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Re: [lwip-users] PBUF Leak Problems...
From: |
Jonathan Larmour |
Subject: |
Re: [lwip-users] PBUF Leak Problems... |
Date: |
Wed, 19 Sep 2007 18:25:13 +0100 |
User-agent: |
Thunderbird 1.5.0.12 (X11/20070530) |
Thomas Catalino wrote:
Yes, it does appear to be pool pbufs we are losing as we do not appear
to be losing heap, and we are monitoring lwip_stats.pbuf.used -- which
is keeping track of the pool pbufs.
Are these only used for reception? I'm not very familiar with how they
are used in the stack, although I was just about to go investigate that ...
Yes they are only used in reception. What API are you using? The BSD
sockets-style API should always copy out the data and free up the pbuf. The
netconn API or raw API are different.
There are also possibilities of pbufs getting left around if incoming data
has arrived on a socket which you aren't reading from any more. You should
have a look at what connections you have still open.
Jifl
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- [lwip-users] Re: PBUF Leak Problems..., (continued)
- Re: [lwip-users] Re: PBUF Leak Problems..., Kieran Mansley, 2007/09/21
- [lwip-users] Re: PBUF Leak Problems..., Thomas Catalino, 2007/09/21
- Re: [lwip-users] Re: PBUF Leak Problems..., Kieran Mansley, 2007/09/21
- [lwip-users] Re: PBUF Leak Problems..., Thomas Catalino, 2007/09/21
- Re: [lwip-users] Re: PBUF Leak Problems..., Jonathan Larmour, 2007/09/21
- [lwip-users] RE: PBUF Leak Problems..., Ramanathan Ramadass, 2007/09/21
Re: [lwip-users] PBUF Leak Problems..., Thomas Catalino, 2007/09/19