On Tue, Jun 25, 2013 at 06:44:15PM +0000 I heard the voice of
John Baldwin, and lo! it spake thus:
> Author: jhb
> Date: Tue Jun 25 18:44:15 2013
> New Revision: 252209
> URL: http://svnweb.freebsd.org/changeset/base/252209
>
> Log:
> Several improvements to rmlock(9). Many of these are based on patches
> provided by Isilon.
This breaks the kernel build with INVARIANT_SUPPORT but not
INVARIANTS:
/usr/src/sys/kern/kern_rmlock.c:714:1: error: expected identifier or '('
Presumably, because:
> +#ifndef INVARIANTS
> +#define _rm_assert(c, what, file, line)
> +#endif
thus #define's, but then later
> +#ifdef INVARIANT_SUPPORT
> +/*
> + * Note that this does not need to use witness_assert() for read lock
> + * assertions since an exact count of read locks held by this thread
> + * is computable.
> + */
> +void
> +_rm_assert(const struct rmlock *rm, int what, const char *file, int line)
tries to make a function but the preprocessor has already munged it
up.
--
Matthew Fuller (MF4839) | fulle...@over-yonder.net
Systems/Network Administrator | http://www.over-yonder.net/~fullermd/
On the Internet, nobody can hear you scream.
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