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Open Source and information security mailing list archives
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Date: Mon, 11 May 2020 14:10:53 +0200 From: Pablo Neira Ayuso <pablo@...filter.org> To: Maciej Żenczykowski <zenczykowski@...il.com> Cc: Maciej Żenczykowski <maze@...gle.com>, Florian Westphal <fw@...len.de>, Linux Network Development Mailing List <netdev@...r.kernel.org>, Netfilter Development Mailing List <netfilter-devel@...r.kernel.org> Subject: Re: [PATCH] iptables: flush stdout after every verbose log. On Tue, Apr 21, 2020 at 01:15:42AM -0700, Maciej Żenczykowski wrote: > From: Maciej Żenczykowski <maze@...gle.com> > > Ensures that each logged line is flushed to stdout after it's > written, and not held in any buffer. > > Places to modify found via: > git grep -C5 'fputs[(]buffer, stdout[)];' > > On Android iptables-restore -v is run as netd daemon's child process > and fed actions via pipe. '#PING' is used to verify the child > is still responsive, and thus needs to be unbuffered. > > Luckily if you're running iptables-restore in verbose mode you > probably either don't care about performance or - like Android > - actually need this. Applied, thanks for explaning.
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