K 10
svn:author
V 6
scottl
K 8
svn:date
V 27
2017-02-28T18:25:06.615883Z
K 7
svn:log
V 499
Implement sbuf_prf(), which takes an sbuf and outputs it
to stdout in the non-kernel case and to the console+log
in the kernel case.  For the kernel case it hooks the
putbuf() machinery underneath printf(9) so that the buffer
is written completely atomically and without a copy into
another temporary buffer.  This is useful for fixing
compound console/log messages that become broken and
interleaved when multiple threads are competing for the
console.

Reviewed by:	ken, imp
Sponsored by:	Netflix

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