TUNABLE_INT question
John Baldwin
jhb at freebsd.org
Tue Feb 17 14:23:23 PST 2009
On Friday 13 February 2009 5:16:07 pm Roman Divacky wrote:
> On Fri, Feb 13, 2009 at 03:55:44PM -0500, Ryan Stone wrote:
> > __FILE__ is a string so you can't concat that with anything to produce an
> > identifier. In any case, the variable is static so there can't be any
> > collision problems with other files.
>
> I was talking about the SYSINIT parameter. thats a section in a .o
> file, and I am getting collisions there...
Hmm, are you doing something like this:
#define FOO(string) \
TUNABLE_INT(string ## ".bar", &bar); \
TUNABLE_INT(string ## ".foo", &foo); \
FOO(baz)
That would collide as both of the TUNABLE_INT() invocations would have the
same __LINE__ (the line number of the 'FOO(baz)').
--
John Baldwin
More information about the freebsd-hackers
mailing list