Quoting Tim Kientzle <kientzle_at_freebsd.org> (Fri, 28 Nov 2008 11:57:02 -0800): > >> SDT_PROBE(foobar, source_file1, foo, entry, a, b, 0, 0, 0); > >> > >> Here: why are the last three arguments zeroes? > > > > SDT_PROBE() is a macro with a fixed number of macros, so we have to > > fill with 0 in case we don't want to provide some data. Maybe there's a > > way to provide more arguments if you do it by hand instead of using the > > SDT_PROBE() macro (TODO item added in the wiki to have a look at this, > > feel free to improve the wiki page). > > Seems that SDT_PROBE() should be using C99s "variadic macro" > feature. You should talk with jb_at_ about this, I just make us of what is there. Bye, Alexander. -- http://www.Leidinger.net Alexander _at_ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild _at_ FreeBSD.org : PGP ID = 72077137Received on Sat Nov 29 2008 - 16:45:34 UTC
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