On Fri, Jun 23, 2000 at 03:27:13PM -0700, breed@almaden.ibm.com wrote:
>
>
> I registered for a data_ready callback on a TCP socket in the kernel and I
> would like to recieve the data that just came in immediately. In other
> words, I have no process that I can do the recieve in. I seemed to run
> into problems if I didn't queue a task on the scheduler task queue. It
> seems to be working but not well... I have to do terrible things like save
> current->state before I call sock_recvmsg. Am I going to have to create a
> process just to do the sock_recvmsgs in?
Yes. recvmsg depends on a process context. tq_scheduler works in limits,
but you have to be very careful (e.g. it is easy to overflow the stack
by implicit recursion). Creating a kernel thread is recommended.
-Andi
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This archive was generated by hypermail 2b29 : Fri Jun 23 2000 - 21:00:26 EST