[lwip-devel] [task #7235] Create timeout framework for NO_SYS=1

[Simon Goldschmidt]

Follow-up Comment #9, task #7235 (project lwip):

Why don't we try to resemble the current API? Implementing the sys_timeout
list like it is now but don't check it inside sys_sem_wait or sys_mbox_fetch
but check it in your function nosys_timers(cur_time)?

The downside would be that more code is required... but it would prevent us
from having two totally different implementations, and user timeouts would
also work.

I think having user timeouts is the biggest benefit of the current solution:
you can receive one UDP packet and use sys_timeout to set a timeout. With the
proposed nosys.c, this won't work.

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