on 18/01/2014 23:21 Sergey Kandaurov said the following:
> Author: pluknet
> Date: Sat Jan 18 21:21:44 2014
> New Revision: 260862
> URL: http://svnweb.freebsd.org/changeset/base/260862
>
> Log:
> MFC r250816:
>
> Protect SDT_PROBE() with do { } while (0) loop.
Thanks a lot!
> Modified:
> stable/9/sys/sys/sdt.h
> Directory Properties:
> stable/9/sys/ (props changed)
> stable/9/sys/sys/ (props changed)
>
> Modified: stable/9/sys/sys/sdt.h
> ==============================================================================
> --- stable/9/sys/sys/sdt.h Sat Jan 18 20:54:55 2014 (r260861)
> +++ stable/9/sys/sys/sdt.h Sat Jan 18 21:21:44 2014 (r260862)
> @@ -136,11 +136,12 @@ SET_DECLARE(sdt_argtypes_set, struct sdt
> #define SDT_PROBE_DECLARE(prov, mod, func, name)
> \
> extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1]
>
> -#define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
> \
> +#define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
> do { \
> if (sdt_##prov##_##mod##_##func##_##name->id)
> \
> (*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id,
> \
> (uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2,
> \
> - (uintptr_t) arg3, (uintptr_t) arg4)
> + (uintptr_t) arg3, (uintptr_t) arg4);
> \
> +} while (0)
>
> #define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type)
> \
> static struct sdt_argtype sdt_##prov##_##mod##_##func##_##name##num[1]
> \
>
--
Andriy Gapon
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