On Wed, 2010-05-26 at 03:47 -0700, Arve Hjønnevåg wrote: > 2010/5/26 Peter Zijlstra <peterz@xxxxxxxxxxxxx>: > > On Fri, 2010-05-21 at 15:46 -0700, Arve Hjønnevåg wrote: > >> +To create a suspend blocker from user space, open the suspend_blocker > >> special > >> +device file: > >> + > >> + fd = open("/dev/suspend_blocker", O_RDWR | O_CLOEXEC); > >> + > >> +then optionally call: > >> + > >> + ioctl(fd, SUSPEND_BLOCKER_IOCTL_SET_NAME(strlen(name)), name); > >> + > >> +To activate the suspend blocker call: > >> + > >> + ioctl(fd, SUSPEND_BLOCKER_IOCTL_BLOCK); > >> + > >> +To deactivate it call: > >> + > >> + ioctl(fd, SUSPEND_BLOCKER_IOCTL_UNBLOCK); > >> + > >> +To destroy the suspend blocker, close the device: > >> + > >> + close(fd); > > > > Urgh, please let the open() be BLOCK, the close() be UNBLOCK, and keep > > the SET_NAME thing if you really care. > > > > That would be very inefficient. How so? Anyway, since you admitted this thing isn't needed at all, I say we remove it altogether. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html