pi_waiters in task_struct

Kevin Wilson wkevils at gmail.com
Tue Mar 12 02:24:52 EDT 2013


Hi,
Looking into task_struct (include/linux/scehd.h) , we have:

	/* PI waiters blocked on a rt_mutex held by this task */
	struct plist_head pi_waiters;
	
Any ideas what "pi" stand for ?
I assume it has nothing to do with "pi" from mathematics...


rgs.
Kevin



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