(2012/11/08 13:42), Tejun Heo wrote:
Hello, Kame. On Thu, Nov 08, 2012 at 01:37:50PM +0900, Kamezawa Hiroyuki wrote:How about enum { __CGROUP_FREEZING, __CGROUP_FROZEN, }; #define CGROUP_FREEZER_STATE_MASK 0x3 #define CGROUP_FREEZER_STATE(state) ((state) & CGROUP_FREEZER_STATE_MASK) #define CGROUP_THAW(state) (CGROUP_FREEZER_STATE(state) == 0) #define CGROUP_FREEZING(state) (CGROUP_FREEZER_STATE(state) == __CGROUP_FREEZING) #define CGROUP_FROZEN(state)\ (CGROUP_FREEZER_STATE(state) == (__CGROUP_FREEZING | __CGROUP_FROZEN))I think it's a bit overdone and we have cases where we test for FREEZING regardless of FROZEN and cases where test for FREEZING && !FROZEN. We can have, say, CGROUP_FREZING() and then CGROUP_FREEZING_BUT_NOT_FROZEN(), but it feels more like obfuscation than anything else.
Hm, then, I'm glad if I can see what combinations of flags are valid and meanings of them in source code comments. Anyway, Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
