fail because > a timer created by timer_create() may fire earlier than it's specified. > > posix_cpu_timer_set() uses "val" as current time for three purpose. 1) > initialize sig->cputimer. 2) calculation "old" val. 3) calculations an > expires time. > > (1) and (2) should be used only committed time (i.e. without delta_exec) > because run_posix_cpu_timers() don't care of delta_exec and we need > consistency. But (3) need exact current time (aka cpu clock time) beucase > an expires should be "now + timeout" by definition. > > This patch makes separete two kind of "now". > Kosaki,
I must admit that this solution is simpler to what I originally proposed. good work! Olivier -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
