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[lwip-devel] [bug #28064] pbuf_alloc(PBUF_POOL) is not thread-safe
From: |
Simon Goldschmidt |
Subject: |
[lwip-devel] [bug #28064] pbuf_alloc(PBUF_POOL) is not thread-safe |
Date: |
Tue, 18 May 2010 16:12:28 +0000 |
User-agent: |
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; de; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 |
Follow-up Comment #7, bug #28064 (project lwip):
OK, I didn't think of calling pbuf_alloc() from interrupt context with
NO_SYS==1.
After all, I think the easiest solution is probably to set a flag and let
tcp_tmr free ooseq segments if that flag is set. This would work for both
NO_SYS settings and is thread-safe, although it might be a bit late
(250ms...). Another solution would be to add a sys_timeout in this case, but
that's not thread-safe either (yet?).
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