Re: Question about _wq in the class Sender
Adam Lackorzynski <[email protected]>
| Newsgroups | gmane.comp.micro-kernel.l4.devel |
|---|---|
| Message-ID | <[email protected]> |
On Thu Jul 10, 2014 at 14:20:20 -0400, Yuxin Ren wrote: > I note in the Sender class there is a variable "_wq". > What is the role of this variable? > And in the IPC, we set it to the sender_list of receiver. > Why? wq is short for wait-queue and it is used during IPC to connect sender and receiver. The queue is prio sorted so that IPCs happen according to their prio. Adam -- Adam [email protected] Lackorzynski http://os.inf.tu-dresden.de/~adam/