T TomB Very Active Member Joined Oct 26, 2009 Messages 212 Dec 27, 2012 #1 Does the calling thread of ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg); go to sleep until vsync is reached or is this thread active (busy waiting) until vync?
Does the calling thread of ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg); go to sleep until vsync is reached or is this thread active (busy waiting) until vync?
E Exophase Nothing good will ever come of Exophase. Joined Sep 21, 2006 Messages 10,307 Age 41 Location Cleveland OH Dec 28, 2012 #2 Sleeps.