BSD network memory allocation bug

[gumby at zembu.com (D. V. Henkel-Wallace)]

At 14:18 21-05-99 -0400, Quality Quorum wrote:
>I do not bleive that RTOS has to follow same logic UNIX in the case:
>
>     1. Work load of RTOS stuff is more predictale so in many
>        cases there is enough information to figure out
>        necessary size of mbuf free list.
>
>     2. All IP based protocols will recover from packet loss
>        without too many problems.
>
>     3. Memory is cheap.
>
>So, the most natuarl thing is to have pool of mbuffs and return
>NULL in all cases (WAIT and NO_WAIT) when it is exhausted.
>
>Simple systems == reliable systems.

I don't agree.  If the user wanted WAIT, you should implement it.