Thank you for your response.

Kieran Mansley wrote:
On Thu, 16 Jun 2005, Mitani Hiroshi wrote:
My question is that if the "timeout" argument is zero, should the thread
wait for signal, or just poll a semaphore and quit immediately?

Timeout of zero means block forever until the semaphore is signalled.
i.e. No timeout.

Thank you. This helps me. I could write my sys_arch.c.
But I have met next problem. Socket() does not work.
It seems that it is waiting (forever) for message in
netconn_new_with_proto_and_callback():sys_mbox_fetch(conn->mbox, NULL);.

Who will send a message to this mailbox?
--
mitani



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